feat: add tests and test_questions schema

Made-with: Cursor

src/db/schema/index.ts

@@ -2,3 +2,5 @@ export * from './enums.js';
 export * from './users.js';
 export * from './sessions.js';
 export * from './subscriptions.js';
+export * from './tests.js';
+export * from './testQuestions.js';

src/db/schema/testQuestions.ts

@@ -0,0 +1,25 @@
+import { pgTable, uuid, text, integer, boolean, timestamp } from 'drizzle-orm/pg-core';
+import { jsonb } from 'drizzle-orm/pg-core';
+import { questionTypeEnum } from './enums.js';
+import { tests } from './tests.js';
+import { questionBank } from './questionBank.js';
+
+export const testQuestions = pgTable('test_questions', {
+  id: uuid('id').primaryKey().defaultRandom(),
+  testId: uuid('test_id')
+    .notNull()
+    .references(() => tests.id, { onDelete: 'cascade' }),
+  questionBankId: uuid('question_bank_id').references(() => questionBank.id, { onDelete: 'set null' }),
+  orderNumber: integer('order_number').notNull(),
+  type: questionTypeEnum('type').notNull(),
+  questionText: text('question_text').notNull(),
+  options: jsonb('options').$type<Array<{ key: string; text: string }>>(),
+  correctAnswer: jsonb('correct_answer').$type<string | string[]>().notNull(),
+  explanation: text('explanation').notNull(),
+  userAnswer: jsonb('user_answer').$type<string | string[]>(),
+  isCorrect: boolean('is_correct'),
+  answeredAt: timestamp('answered_at', { withTimezone: true }),
+});
+
+export type TestQuestion = typeof testQuestions.$inferSelect;
+export type NewTestQuestion = typeof testQuestions.$inferInsert;

src/db/schema/tests.ts

@@ -0,0 +1,22 @@
+import { pgTable, uuid, integer, timestamp } from 'drizzle-orm/pg-core';
+import { stackEnum, levelEnum, testModeEnum, testStatusEnum } from './enums.js';
+import { users } from './users.js';
+
+export const tests = pgTable('tests', {
+  id: uuid('id').primaryKey().defaultRandom(),
+  userId: uuid('user_id')
+    .notNull()
+    .references(() => users.id, { onDelete: 'cascade' }),
+  stack: stackEnum('stack').notNull(),
+  level: levelEnum('level').notNull(),
+  questionCount: integer('question_count').notNull(),
+  mode: testModeEnum('mode').notNull().default('fixed'),
+  status: testStatusEnum('status').notNull().default('in_progress'),
+  score: integer('score'),
+  startedAt: timestamp('started_at', { withTimezone: true }).notNull().defaultNow(),
+  finishedAt: timestamp('finished_at', { withTimezone: true }),
+  timeLimitSeconds: integer('time_limit_seconds'),
+});
+
+export type Test = typeof tests.$inferSelect;
+export type NewTest = typeof tests.$inferInsert;