feat: impl dao (#1)

Co-authored-by: kould <2435992353@qq.com>

src/entity/dialog_info.rs

@@ -0,0 +1,33 @@
+use sea_orm::entity::prelude::*;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Debug, PartialEq, Eq, DeriveEntityModel, Deserialize, Serialize)]
+#[sea_orm(table_name = "dialog_info")]
+pub struct Model {
+    #[sea_orm(primary_key, auto_increment = false)]
+    pub dialog_id: i64,
+    #[sea_orm(primary_key, auto_increment = false)]
+    pub uid: i64,
+    pub dialog_name: String,
+    pub history: String,
+
+    pub created_at: DateTimeWithTimeZone,
+    pub updated_at: DateTimeWithTimeZone,
+    #[sea_orm(soft_delete_column)]
+    pub is_deleted: bool,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
+pub enum Relation {}
+
+impl Related<super::kb_info::Entity> for Entity {
+    fn to() -> RelationDef {
+        super::dialog_2_kb::Relation::KbInfo.def()
+    }
+
+    fn via() -> Option<RelationDef> {
+        Some(super::dialog_2_kb::Relation::DialogInfo.def().rev())
+    }
+}
+
+impl ActiveModelBehavior for ActiveModel {}