feat: 添加争议微服务，支持订单争议流程

app/dispute/rpc/internal/logic/searchDisputesLogic.go

@@ -0,0 +1,75 @@
+package logic
+
+import (
+	"context"
+	"errors"
+
+	"juwan-backend/app/dispute/rpc/internal/models/disputes"
+	"juwan-backend/app/dispute/rpc/internal/svc"
+	"juwan-backend/app/dispute/rpc/pb"
+
+	"entgo.io/ent/dialect/sql"
+	"github.com/zeromicro/go-zero/core/logx"
+)
+
+type SearchDisputesLogic struct {
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+	logx.Logger
+}
+
+func NewSearchDisputesLogic(ctx context.Context, svcCtx *svc.ServiceContext) *SearchDisputesLogic {
+	return &SearchDisputesLogic{
+		ctx:    ctx,
+		svcCtx: svcCtx,
+		Logger: logx.WithContext(ctx),
+	}
+}
+
+func (l *SearchDisputesLogic) SearchDisputes(in *pb.SearchDisputesReq) (*pb.SearchDisputesResp, error) {
+	limit := in.GetLimit()
+	if limit <= 0 {
+		limit = 20
+	}
+	if limit > 100 {
+		return nil, errors.New("limit too large")
+	}
+	offset := in.GetOffset()
+	if offset < 0 {
+		offset = 0
+	}
+
+	query := l.svcCtx.DisputeModelRO.Disputes.Query()
+	if in.Id != nil {
+		query = query.Where(disputes.IDEQ(in.GetId()))
+	}
+	if in.OrderId != nil {
+		query = query.Where(disputes.OrderIDEQ(in.GetOrderId()))
+	}
+	if in.InitiatorId != nil {
+		query = query.Where(disputes.InitiatorIDEQ(in.GetInitiatorId()))
+	}
+	if in.RespondentId != nil {
+		query = query.Where(disputes.RespondentIDEQ(in.GetRespondentId()))
+	}
+	if in.Status != nil {
+		query = query.Where(disputes.StatusEQ(in.GetStatus()))
+	}
+
+	list, err := query.
+		Order(disputes.ByCreatedAt(sql.OrderDesc()), disputes.ByID(sql.OrderDesc())).
+		Offset(int(offset)).
+		Limit(int(limit)).
+		All(l.ctx)
+	if err != nil {
+		logx.Errorf("searchDisputes err: %v", err)
+		return nil, errors.New("search disputes failed")
+	}
+
+	out := make([]*pb.Disputes, len(list))
+	for i, d := range list {
+		out[i] = entDisputeToPb(d)
+	}
+
+	return &pb.SearchDisputesResp{Disputes: out}, nil
+}