feat: add dal dao

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

@@ -15,6 +15,8 @@ mod middleware;
 mod model;
 mod util;
 mod query;
+mod dao;
+mod dal;
 
 #[tokio::main]
 async fn main() {