feat: add quiz, question, answer and attempt models with migrations

updates/20261002120404_create_quizzes_tables.go

@@ -0,0 +1,99 @@
+// Code generated by summer make. DO NOT EDIT.
+
+package updates
+
+import (
+	"github.com/go-gormigrate/gormigrate/v2"
+	"gorm.io/gorm"
+)
+
+// CreateQuizzesTables returns the 20261002120404_create_quizzes_tables gormigrate entry.
+// It creates the quiz, question, answer, attempt and attempt answer tables.
+// Deleting a quiz deletes its questions, answers and attempts; deleting a
+// question deletes its answers and the attempt answers given to it; deleting
+// a user deletes their attempts.
+func CreateQuizzesTables() *gormigrate.Migration {
+	return &gormigrate.Migration{
+		ID: "20261002120404_create_quizzes_tables",
+		Migrate: func(tx *gorm.DB) error {
+			for _, stmt := range []string{
+				`CREATE TABLE golem15_quizzes_quizzes (
+    id BIGSERIAL PRIMARY KEY,
+    title VARCHAR(255) NOT NULL,
+    slug VARCHAR(255) NOT NULL UNIQUE,
+    description TEXT NULL,
+    context VARCHAR(255) NULL,
+    is_published BOOLEAN NOT NULL DEFAULT FALSE,
+    time_limit_seconds INTEGER NULL,
+    passing_score INTEGER NOT NULL DEFAULT 50,
+    shuffle_questions BOOLEAN NOT NULL DEFAULT FALSE,
+    round_size INTEGER NULL,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+)`,
+				`CREATE INDEX golem15_quizzes_quizzes_context_index ON golem15_quizzes_quizzes (context)`,
+				`CREATE TABLE golem15_quizzes_questions (
+    id BIGSERIAL PRIMARY KEY,
+    quiz_id BIGINT NOT NULL REFERENCES golem15_quizzes_quizzes (id) ON DELETE CASCADE,
+    text TEXT NOT NULL,
+    type VARCHAR(20) NOT NULL DEFAULT 'single' CHECK (type IN ('single', 'multiple', 'self_check')),
+    category VARCHAR(255) NULL,
+    answer_text TEXT NULL,
+    explanation TEXT NULL,
+    sort_order INTEGER NOT NULL DEFAULT 0,
+    points INTEGER NOT NULL DEFAULT 1,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+)`,
+				`CREATE INDEX golem15_quizzes_questions_quiz_id_index ON golem15_quizzes_questions (quiz_id, sort_order)`,
+				`CREATE INDEX golem15_quizzes_questions_category_index ON golem15_quizzes_questions (category)`,
+				`CREATE TABLE golem15_quizzes_answers (
+    id BIGSERIAL PRIMARY KEY,
+    question_id BIGINT NOT NULL REFERENCES golem15_quizzes_questions (id) ON DELETE CASCADE,
+    text TEXT NOT NULL,
+    is_correct BOOLEAN NOT NULL DEFAULT FALSE,
+    explanation TEXT NULL,
+    sort_order INTEGER NOT NULL DEFAULT 0,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+)`,
+				`CREATE INDEX golem15_quizzes_answers_question_id_index ON golem15_quizzes_answers (question_id, sort_order)`,
+				`CREATE TABLE golem15_quizzes_attempts (
+    id BIGSERIAL PRIMARY KEY,
+    quiz_id BIGINT NOT NULL REFERENCES golem15_quizzes_quizzes (id) ON DELETE CASCADE,
+    user_id INTEGER NOT NULL REFERENCES users (id) ON DELETE CASCADE,
+    started_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    completed_at TIMESTAMPTZ NULL,
+    score_points DOUBLE PRECISION NOT NULL DEFAULT 0,
+    max_points INTEGER NOT NULL DEFAULT 0,
+    score_percent DOUBLE PRECISION NULL,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+)`,
+				`CREATE INDEX golem15_quizzes_attempts_user_id_index ON golem15_quizzes_attempts (user_id, quiz_id)`,
+				`CREATE INDEX golem15_quizzes_attempts_quiz_id_index ON golem15_quizzes_attempts (quiz_id)`,
+				`CREATE TABLE golem15_quizzes_attempt_answers (
+    id BIGSERIAL PRIMARY KEY,
+    attempt_id BIGINT NOT NULL REFERENCES golem15_quizzes_attempts (id) ON DELETE CASCADE,
+    question_id BIGINT NOT NULL REFERENCES golem15_quizzes_questions (id) ON DELETE CASCADE,
+    answer_ids JSONB NULL,
+    self_check_known BOOLEAN NULL,
+    is_correct BOOLEAN NOT NULL DEFAULT FALSE,
+    points DOUBLE PRECISION NOT NULL DEFAULT 0,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    CONSTRAINT golem15_quizzes_attempt_answers_attempt_question_unique UNIQUE (attempt_id, question_id)
+)`,
+				`CREATE INDEX golem15_quizzes_attempt_answers_question_id_index ON golem15_quizzes_attempt_answers (question_id)`,
+			} {
+				if err := tx.Exec(stmt).Error; err != nil {
+					return err
+				}
+			}
+			return nil
+		},
+		Rollback: func(tx *gorm.DB) error {
+			return tx.Exec(`DROP TABLE IF EXISTS golem15_quizzes_attempt_answers, golem15_quizzes_attempts, golem15_quizzes_answers, golem15_quizzes_questions, golem15_quizzes_quizzes`).Error
+		},
+	}
+}