lens @ master

  1package sql
  2
  3import (
  4	"context"
  5	"time"
  6
  7	"gorm.io/gorm"
  8
  9	"git.sr.ht/~gabrielgio/img/pkg/database/repository"
 10	"git.sr.ht/~gabrielgio/img/pkg/list"
 11)
 12
 13type (
 14	Media struct {
 15		gorm.Model
 16		Name     string `gorm:"not null"`
 17		Path     string `gorm:"not null;unique"`
 18		PathHash string `gorm:"not null;unique"`
 19		MIMEType string `gorm:"not null"`
 20	}
 21
 22	MediaEXIF struct {
 23		gorm.Model
 24		Width           *float64
 25		Height          *float64
 26		MediaID         uint `gorm:"not null"`
 27		Media           Media
 28		Description     *string
 29		Camera          *string
 30		Maker           *string
 31		Lens            *string
 32		DateShot        *time.Time
 33		Exposure        *float64
 34		Aperture        *float64
 35		Iso             *int64
 36		FocalLength     *float64
 37		Flash           *int64
 38		Orientation     *int64
 39		ExposureProgram *int64
 40		GPSLatitude     *float64
 41		GPSLongitude    *float64
 42	}
 43
 44	MediaThumbnail struct {
 45		gorm.Model
 46		Path    string
 47		MediaID uint `gorm:"not null"`
 48		Media   Media
 49	}
 50
 51	MediaAlbum struct {
 52		gorm.Model
 53		ParentID *uint
 54		Parent   *MediaAlbum
 55		Name     string
 56		Path     string `gorm:"not null; unique"`
 57	}
 58
 59	MediaAlbumFile struct {
 60		gorm.Model
 61		MediaID uint
 62		Media   Media
 63		AlbumID uint
 64		Album   MediaAlbum
 65	}
 66
 67	MediaRepository struct {
 68		db *gorm.DB
 69	}
 70)
 71
 72var _ repository.MediaRepository = &MediaRepository{}
 73
 74func (m *Media) ToModel() *repository.Media {
 75	return &repository.Media{
 76		ID:       m.ID,
 77		Path:     m.Path,
 78		PathHash: m.PathHash,
 79		Name:     m.Name,
 80		MIMEType: m.MIMEType,
 81	}
 82}
 83
 84func (m *MediaEXIF) ToModel() *repository.MediaEXIF {
 85	return &repository.MediaEXIF{
 86		Height:          m.Height,
 87		Width:           m.Width,
 88		Description:     m.Description,
 89		Camera:          m.Camera,
 90		Maker:           m.Maker,
 91		Lens:            m.Lens,
 92		DateShot:        m.DateShot,
 93		Exposure:        m.Exposure,
 94		Aperture:        m.Aperture,
 95		Iso:             m.Iso,
 96		FocalLength:     m.FocalLength,
 97		Flash:           m.Flash,
 98		Orientation:     m.Orientation,
 99		ExposureProgram: m.ExposureProgram,
100		GPSLatitude:     m.GPSLatitude,
101		GPSLongitude:    m.GPSLongitude,
102	}
103}
104
105func (a *MediaAlbum) ToModel() *repository.Album {
106	return &repository.Album{
107		ID:   a.ID,
108		Name: a.Name,
109		Path: a.Path,
110	}
111}
112
113func (m *MediaThumbnail) ToModel() *repository.MediaThumbnail {
114	return &repository.MediaThumbnail{
115		Path: m.Path,
116	}
117}
118
119func NewMediaRepository(db *gorm.DB) *MediaRepository {
120	return &MediaRepository{
121		db: db,
122	}
123}
124
125func (self *MediaRepository) Create(ctx context.Context, createMedia *repository.CreateMedia) error {
126	media := &Media{
127		Name:     createMedia.Name,
128		Path:     createMedia.Path,
129		PathHash: createMedia.PathHash,
130		MIMEType: createMedia.MIMEType,
131	}
132
133	result := self.db.
134		WithContext(ctx).
135		Create(media)
136	if result.Error != nil {
137		return result.Error
138	}
139
140	return nil
141}
142
143func (self *MediaRepository) Exists(ctx context.Context, path string) (bool, error) {
144	var exists bool
145	result := self.db.
146		WithContext(ctx).
147		Model(&Media{}).
148		Select("count(id) > 0").
149		Where("path_hash = ?", path).
150		Find(&exists)
151
152	if result.Error != nil {
153		return false, result.Error
154	}
155
156	return exists, nil
157}
158
159func (self *MediaRepository) List(ctx context.Context, pagination *repository.Pagination) ([]*repository.Media, error) {
160	medias := make([]*Media, 0)
161	result := self.db.
