added more structure to submodules

db/migrations/000033_sub_module_lessons_teaching_content.down.sql

@@ -0,0 +1,18 @@
+-- Restores legacy lesson columns. Rows will have NULL question_set_id until repopulated.
+
+ALTER TABLE sub_module_lessons
+    ADD COLUMN IF NOT EXISTS question_set_id BIGINT REFERENCES question_sets(id) ON DELETE CASCADE,
+    ADD COLUMN IF NOT EXISTS intro_video_url TEXT;
+
+UPDATE sub_module_lessons
+SET intro_video_url = teaching_video_url
+WHERE teaching_video_url IS NOT NULL;
+
+ALTER TABLE sub_module_lessons
+    DROP COLUMN IF EXISTS title,
+    DROP COLUMN IF EXISTS description,
+    DROP COLUMN IF EXISTS thumbnail,
+    DROP COLUMN IF EXISTS teaching_text,
+    DROP COLUMN IF EXISTS teaching_image_url,
+    DROP COLUMN IF EXISTS teaching_audio_url,
+    DROP COLUMN IF EXISTS teaching_video_url;

db/migrations/000033_sub_module_lessons_teaching_content.up.sql

@@ -0,0 +1,37 @@
+-- Lessons are teaching content only (text, images, audio, video, thumbnail).
+-- Question sets remain linked to practices, not lessons.
+
+ALTER TABLE sub_module_lessons
+    ADD COLUMN IF NOT EXISTS title VARCHAR(255),
+    ADD COLUMN IF NOT EXISTS description TEXT,
+    ADD COLUMN IF NOT EXISTS thumbnail TEXT,
+    ADD COLUMN IF NOT EXISTS teaching_text TEXT,
+    ADD COLUMN IF NOT EXISTS teaching_image_url TEXT,
+    ADD COLUMN IF NOT EXISTS teaching_audio_url TEXT,
+    ADD COLUMN IF NOT EXISTS teaching_video_url TEXT;
+
+UPDATE sub_module_lessons sml
+SET
+    title = qs.title,
+    description = qs.description
+FROM question_sets qs
+WHERE sml.question_set_id IS NOT NULL
+  AND qs.id = sml.question_set_id;
+
+UPDATE sub_module_lessons
+SET title = 'Lesson'
+WHERE title IS NULL OR trim(title) = '';
+
+UPDATE sub_module_lessons
+SET teaching_video_url = intro_video_url
+WHERE intro_video_url IS NOT NULL;
+
+ALTER TABLE sub_module_lessons DROP CONSTRAINT IF EXISTS sub_module_lessons_question_set_id_fkey;
+ALTER TABLE sub_module_lessons DROP CONSTRAINT IF EXISTS sub_module_lessons_question_set_id_key;
+
+ALTER TABLE sub_module_lessons DROP COLUMN IF EXISTS question_set_id;
+ALTER TABLE sub_module_lessons DROP COLUMN IF EXISTS intro_video_url;
+
+ALTER TABLE sub_module_lessons
+    ALTER COLUMN title SET NOT NULL,
+    ALTER COLUMN title SET DEFAULT 'Lesson';

db/migrations/000034_levels_title_description_thumbnail.down.sql

@@ -0,0 +1,4 @@
+ALTER TABLE levels
+    DROP COLUMN IF EXISTS title,
+    DROP COLUMN IF EXISTS description,
+    DROP COLUMN IF EXISTS thumbnail;

db/migrations/000034_levels_title_description_thumbnail.up.sql

@@ -0,0 +1,11 @@
+ALTER TABLE levels
+    ADD COLUMN IF NOT EXISTS title VARCHAR(255),
+    ADD COLUMN IF NOT EXISTS description TEXT,
+    ADD COLUMN IF NOT EXISTS thumbnail TEXT;
+
+UPDATE levels
+SET title = cefr_level
+WHERE title IS NULL OR trim(title) = '';
+
+ALTER TABLE levels
+    ALTER COLUMN title SET NOT NULL;

