temp

.gitignore

@@ -2,4 +2,7 @@
 .idea
 .vscode
 .DS_Store
-
+.env
+conf.toml
+config.toml
+.fleet\

Cargo.toml

@@ -4,5 +4,31 @@ version = "0.1.0"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+[workspace]
+members = [".", "migration"]
 
 [dependencies]
+axum = { version = "0.8" }
+axum-extra = {version = "0.10", features = ["typed-header", "typed-routing"] }
+axum-macros = "0.5"
+sea-orm = { version = "1.1.16", features = [
+    "sqlx-postgres",
+    "runtime-tokio-rustls",
+    "macros",
+    "chrono",
+] }
+serde = { version = "1", features = ["derive"] }
+serde_json = "1.0.140"
+tokio = { version = "1.0", features = ["full"] }
+tracing = "0.1"
+tracing-subscriber = { version = "0.3", features = ["env-filter"] }
+dotenvy = "0.15.7"
+toml = "0.9.7"
+clap = { version = "4.0", features = ["derive"] }
+pbkdf2 = { version = "0.12", features = ["simple"] }
+rand_core = { version = "0.9.3", features = ["std"] }
+jsonwebtoken = "9"
+once_cell = "1.21.3"
+tower-http = {version= "0.6", features = ["trace", "cors"] }
+tower = "0.5.2"
+rand = "0.9.2"

migration/Cargo.toml

@@ -0,0 +1,22 @@
+[package]
+name = "migration"
+version = "0.1.0"
+edition = "2021"
+publish = false
+
+[lib]
+name = "migration"
+path = "src/lib.rs"
+
+[dependencies]
+async-std = { version = "1", features = ["attributes", "tokio1"] }
+
+[dependencies.sea-orm-migration]
+version = "1.1.12"
+features = [
+  # Enable at least one `ASYNC_RUNTIME` and `DATABASE_DRIVER` feature if you want to run migration via CLI.
+  # View the list of supported features at https://www.sea-ql.org/SeaORM/docs/install-and-config/database-and-async-runtime.
+  # e.g.
+  "runtime-tokio-rustls",  # `ASYNC_RUNTIME` feature
+  "sqlx-postgres",         # `DATABASE_DRIVER` feature
+]

migration/README.md

@@ -0,0 +1,41 @@
+# Running Migrator CLI
+
+- Generate a new migration file
+    ```sh
+    cargo run -- generate MIGRATION_NAME
+    ```
+- Apply all pending migrations
+    ```sh
+    cargo run
+    ```
+    ```sh
+    cargo run -- up
+    ```
+- Apply first 10 pending migrations
+    ```sh
+    cargo run -- up -n 10
+    ```
+- Rollback last applied migrations
+    ```sh
+    cargo run -- down
+    ```
+- Rollback last 10 applied migrations
+    ```sh
+    cargo run -- down -n 10
+    ```
+- Drop all tables from the database, then reapply all migrations
+    ```sh
+    cargo run -- fresh
+    ```
+- Rollback all applied migrations, then reapply all migrations
+    ```sh
+    cargo run -- refresh
+    ```
+- Rollback all applied migrations
+    ```sh
+    cargo run -- reset
+    ```
+- Check the status of all migrations
+    ```sh
+    cargo run -- status
+    ```

migration/src/lib.rs

@@ -0,0 +1,24 @@
+pub use sea_orm_migration::prelude::*;
+
+mod m20250525_000001_create_ledger_table_category;
+mod m20250525_000002_create_ledger_table_book;
+mod m20250525_000003_create_ledger_table_tag;
+mod m20250525_000004_create_ledger_table_account;
+mod m20250525_000005_create_ledger_table_transaction;
+mod m20250921_000001_create_ledger_table_transaction_tag_rel;
+
+pub struct Migrator;
+
+#[async_trait::async_trait]
+impl MigratorTrait for Migrator {
+    fn migrations() -> Vec<Box<dyn MigrationTrait>> {
+        vec![
+            Box::new(m20250525_000001_create_ledger_table_category::Migration),
+            Box::new(m20250525_000002_create_ledger_table_book::Migration),
+            Box::new(m20250525_000003_create_ledger_table_tag::Migration),
+            Box::new(m20250525_000004_create_ledger_table_account::Migration),
+            Box::new(m20250525_000005_create_ledger_table_transaction::Migration),
+            Box::new(m20250921_000001_create_ledger_table_transaction_tag_rel::Migration),
+        ]
+    }
+}

migration/src/m20250525_000001_create_ledger_table_category.rs

@@ -0,0 +1,64 @@
+use sea_orm_migration::prelude::*;
+
+pub struct Migration;
+
+impl MigrationName for Migration {
+    fn name(&self) -> &str {
+        "m20250525_000001_create_ledger_table_category" // Make sure this matches with the file name
+    }
+}
+
+#[async_trait::async_trait]
+impl MigrationTrait for Migration {
+    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        manager
+            .create_table(
+                Table::create()
+                    .table(Category::Table)
+                    .col(
+                        ColumnDef::new(Category::Id)
+                            .big_integer()
+                            .not_null()
+                            .auto_increment()
+                            .primary_key(),
+                    )
+                    .col(ColumnDef::new(Category::Name).string().not_null())
+                    .col(ColumnDef::new(Category::Uid).big_integer().not_null())
+                    .col(ColumnDef::new(Category::ParentId).big_integer().default(0i64).not_null())
+                    .col(ColumnDef::new(Category::IsDeleted).boolean().default(false).not_null())
+                    .col(
+                        ColumnDef::new(Category::CreatedAt)
+                            .date_time()
+                            .default(Expr::current_timestamp())
+                            .not_null(),
+                    )
+                    .col(
+                        ColumnDef::new(Category::UpdatedAt)
+                            .date_time()
+                            .default(Expr::current_timestamp())
+                            .not_null(),
+                    )
+                    .to_owned(),
+            )
+            .await
+    }
+
+    // Define how to rollback this migration: Drop the Bakery table.
+    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        manager
+            .drop_table(Table::drop().table(Category::Table).to_owned())
+            .await
+    }
+}
+
+#[derive(Iden)]
+pub enum Category {
+    Table,
+    Id,
+    Name,
+    Uid,
+    ParentId,
+    IsDeleted,
+    CreatedAt,
+    UpdatedAt,
+}

migration/src/m20250525_000002_create_ledger_table_book.rs

@@ -0,0 +1,63 @@
+use sea_orm_migration::prelude::*;
+
+pub struct Migration;
+
+impl MigrationName for Migration {
+    fn name(&self) -> &str {
+        "m20250525_000002_create_ledger_table_book" // Make sure this matches with the file name
+    }
+}
+
+#[async_trait::async_trait]
+impl MigrationTrait for Migration {
+    // Define how to apply this migration
+    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        manager
+            .create_table(
+                Table::create()
+                    .table(Book::Table)
+                    .col(
+                        ColumnDef::new(Book::Id)
+                            .big_integer()
+                            .not_null()
+                            .auto_increment()
+                            .primary_key(),
+                    )
+                    .col(ColumnDef::new(Book::Name).string().not_null())
+                    .col(ColumnDef::new(Book::Uid).big_integer().not_null())
+                    .col(ColumnDef::new(Book::IsDeleted).boolean().default(false).not_null())
+                    .col(
+                        ColumnDef::new(Book::CreatedAt)
+                            .date_time()
+                            .default(Expr::current_timestamp())
+                            .not_null(),
+                    )
+                    .col(
+                        ColumnDef::new(Book::UpdatedAt)
+                            .date_time()
+                            .default(Expr::current_timestamp())
+                            .not_null(),
+                    )
+                    .to_owned(),
+            )
+            .await
+    }
+
+    // Define how to rollback this migration: Drop the Bakery table.
+    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        manager
+            .drop_table(Table::drop().table(Book::Table).to_owned())
+            .await
+    }
+}
+
+#[derive(Iden)]
+pub enum Book {
+    Table,
+    Id,
+    Name,
+    Uid,
+    IsDeleted,
+    CreatedAt,
+    UpdatedAt,
+}

migration/src/m20250525_000003_create_ledger_table_tag.rs

@@ -0,0 +1,62 @@
+use sea_orm_migration::prelude::*;
+
+pub struct Migration;
+
+impl MigrationName for Migration {
+    fn name(&self) -> &str {
+        "m20250525_000001_create_ledger_table_tag" // Make sure this matches with the file name
+    }
+}
+
+#[async_trait::async_trait]
+impl MigrationTrait for Migration {
+    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        manager
+            .create_table(
+                Table::create()
+                    .table(Tag::Table)
+                    .col(
+                        ColumnDef::new(Tag::Id)
+                            .big_integer()
+                            .not_null()
+                            .auto_increment()
+                            .primary_key(),
+                    )
+                    .col(ColumnDef::new(Tag::Name).string().not_null())
+                    .col(ColumnDef::new(Tag::Uid).big_integer().not_null())
+                    .col(ColumnDef::new(Tag::IsDeleted).boolean().default(false).not_null())
+                    .col(
+                        ColumnDef::new(Tag::CreatedAt)
+                            .date_time()
+                            .default(Expr::current_timestamp())
+                            .not_null(),
+                    )
+                    .col(
+                        ColumnDef::new(Tag::UpdatedAt)
+                            .date_time()
+                            .default(Expr::current_timestamp())
+                            .not_null(),
+                    )
+                    .to_owned(),
+            )
+            .await
+    }
+
+    // Define how to rollback this migration: Drop the Bakery table.
+    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        manager
+            .drop_table(Table::drop().table(Tag::Table).to_owned())
+            .await
+    }
+}
+
+#[derive(Iden)]
+pub enum Tag {
+    Table,
+    Id,
+    Name,
+    Uid,
+    IsDeleted,
+    CreatedAt,
+    UpdatedAt,
+}

