feat: add wechat pay

backend/app/http/orders/service.go

@@ -3,10 +3,13 @@ package orders
 import (
 	"context"
 	"database/sql"
+	"time"
 
 	"backend/app/requests"
+	"backend/database/fields"
 	"backend/database/models/qvyun_v2/public/model"
 	"backend/database/models/qvyun_v2/public/table"
+	"backend/pkg/utils"
 	"backend/providers/otel"
 
 	. "github.com/go-jet/jet/v2/postgres"
@@ -75,3 +78,99 @@ func (svc *Service) GetOrders(ctx context.Context, pagination *requests.Paginati
 	}
 	return orders, count.Cnt, nil
 }
+
+// CreateOrder
+func (svc *Service) Create(ctx context.Context, user *model.Users, post *model.Posts) (*model.Orders, error) {
+	_, span := otel.Start(ctx, "users.service.CreateOrder")
+	defer span.End()
+	span.SetAttributes(
+		attribute.Int64("post.id", post.ID),
+	)
+
+	price := post.Price
+	if post.Discount != 100 {
+		price = post.Price * int64(post.Discount) / 100
+	}
+
+	m := model.Orders{
+		CreatedAt:          time.Now(),
+		UpdatedAt:          time.Now(),
+		TenantID:           post.TenantID,
+		UserID:             user.ID,
+		Type:               fields.OrderTypeConsume,
+		Status:             fields.OrderStatusPending,
+		OrderSerial:        svc.generateCreateOrderSerial(ctx),
+		RemoteOrderSerial:  "",
+		RefundSerial:       "",
+		RemoteRefundSerial: "",
+		Amount:             price,
+		Currency:           "CNY",
+		Title:              post.Title,
+		Description:        new(string),
+		Meta: fields.ToJson(fields.OrderMeta{
+			ObjectID: post.ID,
+			Price:    post.Price,
+			Discount: post.Discount,
+			Coupons:  nil,
+		}),
+	}
+
+	tbl := table.Orders
+	stmt := tbl.INSERT(tbl.MutableColumns).MODEL(m).RETURNING(tbl.AllColumns)
+	span.SetAttributes(semconv.DBStatementKey.String(stmt.DebugSql()))
+
+	var mm model.Orders
+	if err := stmt.QueryContext(ctx, svc.db, &mm); err != nil {
+		return nil, err
+	}
+	return &mm, nil
+}
+
+// generateCreateOrderSerial
+func (svc *Service) generateCreateOrderSerial(ctx context.Context) string {
+	return utils.GenerateOrderSerial("O")
+}
+
+// generateRefundOrderSerial
+func (svc *Service) generateRefundOrderSerial(ctx context.Context) string {
+	return utils.GenerateOrderSerial("R")
+}
+
+// GetByOrderID
+func (svc *Service) GetByOrderID(ctx context.Context, orderID string) (*model.Orders, error) {
+	_, span := otel.Start(ctx, "users.service.GetByOrderID")
+	defer span.End()
+	span.SetAttributes(
+		attribute.String("order.id", orderID),
+	)
+
+	tbl := table.Orders
+	stmt := tbl.SELECT(tbl.AllColumns).WHERE(tbl.OrderSerial.EQ(String(orderID)))
+	span.SetAttributes(semconv.DBStatementKey.String(stmt.DebugSql()))
+
+	var order model.Orders
+	if err := stmt.QueryContext(ctx, svc.db, &order); err != nil {
+		return nil, err
+	}
+	return &order, nil
+}
+
+// GetUserOrderByOrderID
+func (svc *Service) GetUserOrderByOrderID(ctx context.Context, orderID string, userID int64) (*model.Orders, error) {
+	_, span := otel.Start(ctx, "users.service.GetUserOrderByOrderID")
+	defer span.End()
+	span.SetAttributes(
+		attribute.String("order.id", orderID),
+		attribute.Int64("user.id", userID),
+	)
+
+	tbl := table.Orders
+	stmt := tbl.SELECT(tbl.AllColumns).WHERE(tbl.OrderSerial.EQ(String(orderID)).AND(tbl.UserID.EQ(Int64(userID))))
+	span.SetAttributes(semconv.DBStatementKey.String(stmt.DebugSql()))
+
+	var order model.Orders
+	if err := stmt.QueryContext(ctx, svc.db, &order); err != nil {
+		return nil, err
+	}
+	return &order, nil
+}