162		WithContext(ctx).
163		Model(&Media{}).
164		Offset(pagination.Page * pagination.Size).
165		Limit(pagination.Size).
166		Where("path like '" + pagination.Path + "%'").
167		Order("COALESCE (media_exifs.date_shot, media.created_at) DESC").
168		InnerJoins("INNER JOIN media_exifs ON media_exifs.media_id = media.id").
169		Find(&medias)
170
171	if result.Error != nil {
172		return nil, result.Error
173	}
174
175	m := list.Map(medias, func(s *Media) *repository.Media {
176		return s.ToModel()
177	})
178
179	return m, nil
180}
181
182func (self *MediaRepository) Get(ctx context.Context, pathHash string) (*repository.Media, error) {
183	m := &Media{}
184	result := self.db.
185		WithContext(ctx).
186		Model(&Media{}).
187		Where("path_hash = ?", pathHash).
188		Limit(1).
189		Take(m)
190
191	if result.Error != nil {
192		return nil, result.Error
193	}
194
195	return m.ToModel(), nil
196}
197
198func (self *MediaRepository) GetPath(ctx context.Context, pathHash string) (string, error) {
199	var path string
200	result := self.db.
201		WithContext(ctx).
202		Model(&Media{}).
203		Select("path").
204		Where("path_hash = ?", pathHash).
205		Limit(1).
206		Find(&path)
207
208	if result.Error != nil {
209		return "", result.Error
210	}
211
212	return path, nil
213}
214
215func (self *MediaRepository) GetThumbnailPath(ctx context.Context, pathHash string) (string, error) {
216	var path string
217	result := self.db.
218		WithContext(ctx).
219		Model(&Media{}).
220		Select("media_thumbnails.path").
221		Joins("left join media_thumbnails on media.id = media_thumbnails.media_id").
222		Where("media.path_hash = ?", pathHash).
223		Limit(1).
224		Find(&path)
225
226	if result.Error != nil {
227		return "", result.Error
228	}
229
230	return path, nil
231}
232
233func (m *MediaRepository) GetEXIF(ctx context.Context, mediaID uint) (*repository.MediaEXIF, error) {
234	exif := &MediaEXIF{}
235	result := m.db.
236		WithContext(ctx).
237		Model(&Media{}).
238		Where("media_id = ?", mediaID).
239		Limit(1).
240		Take(m)
241
242	if result.Error != nil {
243		return nil, result.Error
244	}
245
246	return exif.ToModel(), nil
247}
248
249func (s *MediaRepository) CreateEXIF(ctx context.Context, id uint, info *repository.MediaEXIF) error {
250	media := &MediaEXIF{
251		MediaID:         id,
252		Width:           info.Width,
253		Height:          info.Height,
254		Description:     info.Description,
255		Camera:          info.Camera,
256		Maker:           info.Maker,
257		Lens:            info.Lens,
258		DateShot:        info.DateShot,
259		Exposure:        info.Exposure,
260		Aperture:        info.Aperture,
261		Iso:             info.Iso,
262		FocalLength:     info.FocalLength,
263		Flash:           info.Flash,
264		Orientation:     info.Orientation,
265		ExposureProgram: info.ExposureProgram,
266		GPSLatitude:     info.GPSLatitude,
267		GPSLongitude:    info.GPSLongitude,
268	}
269
270	result := s.db.
271		WithContext(ctx).
272		Create(media)
273	if result.Error != nil {
274		return result.Error
275	}
276
277	return nil
278}
279
280func (r *MediaRepository) ListEmptyEXIF(ctx context.Context, pagination *repository.Pagination) ([]*repository.Media, error) {
281	medias := make([]*Media, 0)
282	result := r.db.
283		WithContext(ctx).
284		Model(&Media{}).
285		Joins("left join media_exifs on media.id = media_exifs.media_id").
286		Where("media_exifs.media_id IS NULL AND media.path like '" + pagination.Path + "%'").
287		Offset(pagination.Page * pagination.Size).
288		Limit(pagination.Size).
289		Order("media.created_at DESC").
290		Find(&medias)
291
292	if result.Error != nil {
293		return nil, result.Error
294	}
295
296	m := list.Map(medias, func(s *Media) *repository.Media {
297		return s.ToModel()
298	})
299
300	return m, nil
301}
302
303func (r *MediaRepository) ListEmptyThumbnail(ctx context.Context, pagination *repository.Pagination) ([]*repository.Media, error) {
304	medias := make([]*Media, 0)
305	result := r.db.
306		WithContext(ctx).
307		Model(&Media{}).
308		Joins("left join media_thumbnails on media.id = media_thumbnails.media_id").
309		Where("media_thumbnails.media_id IS NULL AND media.path like '" + pagination.Path + "%'").
310		Offset(pagination.Page * pagination.Size).
311		Limit(pagination.Size).
312		Order("media.created_at DESC").
313		Find(&medias)
314
315	if result.Error != nil {
316		return nil, result.Error
317	}
318
319	m := list.Map(medias, func(s *Media) *repository.Media {
320		return s.ToModel()
321	})
322
323	return m, nil
324}
325
326func (m *MediaRepository) GetThumbnail(ctx context.Context, mediaID uint) (*repository.MediaThumbnail, error) {
327	thumbnail := &MediaThumbnail{}
328	result := m.db.