db/migrations/000035_sub_module_capstones.down.sql

@@ -0,0 +1,12 @@
+DROP INDEX IF EXISTS idx_sub_module_capstones_sub_module_id;
+DROP TABLE IF EXISTS sub_module_capstones;
+
+ALTER TABLE question_sets DROP CONSTRAINT IF EXISTS question_sets_set_type_check;
+ALTER TABLE question_sets ADD CONSTRAINT question_sets_set_type_check
+    CHECK (set_type IN (
+        'PRACTICE',
+        'INITIAL_ASSESSMENT',
+        'QUIZ',
+        'EXAM',
+        'SURVEY'
+    ));

db/migrations/000035_sub_module_capstones.up.sql

@@ -0,0 +1,29 @@
+-- Capstone assessments: sub-module scoped, backed by question_sets (type CAPSTONE).
+
+ALTER TABLE question_sets DROP CONSTRAINT IF EXISTS question_sets_set_type_check;
+ALTER TABLE question_sets ADD CONSTRAINT question_sets_set_type_check
+    CHECK (set_type IN (
+        'PRACTICE',
+        'INITIAL_ASSESSMENT',
+        'QUIZ',
+        'EXAM',
+        'SURVEY',
+        'CAPSTONE'
+    ));
+
+CREATE TABLE IF NOT EXISTS sub_module_capstones (
+    id BIGSERIAL PRIMARY KEY,
+    sub_module_id BIGINT NOT NULL REFERENCES sub_modules(id) ON DELETE CASCADE,
+    title VARCHAR(255) NOT NULL,
+    description TEXT,
+    tips TEXT,
+    thumbnail TEXT,
+    question_set_id BIGINT NOT NULL REFERENCES question_sets(id) ON DELETE CASCADE,
+    display_order INT NOT NULL DEFAULT 0,
+    is_active BOOLEAN NOT NULL DEFAULT TRUE,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    UNIQUE (question_set_id)
+);
+
+CREATE INDEX IF NOT EXISTS idx_sub_module_capstones_sub_module_id
+    ON sub_module_capstones (sub_module_id);

db/migrations/000036_module_icon_and_module_capstones.down.sql

@@ -0,0 +1,4 @@
+DROP INDEX IF EXISTS idx_module_capstones_module_id;
+DROP TABLE IF EXISTS module_capstones;
+
+ALTER TABLE modules DROP COLUMN IF EXISTS icon_url;

db/migrations/000036_module_icon_and_module_capstones.up.sql

@@ -0,0 +1,19 @@
+ALTER TABLE modules
+    ADD COLUMN IF NOT EXISTS icon_url TEXT;
+
+CREATE TABLE IF NOT EXISTS module_capstones (
+    id BIGSERIAL PRIMARY KEY,
+    module_id BIGINT NOT NULL REFERENCES modules(id) ON DELETE CASCADE,
+    title VARCHAR(255) NOT NULL,
+    description TEXT,
+    tips TEXT,
+    thumbnail TEXT,
+    question_set_id BIGINT NOT NULL REFERENCES question_sets(id) ON DELETE CASCADE,
+    display_order INT NOT NULL DEFAULT 0,
+    is_active BOOLEAN NOT NULL DEFAULT TRUE,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    UNIQUE (question_set_id)
+);
+
+CREATE INDEX IF NOT EXISTS idx_module_capstones_module_id
+    ON module_capstones (module_id);

db/migrations/000037_sub_modules_thumbnail_tips.down.sql

@@ -0,0 +1,3 @@
+ALTER TABLE sub_modules
+    DROP COLUMN IF EXISTS tips,
+    DROP COLUMN IF EXISTS thumbnail;

db/migrations/000037_sub_modules_thumbnail_tips.up.sql

@@ -0,0 +1,3 @@
+ALTER TABLE sub_modules
+    ADD COLUMN IF NOT EXISTS thumbnail TEXT,
+    ADD COLUMN IF NOT EXISTS tips TEXT;

db/query/hierarchy.sql

@@ -83,43 +83,17 @@ WHERE sub_module_id = $1
 ORDER BY display_order ASC, id ASC;
 
 -- name: GetSubModuleLessons :many
-SELECT
-    smp.id,
-    smp.sub_module_id,
-    smp.question_set_id,
-    smp.intro_video_url,
-    smp.display_order,
-    smp.is_active,
-    qs.title,
-    qs.description,
-    qs.status,
-    qs.set_type,
-    (SELECT COUNT(*) FROM question_set_items qsi WHERE qsi.set_id = qs.id) AS question_count
-FROM sub_module_lessons smp
-JOIN question_sets qs ON qs.id = smp.question_set_id
-WHERE smp.sub_module_id = $1
-  AND smp.is_active = TRUE
-  AND qs.set_type = 'QUIZ'
-ORDER BY smp.display_order ASC, smp.id ASC;
+SELECT *
+FROM sub_module_lessons
+WHERE sub_module_id = $1
+  AND is_active = TRUE
+ORDER BY display_order ASC, id ASC;
 