migration/src/m20250525_000004_create_ledger_table_account.rs

@@ -0,0 +1,64 @@
+use sea_orm_migration::prelude::*;
+
+pub struct Migration;
+
+impl MigrationName for Migration {
+    fn name(&self) -> &str {
+        "m20250525_000004_create_ledger_table_account" // Make sure this matches with the file name
+    }
+}
+
+#[async_trait::async_trait]
+impl MigrationTrait for Migration {
+    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        manager
+            .create_table(
+                Table::create()
+                    .table(Account::Table)
+                    .col(
+                        ColumnDef::new(Account::Id)
+                            .big_integer()
+                            .not_null()
+                            .auto_increment()
+                            .primary_key(),
+                    )
+                    .col(ColumnDef::new(Account::Name).string().not_null())
+                    .col(ColumnDef::new(Account::Type).integer().not_null())
+                    .col(ColumnDef::new(Account::Uid).big_integer().not_null())
+                    .col(ColumnDef::new(Account::IsDeleted).boolean().default(false).not_null())
+                    .col(
+                        ColumnDef::new(Account::CreatedAt)
+                            .date_time()
+                            .default(Expr::current_timestamp())
+                            .not_null(),
+                    )
+                    .col(
+                        ColumnDef::new(Account::UpdatedAt)
+                            .date_time()
+                            .default(Expr::current_timestamp())
+                            .not_null(),
+                    )
+                    .to_owned(),
+            )
+            .await
+    }
+
+    // Define how to rollback this migration: Drop the Bakery table.
+    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        manager
+            .drop_table(Table::drop().table(Account::Table).to_owned())
+            .await
+    }
+}
+
+#[derive(Iden)]
+pub enum Account {
+    Table,
+    Id,
+    Name,
+    Uid,
+    Type,
+    IsDeleted,
+    CreatedAt,
+    UpdatedAt,
+}

migration/src/m20250525_000005_create_ledger_table_transaction.rs

@@ -0,0 +1,84 @@
+use sea_orm_migration::prelude::*;
+
+pub struct Migration;
+
+impl MigrationName for Migration {
+    fn name(&self) -> &str {
+        "m20250525_000005_create_ledger_table_transaction" // Make sure this matches with the file name
+    }
+}
+
+#[async_trait::async_trait]
+impl MigrationTrait for Migration {
+    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        manager
+            .create_table(
+                Table::create()
+                    .table(Transaction::Table)
+                    .col(
+                        ColumnDef::new(Transaction::Id)
+                            .big_integer()
+                            .not_null()
+                            .auto_increment()
+                            .primary_key(),
+                    )
+                    .col(ColumnDef::new(Transaction::Uid).big_integer().not_null())
+                    .col(ColumnDef::new(Transaction::Type).integer().not_null())
+                    .col(ColumnDef::new(Transaction::BookId).big_integer().not_null())
+                    .col(
+                        ColumnDef::new(Transaction::CategoryId)
+                            .big_integer()
+                            .not_null(),
+                    )
+                    .col(ColumnDef::new(Transaction::Description).string().not_null())
+                    .col(
+                        ColumnDef::new(Transaction::TransactionTime)
+                            .timestamp_with_time_zone()
+                            .default(Expr::current_timestamp())
+                            .not_null(),
+                    )
+                    .col(
+                        ColumnDef::new(Transaction::IsDeleted)
+                            .boolean()
+                            .default(false)
+                            .not_null(),
+                    )
+                    .col(
+                        ColumnDef::new(Transaction::CreatedAt)
+                            .date_time()
+                            .default(Expr::current_timestamp())
+                            .not_null(),
+                    )
+                    .col(
+                        ColumnDef::new(Transaction::UpdatedAt)
+                            .date_time()
+                            .default(Expr::current_timestamp())
+                            .not_null(),
+                    )
+                    .to_owned(),
+            )
+            .await
+    }
+
+    // Define how to rollback this migration: Drop the Bakery table.
+    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        manager
+            .drop_table(Table::drop().table(Transaction::Table).to_owned())
+            .await
+    }
+}
+
+#[derive(Iden)]
+pub enum Transaction {
+    Table,
+    Id,
+    Uid,
+    Type,
+    BookId,
+    CategoryId,
+    Description,
+    TransactionTime,
+    IsDeleted,
+    CreatedAt,
+    UpdatedAt,
+}

migration/src/m20250921_000001_create_ledger_table_transaction_tag_rel.rs

@@ -0,0 +1,71 @@
+use crate::sea_query;
+use sea_orm_migration::{MigrationName, MigrationTrait, SchemaManager};
+use crate::{async_trait, ColumnDef, DbErr, Expr, Iden, Table};
+
+pub struct Migration;
+
+impl MigrationName for crate::m20250921_000001_create_ledger_table_transaction_tag_rel::Migration {
+    fn name(&self) -> &str {
+        "m20250921_000001_create_ledger_table_transaction_tag_rel" // Make sure this matches with the file name
+    }
+}
+
+#[async_trait::async_trait]
+impl MigrationTrait for crate::m20250921_000001_create_ledger_table_transaction_tag_rel::Migration {
+    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        manager
+            .create_table(
+                Table::create()
+                    .table(crate::m20250921_000001_create_ledger_table_transaction_tag_rel::TransactionTagRel::Table)
+                    .col(
+                        ColumnDef::new(crate::m20250921_000001_create_ledger_table_transaction_tag_rel::TransactionTagRel::Id)
+                            .big_integer()
+                            .not_null()
+                            .auto_increment()
+                            .primary_key(),
+                    )
+                    .col(ColumnDef::new(crate::m20250921_000001_create_ledger_table_transaction_tag_rel::TransactionTagRel::Uid).big_integer().not_null())
+                    .col(ColumnDef::new(crate::m20250921_000001_create_ledger_table_transaction_tag_rel::TransactionTagRel::TransactionId).big_integer().not_null())
+                    .col(ColumnDef::new(crate::m20250921_000001_create_ledger_table_transaction_tag_rel::TransactionTagRel::TagId).big_integer().not_null())
+                    .col(
+                        ColumnDef::new(crate::m20250921_000001_create_ledger_table_transaction_tag_rel::TransactionTagRel::IsDeleted)
+                            .boolean()
+                            .default(false)
+                            .not_null(),
+                    )
+                    .col(
+                        ColumnDef::new(crate::m20250921_000001_create_ledger_table_transaction_tag_rel::TransactionTagRel::CreatedAt)
+                            .date_time()
+                            .default(Expr::current_timestamp())
+                            .not_null(),
+                    )
+                    .col(
+                        ColumnDef::new(crate::m20250921_000001_create_ledger_table_transaction_tag_rel::TransactionTagRel::UpdatedAt)
+                            .date_time()
+                            .default(Expr::current_timestamp())
+                            .not_null(),
+                    )
+                    .to_owned(),
+            )
+            .await
+    }
+
+    // Define how to rollback this migration: Drop the Bakery table.
+    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        manager
+            .drop_table(Table::drop().table(crate::m20250921_000001_create_ledger_table_transaction_tag_rel::TransactionTagRel::Table).to_owned())
+            .await
+    }
+}
+
+#[derive(Iden)]
+pub enum TransactionTagRel {
+    Table,
+    Id,
+    Uid,
+    TransactionId,
+    TagId,
+    IsDeleted,
+    CreatedAt,
+    UpdatedAt,
+}

migration/src/main.rs

@@ -0,0 +1,6 @@
+use sea_orm_migration::prelude::*;
+
+#[async_std::main]
+async fn main() {
+    cli::run_cli(migration::Migrator).await;
+}

src/api/account.rs

@@ -0,0 +1,62 @@
+use crate::middleware::auth::Claims;
+use crate::model::db::account::{
+    ActiveModel as AccountActiveModel, Column as AccountColumn, Model as AccountModel,
+};
+use crate::model::db::prelude::Account as AccountPrelude;
+use crate::model::http_body::account::{AccountReq, AccountResp};
+use crate::model::http_body::common::SimpleResponse;
+use crate::AppState;
+use axum::extract::{Path, State};
+use axum::http::StatusCode;
+use axum::routing::{get, post};
+use axum::{Json, Router};
+use sea_orm::sqlx::types::chrono::Local;
+use sea_orm::{ActiveModelTrait, DbErr, Iden, Set};
+
+pub fn get_nest_handlers() -> Router<crate::AppState> {
+    Router::new()
+        .route("/{id}/update", post(update_account_handler))
+        .route("/{id}", get(get_account_by_id_handler))
+        .route(
+            "/",
+            post(create_account_handler).get(get_all_accounts_handler),
+        )
+}
+
+async fn update_account_handler(
+    Path(id): Path<i64>,
+    state: State<AppState>,
+    claims: Claims,
+    Json(payload): Json<AccountReq>,
+) -> Result<Json<SimpleResponse>, (StatusCode, String)> {
+    let uid: i64 = claims.uid.clone();
+    let mut active_model: AccountActiveModel = AccountPrelude::find_by_id(id)
+        .filter(AccountColumn::Uid.eq(uid))
+        .filter(AccountColumn::IsDeleted.eq(false))
+        .one(&state.conn)
+        .await
+        .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    match payload.name {
+        Some(n) => {
+            active_model.name = Set(n);
+        }
+        _ => {}
+    }
+
+    active_model.updated_at = Set(Local::now().naive_utc());
+
+    active_model.update(&state.conn).await
+        .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+
+    let resp = SimpleResponse{
+        code: 0,
+        message: "".to_string()
+    };
+    Ok(Json(resp))
+}
+
+async fn get_account_by_id_handler() {}
+
+async fn create_account_handler() {}
+
+async fn get_all_accounts_handler() {}

