feat: candidate fk in parent migration

migration/src/lib.rs

@@ -6,7 +6,7 @@ mod m20221024_124701_create_parent;
 mod m20221024_134454_fill_admin;
 mod m20221025_154422_create_session;
 mod m20221027_194728_session_create_user_fk;
-
+mod m20221030_133428_parent_create_candidate_fk;
 pub struct Migrator;
 
 #[async_trait::async_trait]
@@ -19,6 +19,7 @@ impl MigratorTrait for Migrator {
             Box::new(m20221024_134454_fill_admin::Migration::default()),
             Box::new(m20221025_154422_create_session::Migration),
             Box::new(m20221027_194728_session_create_user_fk::Migration),
+            Box::new(m20221030_133428_parent_create_candidate_fk::Migration),
         ]
     }
 }

migration/src/m20221024_124701_create_parent.rs

@@ -37,7 +37,7 @@ impl MigrationTrait for Migration {
 }
 
 #[derive(Iden)]
-enum Parent {
+pub enum Parent {
     Table,
     Application,
     Name,

migration/src/m20221030_133428_parent_create_candidate_fk.rs

@@ -0,0 +1,26 @@
+use sea_orm_migration::prelude::*;
+
+use crate::{m20221024_124701_create_parent::Parent, m20221024_121621_create_candidate::Candidate};
+
+#[derive(DeriveMigrationName)]
+pub struct Migration;
+
+#[async_trait::async_trait]
+impl MigrationTrait for Migration {
+    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        manager.create_foreign_key(ForeignKey::create()
+            .name("candidate_fk")
+            .from(Parent::Table, Candidate::Application)
+            .to(Parent::Table, Parent::Application)
+            .on_delete(ForeignKeyAction::Cascade)
+            .on_update(ForeignKeyAction::Cascade)
+            .to_owned()).await
+    }
+
+    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        manager.drop_foreign_key(ForeignKey::drop()
+            .name("candidate_fk")
+            .table(Parent::Table)
+            .to_owned()).await
+    }
+}