redakcja/static/js/wiki/wikiapi.js

   1 (function($) {
   2         $.wikiapi = {};
   3         var noop = function() {
   4         };
   5         var noops = {
   6                 success: noop,
   7                 failure: noop
   8         };
   9         /*
  10          * Return absolute reverse path of given named view.
  11          * (at least he have it hard-coded in one place)
  12          *
  13          * TODO: think of a way, not to hard-code it here ;)
  14          *
  15          */
  16         function reverse() {
  17                 var vname = arguments[0];
  18                 var base_path = "/documents";
  19
  20                 if (vname == "ajax_document_text") {
  21                         var path = "/" + arguments[1] + "/text";
  22
  23                 if (arguments[2] !== undefined)
  24                                 path += "/" + arguments[2];
  25
  26                         return base_path + path;
  27                 }
  28
  29                 if (vname == "ajax_document_history") {
  30
  31                         return base_path + "/" + arguments[1] + "/history";
  32                 }
  33
  34                 if (vname == "ajax_document_gallery") {
  35
  36                         return base_path + "/gallery/" + arguments[1];
  37                 }
  38
  39                 if (vname == "ajax_document_diff")
  40                         return base_path + "/" + arguments[1] + "/diff";
  41
  42                 if (vname == "ajax_document_addtag")
  43                         return base_path + "/" + arguments[1] + "/tags";
  44
  45                 if (vname == "ajax_publish")
  46                         return base_path + "/" + arguments[1] + "/publish";
  47
  48                 if (vname == 'ping')
  49                     return base_path + '/ping/'
  50
  51                 console.log("Couldn't reverse match:", vname);
  52                 return "/404.html";
  53         };
  54
  55         /*
  56          * Document Abstraction
  57          */
  58         function WikiDocument(element_id) {
  59                 var meta = $('#' + element_id);
  60                 this.id = meta.attr('data-document-name');
  61
  62                 this.revision = $("*[data-key='revision']", meta).text();
  63                 this.readonly = !!$("*[data-key='readonly']", meta).text();
  64
  65                 this.galleryLink = $("*[data-key='gallery']", meta).text();
  66                 this.galleryImages = [];
  67                 this.text = null;
  68                 this.has_local_changes = false;
  69                 this._lock = -1;
  70                 this._context_lock = -1;
  71                 this._lock_count = 0;
  72         };
  73
  74         WikiDocument.prototype.triggerDocumentChanged = function() {
  75                 $(document).trigger('wlapi_document_changed', this);
  76         };
  77         /*
  78          * Fetch text of this document.
  79          */
  80         WikiDocument.prototype.fetch = function(params) {
  81                 params = $.extend({}, noops, params);
  82                 var self = this;
  83                 $.ajax({
  84                         method: "GET",
  85                         url: reverse("ajax_document_text", self.id),
  86                         data: {"revision": self.revision},
  87                         dataType: 'json',
  88                         success: function(data) {
  89                                 var changed = false;
  90
  91                                 if (self.text === null || self.revision !== data.revision) {
  92                                         self.text = data.text;
  93                                         self.revision = data.revision;
  94                                         self.gallery = data.gallery;
  95                                         changed = true;
  96                                         self.triggerDocumentChanged();
  97                                 };
  98
  99                                 self.has_local_changes = false;
 100                                 params['success'](self, changed);
 101                         },
 102                         error: function() {
 103                                 params['failure'](self, "Nie udało się wczytać treści dokumentu.");
 104                         }
 105                 });
 106         };
 107         /*
 108          * Fetch history of this document.
 109          *
 110          * from - First revision to fetch (default = 0)
 111          * upto - Last revision to fetch (default = tip)
 112          *
 113          */
 114         WikiDocument.prototype.fetchHistory = function(params) {
 115                 /* this doesn't modify anything, so no locks */
 116                 params = $.extend({}, noops, params);
 117                 var self = this;
 118                 $.ajax({
 119                         method: "GET",
 120                         url: reverse("ajax_document_history", self.id),
 121                         dataType: 'json',
 122                         data: {
 123                                 "from": params['from'],
 124                                 "upto": params['upto']
 125                         },
 126                         success: function(data) {
 127                                 params['success'](self, data);
 128                         },
 129                         error: function() {
 130                                 params['failure'](self, "Nie udało się wczytać historii dokumentu.");
 131                         }
 132                 });
 133         };
 134         WikiDocument.prototype.fetchDiff = function(params) {
 135                 /* this doesn't modify anything, so no locks */
 136                 var self = this;
 137                 params = $.extend({
 138                         'from': self.revision,
 139                         'to': self.revision
 140                 }, noops, params);
 141                 $.ajax({
 142                         method: "GET",
 143                         url: reverse("ajax_document_diff", self.id),
 144                         dataType: 'html',
 145                         data: {
 146                                 "from": params['from'],
 147                                 "to": params['to']
 148                         },
 149                         success: function(data) {
 150                                 params['success'](self, data);
 151                         },
 152                         error: function() {
 153                                 params['failure'](self, "Nie udało się wczytać porównania wersji.");
 154                         }
 155                 });
 156         };
 157
 158         /*
 159          * Fetch gallery
 160          */
 161         WikiDocument.prototype.refreshGallery = function(params) {
 162                 params = $.extend({}, noops, params);
 163                 var self = this;
 164                 $.ajax({
 165                         method: "GET",
 166                         url: reverse("ajax_document_gallery", self.galleryLink),
 167                         dataType: 'json',
 168                         // data: {},
 169                         success: function(data) {
 170                                 self.galleryImages = data;
 171                                 params['success'](self, data);
 172                         },
 173                         error: function() {
