feat(backend): Assignment-, Group- en SubmissionRepository aangemaakt

backend/src/data/assignments/submission-repository.ts

@@ -0,0 +1,34 @@
+import {DwengoEntityRepository} from "../dwengo-entity-repository";
+import {Group} from "../../entities/assignments/group.entity";
+import {Submission} from "../../entities/assignments/submission.entity";
+import {LearningObjectIdentifier} from "../../entities/content/learning-object-identifier";
+import {Student} from "../../entities/users/student.entity";
+
+export class SubmissionRepository extends DwengoEntityRepository<Submission> {
+    public findSubmissionByLearningObjectAndSubmissionNumber(loId: LearningObjectIdentifier, submissionNumber: number): Promise<Submission | null> {
+        return this.findOne({
+            learningObjectHruid: loId.hruid,
+            learningObjectLanguage: loId.language,
+            learningObjectVersion: loId.version,
+            submissionNumber: submissionNumber
+        });
+    }
+
+    public findMostRecentSubmissionForStudent(loId: LearningObjectIdentifier, submitter: Student): Promise<Submission | null> {
+        return this.findOne({
+            learningObjectHruid: loId.hruid,
+            learningObjectLanguage: loId.language,
+            learningObjectVersion: loId.version,
+            submitter: submitter,
+        }, {orderBy: {submissionNumber: "DESC"}})
+    }
+
+    public findMostRecentSubmissionForGroup(loId: LearningObjectIdentifier, group: Group): Promise<Submission | null> {
+        return this.findOne({
+            learningObjectHruid: loId.hruid,
+            learningObjectLanguage: loId.language,
+            learningObjectVersion: loId.version,
+            onBehalfOf: group,
+        }, {orderBy: {submissionNumber: "DESC"}})
+    }
+}