Fix analytics dashboard course counts for LMS and exam_prep hierarchies.

Replace stub AnalyticsCourseCounts query and expose lms / exam_prep inventory in the courses section.

Co-authored-by: Cursor <cursoragent@cursor.com>

db/query/analytics.sql

@@ -209,13 +209,34 @@ ORDER BY d.date;
 -- =====================
 -- Course Analytics
 -- =====================
+-- LMS: programs -> courses -> modules -> lessons; lms_practices attach to course, module, or lesson.
+-- Exam prep: exam_prep.catalog_courses -> units -> unit_modules -> unit_module_lessons; exam_prep.lesson_practices.
+-- Legacy dashboard fields map to: programs, courses, modules, and video-bearing lessons (LMS + exam prep).
 
 -- name: AnalyticsCourseCounts :one
 SELECT
-    0::bigint AS total_categories,
+    (SELECT COUNT(*)::bigint FROM programs) AS total_categories,
-    0::bigint AS total_courses,
+    (SELECT COUNT(*)::bigint FROM courses) AS total_courses,
-    0::bigint AS total_sub_courses,
+    (SELECT COUNT(*)::bigint FROM modules) AS total_sub_courses,
-    0::bigint AS total_videos;
+    (
+        COALESCE((SELECT COUNT(*)::bigint FROM lessons WHERE NULLIF(BTRIM(video_url), '') IS NOT NULL), 0::bigint)
+        + COALESCE((SELECT COUNT(*)::bigint FROM exam_prep.unit_module_lessons WHERE NULLIF(BTRIM(video_url), '') IS NOT NULL), 0::bigint)
+    )::bigint AS total_videos,
+    (SELECT COUNT(*)::bigint FROM programs) AS lms_programs,
+    (SELECT COUNT(*)::bigint FROM courses) AS lms_courses,
+    (SELECT COUNT(*)::bigint FROM modules) AS lms_modules,
+    (SELECT COUNT(*)::bigint FROM lessons) AS lms_lessons,
+    (SELECT COUNT(*)::bigint FROM lessons WHERE NULLIF(BTRIM(video_url), '') IS NOT NULL) AS lms_lessons_with_video,
+    (SELECT COUNT(*)::bigint FROM lms_practices) AS lms_practices,
+    (SELECT COUNT(*)::bigint FROM lms_practices WHERE course_id IS NOT NULL) AS lms_practices_at_course,
+    (SELECT COUNT(*)::bigint FROM lms_practices WHERE module_id IS NOT NULL) AS lms_practices_at_module,
+    (SELECT COUNT(*)::bigint FROM lms_practices WHERE lesson_id IS NOT NULL) AS lms_practices_at_lesson,
+    (SELECT COUNT(*)::bigint FROM exam_prep.catalog_courses) AS exam_prep_catalog_courses,
+    (SELECT COUNT(*)::bigint FROM exam_prep.units) AS exam_prep_units,
+    (SELECT COUNT(*)::bigint FROM exam_prep.unit_modules) AS exam_prep_unit_modules,
+    (SELECT COUNT(*)::bigint FROM exam_prep.unit_module_lessons) AS exam_prep_lessons,
+    (SELECT COUNT(*)::bigint FROM exam_prep.unit_module_lessons WHERE NULLIF(BTRIM(video_url), '') IS NOT NULL) AS exam_prep_lessons_with_video,
+    (SELECT COUNT(*)::bigint FROM exam_prep.lesson_practices) AS exam_prep_lesson_practices;
 
