resources/src/mediawiki.ForeignStructuredUpload.js

   1 ( function () {
   2         /**
   3          * Used to represent an upload in progress on the frontend.
   4          *
   5          * This subclass will upload to a wiki using a structured metadata
   6          * system similar to (or identical to) the one on Wikimedia Commons.
   7          *
   8          * See <https://commons.wikimedia.org/wiki/Commons:Structured_data> for
   9          * a more detailed description of how that system works.
  10          *
  11          * **TODO: This currently only supports uploads under CC-BY-SA 4.0,
  12          * and should really have support for more licenses.**
  13          *
  14          * @class mw.ForeignStructuredUpload
  15          * @extends mw.ForeignUpload
  16          *
  17          * @constructor
  18          * @param {string} [target]
  19          * @param {Object} [apiconfig]
  20          */
  21         function ForeignStructuredUpload( target, apiconfig ) {
  22                 this.date = undefined;
  23                 this.descriptions = [];
  24                 this.categories = [];
  25
  26                 // Config for uploads to local wiki.
  27                 // Can be overridden with foreign wiki config when #loadConfig is called.
  28                 this.config = mw.config.get( 'wgUploadDialog' );
  29
  30                 mw.ForeignUpload.call( this, target, apiconfig );
  31         }
  32
  33         OO.inheritClass( ForeignStructuredUpload, mw.ForeignUpload );
  34
  35         /**
  36          * Get the configuration for the form and filepage from the foreign wiki, if any, and use it for
  37          * this upload.
  38          *
  39          * @return {jQuery.Promise} Promise returning config object
  40          */
  41         ForeignStructuredUpload.prototype.loadConfig = function () {
  42                 var deferred,
  43                         upload = this;
  44
  45                 if ( this.configPromise ) {
  46                         return this.configPromise;
  47                 }
  48
  49                 if ( this.target === 'local' ) {
  50                         deferred = $.Deferred();
  51                         setTimeout( function () {
  52                                 // Resolve asynchronously, so that it's harder to accidentally write synchronous code that
  53                                 // will break for cross-wiki uploads
  54                                 deferred.resolve( upload.config );
  55                         } );
  56                         this.configPromise = deferred.promise();
  57                 } else {
  58                         this.configPromise = this.apiPromise.then( function ( api ) {
  59                                 // Get the config from the foreign wiki
  60                                 return api.get( {
  61                                         action: 'query',
  62                                         meta: 'siteinfo',
  63                                         siprop: 'uploaddialog',
  64                                         // For convenient true/false booleans
  65                                         formatversion: 2
  66                                 } ).then( function ( resp ) {
  67                                         // Foreign wiki might be running a pre-1.27 MediaWiki, without support for this
  68                                         if ( resp.query && resp.query.uploaddialog ) {
  69                                                 upload.config = resp.query.uploaddialog;
  70                                                 return upload.config;
  71                                         } else {
  72                                                 return $.Deferred().reject( 'upload-foreign-cant-load-config' );
  73                                         }
  74                                 }, function () {
  75                                         return $.Deferred().reject( 'upload-foreign-cant-load-config' );
  76                                 } );
  77                         } );
  78                 }
  79
  80                 return this.configPromise;
  81         };
  82
  83         /**
  84          * Add categories to the upload.
  85          *
  86          * @param {string[]} categories Array of categories to which this upload will be added.
  87          */
  88         ForeignStructuredUpload.prototype.addCategories = function ( categories ) {
  89                 // The length of the array must be less than 10000.
  90                 // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/push#Merging_two_arrays
  91                 Array.prototype.push.apply( this.categories, categories );
  92         };
  93
  94         /**
  95          * Empty the list of categories for the upload.
  96          */
  97         ForeignStructuredUpload.prototype.clearCategories = function () {
  98                 this.categories = [];
  99         };
 100
 101         /**
 102          * Add a description to the upload.
 103          *
 104          * @param {string} language The language code for the description's language. Must have a template on the target wiki to work properly.
 105          * @param {string} description The description of the file.
 106          */
 107         ForeignStructuredUpload.prototype.addDescription = function ( language, description ) {
 108                 this.descriptions.push( {
 109                         language: language,
 110                         text: description
 111                 } );
 112         };
 113
 114         /**
 115          * Empty the list of descriptions for the upload.
 116          */
 117         ForeignStructuredUpload.prototype.clearDescriptions = function () {
 118                 this.descriptions = [];
 119         };
 120
 121         /**
 122          * Set the date of creation for the upload.