src/api/book.rs

@@ -0,0 +1,171 @@
+use axum::routing::{get, post};
+use axum::{
+    extract::{Path, State},
+    http::StatusCode,
+    Json, Router,
+};
+use axum_macros::debug_handler;
+
+use crate::middleware::auth::Claims;
+use crate::model::db::book::ActiveModel as BookActiveModel;
+use crate::model::db::book::Column as BookColumn;
+use crate::model::db::book::Model as BookModel;
+use crate::model::db::prelude::Book;
+use crate::model::http_body::book;
+use crate::model::http_body::book::{BookInfo, BookResp};
+use crate::model::http_body::common::SimpleResponse;
+use crate::AppState;
+use sea_orm::sqlx::types::chrono::Local;
+use sea_orm::{entity::*, query::*};
+use sea_orm::{ColumnTrait};
+
+pub fn get_nest_handlers() -> Router<crate::AppState> {
+    Router::new()
+        .route("/{id}/update",post(update_book_handler))
+        .route("/{id}",get(get_book_by_id_handler))
+        .route("/", post(create_book_handler).get(get_all_books_handler))
+}
+
+// handlers
+//
+#[debug_handler]
+async fn get_all_books_handler(
+    state: State<AppState>,
+    claims: Claims,
+) -> Result<Json<Vec<book::BookResp>>, (StatusCode, String)> {
+    let uid: i64 = claims.uid.clone();
+    let all_books = Book::find()
+        .filter(BookColumn::Uid.eq(uid))
+        .all(&state.conn)
+        .await
+        .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+
+    let mut books: Vec<BookResp> = Vec::new();
+    for b in all_books {
+        let book_resp = BookResp {
+            id: b.id.into(),
+            name: b.name,
+        };
+        books.push(book_resp);
+    }
+    Ok(Json(books))
+}
+
+#[debug_handler]
+async fn get_book_by_id_handler(
+    Path(id): Path<i64>,
+    state: State<AppState>,
+    claims: Claims,
+) -> Result<Json<BookResp>, (StatusCode, String)> {
+    let uid: i64 = claims.uid.clone();
+    let book_query = Book::find()
+        .filter(BookColumn::Uid.eq(uid))
+        .filter(BookColumn::Id.eq(id))
+        .one(&state.conn)
+        .await
+        .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+
+    let book_resp: BookResp;
+    match book_query {
+        Some(b) => {
+            book_resp = BookResp {
+                id: b.id.into(),
+                name: b.name,
+            };
+        }
+        _ => {
+            return Err((StatusCode::NOT_FOUND, "not_found".to_string()));
+        }
+    }
+    Ok(Json(book_resp))
+}
+
+#[debug_handler]
+async fn create_book_handler(
+    state: State<AppState>,
+    claims: Claims,
+    Json(payload): Json<BookInfo>,
+) -> Result<Json<SimpleResponse>, (StatusCode, String)> {
+    let uid: i64 = claims.uid.clone();
+
+    let book = BookActiveModel {
+        name: Set(payload.name.clone().to_owned()),
+        uid: Set(uid.to_owned()),
+        ..Default::default()
+    };
+
+    let res = Book::insert(book).exec(&state.conn).await;
+    let mut err_code: i64 = 0;
+    let mut msg: String;
+    match res {
+        Ok(_) => {
+            err_code = 0;
+            msg = "ok".to_owned();
+        }
+        Err(e) => {
+            err_code = 0;
+            msg = e.to_string();
+        }
+    }
+
+    let resp = SimpleResponse {
+        code: err_code,
+        message: msg,
+    };
+
+    Ok(Json(resp))
+}
+
+#[debug_handler]
+async fn update_book_handler(
+    Path(id): Path<i64>,
+    state: State<AppState>,
+    claims: Claims,
+    Json(payload): Json<BookInfo>,
+) -> Result<Json<SimpleResponse>, (StatusCode, String)> {
+    let uid: i64 = claims.uid.clone();
+
+    let exist_book = Book::find()
+        .filter(BookColumn::Uid.eq(uid))
+        .filter(BookColumn::Id.eq(id))
+        .one(&state.conn)
+        .await;
+    let book: BookModel;
+    let mut resp = SimpleResponse {
+        code: 0,
+        message: "ok".to_owned(),
+    };
+    match exist_book {
+        Ok(b) => match b {
+            Some(bk) => {
+                book = bk;
+            }
+            _ => return Err((StatusCode::NOT_FOUND, "not_found".to_string())),
+        },
+        Err(_) => {
+            resp.code = 1;
+            return Err((
+                StatusCode::INTERNAL_SERVER_ERROR,
+                "connection_error".to_string(),
+            ));
+        }
+    }
+
+    let mut book_active_model: BookActiveModel = book.into();
+    book_active_model.name = Set(payload.name.clone());
+    book_active_model.updated_at = Set(Local::now().naive_utc());
+    let update_res = book_active_model.update(&state.conn).await;
+    match update_res {
+        Ok(_) => {
+            resp.code = 0;
+            resp.message = "ok".to_owned();
+        }
+        Err(_) => {
+            return Err((
+                StatusCode::INTERNAL_SERVER_ERROR,
+                "book_update_fail".to_string(),
+            ));
+        }
+    }
+    Ok(Json(resp))
+}

src/api/book_test.rs

@@ -0,0 +1,198 @@
+// #[cfg(test)]
+// mod tests {
+//     use super::*;
+//     use axum::{
+//         http::{Request, StatusCode},
+//         Router,
+//         routing::{get, put},
+//         body::Body,
+//     };
+//     use sea_orm::{
+//         MockDatabase, MockExecResult, DatabaseConnection, DatabaseTransaction,
+//         entity::prelude::*,
+//         QueryFilter, Condition, DbErr, EntityTrait,
+//     };
+//     use serde_json::{json, Value};
+//     use tower::ServiceExt;
+//     use std::sync::Arc;
+//
+//     // 模拟 Book 实体
+//     #[derive(Clone, Debug, PartialEq, DeriveEntityModel)]
+//     #[sea_orm(table_name = "books")]
+//     pub struct Model {
+//         #[sea_orm(primary_key)]
+//         pub id: i32,
+//         pub title: String,
+//         pub author: String,
+//     }
+//
+//     #[derive(Copy, Clone, Debug, EnumIter)]
+//     pub enum Relation {}
+//
+//     impl Related<super::book::Entity> for Entity {
+//         fn to() -> RelationDef {
+//             panic!("No relations defined")
+//         }
+//     }
+//
+//     // 创建测试用的 Router
+//     async fn setup_router(db: DatabaseConnection) -> Router {
+//         Router::new()
+//             .route("/books/:id", get(get_book_by_id).put(update_book_by_id))
+//             .route("/books", get(get_all_book))
+//             .with_state(Arc::new(db))
+//     }
+//
+//     // 测试 get_book_by_id
+//     #[tokio::test]
+//     async fn test_get_book_by_id() {
+//         // 设置模拟数据库
+//         let db = MockDatabase::new(DatabaseBackend::Postgres)
+//             .append_query_results(vec![vec![Model {
+//                 id: 1,
+//                 title: "Test Book".to_string(),
+//                 author: "Test Author".to_string(),
+//             }]])
+//             .into_connection();
+//
+//         let app = setup_router(db).await;
+//
+//         // 构造请求
+//         let request = Request::builder()
+//             .uri("/books/1")
+//             .method("GET")
+//             .body(Body::empty())
+//             .unwrap();
+//
+//         // 发送请求
+//         let response = app.oneshot(request).await.unwrap();
+//         assert_eq!(response.status(), StatusCode::OK);
+//
+//         // 解析响应
+//         let body = hyper::body::to_bytes(response.into_body()).await.unwrap();
+//         let body: Value = serde_json::from_slice(&body).unwrap();
+//         assert_eq!(
+//             body,
+//             json!({
+//                 "id": 1,
+//                 "title": "Test Book",
+//                 "author": "Test Author"
+//             })
+//         );
+//     }
+//
+//     // 测试 get_book_by_id 未找到
+//     #[tokio::test]
+//     async fn test_get_book_by_id_not_found() {
+//         let db = MockDatabase::new(DatabaseBackend::Postgres)
+//             .append_query_results(vec![vec![] as Vec<Model>])
+//             .into_connection();
+//
+//         let app = setup_router(db).await;
+//
+//         let request = Request::builder()
+//             .uri("/books/999")
+//             .method("GET")
+//             .body(Body::empty())
+//             .unwrap();
+//
+//         let response = app.oneshot(request).await.unwrap();
+//         assert_eq!(response.status(), StatusCode::NOT_FOUND);
+//     }
+//
+//     // 测试 update_book_by_id
+//     #[tokio::test]
+//     async fn test_update_book_by_id() {
+//         let db = MockDatabase::new(DatabaseBackend::Postgres)
+//             .append_query_results(vec![vec![Model {
+//                 id: 1,
+//                 title: "Updated Book".to_string(),
+//                 author: "Updated Author".to_string(),
+//             }]])
+//             .append_exec_results(vec![MockExecResult {
+//                 last_insert_id: 1,
+//                 rows_affected: 1,
+//             }])
+//             .into_connection();
+//
+//         let app = setup_router(db).await;
+//
+//         // 构造请求
+//         let request = Request::builder()
+//             .uri("/books/1")
+//             .method("PUT")
+//             .header("Content-Type", "application/json")
+//             .body(Body::from(
+//                 json!({
+//                     "title": "Updated Book",
+//                     "author": "Updated Author"
+//                 })
+//                     .to_string(),
+//             ))
+//             .unwrap();
+//
+//         // 发送请求
+//         let response = app.oneshot(request).await.unwrap();
+//         assert_eq!(response.status(), StatusCode::OK);
+//
+//         // 解析响应
+//         let body = hyper::body::to_bytes(response.into_body()).await.unwrap();
+//         let body: Value = serde_json::from_slice(&body).unwrap();
+//         assert_eq!(
+//             body,
+//             json!({
+//                 "id": 1,
+//                 "title": "Updated Book",
+//                 "author": "Updated Author"
+//             })
+//         );
+//     }
+//
+//     // 测试 get_all_book
+//     #[tokio::test]
+//     async fn test_get_all_book() {
+//         let db = MockDatabase::new(DatabaseBackend::Postgres)
+//             .append_query_results(vec![vec![
+//                 Model {
+//                     id: 1,
+//                     title: "Book 1".to_string(),
+//                     author: "Author 1".to_string(),
+//                 },
+//                 Model {
+//                     id: 2,
+//                     title: "Book 2".to_string(),
+//                     author: "Author 2".to_string(),
+//                 },
+//             ]])
+//             .into_connection();
+//
+//         let app = setup_router(db).await;
+//
+//         let request = Request::builder()
+//             .uri("/books")
+//             .method("GET")
+//             .body(Body::empty())
+//             .unwrap();
+//
+//         let response = app.oneshot(request).await.unwrap();
+//         assert_eq!(response.status(), StatusCode::OK);
+//
+//         let body = hyper::body::to_bytes(response.into_body()).await.unwrap();
+//         let body: Value = serde_json::from_slice(&body).unwrap();
+//         assert_eq!(
+//             body,
+//             json!([
+//                 {
+//                     "id": 1,
+//                     "title": "Book 1",
+//                     "author": "Author 1"
+//                 },
+//                 {
+//                     "id": 2,
+//                     "title": "Book 2",
+//                     "author": "Author 2"
+//                 }
+//             ])
+//         );
+//     }
+// }

