128 lines
7.2 KiB
Go
128 lines
7.2 KiB
Go
// GoToSocial
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// Copyright (C) GoToSocial Authors admin@gotosocial.org
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// SPDX-License-Identifier: AGPL-3.0-or-later
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package gtsmodel
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import (
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"time"
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)
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// MediaAttachment represents a user-uploaded media attachment: an image/video/audio/gif that is
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// somewhere in storage and that can be retrieved and served by the router.
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type MediaAttachment struct {
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ID string `bun:"type:CHAR(26),pk,nullzero,notnull,unique"` // id of this item in the database
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CreatedAt time.Time `bun:"type:timestamptz,nullzero,notnull,default:current_timestamp"` // when was item created
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UpdatedAt time.Time `bun:"type:timestamptz,nullzero,notnull,default:current_timestamp"` // when was item last updated
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StatusID string `bun:"type:CHAR(26),nullzero"` // ID of the status to which this is attached
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URL string `bun:",nullzero"` // Where can the attachment be retrieved on *this* server
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RemoteURL string `bun:",nullzero"` // Where can the attachment be retrieved on a remote server (empty for local media)
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Type FileType `bun:",notnull"` // Type of file (image/gifv/audio/video/unknown)
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FileMeta FileMeta `bun:",embed:,notnull"` // Metadata about the file
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AccountID string `bun:"type:CHAR(26),nullzero,notnull"` // To which account does this attachment belong
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Description string `bun:""` // Description of the attachment (for screenreaders)
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ScheduledStatusID string `bun:"type:CHAR(26),nullzero"` // To which scheduled status does this attachment belong
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Blurhash string `bun:",nullzero"` // What is the generated blurhash of this attachment
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Processing ProcessingStatus `bun:",notnull,default:2"` // What is the processing status of this attachment
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File File `bun:",embed:file_,notnull,nullzero"` // metadata for the whole file
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Thumbnail Thumbnail `bun:",embed:thumbnail_,notnull,nullzero"` // small image thumbnail derived from a larger image, video, or audio file.
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Avatar *bool `bun:",nullzero,notnull,default:false"` // Is this attachment being used as an avatar?
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Header *bool `bun:",nullzero,notnull,default:false"` // Is this attachment being used as a header?
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Cached *bool `bun:",nullzero,notnull,default:false"` // Is this attachment currently cached by our instance?
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}
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// IsLocal returns whether media attachment is local.
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func (m *MediaAttachment) IsLocal() bool {
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return m.RemoteURL == ""
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}
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// IsRemote returns whether media attachment is remote.
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func (m *MediaAttachment) IsRemote() bool {
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return m.RemoteURL != ""
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}
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// File refers to the metadata for the whole file
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type File struct {
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Path string `bun:",notnull"` // Path of the file in storage.
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ContentType string `bun:",notnull"` // MIME content type of the file.
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FileSize int `bun:",notnull"` // File size in bytes
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}
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// Thumbnail refers to a small image thumbnail derived from a larger image, video, or audio file.
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type Thumbnail struct {
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Path string `bun:",notnull"` // Path of the file in storage.
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ContentType string `bun:",notnull"` // MIME content type of the file.
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FileSize int `bun:",notnull"` // File size in bytes
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URL string `bun:",nullzero"` // What is the URL of the thumbnail on the local server
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RemoteURL string `bun:",nullzero"` // What is the remote URL of the thumbnail (empty for local media)
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}
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// ProcessingStatus refers to how far along in the processing stage the attachment is.
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type ProcessingStatus int
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// MediaAttachment processing states.
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const (
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ProcessingStatusReceived ProcessingStatus = 0 // ProcessingStatusReceived indicates the attachment has been received and is awaiting processing. No thumbnail available yet.
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ProcessingStatusProcessing ProcessingStatus = 1 // ProcessingStatusProcessing indicates the attachment is currently being processed. Thumbnail is available but full media is not.
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ProcessingStatusProcessed ProcessingStatus = 2 // ProcessingStatusProcessed indicates the attachment has been fully processed and is ready to be served.
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ProcessingStatusError ProcessingStatus = 666 // ProcessingStatusError indicates something went wrong processing the attachment and it won't be tried again--these can be deleted.
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)
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// FileType refers to the file type of the media attaachment.
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type FileType string
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// MediaAttachment file types.
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const (
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FileTypeImage FileType = "Image" // FileTypeImage is for jpegs, pngs, and standard gifs
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FileTypeGifv FileType = "Gifv" // FileTypeGif is for soundless looping videos that behave like gifs
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FileTypeAudio FileType = "Audio" // FileTypeAudio is for audio-only files (no video)
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FileTypeVideo FileType = "Video" // FileTypeVideo is for files with audio + visual
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FileTypeUnknown FileType = "Unknown" // FileTypeUnknown is for unknown file types (surprise surprise!)
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)
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// FileMeta describes metadata about the actual contents of the file.
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type FileMeta struct {
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Original Original `bun:"embed:original_"`
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Small Small `bun:"embed:small_"`
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Focus Focus `bun:"embed:focus_"`
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}
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// Small can be used for a thumbnail of any media type
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type Small struct {
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Width int // width in pixels
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Height int // height in pixels
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Size int // size in pixels (width * height)
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Aspect float32 // aspect ratio (width / height)
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}
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// Original can be used for original metadata for any media type
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type Original struct {
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Width int // width in pixels
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Height int // height in pixels
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Size int // size in pixels (width * height)
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Aspect float32 // aspect ratio (width / height)
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Duration *float32 // video-specific: duration of the video in seconds
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Framerate *float32 // video-specific: fps
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Bitrate *uint64 // video-specific: bitrate
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}
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// Focus describes the 'center' of the image for display purposes.
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// X and Y should each be between -1 and 1
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type Focus struct {
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X float32
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Y float32
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}
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