feat: add oss service factory implements, add support for setting custom upload handler, localstorage and minio oss

api/service/oss/localstorage_service.go

@@ -0,0 +1,57 @@
+package oss
+
+import (
+	"chatplus/core/types"
+	"chatplus/utils"
+	"fmt"
+	"github.com/gin-gonic/gin"
+	"path/filepath"
+)
+
+type LocalStorageService struct {
+	config   *types.LocalStorageConfig
+	proxyURL string
+}
+
+func NewLocalStorageService(config *types.AppConfig) LocalStorageService {
+	return LocalStorageService{
+		config:   &config.OSS.Local,
+		proxyURL: config.ProxyURL,
+	}
+}
+
+func (s LocalStorageService) PutFile(ctx *gin.Context) (string, error) {
+	file, err := ctx.FormFile("file")
+	if err != nil {
+		return "", fmt.Errorf("error with get form: %v", err)
+	}
+
+	filePath, err := utils.GenUploadPath(s.config.BasePath, file.Filename)
+	if err != nil {
+		return "", fmt.Errorf("error with generate filename: %s", err.Error())
+	}
+	// 将文件保存到指定路径
+	err = ctx.SaveUploadedFile(file, filePath)
+	if err != nil {
+		return "", fmt.Errorf("error with save upload file: %s", err.Error())
+	}
+
+	return utils.GenUploadUrl(s.config.BasePath, s.config.BaseURL, filePath), nil
+}
+
+func (s LocalStorageService) PutImg(imageURL string) (string, error) {
+	filename := filepath.Base(imageURL)
+	filePath, err := utils.GenUploadPath(s.config.BasePath, filename)
+	if err != nil {
+		return "", fmt.Errorf("error with generate image dir: %v", err)
+	}
+
+	err = utils.DownloadFile(imageURL, filePath, s.proxyURL)
+	if err != nil {
+		return "", fmt.Errorf("error with download image: %v", err)
+	}
+
+	return utils.GenUploadUrl(s.config.BasePath, s.config.BaseURL, filePath), nil
+}
+
+var _ Uploader = LocalStorageService{}