src/api/category.rs

@@ -0,0 +1,217 @@
+use crate::api::category;
+use crate::middleware::auth::Claims;
+use crate::model::db::prelude::Category;
+use crate::model::db::{
+    category::ActiveModel as CategoryActiveModel, category::Column as CategoryColumn,
+    category::Model as CategoryModel,
+};
+use crate::model::http_body::category::CategoryInfo;
+use crate::model::http_body::common::{OptionalI64, SimpleResponse};
+use crate::AppState;
+use axum::extract::{Path, State};
+use axum::http::StatusCode;
+use axum::routing::{get, post};
+use axum::{Json, Router};
+use axum_macros::debug_handler;
+
+use sea_orm::sqlx::types::chrono::Local;
+use sea_orm::QueryFilter;
+use sea_orm::{entity::*, query::*};
+use tokio::join;
+
+pub fn get_nested_handlers() -> Router<crate::AppState> {
+    Router::new()
+        .route("/{id}/update", post(update_category_by_id))
+        .route("/{id}", get(get_category_by_id))
+        .route("/", post(create_category).get(get_all_categories))
+}
+
+#[debug_handler]
+async fn get_all_categories(
+    state: State<AppState>,
+    claims: Claims,
+) -> Result<Json<Vec<CategoryInfo>>, (StatusCode, String)> {
+    let uid = claims.uid.clone();
+    let categories_query = Category::find()
+        .filter(CategoryColumn::Uid.eq(uid))
+        .all(&state.conn)
+        .await;
+    let category_models = match categories_query {
+        Ok(categories) => categories,
+        Err(e) => return Err((StatusCode::INTERNAL_SERVER_ERROR, e.to_string())),
+    };
+    let mut category_resp: Vec<CategoryInfo> = Vec::new();
+    for category in category_models {
+        let category_info = CategoryInfo {
+            id: category.id.into(),
+            name: category.name,
+            parent_id: category.parent_id.into(),
+        };
+        category_resp.push(category_info);
+    }
+    Ok(Json(category_resp))
+}
+
+#[debug_handler]
+async fn create_category(
+    state: State<AppState>,
+    claims: Claims,
+    payload: Json<CategoryInfo>,
+) -> Result<Json<SimpleResponse>, (StatusCode, String)> {
+    let uid = claims.uid.clone();
+    let parent_id: i64 = match payload.parent_id {
+        OptionalI64(pid_opt) => pid_opt.unwrap_or_else(|| 0),
+    };
+    let category_active_model = CategoryActiveModel {
+        name: Set(payload.name.clone()),
+        uid: Set(uid),
+        parent_id: Set(parent_id),
+        ..Default::default()
+    };
+    let insert_res = Category::insert(category_active_model)
+        .exec(&state.conn)
+        .await;
+    match insert_res {
+        Ok(_) => Ok(Json(SimpleResponse {
+            code: 0,
+            message: "success".to_string(),
+        })),
+        Err(e) => Err((StatusCode::INTERNAL_SERVER_ERROR, e.to_string())),
+    }
+}
+
+#[debug_handler]
+async fn get_category_by_id(
+    Path(id): Path<i64>,
+    state: State<AppState>,
+    claims: Claims,
+) -> Result<Json<CategoryInfo>, (StatusCode, String)> {
+    let uid = claims.uid.clone();
+    let category_query_res = Category::find()
+        .filter(CategoryColumn::Uid.eq(uid))
+        .filter(CategoryColumn::Id.eq(id))
+        .one(&state.conn)
+        .await;
+    let category_query: CategoryModel = match category_query_res {
+        Ok(r) => match r {
+            Some(res) => res,
+            None => return Err((StatusCode::NOT_FOUND, "not found".to_string())),
+        },
+        Err(e) => return Err((StatusCode::INTERNAL_SERVER_ERROR, e.to_string())),
+    };
+    let category_resp = CategoryInfo {
+        id: category_query.id.into(),
+        name: category_query.name.clone(),
+        parent_id: category_query.parent_id.into(),
+    };
+    Ok(Json(category_resp))
+}
+
+#[debug_handler]
+async fn update_category_by_id(
+    Path(id): Path<i64>,
+    state: State<AppState>,
+    claims: Claims,
+    payload: Json<CategoryInfo>,
+) -> Result<Json<SimpleResponse>, (StatusCode, String)> {
+    let uid = claims.uid.clone();
+    let mut parent_category_required = false;
+    let mut parent_id: i64 = 0;
+    let category_query = Category::find()
+        .filter(CategoryColumn::Uid.eq(uid))
+        .filter(CategoryColumn::Id.eq(id))
+        .one(&state.conn);
+    let parent_query = match payload.parent_id {
+        OptionalI64(Some(cid)) => {
+            if cid > 0 {
+                parent_category_required = true;
+                parent_id = cid;
+                Some(
+                    Category::find()
+                        .filter(CategoryColumn::Uid.eq(uid))
+                        .filter(CategoryColumn::ParentId.eq(cid))
+                        .one(&state.conn),
+                )
+            } else {
+                None
+            }
+        }
+        OptionalI64(None) => None,
+    };
+
+    let (category_result, parent_result) = if let Some(parent_query) = parent_query {
+        // 并发执行两个查询
+        let (category, parent) = join!(category_query, parent_query);
+        // 处理查询结果
+        (
+            category.map_err(|e| {
+                (
+                    StatusCode::INTERNAL_SERVER_ERROR,
+                    format!("Database error: {}", e),
+                )
+            })?,
+            parent.map_err(|e| {
+                (
+                    StatusCode::INTERNAL_SERVER_ERROR,
+                    format!("Database error: {}", e),
+                )
+            })?,
+        )
+    } else {
+        // 只查询 category
+        (
+            category_query.await.map_err(|e| {
+                (
+                    StatusCode::INTERNAL_SERVER_ERROR,
+                    format!("Database error: {}", e),
+                )
+            })?,
+            None,
+        )
+    };
+
+    let category = match category_result {
+        Some(category) => {
+            category
+        }
+        None => {
+            return Err((StatusCode::NOT_FOUND, "Category not found".to_string()));
+        }
+    };
+    let parent_category_valid = match parent_result {
+        Some(_) => { true }
+        None => { false }
+    };
+
+    let mut resp = SimpleResponse {
+        code: 0,
+        message: "success".to_string(),
+    };
+    let mut category_active_model : CategoryActiveModel = category.into();
+    category_active_model.name = Set(payload.name.clone());
+    category_active_model.updated_at = Set(Local::now().naive_utc());
+    if parent_category_required && parent_id > 0 {
+        category_active_model.parent_id = Set(parent_id.into());
+    }
+
+    let update_res = category_active_model.update(&state.conn).await;
+        match update_res {
+        Ok(_) => {
+            resp.code = 0;
+            resp.message = "ok".to_owned();
+        }
+        Err(_) => {
+            return Err((
+                StatusCode::INTERNAL_SERVER_ERROR,
+                "category update failed".to_string(),
+            ));
+        }
+    }
+
+    if parent_category_required && !parent_category_valid {
+        resp.code = 1;
+        resp.message = "Parent category not found".to_string();
+        return Err((StatusCode::NOT_FOUND, "Parent category not found".to_string()));
+    }
+    Ok(Json(resp))
+}

