119 lines
8.6 KiB
Go
119 lines
8.6 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
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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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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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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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*/
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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 `validate:"required,ulid" bun:"type:CHAR(26),pk,nullzero,notnull,unique"` // id of this item in the database
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CreatedAt time.Time `validate:"-" bun:"type:timestamptz,nullzero,notnull,default:current_timestamp"` // when was item created
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UpdatedAt time.Time `validate:"-" bun:"type:timestamptz,nullzero,notnull,default:current_timestamp"` // when was item last updated
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StatusID string `validate:"omitempty,ulid" bun:"type:CHAR(26),nullzero"` // ID of the status to which this is attached
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URL string `validate:"required_without=RemoteURL,omitempty,url" bun:",nullzero"` // Where can the attachment be retrieved on *this* server
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RemoteURL string `validate:"required_without=URL,omitempty,url" bun:",nullzero"` // Where can the attachment be retrieved on a remote server (empty for local media)
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Type FileType `validate:"oneof=Image Gif Audio Video Unknown" bun:",nullzero,notnull"` // Type of file (image/gif/audio/video)
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FileMeta FileMeta `validate:"required" bun:",embed:filemeta_,nullzero,notnull"` // Metadata about the file
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AccountID string `validate:"required,ulid" bun:"type:CHAR(26),nullzero,notnull"` // To which account does this attachment belong
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Account *Account `validate:"-" bun:"rel:has-one"` // Account corresponding to accountID
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Description string `validate:"-" bun:""` // Description of the attachment (for screenreaders)
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ScheduledStatusID string `validate:"omitempty,ulid" bun:"type:CHAR(26),nullzero"` // To which scheduled status does this attachment belong
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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
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Processing ProcessingStatus `validate:"oneof=0 1 2 666" bun:",notnull,default:2"` // What is the processing status of this attachment
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File File `validate:"required" bun:",embed:file_,notnull,nullzero"` // metadata for the whole file
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Thumbnail Thumbnail `validate:"required" bun:",embed:thumbnail_,notnull,nullzero"` // small image thumbnail derived from a larger image, video, or audio file.
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Avatar bool `validate:"-" bun:",notnull,default:false"` // Is this attachment being used as an avatar?
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Header bool `validate:"-" bun:",notnull,default:false"` // Is this attachment being used as a header?
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Cached bool `validate:"-" bun:",notnull"` // Is this attachment currently cached by our instance?
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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 `validate:"required,file" bun:",nullzero,notnull"` // Path of the file in storage.
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ContentType string `validate:"required" bun:",nullzero,notnull"` // MIME content type of the file.
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FileSize int `validate:"required" bun:",notnull"` // File size in bytes
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UpdatedAt time.Time `validate:"-" bun:"type:timestamptz,nullzero,notnull,default:current_timestamp"` // When was the file last updated.
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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 `validate:"required,file" bun:",nullzero,notnull"` // Path of the file in storage.
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ContentType string `validate:"required" bun:",nullzero,notnull"` // MIME content type of the file.
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FileSize int `validate:"required" bun:",notnull"` // File size in bytes
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UpdatedAt time.Time `validate:"-" bun:"type:timestamptz,nullzero,notnull,default:current_timestamp"` // When was the file last updated.
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URL string `validate:"required_without=RemoteURL,omitempty,url" bun:",nullzero"` // What is the URL of the thumbnail on the local server
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RemoteURL string `validate:"required_without=URL,omitempty,url" 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 and pngs
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FileTypeGif FileType = "Gif" // FileTypeGif is for native gifs and soundless videos that have been converted to 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 `validate:"required" 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 `validate:"required_with=Height Size Aspect"` // width in pixels
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Height int `validate:"required_with=Width Size Aspect"` // height in pixels
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Size int `validate:"required_with=Width Height Aspect"` // size in pixels (width * height)
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Aspect float64 `validate:"required_with=Widhth Height Size"` // 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 `validate:"required_with=Height Size Aspect"` // width in pixels
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Height int `validate:"required_with=Width Size Aspect"` // height in pixels
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Size int `validate:"required_with=Width Height Aspect"` // size in pixels (width * height)
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Aspect float64 `validate:"required_with=Widhth Height Size"` // aspect ratio (width / height)
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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 `validate:"omitempty,max=1,min=-1"`
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Y float32 `validate:"omitempty,max=1,min=-1"`
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}
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