From 8ec201513ce4986094e907cb2e871f6c4350bf18 Mon Sep 17 00:00:00 2001
From: Gerald Schmittinger <gerald.schmittinger@ugent.be>
Date: Wed, 26 Feb 2025 00:52:45 +0100
Subject: [PATCH] feat(backend): Repositories voor leerinhoud
 LearningObjectRepository, LearningPathRepository en AttachmentRepository
 aangemaakt.

---
 backend/src/data/content/attachment-repository.ts  | 10 ++++++++++
 .../src/data/content/learning-object-repository.ts | 14 ++++++++++++++
 .../src/data/content/learning-path-repository.ts   | 10 ++++++++++
 backend/src/entities/content/attachment.entity.ts  |  2 +-
 .../src/entities/content/learning-path.entity.ts   |  2 +-
 5 files changed, 36 insertions(+), 2 deletions(-)
 create mode 100644 backend/src/data/content/attachment-repository.ts
 create mode 100644 backend/src/data/content/learning-object-repository.ts
 create mode 100644 backend/src/data/content/learning-path-repository.ts

diff --git a/backend/src/data/content/attachment-repository.ts b/backend/src/data/content/attachment-repository.ts
new file mode 100644
index 00000000..aa14fbe5
--- /dev/null
+++ b/backend/src/data/content/attachment-repository.ts
@@ -0,0 +1,10 @@
+import {DwengoEntityRepository} from "../dwengo-entity-repository";
+import {Attachment} from "../../entities/content/attachment.entity";
+import {LearningObject} from "../../entities/content/learning-object.entity";
+
+export class AttachmentRepository extends DwengoEntityRepository<Attachment> {
+    public findByLearningObjectAndNumber(learningObject: LearningObject, sequenceNumber: number) {
+        return this.findOne({learningObject: learningObject, sequenceNumber: sequenceNumber});
+    }
+    // This repository is read-only for now since creating own learning object is an extension feature.
+}
diff --git a/backend/src/data/content/learning-object-repository.ts b/backend/src/data/content/learning-object-repository.ts
new file mode 100644
index 00000000..fa8019c0
--- /dev/null
+++ b/backend/src/data/content/learning-object-repository.ts
@@ -0,0 +1,14 @@
+import {DwengoEntityRepository} from "../dwengo-entity-repository";
+import {LearningObject} from "../../entities/content/learning-object.entity";
+import {LearningObjectIdentifier} from "../../entities/content/learning-object-identifier";
+
+export class LearningObjectRepository extends DwengoEntityRepository<LearningObject> {
+    public findByIdentifier(identifier: LearningObjectIdentifier): Promise<LearningObject | null> {
+        return this.findOne({
+            hruid: identifier.hruid,
+            language: identifier.language,
+            version: identifier.version
+        });
+    }
+    // This repository is read-only for now since creating own learning object is an extension feature.
+}
diff --git a/backend/src/data/content/learning-path-repository.ts b/backend/src/data/content/learning-path-repository.ts
new file mode 100644
index 00000000..0dd1f876
--- /dev/null
+++ b/backend/src/data/content/learning-path-repository.ts
@@ -0,0 +1,10 @@
+import {DwengoEntityRepository} from "../dwengo-entity-repository";
+import {LearningPath} from "../../entities/content/learning-path.entity";
+import {Language} from "../../entities/content/language";
+
+export class LearningPathRepository extends DwengoEntityRepository<LearningPath> {
+    public findByHruidAndLanguage(hruid: string, language: Language): Promise<LearningPath | null> {
+        return this.findOne({hruid: hruid, language: language});
+    }
+    // This repository is read-only for now since creating own learning object is an extension feature.
+}
diff --git a/backend/src/entities/content/attachment.entity.ts b/backend/src/entities/content/attachment.entity.ts
index 600d2a83..4a14c4fe 100644
--- a/backend/src/entities/content/attachment.entity.ts
+++ b/backend/src/entities/content/attachment.entity.ts
@@ -7,7 +7,7 @@ export class Attachment {
     learningObject!: LearningObject;
 
     @PrimaryKey({type: "integer"})
-    no!: number;
+    sequenceNumber!: number;
 
     @Property({type: "string"})
     mimeType!: string;
diff --git a/backend/src/entities/content/learning-path.entity.ts b/backend/src/entities/content/learning-path.entity.ts
index ef694af0..24d058ea 100644
--- a/backend/src/entities/content/learning-path.entity.ts
+++ b/backend/src/entities/content/learning-path.entity.ts
@@ -23,7 +23,7 @@ export class LearningPath {
     image!: string;
 
     @Embedded({entity: () => LearningPathNode, array: true})
-    nodes: LearningPathNode[];
+    nodes: LearningPathNode[] = [];
 }
 
 @Embeddable()