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Diffstat (limited to 'internal/db/bundb/migrations/20210816411877_struct_validation/mediaattachment.go')
| -rw-r--r-- | internal/db/bundb/migrations/20210816411877_struct_validation/mediaattachment.go | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/internal/db/bundb/migrations/20210816411877_struct_validation/mediaattachment.go b/internal/db/bundb/migrations/20210816411877_struct_validation/mediaattachment.go new file mode 100644 index 000000000..53f226ad7 --- /dev/null +++ b/internal/db/bundb/migrations/20210816411877_struct_validation/mediaattachment.go @@ -0,0 +1,117 @@ +/* + GoToSocial + Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU Affero General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Affero General Public License for more details. + + You should have received a copy of the GNU Affero General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +package gtsmodel + +import ( + "time" +) + +// MediaAttachment represents a user-uploaded media attachment: an image/video/audio/gif that is +// somewhere in storage and that can be retrieved and served by the router. +type MediaAttachment struct { + ID string `validate:"required,ulid" bun:"type:CHAR(26),pk,nullzero,notnull,unique"` // id of this item in the database + CreatedAt time.Time `validate:"-" bun:",nullzero,notnull,default:current_timestamp"` // when was item created + UpdatedAt time.Time `validate:"-" bun:",nullzero,notnull,default:current_timestamp"` // when was item last updated + StatusID string `validate:"omitempty,ulid" bun:"type:CHAR(26),nullzero"` // ID of the status to which this is attached + URL string `validate:"required_without=RemoteURL,omitempty,url" bun:",nullzero"` // Where can the attachment be retrieved on *this* server + RemoteURL string `validate:"required_without=URL,omitempty,url" bun:",nullzero"` // Where can the attachment be retrieved on a remote server (empty for local media) + Type FileType `validate:"oneof=Image Gif Audio Video Unknown" bun:",notnull"` // Type of file (image/gif/audio/video) + FileMeta FileMeta `validate:"required" bun:",nullzero,notnull"` // Metadata about the file + AccountID string `validate:"required,ulid" bun:"type:CHAR(26),nullzero,notnull"` // To which account does this attachment belong + Account *Account `validate:"-" bun:"rel:has-one"` // Account corresponding to accountID + Description string `validate:"-" bun:",nullzero"` // Description of the attachment (for screenreaders) + ScheduledStatusID string `validate:"omitempty,ulid" bun:"type:CHAR(26),nullzero"` // To which scheduled status does this attachment belong + Blurhash string `validate:"required_if=Type Image,required_if=Type Gif,required_if=Type Video" bun:",nullzero"` // What is the generated blurhash of this attachment + Processing ProcessingStatus `validate:"oneof=0 1 2 666" bun:",notnull,default:2"` // What is the processing status of this attachment + File File `validate:"required" bun:",notnull,nullzero"` // metadata for the whole file + Thumbnail Thumbnail `validate:"required" bun:",notnull,nullzero"` // small image thumbnail derived from a larger image, video, or audio file. + Avatar bool `validate:"-" bun:",notnull,default:false"` // Is this attachment being used as an avatar? + Header bool `validate:"-" bun:",notnull,default:false"` // Is this attachment being used as a header? +} + +// File refers to the metadata for the whole file +type File struct { + Path string `validate:"required,file" bun:",nullzero,notnull"` // Path of the file in storage. + ContentType string `validate:"required" bun:",nullzero,notnull"` // MIME content type of the file. + FileSize int `validate:"required" bun:",nullzero,notnull"` // File size in bytes + UpdatedAt time.Time `validate:"-" bun:",nullzero,notnull,default:current_timestamp"` // When was the file last updated. +} + +// Thumbnail refers to a small image thumbnail derived from a larger image, video, or audio file. +type Thumbnail struct { + Path string `validate:"required,file" bun:",nullzero,notnull"` // Path of the file in storage. + ContentType string `validate:"required" bun:",nullzero,notnull"` // MIME content type of the file. + FileSize int `validate:"required" bun:",nullzero,notnull"` // File size in bytes + UpdatedAt time.Time `validate:"-" bun:",nullzero,notnull,default:current_timestamp"` // When was the file last updated. + URL string `validate:"required_without=RemoteURL,omitempty,url" bun:",nullzero"` // What is the URL of the thumbnail on the local server + RemoteURL string `validate:"required_without=URL,omitempty,url" bun:",nullzero"` // What is the remote URL of the thumbnail (empty for local media) +} + +// ProcessingStatus refers to how far along in the processing stage the attachment is. +type ProcessingStatus int + +// MediaAttachment processing states. +const ( + ProcessingStatusReceived ProcessingStatus = 0 // ProcessingStatusReceived indicates the attachment has been received and is awaiting processing. No thumbnail available yet. + ProcessingStatusProcessing ProcessingStatus = 1 // ProcessingStatusProcessing indicates the attachment is currently being processed. Thumbnail is available but full media is not. + ProcessingStatusProcessed ProcessingStatus = 2 // ProcessingStatusProcessed indicates the attachment has been fully processed and is ready to be served. + ProcessingStatusError ProcessingStatus = 666 // ProcessingStatusError indicates something went wrong processing the attachment and it won't be tried again--these can be deleted. +) + +// FileType refers to the file type of the media attaachment. +type FileType string + +// MediaAttachment file types. +const ( + FileTypeImage FileType = "Image" // FileTypeImage is for jpegs and pngs + FileTypeGif FileType = "Gif" // FileTypeGif is for native gifs and soundless videos that have been converted to gifs + FileTypeAudio FileType = "Audio" // FileTypeAudio is for audio-only files (no video) + FileTypeVideo FileType = "Video" // FileTypeVideo is for files with audio + visual + FileTypeUnknown FileType = "Unknown" // FileTypeUnknown is for unknown file types (surprise surprise!) +) + +// FileMeta describes metadata about the actual contents of the file. +type FileMeta struct { + Original Original `validate:"required"` + Small Small + Focus Focus +} + +// Small can be used for a thumbnail of any media type +type Small struct { + Width int `validate:"required_with=Height Size Aspect"` // width in pixels + Height int `validate:"required_with=Width Size Aspect"` // height in pixels + Size int `validate:"required_with=Width Height Aspect"` // size in pixels (width * height) + Aspect float64 `validate:"required_with=Widhth Height Size"` // aspect ratio (width / height) +} + +// Original can be used for original metadata for any media type +type Original struct { + Width int `validate:"required_with=Height Size Aspect"` // width in pixels + Height int `validate:"required_with=Width Size Aspect"` // height in pixels + Size int `validate:"required_with=Width Height Aspect"` // size in pixels (width * height) + Aspect float64 `validate:"required_with=Widhth Height Size"` // aspect ratio (width / height) +} + +// Focus describes the 'center' of the image for display purposes. +// X and Y should each be between -1 and 1 +type Focus struct { + X float32 `validate:"omitempty,max=1,min=-1"` + Y float32 `validate:"omitempty,max=1,min=-1"` +} |