 -- name: GetSubModuleLessonByID :one
-SELECT
-    smp.id,
-    smp.sub_module_id,
-    smp.question_set_id,
-    smp.intro_video_url,
-    smp.display_order,
-    smp.is_active,
-    qs.title,
-    qs.description,
-    qs.status,
-    qs.set_type,
-    (SELECT COUNT(*) FROM question_set_items qsi WHERE qsi.set_id = qs.id) AS question_count
-FROM sub_module_lessons smp
-JOIN question_sets qs ON qs.id = smp.question_set_id
-WHERE smp.id = $1
-  AND smp.is_active = TRUE
-  AND qs.set_type = 'QUIZ';
+SELECT *
+FROM sub_module_lessons
+WHERE id = $1
+  AND is_active = TRUE;
 
 -- name: GetSubModulePractices :many
 SELECT
@@ -162,16 +136,71 @@ WHERE smp.id = $1
   AND smp.is_active = TRUE
   AND qs.set_type = 'PRACTICE';
 
+-- name: GetSubModuleCapstones :many
+SELECT
+    smc.id,
+    smc.sub_module_id,
+    smc.title,
+    smc.description,
+    smc.tips,
+    smc.thumbnail,
+    smc.question_set_id,
+    smc.display_order,
+    smc.is_active,
+    qs.status,
+    qs.set_type,
+    qs.time_limit_minutes,
+    qs.passing_score,
+    qs.shuffle_questions,
+    (SELECT COUNT(*) FROM question_set_items qsi WHERE qsi.set_id = qs.id) AS question_count
+FROM sub_module_capstones smc
+JOIN question_sets qs ON qs.id = smc.question_set_id
+WHERE smc.sub_module_id = $1
+  AND smc.is_active = TRUE
+  AND qs.set_type = 'CAPSTONE'
+ORDER BY smc.display_order ASC, smc.id ASC;
+
+-- name: GetSubModuleCapstoneByID :one
+SELECT
+    smc.id,
+    smc.sub_module_id,
+    smc.title,
+    smc.description,
+    smc.tips,
+    smc.thumbnail,
+    smc.question_set_id,
+    smc.display_order,
+    smc.is_active,
+    qs.status,
+    qs.set_type,
+    qs.time_limit_minutes,
+    qs.passing_score,
+    qs.shuffle_questions,
+    (SELECT COUNT(*) FROM question_set_items qsi WHERE qsi.set_id = qs.id) AS question_count
+FROM sub_module_capstones smc
+JOIN question_sets qs ON qs.id = smc.question_set_id
+WHERE smc.id = $1
+  AND smc.is_active = TRUE
+  AND qs.set_type = 'CAPSTONE';
+
 -- name: GetFullHierarchyByCourseID :many
 SELECT
     c.id AS course_id,
     c.title AS course_title,
     l.id AS level_id,
     l.cefr_level,
+    l.title AS level_title,
+    l.description AS level_description,
+    l.thumbnail AS level_thumbnail,
     m.id AS module_id,
     m.title AS module_title,
+    m.icon_url AS module_icon_url,
     sm.id AS sub_module_id,
-    sm.title AS sub_module_title
+    sm.title AS sub_module_title,
+    sm.description AS sub_module_description,
+    sm.thumbnail AS sub_module_thumbnail,
+    sm.tips AS sub_module_tips,
+    sm.display_order AS sub_module_display_order
 FROM courses c
 LEFT JOIN levels l ON l.course_id = c.id AND l.is_active = TRUE
 LEFT JOIN modules m ON m.level_id = l.id AND m.is_active = TRUE
@@ -232,10 +261,24 @@ OFFSET sqlc.narg('offset')::INT;
 INSERT INTO levels (
     course_id,
     cefr_level,
+    title,
+    description,
+    thumbnail,
     display_order,
     is_active
 )
-VALUES ($1, $2, COALESCE($3, 0), COALESCE($4, TRUE))
+VALUES ($1, $2, $3, $4, $5, COALESCE($6, 0), COALESCE($7, TRUE))
+RETURNING *;
+
+-- name: UpdateLevel :one
+UPDATE levels
+SET
+    title = $1,
+    description = $2,
+    thumbnail = $3,
+    display_order = $4,
+    is_active = $5
+WHERE id = $6
 RETURNING *;
 
