feat: update admin

backend/app/http/admin/statistics.go

@@ -0,0 +1,61 @@
+package admin
+
+import (
+	"quyun/app/models"
+	"quyun/database/fields"
+	"quyun/database/schemas/public/table"
+
+	. "github.com/go-jet/jet/v2/postgres"
+	"github.com/gofiber/fiber/v3"
+)
+
+// @provider
+type statistics struct{}
+
+type StatisticsResponse struct {
+	PostDraft     int64 `json:"post_draft"`
+	PostPublished int64 `json:"post_published"`
+	Media         int64 `json:"media"`
+	Order         int64 `json:"order"`
+	User          int64 `json:"user"`
+	Amount        int64 `json:"amount"`
+}
+
+// dashboard statistics
+// @Router			/admin/statistics [get]
+func (s *statistics) statistics(ctx fiber.Ctx) (*StatisticsResponse, error) {
+	statistics := &StatisticsResponse{}
+
+	var err error
+
+	statistics.PostDraft, err = models.Posts.Count(ctx.Context(), table.Posts.Status.EQ(Int(int64(fields.PostStatusDraft))))
+	if err != nil {
+		return nil, err
+	}
+	statistics.PostPublished, err = models.Posts.Count(ctx.Context(), table.Posts.Status.EQ(Int(int64(fields.PostStatusPublished))))
+	if err != nil {
+		return nil, err
+	}
+
+	statistics.Media, err = models.Medias.Count(ctx.Context())
+	if err != nil {
+		return nil, err
+	}
+
+	statistics.Order, err = models.Orders.Count(ctx.Context(), table.Orders.Status.EQ(Int(int64(fields.OrderStatusPaid))))
+	if err != nil {
+		return nil, err
+	}
+
+	statistics.User, err = models.Users.Count(ctx.Context(), BoolExp(Bool(true)))
+	if err != nil {
+		return nil, err
+	}
+
+	statistics.Amount, err = models.Orders.SumAmount(ctx.Context())
+	if err != nil {
+		return nil, err
+	}
+
+	return statistics, nil
+}