src/api/mod.rs

@@ -0,0 +1,5 @@
+pub mod book;
+pub mod category;
+pub mod tag;
+pub mod transaction;
+pub mod account;

src/api/tag.rs

@@ -0,0 +1,170 @@
+use axum::routing::{get, post};
+use axum::{
+    extract::{Path, State},
+    http::StatusCode,
+    Json, Router,
+};
+use axum_macros::debug_handler;
+
+use crate::middleware::auth::Claims;
+use crate::model::db::tag::ActiveModel as TagActiveModel;
+use crate::model::db::tag::Column as TagColumn;
+use crate::model::db::tag::Model as TagModel;
+use crate::model::db::prelude::Tag;
+use crate::model::http_body::tag::{TagInfo, TagResp};
+use crate::model::http_body::common::SimpleResponse;
+use crate::AppState;
+use sea_orm::sqlx::types::chrono::Local;
+use sea_orm::{entity::*, query::*};
+use sea_orm::{ColumnTrait};
+
+pub fn get_nest_handlers() -> Router<crate::AppState> {
+    Router::new()
+        .route("/{id}/update",post(update_tag))
+        .route("/{id}",get(get_tag_by_id))
+        .route("/", post(create_tag).get(get_all_tags))
+}
+
+// handlers
+//
+#[debug_handler]
+async fn get_all_tags(
+    state: State<AppState>,
+    claims: Claims,
+) -> Result<Json<Vec<TagResp>>, (StatusCode, String)> {
+    let uid: i64 = claims.uid.clone();
+    let all_tags = Tag::find()
+        .filter(TagColumn::Uid.eq(uid))
+        .all(&state.conn)
+        .await
+        .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+
+    let mut tags: Vec<TagResp> = Vec::new();
+    for b in all_tags {
+        let tag_resp = TagResp {
+            id: b.id.into(),
+            name: b.name,
+        };
+        tags.push(tag_resp);
+    }
+    Ok(Json(tags))
+}
+
+#[debug_handler]
+async fn get_tag_by_id(
+    Path(id): Path<i64>,
+    state: State<AppState>,
+    claims: Claims,
+) -> Result<Json<TagResp>, (StatusCode, String)> {
+    let uid: i64 = claims.uid.clone();
+    let tag_query = Tag::find()
+        .filter(TagColumn::Uid.eq(uid))
+        .filter(TagColumn::Id.eq(id))
+        .one(&state.conn)
+        .await
+        .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+
+    let tag_resp: TagResp;
+    match tag_query {
+        Some(b) => {
+            tag_resp = TagResp {
+                id: b.id.into(),
+                name: b.name,
+            };
+        }
+        _ => {
+            return Err((StatusCode::NOT_FOUND, "not_found".to_string()));
+        }
+    }
+    Ok(Json(tag_resp))
+}
+
+#[debug_handler]
+async fn create_tag(
+    state: State<AppState>,
+    claims: Claims,
+    Json(payload): Json<TagInfo>,
+) -> Result<Json<SimpleResponse>, (StatusCode, String)> {
+    let uid: i64 = claims.uid.clone();
+
+    let tag = TagActiveModel {
+        name: Set(payload.name.clone().to_owned()),
+        uid: Set(uid.to_owned()),
+        ..Default::default()
+    };
+
+    let res = Tag::insert(tag).exec(&state.conn).await;
+    let mut err_code: i64 = 0;
+    let mut msg: String;
+    match res {
+        Ok(_) => {
+            err_code = 0;
+            msg = "ok".to_owned();
+        }
+        Err(e) => {
+            err_code = 0;
+            msg = e.to_string();
+        }
+    }
+
+    let resp = SimpleResponse {
+        code: err_code,
+        message: msg,
+    };
+
+    Ok(Json(resp))
+}
+
+#[debug_handler]
+async fn update_tag(
+    Path(id): Path<i64>,
+    state: State<AppState>,
+    claims: Claims,
+    Json(payload): Json<TagInfo>,
+) -> Result<Json<SimpleResponse>, (StatusCode, String)> {
+    let uid: i64 = claims.uid.clone();
+
+    let exist_tag = Tag::find()
+        .filter(TagColumn::Uid.eq(uid))
+        .filter(TagColumn::Id.eq(id))
+        .one(&state.conn)
+        .await;
+    let tag: TagModel;
+    let mut resp = SimpleResponse {
+        code: 0,
+        message: "ok".to_owned(),
+    };
+    match exist_tag {
+        Ok(b) => match b {
+            Some(bk) => {
+                tag = bk;
+            }
+            _ => return Err((StatusCode::NOT_FOUND, "not_found".to_string())),
+        },
+        Err(_) => {
+            resp.code = 1;
+            return Err((
+                StatusCode::INTERNAL_SERVER_ERROR,
+                "connection_error".to_string(),
+            ));
+        }
+    }
+
+    let mut tag_active_model: TagActiveModel = tag.into();
+    tag_active_model.name = Set(payload.name.clone());
+    tag_active_model.updated_at = Set(Local::now().naive_utc());
+    let update_res = tag_active_model.update(&state.conn).await;
+    match update_res {
+        Ok(_) => {
+            resp.code = 0;
+            resp.message = "ok".to_owned();
+        }
+        Err(_) => {
+            return Err((
+                StatusCode::INTERNAL_SERVER_ERROR,
+                "tag_update_fail".to_string(),
+            ));
+        }
+    }
+    Ok(Json(resp))
+}

src/api/transaction.rs

@@ -0,0 +1,217 @@
+use crate::middleware::auth::Claims;
+use crate::model::db::category::Column as CategoryColumn;
+use crate::model::db::prelude::Category as CategoryPrelude;
+use crate::model::db::prelude::Transaction;
+use crate::model::db::transaction::{
+    ActiveModel as TransactionActiveModel, Column as TransactionColumn, Model as TransactionModel,
+};
+use crate::model::http_body;
+use crate::model::http_body::book::BookInfo;
+use std::collections::HashMap;
+
+use crate::model::db::prelude::Tag as TagPrelude;
+use crate::model::db::tag::{
+    ActiveModel as TagActiveModel, Column as TagColumn, Model as TagModel,
+};
+use crate::model::http_body::category::CategoryResp;
+use crate::model::http_body::common::SimpleResponse;
+use crate::model::http_body::transaction::{TransactionReq, TransactionResp};
+use crate::AppState;
+use axum::extract::{Path, State};
+use axum::http::StatusCode;
+use axum::routing::{get, post};
+use axum::{Json, Router};
+use axum_macros::debug_handler;
+use sea_orm::sqlx::types::chrono::Local;
+use sea_orm::{ColumnTrait, DatabaseConnection};
+use sea_orm::QueryFilter;
+use sea_orm::{entity::*, query::*};
+use serde_json::error::Category;
+use std::ptr::null;
+
+pub fn get_nest_handlers() -> Router<crate::AppState> {
+    Router::new()
+        .route("/{id}/update", post(update_transaction_handler))
+        .route("/{id}", get(get_transaction_by_id_handler))
+        .route(
+            "/",
+            post(create_transaction_handler).get(get_all_transactions_handler),
+        )
+}
+
+async fn update_transaction_handler(
+    Path(id): Path<i64>,
+    state: State<AppState>,
+    claims: Claims,
+    Json(payload): Json<TransactionReq>,
+) -> Result<Json<SimpleResponse>, (StatusCode, String)> {
+    let uid: i64 = claims.uid;
+    let exist_transaction = Transaction::find()
+        .filter(TransactionColumn::Id.eq(id))
+        .filter(TransactionColumn::Uid.eq(uid))
+        .one(&state.conn)
+        .await;
+    let mut resp = SimpleResponse {
+        code: 0,
+        message: "".to_string(),
+    };
+    let transaction: TransactionModel;
+    match exist_transaction {
+        Err(_) => {
+            resp.code = 1;
+            return Err((
+                StatusCode::INTERNAL_SERVER_ERROR,
+                "connection_error".to_string(),
+            ));
+        }
+        Ok(tra) => match tra {
+            Some(tr) => {
+                transaction = tr;
+            }
+            _ => return Err((StatusCode::NOT_FOUND, "Transaction not found".to_string())),
+        },
+    }
+    let mut tr_active: TransactionActiveModel = transaction.into();
+    match payload.description {
+        None => {}
+        Some(input_desc) => {
+            tr_active.description = Set(input_desc);
+        }
+    }
+    // TODO category
+    let new_category_id: i64 = match payload.category_id {
+        None => {
+            return Err((
+                StatusCode::BAD_REQUEST,
+                "category_id is not valid".to_string(),
+            ))
+        }
+        Some(cid_string) => match cid_string.parse::<i64>() {
+            Ok(cid) => cid,
+            Err(_) => {
+                return Err((
+                    StatusCode::BAD_REQUEST,
+                    "category_id is not valid".to_string(),
+                ))
+            }
+        },
+    };
+    let new_category_id_exist = CategoryPrelude::find()
+        .filter(CategoryColumn::Id.eq(new_category_id))
+        .filter(CategoryColumn::Uid.eq(uid))
+        .all(&state.conn)
+        .await;
+    match new_category_id_exist {
+        Ok(_) => {}
+        Err(_) => {
+            return Err((StatusCode::NOT_FOUND, "category_id not found".to_string()));
+        }
+    }
+
+    // TODO tags
+    let tag_exist = check_tags_exist(&state.conn, payload.tags).await;
+    let all_tag_exist: bool;
+    match tag_exist {
+        Ok(tag_res) => {
+            all_tag_exist = tag_res.values().all(|&exists| exists);
+        }
+        Err(_) => {
+            return Err((StatusCode::NOT_FOUND, "tag not found".to_string()));
+        }
+    }
+    if !all_tag_exist {
+        return Err((StatusCode::NOT_FOUND, "tag not found".to_string()));
+    }
+
+    // TODO amounts
+
+    // Update
+    tr_active.updated_at = Set(Local::now().naive_utc());
+    let update_res = tr_active.update(&state.conn).await;
+    match update_res {
+        Ok(_) => {
+            resp.code = 0;
+        }
+        Err(_) => {
+            return Err((
+                StatusCode::INTERNAL_SERVER_ERROR,
+                "transaction_update_failed".to_string(),
+            ));
+        }
+    }
+
+    Ok(Json(resp))
+}
+
+async fn create_transaction_handler() {}
+
+async fn get_transaction_by_id_handler(
+    Path(id): Path<i64>,
+    state: State<AppState>,
+    claims: Claims,
+) -> Result<Json<TransactionResp>, (StatusCode, String)> {
+    let uid: i64 = claims.uid.clone();
+    let transaction_query = Transaction::find()
+        .filter(TransactionColumn::Uid.eq(id))
+        .filter(TransactionColumn::Id.eq(id))
+        .one(&state.conn)
+        .await
+        .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+
+    let response: TransactionResp;
+    match transaction_query {
+        None => {
+            return Err((StatusCode::NOT_FOUND, "Transaction not found".to_string()));
+        }
+        Some(x) => {
+            response = TransactionResp {
+                id: x.id,
+                description: x.description,
+                category: CategoryResp {
+                    id: 0,
+                    name: "".to_string(),
+                    parent_id: 0,
+                },
+                tags: vec![],
+            }
+        }
+    };
+
+    Ok(Json(response))
+}
+
+async fn get_all_transactions_handler() {}
+
+// 批量检查 TagModel 是否存在
+async fn check_tags_exist(
+    connection: &DatabaseConnection,
+    ids: Vec<String>,
+) -> Result<HashMap<i64, bool>, String> {
+    // 将 Vec<String> 转换为 Vec<i64>，并处理可能的转换错误
+    let ids_i64: Vec<i64> = ids
+        .into_iter()
+        .filter_map(|id| id.parse::<i64>().ok())
+        .collect();
+
+    if ids_i64.is_empty() {
+        return Ok(HashMap::new());
+    }
+
+    // 构建 IN 查询条件
+    let condition = Condition::any().add(TagColumn::Id.is_in(ids_i64.clone()));
+
+    // 执行批量查询，获取存在的 TagModel
+    let found_tags = TagPrelude::find()
+        .filter(condition)
+        .all(connection)
+        .await
+        .map_err(|e| format!("Database error: {}", e))?;
+
+    // 创建 HashMap 记录每个 ID 是否存在
+    let mut result = HashMap::new();
+    for id in ids_i64 {
+        result.insert(id, found_tags.iter().any(|tag| tag.id == id));
+    }
+
+    Ok(result)
+}