 -- name: CreateModule :one
@@ -243,10 +286,22 @@ INSERT INTO modules (
     level_id,
     title,
     description,
+    icon_url,
     display_order,
     is_active
 )
-VALUES ($1, $2, $3, COALESCE($4, 0), COALESCE($5, TRUE))
+VALUES ($1, $2, $3, $4, COALESCE($5, 0), COALESCE($6, TRUE))
+RETURNING *;
+
+-- name: UpdateModule :one
+UPDATE modules
+SET
+    title = $1,
+    description = $2,
+    icon_url = $3,
+    display_order = $4,
+    is_active = $5
+WHERE id = $6
 RETURNING *;
 
 -- name: CreateSubModule :one
@@ -254,10 +309,24 @@ INSERT INTO sub_modules (
     module_id,
     title,
     description,
+    thumbnail,
+    tips,
     display_order,
     is_active
 )
-VALUES ($1, $2, $3, COALESCE($4, 0), COALESCE($5, TRUE))
+VALUES ($1, $2, $3, $4, $5, COALESCE($6, 0), COALESCE($7, TRUE))
+RETURNING *;
+
+-- name: UpdateSubModule :one
+UPDATE sub_modules
+SET
+    title = $1,
+    description = $2,
+    thumbnail = $3,
+    tips = $4,
+    display_order = $5,
+    is_active = $6
+WHERE id = $7
 RETURNING *;
 
 -- name: CreateSubModuleVideo :one
@@ -289,26 +358,47 @@ VALUES (
 )
 RETURNING *;
 
--- name: AttachQuestionSetLessonToSubModule :one
+-- name: CreateSubModuleLesson :one
 INSERT INTO sub_module_lessons (
     sub_module_id,
-    question_set_id,
-    intro_video_url,
+    title,
+    description,
+    thumbnail,
+    teaching_text,
+    teaching_image_url,
+    teaching_audio_url,
+    teaching_video_url,
     display_order,
     is_active
 )
-VALUES ($1, $2, $3, COALESCE($4, 0), COALESCE($5, TRUE))
+VALUES (
+    $1,
+    $2,
+    $3,
+    $4,
+    $5,
+    $6,
+    $7,
+    $8,
+    COALESCE($9, 0),
+    COALESCE($10, TRUE)
+)
 RETURNING *;
 
 -- name: UpdateSubModuleLesson :one
 UPDATE sub_module_lessons
 SET
     sub_module_id = $1,
-    question_set_id = $2,
-    intro_video_url = $3,
-    display_order = $4,
-    is_active = $5
-WHERE id = $6
+    title = $2,
+    description = $3,
+    thumbnail = $4,
+    teaching_text = $5,
+    teaching_image_url = $6,
+    teaching_audio_url = $7,
+    teaching_video_url = $8,
+    display_order = $9,
+    is_active = $10
+WHERE id = $11
 RETURNING *;
 
 -- name: CreateSubModulePractice :one
@@ -325,3 +415,102 @@ INSERT INTO sub_module_practices (
 VALUES ($1, $2, $3, $4, $5, $6, COALESCE($7, 0), COALESCE($8, TRUE))
 RETURNING *;
 
