From 1acb8e7d203f2185d35cde7c5e16d5c5fbed8862 Mon Sep 17 00:00:00 2001
From: derdeka <derdeka@blackslash.de>
Date: Wed, 15 Jan 2020 15:33:15 +0100
Subject: [PATCH] feat(repository): hasManyThrough - add
 HasManyThroughRepositoryFactory

---
 .../has-many-through-repository.factory.ts    | 34 +++++++++++++++++++
 .../src/relations/has-many/index.ts           |  1 +
 2 files changed, 35 insertions(+)
 create mode 100644 packages/repository/src/relations/has-many/has-many-through-repository.factory.ts

diff --git a/packages/repository/src/relations/has-many/has-many-through-repository.factory.ts b/packages/repository/src/relations/has-many/has-many-through-repository.factory.ts
new file mode 100644
index 000000000000..477b1c3eb717
--- /dev/null
+++ b/packages/repository/src/relations/has-many/has-many-through-repository.factory.ts
@@ -0,0 +1,34 @@
+import {Entity, EntityCrudRepository, Getter, HasManyThroughDefinition} from "../..";
+import {DefaultHasManyThroughRepository, HasManyThroughRepository} from "./has-many-through.repository";
+
+export type HasManyThroughRepositoryFactory<
+  TargetEntity extends Entity,
+  TargetID,
+  ThroughEntity extends Entity,
+  ThroughID,
+> = (fkValue: ThroughID) => HasManyThroughRepository<TargetEntity, TargetID, ThroughEntity>;
+
+export function createHasManyThroughRepositoryFactory<
+  TargetEntity extends Entity,
+  TargetID,
+  ThroughEntity extends Entity,
+  ThroughID,
+>(
+  relationMetadata: HasManyThroughDefinition,
+  targetRepositoryGetter: Getter<EntityCrudRepository<TargetEntity, TargetID>>,
+  throughRepositoryGetter: Getter<EntityCrudRepository<ThroughEntity, ThroughID>>,
+): HasManyThroughRepositoryFactory<TargetEntity, TargetID, ThroughEntity, ThroughID> {
+  return (fkValue?: ThroughID) => {
+    return new DefaultHasManyThroughRepository<
+      TargetEntity,
+      TargetID,
+      EntityCrudRepository<TargetEntity, TargetID>,
+      ThroughEntity,
+      ThroughID,
+      EntityCrudRepository<ThroughEntity, ThroughID>
+    >(
+      targetRepositoryGetter,
+      throughRepositoryGetter,
+    );
+  }
+}
diff --git a/packages/repository/src/relations/has-many/index.ts b/packages/repository/src/relations/has-many/index.ts
index 36521896f913..44e3d81547f8 100644
--- a/packages/repository/src/relations/has-many/index.ts
+++ b/packages/repository/src/relations/has-many/index.ts
@@ -7,4 +7,5 @@ export * from './has-many.decorator';
 export * from './has-many.repository';
 export * from './has-many-repository.factory';
 export * from './has-many.inclusion-resolver';
+export * from './has-many-through-repository.factory';
 export * from './has-many-through.repository';