src/dal/mod.rs

@@ -0,0 +1 @@
+pub mod transaction;

src/dao/mod.rs

@@ -0,0 +1 @@
+pub mod transaction_tag_rel;

src/dao/transaction_tag_rel.rs

@@ -0,0 +1,130 @@
+use sea_orm::{DatabaseConnection, EntityTrait, ActiveModelTrait, Set, QueryFilter, ColumnTrait, DbErr};
+use sea_orm::sqlx::types::chrono::{Local};
+use crate::model::db::prelude::TransactionTagRel as TransactionTagRelPrelude;
+use crate::model::db::transaction_tag_rel::{
+    ActiveModel as TransactionTagRelActiveModel,
+    Model as TransactionTagRelModel,
+    Column as TransactionTagRelColumn,
+};
+
+// DAO struct for TransactionTagRel
+pub struct TransactionTagRelDAO {
+    db: DatabaseConnection,
+} 
+
+impl TransactionTagRelDAO {
+    // Constructor
+    pub fn new(db: DatabaseConnection) -> Self {
+        Self { db }
+    }
+
+    // Create a new TransactionTagRel
+    pub async fn create(
+        &self,
+        uid: i64,
+        transaction_id: i64,
+        tag_id: i64,
+    ) -> Result<TransactionTagRelModel, DbErr> {
+        let active_model = TransactionTagRelActiveModel {
+            uid: Set(uid),
+            transaction_id: Set(transaction_id),
+            tag_id: Set(tag_id),
+            is_deleted: Set(false),
+            // created_at: Set(Utc::now()),
+            // updated_at: Set(Utc::now()),
+            ..Default::default() // id is auto-incremented
+        };
+
+        active_model.insert(&self.db).await
+    }
+
+    // Find by ID
+    pub async fn find_by_id(&self, id: i64, uid:i64) -> Result<Option<TransactionTagRelModel>, DbErr> {
+        TransactionTagRelPrelude::find_by_id(id)
+            .filter(TransactionTagRelColumn::Uid.eq(uid))
+            .filter(TransactionTagRelColumn::IsDeleted.eq(false))
+            .one(&self.db)
+            .await
+    }
+
+    // Find all by transaction_id
+    pub async fn find_by_transaction_id(
+        &self,
+        transaction_id: i64,
+        uid: i64,
+    ) -> Result<Vec<TransactionTagRelModel>, DbErr> {
+        TransactionTagRelPrelude::find()
+            .filter(TransactionTagRelColumn::Uid.eq(uid))
+            .filter(TransactionTagRelColumn::TransactionId.eq(transaction_id))
+            .filter(TransactionTagRelColumn::IsDeleted.eq(false))
+            .all(&self.db)
+            .await
+    }
+
+    // Find all by tag_id
+    pub async fn find_by_tag_id(
+        &self,
+        tag_id: i64,
+        uid: i64,
+    ) -> Result<Vec<TransactionTagRelModel>, DbErr> {
+        TransactionTagRelPrelude::find()
+            .filter(TransactionTagRelColumn::Uid.eq(uid))
+            .filter(TransactionTagRelColumn::TagId.eq(tag_id))
+            .filter(TransactionTagRelColumn::IsDeleted.eq(false))
+            .all(&self.db)
+            .await
+    }
+
+    // Update a TransactionTagRel
+    pub async fn update(
+        &self,
+        id: i64,
+        uid: Option<i64>,
+        transaction_id: Option<i64>,
+        tag_id: Option<i64>,
+    ) -> Result<TransactionTagRelModel, DbErr> {
+        let mut active_model: TransactionTagRelActiveModel = TransactionTagRelPrelude::find_by_id(id)
+            .filter(TransactionTagRelColumn::Uid.eq(uid))
+            .filter(TransactionTagRelColumn::IsDeleted.eq(false))
+            .one(&self.db)
+            .await?
+            .ok_or(DbErr::RecordNotFound("TransactionTagRel not found".into()))?
+            .into();
+
+        if let Some(uid) = uid {
+            active_model.uid = Set(uid);
+        }
+        if let Some(transaction_id) = transaction_id {
+            active_model.transaction_id = Set(transaction_id);
+        }
+        if let Some(tag_id) = tag_id {
+            active_model.tag_id = Set(tag_id);
+        }
+        active_model.updated_at = Set(Local::now().naive_utc());
+
+        active_model.update(&self.db).await
+    }
+
+    // Soft delete (set is_deleted = true)
+    pub async fn soft_delete(&self, id: i64, uid: i64) -> Result<(), DbErr> {
+        let mut active_model: TransactionTagRelActiveModel = TransactionTagRelPrelude::find_by_id(id)
+            .filter(TransactionTagRelColumn::Uid.eq(uid))
+            .filter(TransactionTagRelColumn::IsDeleted.eq(false))
+            .one(&self.db)
+            .await?
+            .ok_or(DbErr::RecordNotFound("TransactionTagRel not found".into()))?
+            .into();
+
+        active_model.is_deleted = Set(true);
+        active_model.updated_at = Set(Local::now().naive_utc());
+        active_model.update(&self.db).await?;
+        Ok(())
+    }
+
+    // Hard delete (optional, use with caution)
+    pub async fn hard_delete(&self, id: i64, uid: i64) -> Result<(), DbErr> {
+        TransactionTagRelPrelude::delete_by_id(id)
+            .exec(&self.db).await?;
+        Ok(())
+    }
+}