 -- =====================
 -- Content Analytics

docs/docs.go

@@ -9638,7 +9638,14 @@ const docTemplate = `{
         "domain.AnalyticsCoursesSection": {
             "type": "object",
             "properties": {
+                "exam_prep": {
+                    "$ref": "#/definitions/domain.AnalyticsExamPrepContentCounts"
+                },
+                "lms": {
+                    "$ref": "#/definitions/domain.AnalyticsLMSContentCounts"
+                },
                 "total_categories": {
+                    "description": "Top-level keys preserved for existing clients: map to LMS programs, courses, modules, and all video lessons (LMS + exam prep).",
                     "type": "integer"
                 },
                 "total_courses": {
@@ -9722,6 +9729,29 @@ const docTemplate = `{
                 }
             }
         },
+        "domain.AnalyticsExamPrepContentCounts": {
+            "type": "object",
+            "properties": {
+                "catalog_courses": {
+                    "type": "integer"
+                },
+                "lesson_practices": {
+                    "type": "integer"
+                },
+                "lessons": {
+                    "type": "integer"
+                },
+                "lessons_with_video": {
+                    "type": "integer"
+                },
+                "unit_modules": {
+                    "type": "integer"
+                },
+                "units": {
+                    "type": "integer"
+                }
+            }
+        },
         "domain.AnalyticsIssuesSection": {
             "type": "object",
             "properties": {
@@ -9748,6 +9778,38 @@ const docTemplate = `{
                 }
             }
         },
+        "domain.AnalyticsLMSContentCounts": {
+            "type": "object",
+            "properties": {
+                "courses": {
+                    "type": "integer"
+                },
+                "lessons": {
+                    "type": "integer"
+                },
+                "lessons_with_video": {
+                    "type": "integer"
+                },
+                "modules": {
+                    "type": "integer"
+                },
+                "practices": {
+                    "type": "integer"
+                },
+                "practices_at_course": {
+                    "type": "integer"
+                },
+                "practices_at_lesson": {
+                    "type": "integer"
+                },
+                "practices_at_module": {
+                    "type": "integer"
+                },
+                "programs": {
+                    "type": "integer"
+                }
+            }
+        },
         "domain.AnalyticsLabelAmount": {
             "type": "object",
             "properties": {

docs/swagger.json

@@ -9630,7 +9630,14 @@
         "domain.AnalyticsCoursesSection": {
             "type": "object",
             "properties": {
+                "exam_prep": {
+                    "$ref": "#/definitions/domain.AnalyticsExamPrepContentCounts"
+                },
+                "lms": {
+                    "$ref": "#/definitions/domain.AnalyticsLMSContentCounts"
+                },
                 "total_categories": {
+                    "description": "Top-level keys preserved for existing clients: map to LMS programs, courses, modules, and all video lessons (LMS + exam prep).",
                     "type": "integer"
                 },
                 "total_courses": {
@@ -9714,6 +9721,29 @@
                 }
             }
         },
+        "domain.AnalyticsExamPrepContentCounts": {
+            "type": "object",
+            "properties": {
+                "catalog_courses": {
+                    "type": "integer"
+                },
+                "lesson_practices": {
+                    "type": "integer"
+                },
+                "lessons": {
+                    "type": "integer"
+                },
+                "lessons_with_video": {
+                    "type": "integer"
+                },
+                "unit_modules": {
+                    "type": "integer"
+                },
+                "units": {
+                    "type": "integer"
+                }
+            }
+        },
         "domain.AnalyticsIssuesSection": {
             "type": "object",
             "properties": {
@@ -9740,6 +9770,38 @@
                 }
             }
         },
+        "domain.AnalyticsLMSContentCounts": {
+            "type": "object",
+            "properties": {
+                "courses": {
+                    "type": "integer"
+                },
+                "lessons": {
+                    "type": "integer"
+                },
+                "lessons_with_video": {
+                    "type": "integer"
+                },
+                "modules": {
+                    "type": "integer"
+                },
+                "practices": {
+                    "type": "integer"
+                },
+                "practices_at_course": {
+                    "type": "integer"
+                },
+                "practices_at_lesson": {
+                    "type": "integer"
+                },
+                "practices_at_module": {
+                    "type": "integer"
+                },
+                "programs": {
+                    "type": "integer"
+                }
+            }
+        },
         "domain.AnalyticsLabelAmount": {
             "type": "object",
             "properties": {