+-- name: CreateSubModuleCapstone :one
+INSERT INTO sub_module_capstones (
+    sub_module_id,
+    title,
+    description,
+    tips,
+    thumbnail,
+    question_set_id,
+    display_order,
+    is_active
+)
+VALUES ($1, $2, $3, $4, $5, $6, COALESCE($7, 0), COALESCE($8, TRUE))
+RETURNING *;
+
+-- name: UpdateSubModuleCapstone :one
+UPDATE sub_module_capstones
+SET
+    title = $1,
+    description = $2,
+    tips = $3,
+    thumbnail = $4,
+    display_order = $5,
+    is_active = $6
+WHERE id = $7
+RETURNING *;
+
+-- name: GetModuleCapstones :many
+SELECT
+    mc.id,
+    mc.module_id,
+    mc.title,
+    mc.description,
+    mc.tips,
+    mc.thumbnail,
+    mc.question_set_id,
+    mc.display_order,
+    mc.is_active,
+    qs.status,
+    qs.set_type,
+    qs.time_limit_minutes,
+    qs.passing_score,
+    qs.shuffle_questions,
+    (SELECT COUNT(*) FROM question_set_items qsi WHERE qsi.set_id = qs.id) AS question_count
+FROM module_capstones mc
+JOIN question_sets qs ON qs.id = mc.question_set_id
+WHERE mc.module_id = $1
+  AND mc.is_active = TRUE
+  AND qs.set_type = 'CAPSTONE'
+ORDER BY mc.display_order ASC, mc.id ASC;
+
+-- name: GetModuleCapstoneByID :one
+SELECT
+    mc.id,
+    mc.module_id,
+    mc.title,
+    mc.description,
+    mc.tips,
+    mc.thumbnail,
+    mc.question_set_id,
+    mc.display_order,
+    mc.is_active,
+    qs.status,
+    qs.set_type,
+    qs.time_limit_minutes,
+    qs.passing_score,
+    qs.shuffle_questions,
+    (SELECT COUNT(*) FROM question_set_items qsi WHERE qsi.set_id = qs.id) AS question_count
+FROM module_capstones mc
+JOIN question_sets qs ON qs.id = mc.question_set_id
+WHERE mc.id = $1
+  AND mc.is_active = TRUE
+  AND qs.set_type = 'CAPSTONE';
+
+-- name: CreateModuleCapstone :one
+INSERT INTO module_capstones (
+    module_id,
+    title,
+    description,
+    tips,
+    thumbnail,
+    question_set_id,
+    display_order,
+    is_active
+)
+VALUES ($1, $2, $3, $4, $5, $6, COALESCE($7, 0), COALESCE($8, TRUE))
+RETURNING *;
+
+-- name: UpdateModuleCapstone :one
+UPDATE module_capstones
+SET
+    title = $1,
+    description = $2,
+    tips = $3,
+    thumbnail = $4,
+    display_order = $5,
+    is_active = $6
+WHERE id = $7
+RETURNING *;
+

gen/db/compat_course_management.go

@@ -8,7 +8,7 @@ import (
 
 func (q *Queries) GetSubModuleByIDCompat(ctx context.Context, id int64) (SubModule, error) {
 	row := q.db.QueryRow(ctx, `
-SELECT id, module_id, title, description, display_order, is_active, created_at, legacy_sub_course_id
+SELECT id, module_id, title, description, display_order, is_active, created_at, legacy_sub_course_id, thumbnail, tips
 FROM sub_modules
 WHERE id = $1
 `, id)
@@ -22,19 +22,24 @@ WHERE id = $1
 		&i.IsActive,
 		&i.CreatedAt,
 		&i.LegacySubCourseID,
+		&i.Thumbnail,
+		&i.Tips,
 	)
 	return i, err
 }
 
-func (q *Queries) UpdateSubModuleCompat(ctx context.Context, id int64, title string, description string, isActive bool) error {
+func (q *Queries) UpdateSubModuleCompat(ctx context.Context, id int64, title string, description string, thumbnail string, tips string, displayOrder int32, isActive bool) error {
 	_, err := q.db.Exec(ctx, `
 UPDATE sub_modules
 SET
     title = $1,
     description = NULLIF($2, ''),
-    is_active = $3
-WHERE id = $4
-`, title, description, isActive, id)
+    thumbnail = NULLIF($3, ''),
+    tips = NULLIF($4, ''),
+    display_order = $5,
+    is_active = $6
+WHERE id = $7
+`, title, description, thumbnail, tips, displayOrder, isActive, id)
 	return err
 }
 
@@ -119,6 +124,24 @@ func (q *Queries) DeletePracticeCompat(ctx context.Context, id int64) error {
 	return err
 }
 
