easyai-ai-gateway/apps/api/internal/httpapi/file_upload_handlers.go

59 lines
1.6 KiB
Go

package httpapi
import (
"io"
"net/http"
"strings"
"github.com/easyai/easyai-ai-gateway/apps/api/internal/clients"
"github.com/easyai/easyai-ai-gateway/apps/api/internal/runner"
)
const maxGatewayUploadBytes = 256 << 20
func (s *Server) uploadFile(w http.ResponseWriter, r *http.Request) {
r.Body = http.MaxBytesReader(w, r.Body, maxGatewayUploadBytes)
if err := r.ParseMultipartForm(32 << 20); err != nil {
writeError(w, http.StatusBadRequest, "invalid multipart upload")
return
}
file, header, err := r.FormFile("file")
if err != nil {
writeError(w, http.StatusBadRequest, "file is required")
return
}
defer file.Close()
payload, err := io.ReadAll(file)
if err != nil {
writeError(w, http.StatusBadRequest, "read upload file failed")
return
}
contentType := strings.TrimSpace(header.Header.Get("Content-Type"))
if contentType == "" && len(payload) > 0 {
contentType = http.DetectContentType(payload)
}
upload, err := s.runner.UploadFile(r.Context(), runner.FileUploadPayload{
Bytes: payload,
ContentType: contentType,
FileName: header.Filename,
Source: firstNonEmptyFormValue(r, "source", "ai-gateway-openapi"),
})
if err != nil {
s.logger.Error("upload file failed", "error", err)
status := http.StatusBadGateway
if clients.ErrorCode(err) == "upload_no_channel" {
status = http.StatusServiceUnavailable
}
writeError(w, status, err.Error())
return
}
writeJSON(w, http.StatusOK, upload)
}
func firstNonEmptyFormValue(r *http.Request, key string, fallback string) string {
if value := strings.TrimSpace(r.FormValue(key)); value != "" {
return value
}
return fallback
}