docs/swagger.yaml

@@ -34,7 +34,13 @@ definitions:
     type: object
   domain.AnalyticsCoursesSection:
     properties:
+      exam_prep:
+        $ref: '#/definitions/domain.AnalyticsExamPrepContentCounts'
+      lms:
+        $ref: '#/definitions/domain.AnalyticsLMSContentCounts'
       total_categories:
+        description: 'Top-level keys preserved for existing clients: map to LMS programs,
+          courses, modules, and all video lessons (LMS + exam prep).'
         type: integer
       total_courses:
         type: integer
@@ -89,6 +95,21 @@ definitions:
       year:
         type: integer
     type: object
+  domain.AnalyticsExamPrepContentCounts:
+    properties:
+      catalog_courses:
+        type: integer
+      lesson_practices:
+        type: integer
+      lessons:
+        type: integer
+      lessons_with_video:
+        type: integer
+      unit_modules:
+        type: integer
+      units:
+        type: integer
+    type: object
   domain.AnalyticsIssuesSection:
     properties:
       by_status:
@@ -106,6 +127,27 @@ definitions:
       total_issues:
         type: integer
     type: object
+  domain.AnalyticsLMSContentCounts:
+    properties:
+      courses:
+        type: integer
+      lessons:
+        type: integer
+      lessons_with_video:
+        type: integer
+      modules:
+        type: integer
+      practices:
+        type: integer
+      practices_at_course:
+        type: integer
+      practices_at_lesson:
+        type: integer
+      practices_at_module:
+        type: integer
+      programs:
+        type: integer
+    type: object
   domain.AnalyticsLabelAmount:
     properties:
       amount:

gen/db/analytics.sql.go

@@ -14,10 +14,28 @@ import (
 const AnalyticsCourseCounts = `-- name: AnalyticsCourseCounts :one
 
 SELECT
-    0::bigint AS total_categories,
+    (SELECT COUNT(*)::bigint FROM programs) AS total_categories,
-    0::bigint AS total_courses,
+    (SELECT COUNT(*)::bigint FROM courses) AS total_courses,
-    0::bigint AS total_sub_courses,
+    (SELECT COUNT(*)::bigint FROM modules) AS total_sub_courses,
-    0::bigint AS total_videos
+    (
+        COALESCE((SELECT COUNT(*)::bigint FROM lessons WHERE NULLIF(BTRIM(video_url), '') IS NOT NULL), 0::bigint)
+        + COALESCE((SELECT COUNT(*)::bigint FROM exam_prep.unit_module_lessons WHERE NULLIF(BTRIM(video_url), '') IS NOT NULL), 0::bigint)
+    )::bigint AS total_videos,
+    (SELECT COUNT(*)::bigint FROM programs) AS lms_programs,
+    (SELECT COUNT(*)::bigint FROM courses) AS lms_courses,
+    (SELECT COUNT(*)::bigint FROM modules) AS lms_modules,
+    (SELECT COUNT(*)::bigint FROM lessons) AS lms_lessons,
+    (SELECT COUNT(*)::bigint FROM lessons WHERE NULLIF(BTRIM(video_url), '') IS NOT NULL) AS lms_lessons_with_video,
+    (SELECT COUNT(*)::bigint FROM lms_practices) AS lms_practices,
+    (SELECT COUNT(*)::bigint FROM lms_practices WHERE course_id IS NOT NULL) AS lms_practices_at_course,
+    (SELECT COUNT(*)::bigint FROM lms_practices WHERE module_id IS NOT NULL) AS lms_practices_at_module,
+    (SELECT COUNT(*)::bigint FROM lms_practices WHERE lesson_id IS NOT NULL) AS lms_practices_at_lesson,
+    (SELECT COUNT(*)::bigint FROM exam_prep.catalog_courses) AS exam_prep_catalog_courses,
+    (SELECT COUNT(*)::bigint FROM exam_prep.units) AS exam_prep_units,
+    (SELECT COUNT(*)::bigint FROM exam_prep.unit_modules) AS exam_prep_unit_modules,
+    (SELECT COUNT(*)::bigint FROM exam_prep.unit_module_lessons) AS exam_prep_lessons,
+    (SELECT COUNT(*)::bigint FROM exam_prep.unit_module_lessons WHERE NULLIF(BTRIM(video_url), '') IS NOT NULL) AS exam_prep_lessons_with_video,
+    (SELECT COUNT(*)::bigint FROM exam_prep.lesson_practices) AS exam_prep_lesson_practices
 `
 