+// DeleteCapstoneCompat removes the backing question set (and cascades sub_module_capstones).
+func (q *Queries) DeleteCapstoneCompat(ctx context.Context, capstoneID int64) error {
+	_, err := q.db.Exec(ctx, `
+DELETE FROM question_sets
+WHERE id = (SELECT question_set_id FROM sub_module_capstones WHERE id = $1)
+`, capstoneID)
+	return err
+}
+
+// DeleteModuleCapstoneCompat removes the backing question set (and cascades module_capstones).
+func (q *Queries) DeleteModuleCapstoneCompat(ctx context.Context, capstoneID int64) error {
+	_, err := q.db.Exec(ctx, `
+DELETE FROM question_sets
+WHERE id = (SELECT question_set_id FROM module_capstones WHERE id = $1)
+`, capstoneID)
+	return err
+}
+
 func (q *Queries) CreateCourseCompat(
 	ctx context.Context,
 	categoryID int64,

gen/db/models.go

@@ -76,6 +76,9 @@ type Level struct {
 	DisplayOrder int32              `json:"display_order"`
 	IsActive     bool               `json:"is_active"`
 	CreatedAt    pgtype.Timestamptz `json:"created_at"`
+	Title        string             `json:"title"`
+	Description  pgtype.Text        `json:"description"`
+	Thumbnail    pgtype.Text        `json:"thumbnail"`
 }
 
 type LevelToSubCourse struct {
@@ -91,6 +94,20 @@ type Module struct {
 	DisplayOrder int32              `json:"display_order"`
 	IsActive     bool               `json:"is_active"`
 	CreatedAt    pgtype.Timestamptz `json:"created_at"`
+	IconUrl      pgtype.Text        `json:"icon_url"`
+}
+
+type ModuleCapstone struct {
+	ID            int64              `json:"id"`
+	ModuleID      int64              `json:"module_id"`
+	Title         string             `json:"title"`
+	Description   pgtype.Text        `json:"description"`
+	Tips          pgtype.Text        `json:"tips"`
+	Thumbnail     pgtype.Text        `json:"thumbnail"`
+	QuestionSetID int64              `json:"question_set_id"`
+	DisplayOrder  int32              `json:"display_order"`
+	IsActive      bool               `json:"is_active"`
+	CreatedAt     pgtype.Timestamptz `json:"created_at"`
 }
 
 type ModuleToSubCourse struct {
@@ -353,18 +370,38 @@ type SubModule struct {
 	IsActive          bool               `json:"is_active"`
 	CreatedAt         pgtype.Timestamptz `json:"created_at"`
 	LegacySubCourseID pgtype.Int8        `json:"legacy_sub_course_id"`
+	Thumbnail         pgtype.Text        `json:"thumbnail"`
+	Tips              pgtype.Text        `json:"tips"`
 }
 
-type SubModuleLesson struct {
+type SubModuleCapstone struct {
 	ID            int64              `json:"id"`
 	SubModuleID   int64              `json:"sub_module_id"`
+	Title         string             `json:"title"`
+	Description   pgtype.Text        `json:"description"`
+	Tips          pgtype.Text        `json:"tips"`
+	Thumbnail     pgtype.Text        `json:"thumbnail"`
 	QuestionSetID int64              `json:"question_set_id"`
-	IntroVideoUrl pgtype.Text        `json:"intro_video_url"`
 	DisplayOrder  int32              `json:"display_order"`
 	IsActive      bool               `json:"is_active"`
 	CreatedAt     pgtype.Timestamptz `json:"created_at"`
 }
 
+type SubModuleLesson struct {
+	ID               int64              `json:"id"`
+	SubModuleID      int64              `json:"sub_module_id"`
+	DisplayOrder     int32              `json:"display_order"`
+	IsActive         bool               `json:"is_active"`
+	CreatedAt        pgtype.Timestamptz `json:"created_at"`
+	Title            string             `json:"title"`
+	Description      pgtype.Text        `json:"description"`
+	Thumbnail        pgtype.Text        `json:"thumbnail"`
+	TeachingText     pgtype.Text        `json:"teaching_text"`
+	TeachingImageUrl pgtype.Text        `json:"teaching_image_url"`
+	TeachingAudioUrl pgtype.Text        `json:"teaching_audio_url"`
+	TeachingVideoUrl pgtype.Text        `json:"teaching_video_url"`
+}
+
 type SubModulePractice struct {
 	ID            int64              `json:"id"`
 	SubModuleID   int64              `json:"sub_module_id"`

