draft grpc

internal/api/admin/dashboard.go

@@ -0,0 +1,68 @@
+//go:build ignore
+// +build ignore
+
+package admin
+
+import (
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"stream.api/internal/database/model"
+	"stream.api/pkg/response"
+)
+
+type DashboardPayload struct {
+	TotalUsers          int64   `json:"total_users"`
+	TotalVideos         int64   `json:"total_videos"`
+	TotalStorageUsed    int64   `json:"total_storage_used"`
+	TotalPayments       int64   `json:"total_payments"`
+	TotalRevenue        float64 `json:"total_revenue"`
+	ActiveSubscriptions int64   `json:"active_subscriptions"`
+	TotalAdTemplates    int64   `json:"total_ad_templates"`
+	NewUsersToday       int64   `json:"new_users_today"`
+	NewVideosToday      int64   `json:"new_videos_today"`
+}
+
+// @Summary      Admin Dashboard
+// @Description  Get system-wide statistics for the admin dashboard
+// @Tags         admin
+// @Produce      json
+// @Success      200  {object}  response.Response{data=DashboardPayload}
+// @Failure      401  {object}  response.Response
+// @Failure      403  {object}  response.Response
+// @Router       /admin/dashboard [get]
+// @Security     BearerAuth
+func (h *Handler) Dashboard(c *gin.Context) {
+	ctx := c.Request.Context()
+	var payload DashboardPayload
+
+	h.db.WithContext(ctx).Model(&model.User{}).Count(&payload.TotalUsers)
+	h.db.WithContext(ctx).Model(&model.Video{}).Count(&payload.TotalVideos)
+
+	h.db.WithContext(ctx).Model(&model.User{}).
+		Select("COALESCE(SUM(storage_used), 0)").
+		Row().Scan(&payload.TotalStorageUsed)
+
+	h.db.WithContext(ctx).Model(&model.Payment{}).Count(&payload.TotalPayments)
+
+	h.db.WithContext(ctx).Model(&model.Payment{}).
+		Where("status = ?", "SUCCESS").
+		Select("COALESCE(SUM(amount), 0)").
+		Row().Scan(&payload.TotalRevenue)
+
+	h.db.WithContext(ctx).Model(&model.PlanSubscription{}).
+		Where("expires_at > ?", time.Now()).
+		Count(&payload.ActiveSubscriptions)
+
+	h.db.WithContext(ctx).Model(&model.AdTemplate{}).Count(&payload.TotalAdTemplates)
+
+	today := time.Now().Truncate(24 * time.Hour)
+	h.db.WithContext(ctx).Model(&model.User{}).
+		Where("created_at >= ?", today).
+		Count(&payload.NewUsersToday)
+	h.db.WithContext(ctx).Model(&model.Video{}).
+		Where("created_at >= ?", today).
+		Count(&payload.NewVideosToday)
+
+	response.Success(c, payload)
+}