impl tags api (#2)

src/entity/kb2_doc.rs

@@ -0,0 +1,35 @@
+use sea_orm::entity::prelude::*;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Debug, PartialEq, Eq, DeriveEntityModel, Deserialize, Serialize)]
+#[sea_orm(table_name = "kb2_doc")]
+pub struct Model {
+    #[sea_orm(primary_key, auto_increment = false)]
+    #[sea_orm(index)]
+    pub kb_id: i64,
+    #[sea_orm(primary_key, auto_increment = false)]
+    pub uid: i64,
+}
+
+#[derive(Debug, Clone, Copy, EnumIter)]
+pub enum Relation {
+    DocInfo,
+    KbInfo,
+}
+
+impl RelationTrait for Relation {
+    fn def(&self) -> RelationDef {
+        match self {
+            Self::DocInfo => Entity::belongs_to(super::doc_info::Entity)
+                .from(Column::Uid)
+                .to(super::doc_info::Column::Uid)
+                .into(),
+            Self::KbInfo => Entity::belongs_to(super::kb_info::Entity)
+                .from(Column::KbId)
+                .to(super::kb_info::Column::KbId)
+                .into(),
+        }
+    }
+}
+
+impl ActiveModelBehavior for ActiveModel {}