init: 初始化 web_hgdjb_server 项目

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

web/service/srv_cointrans/define.go

@@ -0,0 +1,26 @@
+package srv_cointrans
+
+import (
+	"time"
+	"videoweb/pub/models/cointransmod"
+	"videoweb/pub/pubdef"
+)
+
+type CoinTransReq struct {
+	pubdef.Page
+	UserId    *int64                 `json:"userId"`    // 用户ID
+	FlowDir   *cointransmod.FlowDir  `json:"flowDir"`   // 收支方向：1收入 -1支出
+	TranType  *cointransmod.TranType `json:"tranType"`  // 交易类型
+	StartTime *string                `json:"startTime"` // 开始时间 2006-01-02 15:04:05
+	EndTime   *string                `json:"endTime"`   // 结束时间 2006-01-02 15:04:05
+}
+
+type CoinTransResp struct {
+	Total int64                      `json:"total"`
+	List  cointransmod.CoinTransList `json:"list"`
+}
+
+func parseTime(s string) (time.Time, bool) {
+	t, err := time.ParseInLocation("2006-01-02 15:04:05", s, time.Local)
+	return t, err == nil
+}

web/service/srv_cointrans/trans.go

@@ -0,0 +1,62 @@
+package srv_cointrans
+
+import (
+	"context"
+	"videoweb/pub/common/srvdef"
+	"videoweb/pub/models/cointransmod"
+
+	"go.mongodb.org/mongo-driver/bson"
+	"go.mongodb.org/mongo-driver/mongo/options"
+)
+
+// GetCoinTrans 分页查询金币交易流水
+func GetCoinTrans(ctx context.Context, req *CoinTransReq) (*CoinTransResp, *srvdef.SrvErr) {
+	filter := bson.M{}
+
+	if req.UserId != nil && *req.UserId > 0 {
+		filter[cointransmod.FN.CoinTrans.UserId] = *req.UserId
+	}
+	if req.FlowDir != nil {
+		filter[cointransmod.FN.CoinTrans.FlowDir] = *req.FlowDir
+	}
+	if req.TranType != nil {
+		filter[cointransmod.FN.CoinTrans.TranType] = *req.TranType
+	}
+
+	timeFilter := bson.M{}
+	if req.StartTime != nil && *req.StartTime != "" {
+		if t, ok := parseTime(*req.StartTime); ok {
+			timeFilter["$gte"] = t
+		}
+	}
+	if req.EndTime != nil && *req.EndTime != "" {
+		if t, ok := parseTime(*req.EndTime); ok {
+			timeFilter["$lte"] = t
+		}
+	}
+	if len(timeFilter) > 0 {
+		filter[cointransmod.FN.CoinTrans.CreatedAt] = timeFilter
+	}
+
+	total, serr := cointransmod.CountCoinTrans(ctx, filter)
+	if serr != nil {
+		return nil, serr
+	}
+	resp := &CoinTransResp{Total: total}
+	if total == 0 {
+		resp.List = cointransmod.CoinTransList{}
+		return resp, nil
+	}
+
+	opt := options.Find().
+		SetSort(bson.D{{Key: cointransmod.FN.CoinTrans.CreatedAt, Value: -1}}).
+		SetSkip((req.PageNum - 1) * req.PageSize).
+		SetLimit(req.PageSize)
+
+	list, serr := cointransmod.FindManyCoinTrans(ctx, filter, opt)
+	if serr != nil {
+		return nil, serr
+	}
+	resp.List = list
+	return resp, nil
+}