329		WithContext(ctx).
330		Model(&Media{}).
331		Where("media_id = ?", mediaID).
332		Limit(1).
333		Take(m)
334
335	if result.Error != nil {
336		return nil, result.Error
337	}
338
339	return thumbnail.ToModel(), nil
340}
341
342func (m *MediaRepository) CreateThumbnail(ctx context.Context, mediaID uint, thumbnail *repository.MediaThumbnail) error {
343	media := &MediaThumbnail{
344		MediaID: mediaID,
345		Path:    thumbnail.Path,
346	}
347
348	result := m.db.
349		WithContext(ctx).
350		Create(media)
351	if result.Error != nil {
352		return result.Error
353	}
354
355	return nil
356}
357
358func (r *MediaRepository) ListEmptyAlbums(ctx context.Context, pagination *repository.Pagination) ([]*repository.Media, error) {
359	medias := make([]*Media, 0)
360	result := r.db.
361		WithContext(ctx).
362		Model(&Media{}).
363		Joins("left join media_album_files on media.id = media_album_files.media_id").
364		Where("media_album_files.media_id IS NULL").
365		Offset(pagination.Page * pagination.Size).
366		Limit(pagination.Size).
367		Order("media.created_at DESC").
368		Find(&medias)
369
370	if result.Error != nil {
371		return nil, result.Error
372	}
373
374	m := list.Map(medias, func(s *Media) *repository.Media {
375		return s.ToModel()
376	})
377
378	return m, nil
379}
380
381func (m *MediaRepository) ExistsAlbumByAbsolutePath(ctx context.Context, path string) (bool, error) {
382	var exists bool
383	result := m.db.
384		WithContext(ctx).
385		Model(&MediaAlbum{}).
386		Select("count(id) > 0").
387		Where("path = ?", path).
388		Find(&exists)
389
390	if result.Error != nil {
391		return false, result.Error
392	}
393
394	return exists, nil
395}
396
397func (r *MediaRepository) GetAlbumByAbsolutePath(ctx context.Context, path string) (*repository.Album, error) {
398	m := &MediaAlbum{}
399	result := r.db.
400		WithContext(ctx).
401		Model(&MediaAlbum{}).
402		Where("path = ?", path).
403		Limit(1).
404		Take(m)
405
406	if result.Error != nil {
407		return nil, result.Error
408	}
409
410	return m.ToModel(), nil
411}
412
413func (r *MediaRepository) GetAlbum(ctx context.Context, albumID uint) (*repository.Album, error) {
414	m := &MediaAlbum{}
415	result := r.db.
416		WithContext(ctx).
417		Model(&MediaAlbum{}).
418		Where("id = ?", albumID).
419		Limit(1).
420		Take(m)
421
422	if result.Error != nil {
423		return nil, result.Error
424	}
425
426	return m.ToModel(), nil
427}
428
429func (m *MediaRepository) CreateAlbum(ctx context.Context, createAlbum *repository.CreateAlbum) (*repository.Album, error) {
430	album := &MediaAlbum{
431		ParentID: createAlbum.ParentID,
432		Name:     createAlbum.Name,
433		Path:     createAlbum.Path,
434	}
435
436	result := m.db.
437		WithContext(ctx).
438		Create(album)
439	if result.Error != nil {
440		return nil, result.Error
441	}
442
443	return album.ToModel(), nil
444}
445
446func (m *MediaRepository) CreateAlbumFile(ctx context.Context, createAlbumFile *repository.CreateAlbumFile) error {
447	albumFile := &MediaAlbumFile{
448		MediaID: createAlbumFile.MediaID,
449		AlbumID: createAlbumFile.AlbumID,
450	}
451
452	result := m.db.
453		WithContext(ctx).
454		Create(albumFile)
455	if result.Error != nil {
456		return result.Error
457	}
458
459	return nil
460}
461
462func (m *MediaRepository) ListAlbums(ctx context.Context, albumID uint) ([]*repository.Album, error) {
463	albums := make([]*MediaAlbum, 0)
464
465	result := m.db.
466		WithContext(ctx).
467		Model(&MediaAlbum{}).
468		Where("parent_id = ?", albumID).
469		Find(&albums)
470
471	if result.Error != nil {
472		return nil, result.Error
473	}
474
475	return list.Map(albums, func(a *MediaAlbum) *repository.Album {
476		return a.ToModel()
477	}), nil
478}