Refactor Link

src/entity/link.rs

@@ -0,0 +1,20 @@
+use crate::{EntityTrait, RelationDef, QuerySelect, Select};
+use sea_query::{JoinType};
+
+pub type LinkDef = RelationDef;
+
+pub trait Linked {
+    type FromEntity: EntityTrait;
+
+    type ToEntity: EntityTrait;
+
+    fn link(&self) -> Vec<LinkDef>;
+
+    fn find_linked(&self) -> Select<Self::ToEntity> {
+        let mut select = Select::new();
+        for rel in self.link().into_iter().rev() {
+            select = select.join_rev(JoinType::InnerJoin, rel);
+        }
+        select
+    }
+}

src/entity/mod.rs

@@ -2,6 +2,7 @@ mod active_model;
 mod base_entity;
 mod column;
 mod identity;
+mod link;
 mod model;
 pub mod prelude;
 mod primary_key;
@@ -11,6 +12,7 @@ pub use active_model::*;
 pub use base_entity::*;
 pub use column::*;
 pub use identity::*;
+pub use link::*;
 pub use model::*;
 // pub use prelude::*;
 pub use primary_key::*;

src/entity/relation.rs

@@ -30,22 +30,6 @@ where
     }
 }
 
-pub trait Linked {
-    type FromEntity: EntityTrait;
-
-    type ToEntity: EntityTrait;
-
-    fn link(&self) -> Vec<RelationDef>;
-
-    fn find_linked(&self) -> Select<Self::ToEntity> {
-        let mut select = Select::new();
-        for rel in self.link().into_iter().rev() {
-            select = select.join_rev(JoinType::InnerJoin, rel);
-        }
-        select
-    }
-}
-
 #[derive(Debug)]
 pub struct RelationDef {
     pub rel_type: RelationType,