internal/domain/course_management.go

@@ -146,6 +146,7 @@ type LearningPathSubCourse struct {
 	Title             string                     `json:"title"`
 	Description       *string                    `json:"description,omitempty"`
 	Thumbnail         *string                    `json:"thumbnail,omitempty"`
+	Tips              *string                    `json:"tips,omitempty"`
 	DisplayOrder      int32                      `json:"display_order"`
 	Level             string                     `json:"level"`
 	SubLevel          string                     `json:"sub_level"`

internal/domain/questions.go

@@ -27,6 +27,7 @@ const (
 	QuestionSetTypeQuiz              QuestionSetType = "QUIZ"
 	QuestionSetTypeExam              QuestionSetType = "EXAM"
 	QuestionSetTypeSurvey            QuestionSetType = "SURVEY"
+	QuestionSetTypeCapstone          QuestionSetType = "CAPSTONE"
 )
 
 type PracticeAccessBlock struct {

internal/web_server/handlers/questions.go

@@ -515,7 +515,7 @@ func (h *Handler) DeleteQuestion(c *fiber.Ctx) error {
 type createQuestionSetReq struct {
 	Title            string  `json:"title" validate:"required"`
 	Description      *string `json:"description"`
-	SetType          string  `json:"set_type" validate:"required,oneof=PRACTICE INITIAL_ASSESSMENT QUIZ EXAM SURVEY"`
+	SetType          string  `json:"set_type" validate:"required,oneof=PRACTICE INITIAL_ASSESSMENT QUIZ EXAM SURVEY CAPSTONE"`
 	OwnerType        *string `json:"owner_type"`
 	OwnerID          *int64  `json:"owner_id"`
 	BannerImage      *string `json:"banner_image"`
@@ -791,7 +791,7 @@ func (h *Handler) GetQuestionSetByID(c *fiber.Ctx) error {
 // @Description Returns a paginated list of question sets filtered by type
 // @Tags question-sets
 // @Produce json
-// @Param set_type query string true "Set type (PRACTICE, INITIAL_ASSESSMENT, QUIZ, EXAM, SURVEY)"
+// @Param set_type query string true "Set type (PRACTICE, INITIAL_ASSESSMENT, QUIZ, EXAM, SURVEY, CAPSTONE)"
 // @Param limit query int false "Limit" default(10)
 // @Param offset query int false "Offset" default(0)
 // @Success 200 {object} domain.Response

