83 lines
1.2 KiB
Go
83 lines
1.2 KiB
Go
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package gpaste
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import (
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"bytes"
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"fmt"
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"io"
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"sync"
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"time"
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)
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type fileData struct {
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ID string
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Body bytes.Buffer
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MaxViews uint
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ExpiresOn time.Time
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}
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type MemoryFileStore struct {
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lock sync.RWMutex
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data map[string]*fileData
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}
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func NewMemoryFileStore() *MemoryFileStore {
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return &MemoryFileStore{
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data: make(map[string]*fileData),
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}
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}
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func (s *MemoryFileStore) Store(f *File) error {
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data := &fileData{
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ID: f.ID,
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MaxViews: f.MaxViews,
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ExpiresOn: f.ExpiresOn,
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}
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_, err := io.Copy(&data.Body, f.Body)
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_ = f.Body.Close()
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s.lock.Lock()
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defer s.lock.Unlock()
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s.data[f.ID] = data
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return err
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}
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func (s *MemoryFileStore) Get(id string) (*File, error) {
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s.lock.RLock()
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defer s.lock.RUnlock()
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fd, ok := s.data[id]
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if !ok {
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return nil, fmt.Errorf("no such item")
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}
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f := &File{
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ID: fd.ID,
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MaxViews: fd.MaxViews,
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ExpiresOn: fd.ExpiresOn,
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Body: io.NopCloser(&fd.Body),
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}
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return f, nil
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}
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func (s *MemoryFileStore) Delete(id string) error {
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s.lock.Lock()
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defer s.lock.RUnlock()
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delete(s.data, id)
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return nil
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}
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func (s *MemoryFileStore) List() ([]string, error) {
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var ids []string
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s.lock.RLock()
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defer s.lock.RUnlock()
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for id := range s.data {
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ids = append(ids, id)
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}
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return ids, nil
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}
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