fix: preserve explicit zero values in native relay requests

relay/channel/ali/image.go

@@ -18,6 +18,7 @@ import (
 	"github.com/QuantumNous/new-api/types"
 
 	"github.com/gin-gonic/gin"
+	"github.com/samber/lo"
 )
 
 func oaiImage2AliImageRequest(info *relaycommon.RelayInfo, request dto.ImageRequest, isSync bool) (*AliImageRequest, error) {
@@ -34,7 +35,7 @@ func oaiImage2AliImageRequest(info *relaycommon.RelayInfo, request dto.ImageRequ
 			// 兼容没有parameters字段的情况，从openai标准字段中提取参数
 			imageRequest.Parameters = AliImageParameters{
 				Size:      strings.Replace(request.Size, "x", "*", -1),
-				N:         int(request.N),
+				N:         int(lo.FromPtrOr(request.N, uint(1))),
 				Watermark: request.Watermark,
 			}
 		}

relay/channel/ali/image_wan.go

@@ -9,6 +9,7 @@ import (
 	relaycommon "github.com/QuantumNous/new-api/relay/common"
 
 	"github.com/gin-gonic/gin"
+	"github.com/samber/lo"
 )
 
 func oaiFormEdit2WanxImageEdit(c *gin.Context, info *relaycommon.RelayInfo, request dto.ImageRequest) (*AliImageRequest, error) {
@@ -31,7 +32,7 @@ func oaiFormEdit2WanxImageEdit(c *gin.Context, info *relaycommon.RelayInfo, requ
 	//}
 	imageRequest.Input = wanInput
 	imageRequest.Parameters = AliImageParameters{
-		N: int(request.N),
+		N: int(lo.FromPtrOr(request.N, uint(1))),
 	}
 	info.PriceData.AddOtherRatio("n", float64(imageRequest.Parameters.N))
 

relay/channel/ali/rerank.go

@@ -26,7 +26,7 @@ func ConvertRerankRequest(request dto.RerankRequest) *AliRerankRequest {
 			Documents: request.Documents,
 		},
 		Parameters: AliRerankParameters{
-			TopN:            &request.TopN,
+			TopN:            request.TopN,
 			ReturnDocuments: returnDocuments,
 		},
 	}

relay/channel/ali/text.go

@@ -2,6 +2,7 @@ package ali
 
 import (
 	"github.com/QuantumNous/new-api/dto"
+	"github.com/samber/lo"
 )
 
 // https://help.aliyun.com/document_detail/613695.html?spm=a2c4g.2399480.0.0.1adb778fAdzP9w#341800c0f8w0r
@@ -9,10 +10,11 @@ import (
 const EnableSearchModelSuffix = "-internet"
 
 func requestOpenAI2Ali(request dto.GeneralOpenAIRequest) *dto.GeneralOpenAIRequest {
-	if request.TopP >= 1 {
-		request.TopP = 0.999
-	} else if request.TopP <= 0 {
-		request.TopP = 0.001
+	topP := lo.FromPtrOr(request.TopP, 0)
+	if topP >= 1 {
+		request.TopP = lo.ToPtr(0.999)
+	} else if topP <= 0 {
+		request.TopP = lo.ToPtr(0.001)
 	}
 	return &request
 }