 type AnalyticsCourseCountsRow struct {
@@ -25,11 +43,29 @@ type AnalyticsCourseCountsRow struct {
 	TotalCourses             int64 `json:"total_courses"`
 	TotalSubCourses          int64 `json:"total_sub_courses"`
 	TotalVideos              int64 `json:"total_videos"`
+	LmsPrograms              int64 `json:"lms_programs"`
+	LmsCourses               int64 `json:"lms_courses"`
+	LmsModules               int64 `json:"lms_modules"`
+	LmsLessons               int64 `json:"lms_lessons"`
+	LmsLessonsWithVideo      int64 `json:"lms_lessons_with_video"`
+	LmsPractices             int64 `json:"lms_practices"`
+	LmsPracticesAtCourse     int64 `json:"lms_practices_at_course"`
+	LmsPracticesAtModule     int64 `json:"lms_practices_at_module"`
+	LmsPracticesAtLesson     int64 `json:"lms_practices_at_lesson"`
+	ExamPrepCatalogCourses   int64 `json:"exam_prep_catalog_courses"`
+	ExamPrepUnits            int64 `json:"exam_prep_units"`
+	ExamPrepUnitModules      int64 `json:"exam_prep_unit_modules"`
+	ExamPrepLessons          int64 `json:"exam_prep_lessons"`
+	ExamPrepLessonsWithVideo int64 `json:"exam_prep_lessons_with_video"`
+	ExamPrepLessonPractices  int64 `json:"exam_prep_lesson_practices"`
 }
 
 // =====================
 // Course Analytics
 // =====================
+// LMS: programs -> courses -> modules -> lessons; lms_practices attach to course, module, or lesson.
+// Exam prep: exam_prep.catalog_courses -> units -> unit_modules -> unit_module_lessons; exam_prep.lesson_practices.
+// Legacy dashboard fields map to: programs, courses, modules, and video-bearing lessons (LMS + exam prep).
 func (q *Queries) AnalyticsCourseCounts(ctx context.Context) (AnalyticsCourseCountsRow, error) {
 	row := q.db.QueryRow(ctx, AnalyticsCourseCounts)
 	var i AnalyticsCourseCountsRow
@@ -38,6 +74,21 @@ func (q *Queries) AnalyticsCourseCounts(ctx context.Context) (AnalyticsCourseCou
 		&i.TotalCourses,
 		&i.TotalSubCourses,
 		&i.TotalVideos,
+		&i.LmsPrograms,
+		&i.LmsCourses,
+		&i.LmsModules,
+		&i.LmsLessons,
+		&i.LmsLessonsWithVideo,
+		&i.LmsPractices,
+		&i.LmsPracticesAtCourse,
+		&i.LmsPracticesAtModule,
+		&i.LmsPracticesAtLesson,
+		&i.ExamPrepCatalogCourses,
+		&i.ExamPrepUnits,
+		&i.ExamPrepUnitModules,
+		&i.ExamPrepLessons,
+		&i.ExamPrepLessonsWithVideo,
+		&i.ExamPrepLessonPractices,
 	)
 	return i, err
 }

internal/domain/analytics.go

@@ -69,11 +69,38 @@ type AnalyticsPaymentsSection struct {
 	RevenueLast30Days []AnalyticsRevenueTimePoint `json:"revenue_last_30_days"`
 }
 
+// AnalyticsLMSContentCounts reflects the LMS hierarchy (Learn English): programs → courses → modules → lessons.
+type AnalyticsLMSContentCounts struct {
+	Programs          int64 `json:"programs"`
+	Courses           int64 `json:"courses"`
+	Modules           int64 `json:"modules"`
+	Lessons           int64 `json:"lessons"`
+	LessonsWithVideo  int64 `json:"lessons_with_video"`
+	Practices         int64 `json:"practices"`
+	PracticesAtCourse int64 `json:"practices_at_course"`
+	PracticesAtModule int64 `json:"practices_at_module"`
+	PracticesAtLesson int64 `json:"practices_at_lesson"`
+}
+
+// AnalyticsExamPrepContentCounts reflects the exam_prep schema: catalog_courses → units → unit_modules → lessons → lesson_practices.
+type AnalyticsExamPrepContentCounts struct {
+	CatalogCourses   int64 `json:"catalog_courses"`
+	Units            int64 `json:"units"`
+	UnitModules      int64 `json:"unit_modules"`
+	Lessons          int64 `json:"lessons"`
+	LessonsWithVideo int64 `json:"lessons_with_video"`
+	LessonPractices  int64 `json:"lesson_practices"`
+}
+
 type AnalyticsCoursesSection struct {
+	// Top-level keys preserved for existing clients: map to LMS programs, courses, modules, and all video lessons (LMS + exam prep).
 	TotalCategories int64 `json:"total_categories"`
 	TotalCourses    int64 `json:"total_courses"`
 	TotalSubCourses int64 `json:"total_sub_courses"`
 	TotalVideos     int64 `json:"total_videos"`
+
+	LMS      AnalyticsLMSContentCounts      `json:"lms"`
+	ExamPrep AnalyticsExamPrepContentCounts `json:"exam_prep"`
 }
 
