feat(tests): общие тесты с автором, в истории только результаты ученика (для всех ролей)

Made-with: Cursor

backend/prisma/migrations/20260402180000_tests_shared_author_student_results/migration.sql

@@ -0,0 +1,26 @@
+-- Общие тесты в контексте пары: studentId = id назначенного ученика; authorId = кто создал.
+-- Результаты (TestResult) привязаны к ученику (studentId).
+
+ALTER TABLE "Test" ADD COLUMN "authorId" INTEGER;
+
+UPDATE "Test" SET "authorId" = "studentId";
+
+UPDATE "Test" AS t
+SET "studentId" = ta."studentId"
+FROM "TutorAssignment" AS ta
+WHERE t."authorId" = ta."tutorId";
+
+ALTER TABLE "Test" ALTER COLUMN "authorId" SET NOT NULL;
+
+ALTER TABLE "Test" ADD CONSTRAINT "Test_authorId_fkey" FOREIGN KEY ("authorId") REFERENCES "User"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+ALTER TABLE "TestResult" ADD COLUMN "studentId" INTEGER;
+
+UPDATE "TestResult" AS tr
+SET "studentId" = t."studentId"
+FROM "Test" AS t
+WHERE tr."testId" = t."id";
+
+ALTER TABLE "TestResult" ALTER COLUMN "studentId" SET NOT NULL;
+
+ALTER TABLE "TestResult" ADD CONSTRAINT "TestResult_studentId_fkey" FOREIGN KEY ("studentId") REFERENCES "User"("id") ON DELETE CASCADE ON UPDATE CASCADE;

backend/prisma/schema.prisma

@@ -26,7 +26,9 @@ model User {
   questions    Question[]
   chatMessages ChatMessage[]
   textbooks    Textbook[]
-  tests        Test[]
+  testsInScope Test[]   @relation("TestStudentScope")
+  testsAuthored Test[]  @relation("TestAuthor")
+  testResults  TestResult[]
   reports      Report[]
   hallPhotos   HallPhoto[]
 }
@@ -75,8 +77,11 @@ model Textbook {
 
 model Test {
   id        Int          @id @default(autoincrement())
+  /// Контекст пары наставник–ученик (id назначенного ученика); общие тесты для обоих
   studentId Int
-  student   User         @relation(fields: [studentId], references: [id], onDelete: Cascade)
+  student   User         @relation("TestStudentScope", fields: [studentId], references: [id], onDelete: Cascade)
+  authorId  Int
+  author    User         @relation("TestAuthor", fields: [authorId], references: [id], onDelete: Cascade)
   topic     String
   questions String
   createdAt DateTime     @default(now())
@@ -86,11 +91,13 @@ model Test {
 model TestResult {
   id        Int      @id @default(autoincrement())
   testId    Int
+  test      Test     @relation(fields: [testId], references: [id], onDelete: Cascade)
+  studentId Int
+  student   User     @relation(fields: [studentId], references: [id], onDelete: Cascade)
   answers   String
   score     Int
   total     Int
   createdAt DateTime @default(now())
-  test      Test     @relation(fields: [testId], references: [id], onDelete: Cascade)
 }
 
 model Report {