src/main.rs

@@ -1,3 +1,146 @@
-fn main() {
-    println!("Hello, world!");
+use crate::middleware::auth;
+use axum::{http::Method, Router};
+use clap::Parser;
+use sea_orm::{Database, DatabaseConnection, Iden};
+use serde::{Deserialize, Serialize};
+use tower::ServiceBuilder;
+use tower_http::cors::{Any, CorsLayer};
+use tower_http::trace::TraceLayer;
+use tracing::info;
+use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt};
+
+// Project modules
+mod api;
+mod middleware;
+mod model;
+mod util;
+mod query;
+mod dao;
+mod dal;
+
+#[tokio::main]
+async fn main() {
+    // dotenvy::dotenv().unwrap();
+    // initialize tracing
+    tracing_subscriber::registry()
+        .with(tracing_subscriber::fmt::layer())
+        .init();
+    let cli = Cli::parse();
+    match cli.command {
+        Command::Serve { config_path } => {
+            if let Ok(config) = load_config(&config_path).await {
+                println!("Loaded config.");
+                println!("{},{}", config.service.host.clone(), config.service.port);
+                // Proceed with server initialization using `config`
+                start_server(&config).await;
+            } else {
+                eprintln!("Failed to load config from {}", config_path);
+            }
+        }
+        Command::PrintExampleConfig {}=>{
+            print_default_config().await;
+        }
+    }
 }
+
+#[derive(Clone)]
+struct AppState {
+    conn: DatabaseConnection,
+}
+
+#[derive(Deserialize,Serialize)]
+struct Key {
+    jwt: String,
+    user: String,
+}
+
+#[derive(Deserialize,Serialize)]
+struct DatabaseConf {
+    connection: String,
+}
+#[derive(Deserialize,Serialize)]
+struct ServiceConf {
+    host: String,
+    port: u32,
+}
+
+#[derive(Deserialize,Serialize)]
+struct Config {
+    service: ServiceConf,
+    database: DatabaseConf,
+    keys: Key,
+}
+
+#[derive(clap::Parser)]
+struct Cli {
+    #[command(subcommand)]
+    command: Command,
+}
+
+#[derive(clap::Subcommand)]
+enum Command {
+    Serve {
+        #[arg(long = "conf")]
+        config_path: String,
+    },
+    PrintExampleConfig {},
+}
+async fn load_config(path: &str) -> Result<Config, Box<dyn std::error::Error>> {
+    let content = tokio::fs::read_to_string(path).await?;
+    let config: Config = toml::from_str(&content)?;
+    Ok(config)
+}
+
+// ====== Commands ======
+
+// start http server
+async fn start_server(config: &Config) {
+    let conn = Database::connect(&config.database.connection)
+        .await
+        .expect("Database connection failed.");
+
+    auth::initialize_jwt_key(config.keys.jwt.clone());
+
+    let state = AppState { conn };
+    // Build router
+    let cors_layer = CorsLayer::new()
+        .allow_methods([Method::GET, Method::POST])
+        .allow_origin(Any);
+    let global_layer = ServiceBuilder::new()
+        .layer(TraceLayer::new_for_http())
+        .layer(cors_layer);
+
+    let app = Router::new()
+        .nest("/api/v1/book", api::book::get_nest_handlers())
+        .nest("/api/v1/category", api::category::get_nested_handlers())
+        .nest("/api/v1/tag", api::tag::get_nest_handlers())
+        .nest("/api/v1/transaction", api::transaction::get_nest_handlers())
+        .with_state(state)
+        .layer(global_layer);
+    let host = config.service.host.clone();
+    let port = config.service.port;
+    let server_url = format!("{host}:{port}");
+    let listener = tokio::net::TcpListener::bind(&server_url).await.unwrap();
+    axum::serve(listener, app)
+        .await
+        .expect("Service panic happened");
+}
+
+async fn print_default_config() {
+    let example_conf = Config{
+        service: ServiceConf {
+            host: "localhost".to_string(),
+            port: 8080,
+        },
+        database: DatabaseConf {
+            connection: "postgres://postgres:postgres@localhost/test_db".to_string(),
+        },
+        keys: Key {
+            jwt: "THIS_IS_TEST_CONFIG".to_string(),
+            user: "test_user".to_string(),
+        },
+    };
+    // 序列化为 TOML 字符串
+    let toml_string = toml::to_string(&example_conf);
+    println!("#This is an example config.\n{}", toml_string.unwrap());
+}

src/middleware/auth.rs

@@ -0,0 +1,120 @@
+use axum::{
+    extract::FromRequestParts,
+    http::{request::Parts, StatusCode},
+    response::{IntoResponse, Response},
+    Json, RequestPartsExt,
+};
+use axum_extra::{
+    headers::{authorization::Bearer, Authorization},
+    TypedHeader,
+};
+use jsonwebtoken::{decode, encode, DecodingKey, EncodingKey, Header, Validation};
+use serde::{Deserialize, Serialize};
+use serde_json::json;
+use std::fmt::Display;
+use std::sync::OnceLock;
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct Claims {
+    sub: String,
+    // company: String,
+    exp: usize,
+    pub uid: i64,
+}
+
+#[derive(Debug, Serialize)]
+struct AuthBody {
+    access_token: String,
+    token_type: String,
+}
+
+#[derive(Debug, Deserialize)]
+struct AuthPayload {
+    client_id: String,
+    client_secret: String,
+}
+
+#[derive(Debug)]
+pub enum AuthError {
+    WrongCredentials,
+    MissingCredentials,
+    TokenCreation,
+    InvalidToken,
+}
+
+static KEYS: OnceLock<Keys> = OnceLock::new();
+
+pub fn initialize_jwt_key(key_str: String) {
+    let res = KEYS.set(Keys::new(key_str.as_bytes()));
+    match res {
+        Ok(_) => {}
+        Err(_) => panic!("jwt key initialize failed"),
+    }
+}
+
+struct Keys {
+    encoding: EncodingKey,
+    decoding: DecodingKey,
+}
+
+impl Keys {
+    fn new(secret: &[u8]) -> Self {
+        Self {
+            encoding: EncodingKey::from_secret(secret),
+            decoding: DecodingKey::from_secret(secret),
+        }
+    }
+}
+
+impl Display for Claims {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "Email: {}", self.sub)
+    }
+}
+
+impl AuthBody {
+    fn new(access_token: String) -> Self {
+        Self {
+            access_token,
+            token_type: "Bearer".to_string(),
+        }
+    }
+}
+
+impl<S> FromRequestParts<S> for Claims
+where
+    S: Send + Sync,
+{
+    type Rejection = AuthError;
+
+    async fn from_request_parts(parts: &mut Parts, _state: &S) -> Result<Self, Self::Rejection> {
+        // Extract the token from the authorization header
+        let TypedHeader(Authorization(bearer)) = parts
+            .extract::<TypedHeader<Authorization<Bearer>>>()
+            .await
+            .map_err(|_| AuthError::InvalidToken)?;
+        // Decode the user data
+        let token_data = decode::<Claims>(
+            bearer.token(),
+            &KEYS.get().unwrap().decoding,
+            &Validation::default(),
+        )
+        .map_err(|_| AuthError::InvalidToken)?;
+
+        Ok(token_data.claims)
+    }
+}
+impl IntoResponse for AuthError {
+    fn into_response(self) -> Response {
+        let (status, error_message) = match self {
+            AuthError::WrongCredentials => (StatusCode::UNAUTHORIZED, "Wrong credentials"),
+            AuthError::MissingCredentials => (StatusCode::BAD_REQUEST, "Missing credentials"),
+            AuthError::TokenCreation => (StatusCode::INTERNAL_SERVER_ERROR, "Token creation error"),
+            AuthError::InvalidToken => (StatusCode::BAD_REQUEST, "Invalid token"),
+        };
+        let body = Json(json!({
+            "error": error_message,
+        }));
+        (status, body).into_response()
+    }
+}

src/middleware/mod.rs

@@ -0,0 +1 @@
+pub mod auth;

src/model/db/account.rs

@@ -0,0 +1,22 @@
+//! `SeaORM` Entity, @generated by sea-orm-codegen 1.1.16
+
+use sea_orm::entity::prelude::*;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Debug, PartialEq, DeriveEntityModel, Eq, Serialize, Deserialize)]
+#[sea_orm(table_name = "account")]
+pub struct Model {
+    #[sea_orm(primary_key)]
+    pub id: i64,
+    pub name: String,
+    pub account_type: i32,
+    pub uid: i64,
+    pub is_deleted: bool,
+    pub created_at: DateTime,
+    pub updated_at: DateTime,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
+pub enum Relation {}
+
+impl ActiveModelBehavior for ActiveModel {}

src/model/db/book.rs

@@ -0,0 +1,21 @@
+//! `SeaORM` Entity, @generated by sea-orm-codegen 1.1.16
+
+use sea_orm::entity::prelude::*;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Debug, PartialEq, DeriveEntityModel, Eq, Serialize, Deserialize)]
+#[sea_orm(table_name = "book")]
+pub struct Model {
+    #[sea_orm(primary_key)]
+    pub id: i64,
+    pub name: String,
+    pub uid: i64,
+    pub is_deleted: bool,
+    pub created_at: DateTime,
+    pub updated_at: DateTime,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
+pub enum Relation {}
+
+impl ActiveModelBehavior for ActiveModel {}

src/model/db/category.rs

@@ -0,0 +1,22 @@
+//! `SeaORM` Entity, @generated by sea-orm-codegen 1.1.16
+
+use sea_orm::entity::prelude::*;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Debug, PartialEq, DeriveEntityModel, Eq, Serialize, Deserialize)]
+#[sea_orm(table_name = "category")]
+pub struct Model {
+    #[sea_orm(primary_key)]
+    pub id: i64,
+    pub name: String,
+    pub uid: i64,
+    pub parent_id: i64,
+    pub is_deleted: bool,
+    pub created_at: DateTime,
+    pub updated_at: DateTime,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
+pub enum Relation {}
+
+impl ActiveModelBehavior for ActiveModel {}

src/model/db/mod.rs

@@ -0,0 +1,10 @@
+//! `SeaORM` Entity, @generated by sea-orm-codegen 1.1.16
+
+pub mod prelude;
+
+pub mod account;
+pub mod book;
+pub mod category;
+pub mod tag;
+pub mod transaction;
+pub mod transaction_tag_rel;