 123          *
 124          * @param {Date} date
 125          */
 126         ForeignStructuredUpload.prototype.setDate = function ( date ) {
 127                 this.date = date;
 128         };
 129
 130         /**
 131          * Get the text of the file page, to be created on upload. Brings together
 132          * several different pieces of information to create useful text.
 133          *
 134          * @return {string}
 135          */
 136         ForeignStructuredUpload.prototype.getText = function () {
 137                 return this.config.format.filepage
 138                         // Replace "named parameters" with the given information
 139                         .replace( '$DESCRIPTION', this.getDescriptions() )
 140                         .replace( '$DATE', this.getDate() )
 141                         .replace( '$SOURCE', this.getSource() )
 142                         .replace( '$AUTHOR', this.getUser() )
 143                         .replace( '$LICENSE', this.getLicense() )
 144                         .replace( '$CATEGORIES', this.getCategories() );
 145         };
 146
 147         /**
 148          * @inheritdoc
 149          */
 150         ForeignStructuredUpload.prototype.getComment = function () {
 151                 var
 152                         isLocal = this.target === 'local',
 153                         comment = typeof this.config.comment === 'string' ?
 154                                 this.config.comment :
 155                                 this.config.comment[ isLocal ? 'local' : 'foreign' ];
 156                 return comment
 157                         .replace( '$PAGENAME', mw.config.get( 'wgPageName' ) )
 158                         .replace( '$HOST', location.host );
 159         };
 160
 161         /**
 162          * Gets the wikitext for the creation date of this upload.
 163          *
 164          * @private
 165          * @return {string}
 166          */
 167         ForeignStructuredUpload.prototype.getDate = function () {
 168                 if ( !this.date ) {
 169                         return '';
 170                 }
 171
 172                 return this.date.toString();
 173         };
 174
 175         /**
 176          * Fetches the wikitext for any descriptions that have been added
 177          * to the upload.
 178          *
 179          * @private
 180          * @return {string}
 181          */
 182         ForeignStructuredUpload.prototype.getDescriptions = function () {
 183                 var upload = this;
 184                 return this.descriptions.map( function ( desc ) {
 185                         return upload.config.format.description
 186                                 .replace( '$LANGUAGE', desc.language )
 187                                 .replace( '$TEXT', desc.text );
 188                 } ).join( '\n' );
 189         };
 190
 191         /**
 192          * Fetches the wikitext for the categories to which the upload will
 193          * be added.
 194          *
 195          * @private
 196          * @return {string}
 197          */
 198         ForeignStructuredUpload.prototype.getCategories = function () {
 199                 if ( this.categories.length === 0 ) {
 200                         return this.config.format.uncategorized;
 201                 }
 202
 203                 return this.categories.map( function ( cat ) {
 204                         return '[[Category:' + cat + ']]';
 205                 } ).join( '\n' );
 206         };
 207
 208         /**
 209          * Gets the wikitext for the license of the upload.
 210          *
 211          * @private
 212          * @return {string}
 213          */
 214         ForeignStructuredUpload.prototype.getLicense = function () {
 215                 return this.config.format.license;
 216         };
 217
 218         /**
 219          * Get the source. This should be some sort of localised text for "Own work".
 220          *
 221          * @private
 222          * @return {string}
 223          */
 224         ForeignStructuredUpload.prototype.getSource = function () {
 225                 return this.config.format.ownwork;
 226         };
 227
 228         /**
 229          * Get the username.
 230          *
 231          * @private
 232          * @return {string}
 233          */
 234         ForeignStructuredUpload.prototype.getUser = function () {
 235                 var username, namespace;
 236                 // Do not localise, we don't know the language of target wiki
 237                 namespace = 'User';
 238                 username = mw.config.get( 'wgUserName' );
 239                 if ( !username ) {
 240                         // The user is not logged in locally. However, they might be logged in on the foreign wiki.
 241                         // We should record their username there. (If they're not logged in there either, this will
 242                         // record the IP address.) It's also possible that the user opened this dialog, got an error
 243                         // about not being logged in, logged in in another browser tab, then continued uploading.
 244                         username = '{{subst:REVISIONUSER}}';
 245                 }
 246                 return '[[' + namespace + ':' + username + '|' + username + ']]';
 247         };
 248
 249         mw.ForeignStructuredUpload = ForeignStructuredUpload;
 250 }() );