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Upload File : |
( function () {
/**
* @classdesc Upload to a wiki. Most of the functionality is implemented
* in {@link mw.Api#upload} and friends, but this model class will tie it
* together as well as let you perform actions in a logical way.
*
* A simple example:
* ```
* var file = new OO.ui.SelectFileWidget(),
* button = new OO.ui.ButtonWidget( { label: 'Save' } ),
* upload = new mw.Upload;
*
* button.on( 'click', () => {
* upload.setFile( file.getValue() );
* upload.setFilename( file.getValue().name );
* upload.upload();
* } );
*
* $( document.body ).append( file.$element, button.$element );
* ```
* You can also choose to {@link mw.Upload#uploadToStash stash the upload}
* and {@link mw.Upload#finishStashUpload finalize} it later:
* ```
* var file, // Some file object
* upload = new mw.Upload,
* stashPromise = $.Deferred();
*
* upload.setFile( file );
* upload.uploadToStash().then( () => {
* stashPromise.resolve();
* } );
*
* stashPromise.then( () => {
* upload.setFilename( 'foo' );
* upload.setText( 'bar' );
* upload.finishStashUpload().then( () => {
* console.log( 'Done!' );
* } );
* } );
* ```
* @class mw.Upload
*
* @constructor
* @description Used to represent an upload in progress on the frontend.
* @param {Object|mw.Api} [apiconfig] A mw.Api object (or subclass), or configuration
* to pass to the constructor of mw.Api.
*/
function Upload( apiconfig ) {
this.api = ( apiconfig instanceof mw.Api ) ? apiconfig : new mw.Api( apiconfig );
this.watchlist = false;
this.text = '';
this.comment = '';
this.filename = null;
this.file = null;
this.setState( Upload.State.NEW );
this.imageinfo = undefined;
}
const UP = Upload.prototype;
/**
* Get the mw.Api instance used by this Upload object.
*
* @name mw.Upload.prototype.getApi
* @method
* @return {jQuery.Promise<mw.Api>}
*/
UP.getApi = function () {
return $.Deferred().resolve( this.api ).promise();
};
/**
* Set the text of the file page, to be created on file upload.
*
* @name mw.Upload.prototype.setText
* @method
* @param {string} text
*/
UP.setText = function ( text ) {
this.text = text;
};
/**
* Set the filename, to be finalized on upload.
*
* @name mw.Upload.prototype.setFilename
* @method
* @param {string} filename
*/
UP.setFilename = function ( filename ) {
this.filename = filename;
};
/**
* Set the stashed file to finish uploading.
*
* @name mw.Upload.prototype.setFilekey
* @method
* @param {string} filekey
*/
UP.setFilekey = function ( filekey ) {
this.setState( Upload.State.STASHED );
this.stashPromise = $.Deferred().resolve( ( data ) => this.api.uploadFromStash( filekey, data ) );
};
/**
* Sets the filename based on the filename as it was on the upload.
*
* @name mw.Upload.prototype.setFilenameFromFile
* @method
*/
UP.setFilenameFromFile = function () {
const file = this.getFile();
if ( !file ) {
return;
}
if ( file.nodeType && file.nodeType === Node.ELEMENT_NODE ) {
// File input element, use getBasename to cut out the path
this.setFilename( this.getBasename( file.value ) );
} else if ( file.name ) {
// HTML5 FileAPI File object, but use getBasename to be safe
this.setFilename( this.getBasename( file.name ) );
} else {
// If we ever implement uploading files from clipboard, they might not have a name
this.setFilename( '?' );
}
};
/**
* Set the file to be uploaded.
*
* @name mw.Upload.prototype.setFile
* @method
* @param {HTMLInputElement|File|Blob} file
*/
UP.setFile = function ( file ) {
this.file = file;
};
/**
* Set whether the file should be watchlisted after upload.
*
* @name mw.Upload.prototype.setWatchlist
* @method
* @param {boolean} watchlist
*/
UP.setWatchlist = function ( watchlist ) {
this.watchlist = watchlist;
};
/**
* Set the edit comment for the upload.
*
* @name mw.Upload.prototype.setComment
* @method
* @param {string} comment
*/
UP.setComment = function ( comment ) {
this.comment = comment;
};
/**
* Get the text of the file page, to be created on file upload.
*
* @name mw.Upload.prototype.getText
* @method
* @return {string}
*/
UP.getText = function () {
return this.text;
};
/**
* Get the filename, to be finalized on upload.
*
* @name mw.Upload.prototype.getFilename
* @method
* @return {string}
*/
UP.getFilename = function () {
return this.filename;
};
/**
* Get the file being uploaded.
*
* @name mw.Upload.prototype.getFile
* @method
* @return {HTMLInputElement|File|Blob}
*/
UP.getFile = function () {
return this.file;
};
/**
* Get the boolean for whether the file will be watchlisted after upload.
*
* @name mw.Upload.prototype.getWatchlist
* @method
* @return {boolean}
*/
UP.getWatchlist = function () {
return this.watchlist;
};
/**
* Get the current value of the edit comment for the upload.
