70 lines
1.4 KiB
Go
70 lines
1.4 KiB
Go
package file
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import (
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"io"
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"net/http"
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"path/filepath"
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"github.com/gin-gonic/gin"
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)
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// A Service to handle file-uploads in golang
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type Service struct {
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StorageType string `toml:"storage_type"`
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Path string `toml:"path"`
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}
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// Check if Service is configurated and useable
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func (s *Service) Check() error {
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mgmt, ok := managers[s.StorageType]
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if !ok {
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return ErrUnsupportedStorageType
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}
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return mgmt.Check(s)
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}
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// Upload a file to storage
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func (s *Service) Upload(request *http.Request) (*File, error) {
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mgmt, ok := managers[s.StorageType]
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if !ok {
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return nil, ErrUnsupportedStorageType
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}
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file, fileRequest, err := request.FormFile("file")
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if err != nil {
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return nil, err
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}
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fileObj := File{
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Filename: filepath.Base(fileRequest.Filename),
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}
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// detect contenttype
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buffer := make([]byte, 512)
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n, err := file.Read(buffer)
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if err != nil && err != io.EOF {
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return nil, err
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}
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fileObj.ContentType = http.DetectContentType(buffer[:n])
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// Reset the read pointer
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file.Seek(0, io.SeekStart)
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if err := mgmt.Save(s, &fileObj, file); err != nil {
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return nil, err
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}
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return &fileObj, nil
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}
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// GINUpload a file to storage using gin-gonic
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func (s *Service) GINUpload(c *gin.Context) (*File, error) {
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return s.Upload(c.Request)
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}
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// Read a file to storage
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func (s *Service) Read(file *File) (io.Reader, error) {
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mgmt, ok := managers[s.StorageType]
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if !ok {
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return nil, ErrUnsupportedStorageType
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}
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return mgmt.Read(s, file)
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}
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