 type AnalyticsContentSection struct {

internal/web_server/handlers/analytics_handler.go

@@ -17,7 +17,7 @@ func toTime(v interface{}) time.Time {
 
 // GetAnalyticsDashboard godoc
 // @Summary Analytics dashboard
-// @Description Platform analytics with optional date filters: all-time (default), year, year+month, or custom from/to range.
+// @Description Platform analytics with optional date filters: all-time (default), year, year+month, or custom from/to range. The courses section includes LMS (programs→courses→modules→lessons, lms_practices) and exam_prep (catalog_courses→units→unit_modules→lessons, lesson_practices) inventory counts.
 // @Tags analytics
 // @Produce json
 // @Param year query int false "Calendar year (e.g. 2025)"
@@ -166,12 +166,7 @@ func (h *Handler) GetAnalyticsDashboard(c *fiber.Ctx) error {
 		Users:         mapUsersSection(usersSummary, usersByRole, usersByStatus, usersByAge, usersByKnowledge, usersByRegion, userRegs),
 		Subscriptions: mapSubscriptionsSection(subsSummary, subsByStatus, revenueByPlan, newSubs30),
 		Payments:      mapPaymentsSection(paymentsSummary, paymentsByStatus, paymentsByMethod, revenue30),
-		Courses: domain.AnalyticsCoursesSection{
+		Courses:       mapCoursesSection(courseCounts),
-			TotalCategories: courseCounts.TotalCategories,
-			TotalCourses:    courseCounts.TotalCourses,
-			TotalSubCourses: courseCounts.TotalSubCourses,
-			TotalVideos:     courseCounts.TotalVideos,
-		},
 		Content:       mapContentSection(questionsCounts, questionsByType, questionSetsByType),
 		Notifications: mapNotificationsSection(notifSummary, notifByChannel, notifByType),
 		Issues:        mapIssuesSection(issuesSummary, issuesByStatus, issuesByType),
@@ -181,6 +176,34 @@ func (h *Handler) GetAnalyticsDashboard(c *fiber.Ctx) error {
 	return c.JSON(dashboard)
 }
 
+func mapCoursesSection(r dbgen.AnalyticsCourseCountsRow) domain.AnalyticsCoursesSection {
+	return domain.AnalyticsCoursesSection{
+		TotalCategories: r.TotalCategories,
+		TotalCourses:    r.TotalCourses,
+		TotalSubCourses: r.TotalSubCourses,
+		TotalVideos:     r.TotalVideos,
+		LMS: domain.AnalyticsLMSContentCounts{
+			Programs:          r.LmsPrograms,
+			Courses:           r.LmsCourses,
+			Modules:           r.LmsModules,
+			Lessons:           r.LmsLessons,
+			LessonsWithVideo:  r.LmsLessonsWithVideo,
+			Practices:         r.LmsPractices,
+			PracticesAtCourse: r.LmsPracticesAtCourse,
+			PracticesAtModule: r.LmsPracticesAtModule,
+			PracticesAtLesson: r.LmsPracticesAtLesson,
+		},
+		ExamPrep: domain.AnalyticsExamPrepContentCounts{
+			CatalogCourses:   r.ExamPrepCatalogCourses,
+			Units:            r.ExamPrepUnits,
+			UnitModules:      r.ExamPrepUnitModules,
+			Lessons:          r.ExamPrepLessons,
+			LessonsWithVideo: r.ExamPrepLessonsWithVideo,
+			LessonPractices:  r.ExamPrepLessonPractices,
+		},
+	}
+}
+
 func mapUsersSection(
 	summary dbgen.AnalyticsUsersSummaryRow,
 	byRole []dbgen.AnalyticsUsersByRoleRow,