src/model/db/prelude.rs

@@ -0,0 +1,8 @@
+//! `SeaORM` Entity, @generated by sea-orm-codegen 1.1.16
+
+pub use super::account::Entity as Account;
+pub use super::book::Entity as Book;
+pub use super::category::Entity as Category;
+pub use super::tag::Entity as Tag;
+pub use super::transaction::Entity as Transaction;
+pub use super::transaction_tag_rel::Entity as TransactionTagRel;

src/model/db/tag.rs

@@ -0,0 +1,21 @@
+//! `SeaORM` Entity, @generated by sea-orm-codegen 1.1.16
+
+use sea_orm::entity::prelude::*;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Debug, PartialEq, DeriveEntityModel, Eq, Serialize, Deserialize)]
+#[sea_orm(table_name = "tag")]
+pub struct Model {
+    #[sea_orm(primary_key)]
+    pub id: i64,
+    pub name: String,
+    pub uid: i64,
+    pub is_deleted: bool,
+    pub created_at: DateTime,
+    pub updated_at: DateTime,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
+pub enum Relation {}
+
+impl ActiveModelBehavior for ActiveModel {}

src/model/db/transaction.rs

@@ -0,0 +1,25 @@
+//! `SeaORM` Entity, @generated by sea-orm-codegen 1.1.16
+
+use sea_orm::entity::prelude::*;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Debug, PartialEq, DeriveEntityModel, Eq, Serialize, Deserialize)]
+#[sea_orm(table_name = "transaction")]
+pub struct Model {
+    #[sea_orm(primary_key)]
+    pub id: i64,
+    pub uid: i64,
+    pub transaction_type: i32,
+    pub book_id: i64,
+    pub category_id: i64,
+    pub description: String,
+    pub transaction_time: DateTimeWithTimeZone,
+    pub is_deleted: bool,
+    pub created_at: DateTime,
+    pub updated_at: DateTime,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
+pub enum Relation {}
+
+impl ActiveModelBehavior for ActiveModel {}

src/model/db/transaction_tag_rel.rs

@@ -0,0 +1,22 @@
+//! `SeaORM` Entity, @generated by sea-orm-codegen 1.1.16
+
+use sea_orm::entity::prelude::*;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Debug, PartialEq, DeriveEntityModel, Eq, Serialize, Deserialize)]
+#[sea_orm(table_name = "transaction_tag_rel")]
+pub struct Model {
+    #[sea_orm(primary_key)]
+    pub id: i64,
+    pub uid: i64,
+    pub transaction_id: i64,
+    pub tag_id: i64,
+    pub is_deleted: bool,
+    pub created_at: DateTime,
+    pub updated_at: DateTime,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
+pub enum Relation {}
+
+impl ActiveModelBehavior for ActiveModel {}

src/model/http_body/account.rs

@@ -0,0 +1,14 @@
+use serde::{Serialize, Deserialize};
+
+#[derive(Serialize)]
+pub struct AccountResp {
+    pub id: String,
+    pub name: String,
+    pub account_type: String,
+}
+
+#[derive(Deserialize, Serialize, Debug)]
+pub struct AccountReq {
+    pub name: Option<String>,
+    pub account_type: Option<String>,
+}

src/model/http_body/book.rs

@@ -0,0 +1,14 @@
+use serde::{Serialize, Deserialize};
+use super::common::{number_stringify, OptionalI64};
+
+#[derive(Serialize)]
+pub struct BookResp {
+    #[serde(with="number_stringify")]
+    pub id: OptionalI64,
+    pub name: String,
+}
+
+#[derive(Serialize,Deserialize)]
+pub struct BookInfo {
+    pub name: String,
+}

src/model/http_body/category.rs

@@ -0,0 +1,17 @@
+use serde::{Deserialize, Serialize};
+use super::common::{number_stringify, OptionalI64};
+#[derive(Serialize, Deserialize)]
+pub struct CategoryResp {
+    pub id: i64,
+    pub name: String,
+    pub parent_id: i64,
+}
+
+#[derive(Serialize, Deserialize)]
+pub struct CategoryInfo {
+    #[serde(with="number_stringify")]
+    pub id: OptionalI64,
+    pub name: String,
+    #[serde(with="number_stringify")]
+    pub parent_id: OptionalI64,
+}

src/model/http_body/common.rs

@@ -0,0 +1,88 @@
+use serde::{Deserialize, Serialize};
+use std::fmt::{Display, Formatter, Result as FmtResult};
+use std::num::ParseIntError;
+use std::str::FromStr;
+
+#[derive(Serialize)]
+pub struct SimpleResponse {
+    pub code: i64,
+    pub message: String,
+}
+
+#[derive(Debug)]
+pub struct OptionalI64(pub Option<i64>);
+
+impl OptionalI64 {
+    // 构造函数：从 i64 创建 Some
+    pub fn new(value: i64) -> Self {
+        OptionalI64(Some(value))
+    }
+
+    // 构造函数：直接创建 None
+    pub fn none() -> Self {
+        OptionalI64(None)
+    }
+
+    // 从 Option<i64> 转换
+    pub fn from_option(value: Option<i64>) -> Self {
+        OptionalI64(value)
+    }
+}
+
+impl From<i64> for OptionalI64 {
+    fn from(value: i64) -> Self {
+        OptionalI64(Some(value))
+    }
+}
+impl From<Option<i64>> for OptionalI64 {
+    fn from(value: Option<i64>) -> Self {
+        OptionalI64(value)
+    }
+}
+
+impl FromStr for OptionalI64 {
+    type Err = std::num::ParseIntError;
+
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        if s.is_empty() || s.eq_ignore_ascii_case("null") {
+            Ok(OptionalI64(None))
+        } else {
+            s.parse::<i64>().map(|n| OptionalI64(Some(n)))
+        }
+    }
+}
+
+impl Display for OptionalI64 {
+    fn fmt(&self, f: &mut Formatter<'_>) -> FmtResult {
+        match self.0 {
+            Some(num) => write!(f, "{}", num), // 有值时输出数字
+            None => write!(f, ""),             // None 时输出空字符串
+        }
+    }
+}
+
+pub mod number_stringify {
+    use std::fmt::Display;
+    use std::str::FromStr;
+
+    use serde::{de, Deserialize, Deserializer, Serializer};
+
+    pub fn serialize<T, S>(value: &T, serializer: S) -> Result<S::Ok, S::Error>
+    where
+        T: Display,
+        S: Serializer,
+    {
+        serializer.collect_str(value)
+    }
+
+    pub fn deserialize<'de, T, D>(deserializer: D) -> Result<T, D::Error>
+    where
+        T: FromStr,
+        T::Err: Display,
+        D: Deserializer<'de>,
+    {
+        String::deserialize(deserializer)?
+            .parse()
+            .map_err(de::Error::custom)
+    }
+}

src/model/http_body/mod.rs

@@ -0,0 +1,6 @@
+pub mod book;
+pub mod common;
+pub mod category;
+pub mod tag;
+pub mod transaction;
+pub mod account;

src/model/http_body/tag.rs

@@ -0,0 +1,14 @@
+use serde::{Serialize, Deserialize};
+use super::common::{number_stringify, OptionalI64};
+
+#[derive(Serialize)]
+pub struct TagResp {
+    #[serde(with="number_stringify")]
+    pub id: OptionalI64,
+    pub name: String,
+}
+
+#[derive(Serialize,Deserialize)]
+pub struct TagInfo {
+    pub name: String,
+}

src/model/http_body/transaction.rs

@@ -0,0 +1,25 @@
+ use serde::{Serialize, Deserialize};
+ use crate::model::http_body::tag::TagInfo;
+ use crate::model::http_body::category::CategoryResp;
+ use crate::model::http_body::common::OptionalI64;
+
+ #[derive(Serialize,Deserialize)]
+ pub struct TransactionResp {
+     pub id: i64,
+     pub description: String,
+     pub category: CategoryResp,
+     pub tags: Vec<TagInfo>,
+ }
+
+ #[derive(Serialize,Deserialize)]
+ pub struct TransactionReq {
+     pub id: Option<String>,
+     pub description: Option<String>,
+     pub category_id: Option<String>,
+     pub tags: Vec<String>,
+ }
+ 
+ pub struct TransactionAmountReq {
+     pub id: Option<String>,
+     pub account_id: Option<String>,
+ }

src/model/mod.rs

@@ -0,0 +1,2 @@
+pub mod db;
+pub mod http_body;

src/query/book.rs

@@ -0,0 +1,4 @@
+// use crate::model::db::prelude::Book;
+// pub fn get_book_by_id(id:i64, uid:i64)->Option<Book> {
+// 
+// }

src/query/mod.rs

@@ -0,0 +1 @@
+mod book;

src/util/mod.rs

@@ -0,0 +1 @@
+pub mod pass;

src/util/pass.rs

@@ -0,0 +1,16 @@
+use std::error::Error;
+use pbkdf2::{
+    password_hash::{
+        rand_core::OsRng,
+        PasswordHash,SaltString,
+    },
+    Pbkdf2,
+};
+use pbkdf2::password_hash::PasswordHasher;
+
+pub fn get_pbkdf2_from_psw(password:String) -> Result<String, pbkdf2::password_hash::Error> {
+    let salt = SaltString::generate(&mut OsRng);
+    let password_hash = Pbkdf2.hash_password(password.as_bytes(), &salt)?.to_string();
+    println!("{}",password_hash);
+    return Ok(password_hash)
+}