mirror of
https://github.com/usememos/memos.git
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107 lines
2.3 KiB
Go
107 lines
2.3 KiB
Go
package store
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import (
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"context"
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"fmt"
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"os"
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"path/filepath"
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"github.com/pkg/errors"
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"github.com/usememos/memos/internal/util"
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)
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const (
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// thumbnailImagePath is the directory to store image thumbnails.
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thumbnailImagePath = ".thumbnail_cache"
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)
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type Resource struct {
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ID int32
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// Standard fields
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CreatorID int32
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CreatedTs int64
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UpdatedTs int64
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// Domain specific fields
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Filename string
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Blob []byte
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InternalPath string
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ExternalLink string
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Type string
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Size int64
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MemoID *int32
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}
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type FindResource struct {
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GetBlob bool
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ID *int32
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CreatorID *int32
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Filename *string
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MemoID *int32
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HasRelatedMemo bool
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Limit *int
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Offset *int
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}
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type UpdateResource struct {
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ID int32
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UpdatedTs *int64
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Filename *string
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InternalPath *string
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MemoID *int32
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Blob []byte
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}
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type DeleteResource struct {
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ID int32
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MemoID *int32
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}
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func (s *Store) CreateResource(ctx context.Context, create *Resource) (*Resource, error) {
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return s.driver.CreateResource(ctx, create)
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}
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func (s *Store) ListResources(ctx context.Context, find *FindResource) ([]*Resource, error) {
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return s.driver.ListResources(ctx, find)
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}
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func (s *Store) GetResource(ctx context.Context, find *FindResource) (*Resource, error) {
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resources, err := s.ListResources(ctx, find)
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if err != nil {
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return nil, err
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}
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if len(resources) == 0 {
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return nil, nil
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}
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return resources[0], nil
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}
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func (s *Store) UpdateResource(ctx context.Context, update *UpdateResource) (*Resource, error) {
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return s.driver.UpdateResource(ctx, update)
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}
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func (s *Store) DeleteResource(ctx context.Context, delete *DeleteResource) error {
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resource, err := s.GetResource(ctx, &FindResource{ID: &delete.ID})
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if err != nil {
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return errors.Wrap(err, "failed to get resource")
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}
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if resource == nil {
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return errors.Wrap(nil, "resource not found")
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}
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// Delete the local file.
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if resource.InternalPath != "" {
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_ = os.Remove(resource.InternalPath)
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}
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// Delete the thumbnail.
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if util.HasPrefixes(resource.Type, "image/png", "image/jpeg") {
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ext := filepath.Ext(resource.Filename)
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thumbnailPath := filepath.Join(s.Profile.Data, thumbnailImagePath, fmt.Sprintf("%d%s", resource.ID, ext))
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_ = os.Remove(thumbnailPath)
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}
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return s.driver.DeleteResource(ctx, delete)
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}
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