internal/web_server/routes.go

@@ -108,7 +108,9 @@ func (a *App) initAppRoutes() {
 	groupV1.Post("/course-management/sub-categories", a.authMiddleware, a.RequirePermission("course_categories.create"), h.CreateCourseSubCategory)
 	groupV1.Delete("/course-management/sub-categories/:subCategoryId", a.authMiddleware, a.RequirePermission("course_categories.delete"), h.DeleteCourseSubCategory)
 	groupV1.Post("/course-management/levels", a.authMiddleware, a.RequirePermission("subcourses.create"), h.CreateLevel)
+	groupV1.Put("/course-management/levels/:levelId", a.authMiddleware, a.RequirePermission("subcourses.update"), h.UpdateLevel)
 	groupV1.Post("/course-management/modules", a.authMiddleware, a.RequirePermission("subcourses.create"), h.CreateModule)
+	groupV1.Put("/course-management/modules/:moduleId", a.authMiddleware, a.RequirePermission("subcourses.update"), h.UpdateModule)
 	groupV1.Delete("/course-management/modules/:moduleId", a.authMiddleware, a.RequirePermission("subcourses.delete"), h.DeleteModule)
 	groupV1.Post("/course-management/sub-modules", a.authMiddleware, a.RequirePermission("subcourses.create"), h.CreateSubModule)
 	groupV1.Put("/course-management/sub-modules/:subModuleId", a.authMiddleware, a.RequirePermission("subcourses.update"), h.UpdateSubModule)
@@ -116,15 +118,25 @@ func (a *App) initAppRoutes() {
 	groupV1.Post("/course-management/sub-module-videos", a.authMiddleware, a.RequirePermission("videos.create"), h.CreateSubModuleVideo)
 	groupV1.Put("/course-management/sub-module-videos/:videoId", a.authMiddleware, a.RequirePermission("videos.update"), h.UpdateSubModuleVideo)
 	groupV1.Delete("/course-management/sub-module-videos/:videoId", a.authMiddleware, a.RequirePermission("videos.delete"), h.DeleteSubModuleVideo)
-	groupV1.Get("/course-management/sub-modules/:subModuleId/lessons", a.authMiddleware, a.RequirePermission("question_sets.list"), h.GetSubModuleLessons)
-	groupV1.Get("/course-management/sub-module-lessons/:lessonId", a.authMiddleware, a.RequirePermission("question_sets.get"), h.GetSubModuleLessonByID)
-	groupV1.Put("/course-management/sub-module-lessons/:lessonId", a.authMiddleware, a.RequirePermission("question_sets.update"), h.UpdateSubModuleLesson)
-	groupV1.Post("/course-management/sub-module-lessons", a.authMiddleware, a.RequirePermission("question_sets.update"), h.AttachSubModuleLesson)
+	groupV1.Get("/course-management/sub-modules/:subModuleId/lessons", a.authMiddleware, a.RequirePermission("learning_tree.get"), h.GetSubModuleLessons)
+	groupV1.Get("/course-management/sub-module-lessons/:lessonId", a.authMiddleware, a.RequirePermission("learning_tree.get"), h.GetSubModuleLessonByID)
+	groupV1.Put("/course-management/sub-module-lessons/:lessonId", a.authMiddleware, a.RequirePermission("subcourses.update"), h.UpdateSubModuleLesson)
+	groupV1.Post("/course-management/sub-module-lessons", a.authMiddleware, a.RequirePermission("subcourses.create"), h.CreateSubModuleLesson)
 	groupV1.Get("/course-management/sub-modules/:subModuleId/practices", a.authMiddleware, a.RequirePermission("question_sets.list"), h.GetSubModulePractices)
 	groupV1.Get("/course-management/practices/:practiceId", a.authMiddleware, a.RequirePermission("question_sets.get"), h.GetSubModulePracticeByID)
 	groupV1.Post("/course-management/sub-module-practices", a.authMiddleware, a.RequirePermission("question_sets.update"), h.CreateSubModulePractice)
 	groupV1.Put("/course-management/practices/:practiceId", a.authMiddleware, a.RequirePermission("question_sets.update"), h.UpdatePractice)
 	groupV1.Delete("/course-management/practices/:practiceId", a.authMiddleware, a.RequirePermission("question_sets.delete"), h.DeletePractice)
+	groupV1.Get("/course-management/sub-modules/:subModuleId/capstones", a.authMiddleware, a.RequirePermission("question_sets.list"), h.GetSubModuleCapstones)
+	groupV1.Get("/course-management/capstones/:capstoneId", a.authMiddleware, a.RequirePermission("question_sets.get"), h.GetSubModuleCapstoneByID)
+	groupV1.Post("/course-management/sub-module-capstones", a.authMiddleware, a.RequirePermission("question_sets.update"), h.CreateSubModuleCapstone)
+	groupV1.Put("/course-management/capstones/:capstoneId", a.authMiddleware, a.RequirePermission("question_sets.update"), h.UpdateSubModuleCapstone)
+	groupV1.Delete("/course-management/capstones/:capstoneId", a.authMiddleware, a.RequirePermission("question_sets.delete"), h.DeleteCapstone)
+	groupV1.Get("/course-management/modules/:moduleId/capstones", a.authMiddleware, a.RequirePermission("question_sets.list"), h.GetModuleCapstones)
+	groupV1.Get("/course-management/module-capstones/:moduleCapstoneId", a.authMiddleware, a.RequirePermission("question_sets.get"), h.GetModuleCapstoneByID)
+	groupV1.Post("/course-management/module-capstones", a.authMiddleware, a.RequirePermission("question_sets.update"), h.CreateModuleCapstone)
+	groupV1.Put("/course-management/module-capstones/:moduleCapstoneId", a.authMiddleware, a.RequirePermission("question_sets.update"), h.UpdateModuleCapstone)
+	groupV1.Delete("/course-management/module-capstones/:moduleCapstoneId", a.authMiddleware, a.RequirePermission("question_sets.delete"), h.DeleteModuleCapstone)
 
 	// Questions
 	groupV1.Post("/questions", a.authMiddleware, a.RequirePermission("questions.create"), h.CreateQuestion)