feat: rebuild email platform and operations console

server/src/repositories/attachment_repository.rs

@@ -0,0 +1,68 @@
+use crate::domain::entities::email_attachment;
+use anyhow::Result;
+use sea_orm::{
+    ActiveModelTrait, ColumnTrait, DatabaseConnection, EntityTrait, QueryFilter, QueryOrder, Set,
+};
+
+/// 邮件附件数据访问
+pub struct AttachmentRepository {
+    db: DatabaseConnection,
+}
+
+impl AttachmentRepository {
+    pub fn new(db: DatabaseConnection) -> Self {
+        Self { db }
+    }
+
+    #[allow(dead_code)]
+    pub async fn insert(
+        &self,
+        model: email_attachment::ActiveModel,
+    ) -> Result<email_attachment::Model> {
+        Ok(model.insert(&self.db).await?)
+    }
+
+    pub async fn find_by_id(&self, id: i64) -> Result<Option<email_attachment::Model>> {
+        Ok(email_attachment::Entity::find_by_id(id)
+            .one(&self.db)
+            .await?)
+    }
+
+    pub async fn list_by_email(&self, email_id: i64) -> Result<Vec<email_attachment::Model>> {
+        Ok(email_attachment::Entity::find()
+            .filter(email_attachment::Column::EmailId.eq(email_id))
+            .order_by_asc(email_attachment::Column::Id)
+            .all(&self.db)
+            .await?)
+    }
+
+    #[allow(dead_code)]
+    pub async fn delete_by_email(&self, email_id: i64) -> Result<u64> {
+        let res = email_attachment::Entity::delete_many()
+            .filter(email_attachment::Column::EmailId.eq(email_id))
+            .exec(&self.db)
+            .await?;
+        Ok(res.rows_affected)
+    }
+
+    /// 批量插入附件（收信时）
+    #[allow(dead_code)]
+    pub async fn insert_many(
+        &self,
+        email_id: i64,
+        attachments: Vec<(Option<String>, String, i64, Vec<u8>)>,
+    ) -> Result<()> {
+        for (filename, content_type, size, content) in attachments {
+            let model = email_attachment::ActiveModel {
+                email_id: Set(email_id),
+                filename: Set(filename),
+                content_type: Set(content_type),
+                size_bytes: Set(size),
+                content: Set(Some(content)),
+                ..Default::default()
+            };
+            model.insert(&self.db).await?;
+        }
+        Ok(())
+    }
+}