first commit

core/providers/mistral/errors.go

@@ -0,0 +1,71 @@
+package mistral
+
+import (
+	"fmt"
+	"strings"
+
+	providerUtils "github.com/maximhq/bifrost/core/providers/utils"
+	"github.com/maximhq/bifrost/core/schemas"
+	"github.com/valyala/fasthttp"
+)
+
+// MistralErrorResponse captures both Mistral's top-level error shape and nested OpenAI-style errors.
+type MistralErrorResponse struct {
+	Object  string              `json:"object,omitempty"`
+	Message string              `json:"message,omitempty"`
+	Type    string              `json:"type,omitempty"`
+	Code    string              `json:"code,omitempty"`
+	Error   *schemas.ErrorField `json:"error,omitempty"`
+}
+
+// ParseMistralError parses Mistral-specific error responses.
+func ParseMistralError(resp *fasthttp.Response) *schemas.BifrostError {
+	var errorResp MistralErrorResponse
+	bifrostErr := providerUtils.HandleProviderAPIError(resp, &errorResp)
+	if bifrostErr == nil {
+		return nil
+	}
+
+	if bifrostErr.Error == nil {
+		bifrostErr.Error = &schemas.ErrorField{}
+	}
+
+	if errorResp.Error != nil {
+		if strings.TrimSpace(errorResp.Error.Message) != "" {
+			bifrostErr.Error.Message = errorResp.Error.Message
+		}
+		if errorResp.Error.Type != nil && strings.TrimSpace(*errorResp.Error.Type) != "" {
+			bifrostErr.Error.Type = errorResp.Error.Type
+			bifrostErr.Type = errorResp.Error.Type
+		}
+		if errorResp.Error.Code != nil && strings.TrimSpace(*errorResp.Error.Code) != "" {
+			bifrostErr.Error.Code = errorResp.Error.Code
+		}
+		bifrostErr.Error.Param = errorResp.Error.Param
+		if errorResp.Error.EventID != nil {
+			bifrostErr.Error.EventID = errorResp.Error.EventID
+		}
+	}
+
+	if strings.TrimSpace(errorResp.Message) != "" {
+		bifrostErr.Error.Message = errorResp.Message
+	}
+	if strings.TrimSpace(errorResp.Type) != "" {
+		errorType := schemas.Ptr(errorResp.Type)
+		bifrostErr.Error.Type = errorType
+		bifrostErr.Type = errorType
+	}
+	if strings.TrimSpace(errorResp.Code) != "" {
+		bifrostErr.Error.Code = schemas.Ptr(errorResp.Code)
+	}
+
+	if strings.TrimSpace(bifrostErr.Error.Message) == "" {
+		if bifrostErr.StatusCode != nil {
+			bifrostErr.Error.Message = fmt.Sprintf("provider API error (status %d)", *bifrostErr.StatusCode)
+		} else {
+			bifrostErr.Error.Message = "provider API error"
+		}
+	}
+
+	return bifrostErr
+}