/
mediaattachment.go
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/
mediaattachment.go
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// GoToSocial
// Copyright (C) GoToSocial Authors admin@gotosocial.org
// SPDX-License-Identifier: AGPL-3.0-or-later
//
// 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"
)
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:"type:timestamptz,nullzero,notnull,default:current_timestamp"` // when was item created
UpdatedAt time.Time `validate:"-" bun:"type:timestamptz,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:",nullzero,notnull"` // Type of file (image/gif/audio/video)
FileMeta FileMeta `validate:"required" bun:",embed:,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:""` // 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:",embed:file_,notnull,nullzero"` // metadata for the whole file
Thumbnail Thumbnail `validate:"required" bun:",embed:thumbnail_,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?
Cached bool `validate:"-" bun:",notnull"` // Is this attachment currently cached by our instance?
}
// 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:",notnull"` // File size in bytes
UpdatedAt time.Time `validate:"-" bun:"type:timestamptz,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:",notnull"` // File size in bytes
UpdatedAt time.Time `validate:"-" bun:"type:timestamptz,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" bun:"embed:original_"`
Small Small `bun:"embed:small_"`
Focus Focus `bun:"embed: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"`
}