 174                                 self.galleryImages = [];
 175                                 params['failure'](self, "<p>Nie udało się wczytać gallerii pod nazwą: '" + self.galleryLink + "'.</p>");
 176                         }
 177                 });
 178         };
 179
 180         /*
 181          * Set document's text
 182          */
 183         WikiDocument.prototype.setText = function(text) {
 184                 this.text = text;
 185                 this.has_local_changes = true;
 186         };
 187
 188         /*
 189          * Set document's gallery link
 190          */
 191         WikiDocument.prototype.setGalleryLink = function(gallery) {
 192                 this.galleryLink = gallery;
 193                 this.has_local_changes = true;
 194         };
 195
 196         /*
 197          * Save text back to the server
 198          */
 199         WikiDocument.prototype.save = function(params) {
 200                 params = $.extend({}, noops, params);
 201                 var self = this;
 202
 203                 if (!self.has_local_changes) {
 204                         console.log("Abort: no changes.");
 205                         return params['success'](self, false, "Nie ma zmian do zapisania.");
 206                 };
 207
 208                 // Serialize form to dictionary
 209                 var data = {};
 210                 $.each(params['form'].serializeArray(), function() {
 211                         data[this.name] = this.value;
 212                 });
 213
 214                 var metaComment = '<!--';
 215                 metaComment += '\n\tgallery:' + self.galleryLink;
 216                 metaComment += '\n-->\n'
 217
 218                 data['textsave-text'] = metaComment + self.text;
 219
 220                 $.ajax({
 221                         url: reverse("ajax_document_text", self.id),
 222                         type: "POST",
 223                         dataType: "json",
 224                         data: data,
 225                         timeout: 5000,
 226                         success: function(data) {
 227                                 var changed = false;
 228
 229                                 if (data.text) {
 230                                         self.text = data.text;
 231                                         self.revision = data.revision;
 232                                         self.gallery = data.gallery;
 233                                         changed = true;
 234                                         self.triggerDocumentChanged();
 235                                 };
 236
 237                                 params['success'](self, changed, ((changed && "Udało się zapisać :)") || "Twoja wersja i serwera jest identyczna"));
 238                         },
 239                         error: function(xhr, msg) {
 240                                 if (msg == 'timeout') {
 241                                         params['failure'](self, {
 242                         "__message": "Przekroczony czas połączenia. Zmiany nie zostały zapisane."
 243                     });
 244                                 }
 245                                 else {
 246                     try {
 247                         params['failure'](self, $.parseJSON(xhr.responseText));
 248                     }
 249                     catch (e) {
 250                         params['failure'](self, {
 251                             "__message": "Nie udało się zapisać - błąd serwera."
 252                         });
 253                     };
 254                                 }
 255                         }
 256                 });
 257         }; /* end of save() */
 258
 259         WikiDocument.prototype.publish = function(params) {
 260                 params = $.extend({}, noops, params);
 261                 var self = this;
 262                 $.ajax({
 263                         url: reverse("ajax_publish", self.id),
 264                         type: "POST",
 265                         dataType: "json",
 266                         success: function(data) {
 267                                 params.success(self, data);
 268                         },
 269                         error: function(xhr) {
 270                                 if (xhr.status == 403 || xhr.status == 401) {
 271                                         params.failure(self, "Nie masz uprawnień lub nie jesteś zalogowany.");
 272                                 }
 273                                 else {
 274                                         try {
 275                                                 params.failure(self, xhr.responseText);
 276                                         }
 277                                         catch (e) {
 278                                                 params.failure(self, "Nie udało się - błąd serwera.");
 279                                         };
 280                                 };
 281
 282                         }
 283                 });
 284         };
 285         WikiDocument.prototype.setTag = function(params) {
 286                 params = $.extend({}, noops, params);
 287                 var self = this;
 288                 var data = {
 289                         "addtag-id": self.id,
 290                 };
 291
 292                 /* unpack form */
 293                 $.each(params.form.serializeArray(), function() {
 294                         data[this.name] = this.value;
 295                 });
 296
 297                 $.ajax({
 298                         url: reverse("ajax_document_addtag", self.id),
 299                         type: "POST",
 300                         dataType: "json",
 301                         data: data,
 302                         success: function(data) {
 303                                 params.success(self, data.message);
 304                         },
 305                         error: function(xhr) {
 306                                 if (xhr.status == 403 || xhr.status == 401) {
 307                                         params.failure(self, {
 308                                                 "__all__": ["Nie masz uprawnień lub nie jesteś zalogowany."]
 309                                         });
 310                                 }
 311                                 else {
 312                                         try {
 313                                                 params.failure(self, $.parseJSON(xhr.responseText));
 314                                         }
 315                                         catch (e) {
 316                                                 params.failure(self, {
 317                                                         "__all__": ["Nie udało się - błąd serwera."]
 318                                                 });
 319                                         };
 320                                 };
 321                         }
 322                 });
 323         };
 324
 325         $.wikiapi.WikiDocument = WikiDocument;
 326
 327
 328         var ping = function () {
 329         $.ajax({
 330             url : reverse('ping'),
 331                         timeout: 2000,
 332             complete : function () {
 333                 setTimeout(function () {
 334                     ping();
 335                 }, 600000);
 336             }
 337         });
 338     };
 339
 340     ping();
 341
 342 })(jQuery);