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

api/service/oss/minio_service.go

@@ -0,0 +1,78 @@
+package oss
+
+import (
+	"chatplus/core/types"
+	"chatplus/utils"
+	"context"
+	"fmt"
+	"github.com/gin-gonic/gin"
+	"github.com/minio/minio-go/v7"
+	"github.com/minio/minio-go/v7/pkg/credentials"
+	"path/filepath"
+	"strings"
+	"time"
+)
+
+type MinioService struct {
+	config   *types.MinioConfig
+	client   *minio.Client
+	proxyURL string
+}
+
+func NewMinioService(appConfig *types.AppConfig) (MinioService, error) {
+	config := &appConfig.OSS.Minio
+	minioClient, err := minio.New(config.Endpoint, &minio.Options{
+		Creds:  credentials.NewStaticV4(config.AccessKey, config.AccessSecret, ""),
+		Secure: config.UseSSL,
+	})
+	if err != nil {
+		return MinioService{}, err
+	}
+	return MinioService{config: config, client: minioClient, proxyURL: appConfig.ProxyURL}, nil
+}
+
+func (s MinioService) PutImg(imageURL string) (string, error) {
+	imageData, err := utils.DownloadImage(imageURL, s.proxyURL)
+	if err != nil {
+		return "", fmt.Errorf("error with download image: %v", err)
+	}
+	fileExt := filepath.Ext(filepath.Base(imageURL))
+	filename := fmt.Sprintf("%d%s", time.Now().UnixNano(), fileExt)
+	info, err := s.client.PutObject(
+		context.Background(),
+		s.config.Bucket,
+		filename,
+		strings.NewReader(string(imageData)),
+		int64(len(imageData)),
+		minio.PutObjectOptions{ContentType: "image/png"})
+	if err != nil {
+		return "", err
+	}
+	return fmt.Sprintf("%s/%s/%s", s.config.Domain, s.config.Bucket, info.Key), nil
+}
+
+func (s MinioService) PutFile(ctx *gin.Context) (string, error) {
+	file, err := ctx.FormFile("file")
+	if err != nil {
+		return "", fmt.Errorf("error with get form: %v", err)
+	}
+	// Open the uploaded file
+	fileReader, err := file.Open()
+	if err != nil {
+		return "", fmt.Errorf("error opening file: %v", err)
+	}
+	defer fileReader.Close()
+
+	fileExt := filepath.Ext(file.Filename)
+	filename := fmt.Sprintf("%d%s", time.Now().UnixNano(), fileExt)
+	info, err := s.client.PutObject(ctx, s.config.Bucket, filename, fileReader, file.Size, minio.PutObjectOptions{
+		ContentType: file.Header.Get("Content-Type"),
+	})
+	if err != nil {
+		return "", fmt.Errorf("error uploading to MinIO: %v", err)
+	}
+
+	return fmt.Sprintf("%s/%s/%s", s.config.Domain, s.config.Bucket, info.Key), nil
+}
+
+var _ Uploader = MinioService{}