From 03a926884807122d4598e69e9e587a17d927bef4 Mon Sep 17 00:00:00 2001
From: EETagent <vojta.jungmann@gmail.com>
Date: Sun, 30 Oct 2022 13:25:18 +0100
Subject: [PATCH 1/2] feat: candidate & parent relations

---
 entity/src/candidate.rs |  8 ++++++++
 entity/src/parent.rs    | 15 ++++++++++++++-
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/entity/src/candidate.rs b/entity/src/candidate.rs
index 221a80e..f020e71 100644
--- a/entity/src/candidate.rs
+++ b/entity/src/candidate.rs
@@ -35,10 +35,18 @@ pub struct Model {
 
 #[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
 pub enum Relation {
+    #[sea_orm(has_one = "super::parent::Entity")]
+    Parent,
     #[sea_orm(has_many = "super::session::Entity")]
     Session,
 }
 
+impl Related<super::parent::Entity> for Entity {
+    fn to() -> RelationDef {
+        Relation::Parent.def()
+    }
+}
+
 impl Related<super::session::Entity> for Entity {
     fn to() -> RelationDef {
         Relation::Session.def()
diff --git a/entity/src/parent.rs b/entity/src/parent.rs
index 7e1b00c..4d107af 100644
--- a/entity/src/parent.rs
+++ b/entity/src/parent.rs
@@ -14,6 +14,19 @@ pub struct Model {
 }
 
 #[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
-pub enum Relation {}
+pub enum Relation {
+    #[sea_orm(
+        belongs_to = "super::candidate::Entity",
+        from = "Column::Application",
+        to = "super::candidate::Column::Application"
+    )]
+    Candidate,
+}
+
+impl Related<super::candidate::Entity> for Entity {
+    fn to() -> RelationDef {
+        Relation::Candidate.def()
+    }
+}
 
 impl ActiveModelBehavior for ActiveModel {}

From 23bae539112f08a36200eb55a4a00c512a15c70d Mon Sep 17 00:00:00 2001
From: EETagent <vojta.jungmann@gmail.com>
Date: Sun, 30 Oct 2022 13:39:08 +0100
Subject: [PATCH 2/2] feat: candidate fk in parent migration

---
 migration/src/lib.rs                          |  3 ++-
 .../src/m20221024_124701_create_parent.rs     |  2 +-
 ...21030_133428_parent_create_candidate_fk.rs | 26 +++++++++++++++++++
 3 files changed, 29 insertions(+), 2 deletions(-)
 create mode 100644 migration/src/m20221030_133428_parent_create_candidate_fk.rs

diff --git a/migration/src/lib.rs b/migration/src/lib.rs
index a8f21b1..d8329d8 100644
--- a/migration/src/lib.rs
+++ b/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),
         ]
     }
 }
diff --git a/migration/src/m20221024_124701_create_parent.rs b/migration/src/m20221024_124701_create_parent.rs
index b53148e..99a0b14 100644
--- a/migration/src/m20221024_124701_create_parent.rs
+++ b/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,
diff --git a/migration/src/m20221030_133428_parent_create_candidate_fk.rs b/migration/src/m20221030_133428_parent_create_candidate_fk.rs
new file mode 100644
index 0000000..1459bc5
--- /dev/null
+++ b/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
+    }
+}
\ No newline at end of file