*
* @name mw.Upload.prototype.getComment
* @method
* @return {string}
*/
UP.getComment = function () {
return this.comment;
};
/**
* Gets the base filename from a path name.
*
* @name mw.Upload.prototype.getBasename
* @method
* @param {string} path
* @return {string}
*/
UP.getBasename = function ( path ) {
if ( path === undefined || path === null ) {
return '';
}
// Find the index of the last path separator in the
// path, and add 1. Then, take the entire string after that.
return path.slice(
Math.max(
path.lastIndexOf( '/' ),
path.lastIndexOf( '\\' )
) + 1
);
};
/**
* Sets the state and state details (if any) of the upload.
*
* @name mw.Upload.prototype.setState
* @method
* @param {mw.Upload.State} state
* @param {Object} stateDetails
*/
UP.setState = function ( state, stateDetails ) {
this.state = state;
this.stateDetails = stateDetails;
};
/**
* Gets the state of the upload.
*
* @name mw.Upload.prototype.getState
* @method
* @return {mw.Upload.State}
*/
UP.getState = function () {
return this.state;
};
/**
* Gets details of the current state.
*
* @name mw.Upload.prototype.getStateDetails
* @method
* @return {string}
*/
UP.getStateDetails = function () {
return this.stateDetails;
};
/**
* Get the imageinfo object for the finished upload.
* Only available once the upload is finished! Don't try to get it
* beforehand.
*
* @name mw.Upload.prototype.getImageInfo
* @method
* @return {Object|undefined}
*/
UP.getImageInfo = function () {
return this.imageinfo;
};
/**
* Upload the file directly.
*
* @name mw.Upload.prototype.upload
* @method
* @return {jQuery.Promise}
*/
UP.upload = function () {
if ( !this.getFile() ) {
return $.Deferred().reject( 'No file to upload. Call setFile to add one.' );
}
if ( !this.getFilename() ) {
return $.Deferred().reject( 'No filename set. Call setFilename to add one.' );
}
this.setState( Upload.State.UPLOADING );
return this.api.chunkedUpload( this.getFile(), {
watchlist: ( this.getWatchlist() ) ? 1 : undefined,
comment: this.getComment(),
filename: this.getFilename(),
text: this.getText()
} ).then( ( result ) => {
this.setState( Upload.State.UPLOADED );
this.imageinfo = result.upload.imageinfo;
return result;
}, ( errorCode, result ) => {
if ( result && result.upload && result.upload.warnings ) {
this.setState( Upload.State.WARNING, result );
} else {
this.setState( Upload.State.ERROR, result );
}
return $.Deferred().reject( errorCode, result );
} );
};
/**
* Upload the file to the stash to be completed later.
*
* @name mw.Upload.prototype.uploadToStash
* @method
* @return {jQuery.Promise}
*/
UP.uploadToStash = function () {
if ( !this.getFile() ) {
return $.Deferred().reject( 'No file to upload. Call setFile to add one.' );
}
if ( !this.getFilename() ) {
this.setFilenameFromFile();
}
this.setState( Upload.State.UPLOADING );
this.stashPromise = this.api.chunkedUploadToStash( this.getFile(), {
ignorewarnings: true,
filename: this.getFilename()
} ).then( ( finishStash ) => {
this.setState( Upload.State.STASHED );
return finishStash;
}, ( errorCode, result ) => {
if ( result && result.upload && result.upload.warnings ) {
this.setState( Upload.State.WARNING, result );
} else {
this.setState( Upload.State.ERROR, result );
}
return $.Deferred().reject( errorCode, result );
} );
return this.stashPromise;
};
/**
* Finish a stash upload.
*
* @name mw.Upload.prototype.finishStashUpload
* @method
* @return {jQuery.Promise}
*/
UP.finishStashUpload = function () {
if ( !this.stashPromise ) {
return $.Deferred().reject( 'This upload has not been stashed, please upload it to the stash first.' );
}
return this.stashPromise.then( ( finishStash ) => {
this.setState( Upload.State.UPLOADING );
return finishStash( {
ignorewarnings: false,
watchlist: ( this.getWatchlist() ) ? 1 : undefined,
comment: this.getComment(),
filename: this.getFilename(),
text: this.getText()
} ).then( ( result ) => {
this.setState( Upload.State.UPLOADED );
this.imageinfo = result.upload.imageinfo;
return result;
}, ( errorCode, result ) => {
if ( result && result.upload && result.upload.warnings ) {
this.setState( Upload.State.WARNING, result );
} else {
this.setState( Upload.State.ERROR, result );
}
return $.Deferred().reject( errorCode, result );
} );
} );
};
mw.Upload = Upload;
/**
* @enum
*
* State of uploads represented in simple terms.
*/
mw.Upload.State = {
/** Upload not yet started */
NEW: 0,
/** Upload finished, but there was a warning */
WARNING: 1,
/** Upload finished, but there was an error */
ERROR: 2,
/** Upload in progress */
UPLOADING: 3,
/** Upload finished, but not published, call #finishStashUpload */
STASHED: 4,
/** Upload finished and published */
UPLOADED: 5
};
}() );