js/ajatus.tags.js

   1 /*
   2  * This file is part of
   3  *
   4  * Ajatus - Distributed CRM
   5  * @requires jQuery v1.2.1
   6  *
   7  * Copyright (c) 2007 Jerry Jalava <jerry.jalava@gmail.com>
   8  * Copyright (c) 2007 Nemein Oy <http://nemein.com>
   9  * Website: http://ajatus.info
  10  * Licensed under the GPL license
  11  * http://www.gnu.org/licenses/gpl.html
  12  *
  13  */
  14
  15 (function($){
  16     $.ajatus = $.ajatus || {};
  17
  18     /**
  19      * Holds all tag methods
  20      * @accessor {String} cache Holds all cached tag names
  21      * @accessor {String} active Currently active tag name
  22      * @constructor
  23      */
  24     $.ajatus.tags = {
  25         cache: [],
  26         used_contexts: [],
  27         active: ''
  28     };
  29     $.extend($.ajatus.tags, {
  30
  31         /**
  32          * Initializes the tags
  33          * @see ajatus.core.init
  34          * @see ajatus.tags.load
  35          * @see ajatus.tags.update_app_tag_list
  36          */
  37         init: function() {
  38             $.ajatus.events.lock_pool.increase();
  39             $.ajatus.tags.load();
  40             $.ajatus.events.lock_pool.decrease();
  41             $.ajatus.tags.update_app_tag_list();
  42         },
  43         load: function() {
  44             $.ajatus.tags.used_contexts = [];
  45             $.ajatus.tags.cache = [];
  46
  47             var legacy_tags_db = $.ajatus.preferences.client.application_database + '_tags';
  48             if ($.jqCouch.connection('db').exists(legacy_tags_db)) {
  49                 $.ajatus.events.lock_pool.increase();
  50
  51                 var on_success = function(data) {
  52                     if (data.total_rows == 0) {
  53                         return data;
  54                     }
  55
  56                     $.each(data.rows, function(i,doc){
  57                         var doc = new $.ajatus.document(doc);
  58                         if (! $.ajatus.tags.exists(doc.value.title.val, doc.value.title.widget.config.context, doc.value.title.widget.config.value)) {
  59                             $.jqCouch.connection('doc').save($.ajatus.preferences.client.content_database, doc);
  60                         }
  61                     });
  62                 };
  63
  64                 var list_map = function(doc) {
  65                     if (   doc.value.metadata.archived.val != false
  66                         && doc.value.metadata.deleted.val != false)
  67                     {
  68                         map(doc._id, doc);
  69                     }
  70                 };
  71                 $.jqCouch.connection('view', on_success).temp(legacy_tags_db, list_map);
  72
  73                 $.jqCouch.connection('db').del(legacy_tags_db);
  74                 $.ajatus.events.lock_pool.decrease();
  75             }
  76
  77             var on_success = function(data) {
  78                 if (data.total_rows <= 0) {
  79                     return false;
  80                 }
  81
  82                 $.each(data.rows, function(i,n){
  83                     if (   typeof(n.value.title.widget.config['context']) != 'undefined'
  84                         && n.value.title.widget.config['context'] != '')
  85                     {
  86                         var found = $.inArray(n.value.title.widget.config['context'], $.ajatus.tags.used_contexts);
  87                         if (found == -1) {
  88                             $.ajatus.tags.used_contexts.push(n.value.title.widget.config['context']);
  89                         }
  90                     }
  91                     $.ajatus.tags.cache.push(n);
  92                 });
  93
  94                 return data;
  95             };
  96
  97             $.jqCouch.connection('view', on_success).temp($.ajatus.preferences.client.content_database, function(doc){
  98                 if (   doc.value._type == 'tag'
  99                     && doc.value.metadata.archived.val == false
 100                     && doc.value.metadata.deleted.val == false)
 101                 {
 102                     map(doc._id, doc.value);
 103                 }
 104             });
 105         },
 106         refresh_cache: function() {
 107             $.ajatus.tags.load();
 108             $.ajatus.tags.update_cache();
 109         },
 110         update_cache: function() {
 111             $.ajatus.tags.update_app_tag_list();
 112             if ($.ajatus.tags.active != '') {
 113                 $.ajatus.tags.set_active($.ajatus.tags.active);
 114             }
 115         },
 116         set_active: function(id) {
 117             var select = $('#application-tags select');
 118             $('option', select).each(function(i,o){
 119                 if (o.value == id) {
 120                     o.selected = 'selected';
 121                 }
 122             });
 123
 124             if (id == '') {
 125                 $.ajatus.tags.active = '';
 126                 return;
 127             }
 128
 129             var tag = $.ajatus.tags.get(id);
 130             if (tag) {
 131                 $.ajatus.tags.active = tag;
 132             }
 133         },
 134         update_app_tag_list: function() {
 135             var select = $('#application-tags select');
 136             select.html('');
 137
 138             var opt_groups = {};
 139             var def_opt_grp = $('<optgroup label="' + $.ajatus.i10n.get('No context') + '" />');
 140             def_opt_grp.appendTo(select);
 141
 142             $.each($.ajatus.tags.used_contexts, function(i){
 143                 var opt_grp = $('<optgroup label="' + this + '" />');
 144                 opt_grp.prependTo(select);
 145                 opt_groups[this] = opt_grp;
 146             });
 147
 148             $.each($.ajatus.tags.cache, function(i){
 149                 var opt = $('<option>'+this.value.title.val+'</option>').attr({
 150                     value: this.id
 151                 });
 152
 153                 if (   typeof(this.value.title.widget.config['context']) != 'undefined'
 154                     && this.value.title.widget.config['context'] != '')
 155                 {
 156                     var context = this.value.title.widget.config.context;
 157                     opt.appendTo(opt_groups[context]);
 158                 } else {
 159                     opt.appendTo(def_opt_grp);
 160                 }
 161             });
 162
 163             var def = $('<option />').attr({
 164                 value: '',
 165                 selected: 'selected'
 166             }).html($.ajatus.i10n.get('Global Tag') + '&nbsp;');
 167             def.prependTo(select);
 168             select.bind('change', function(e){
 169                 $.ajatus.tags.set_active(e.currentTarget.value);
 170             });
 171         },
 172         search: function(query, context, max_res) {
 173             // console.log("Search tags with: "+query);
 174
 175             var results = [];
 176             var context_key = false;
 177
 178             if (typeof max_res != 'number') {
 179                 var max_res = 20;
 180             }
 181
 182             query = $.ajatus.tags._prepare_query(query);
 183
 184             var on_success = function(data) {
 185                 if (data.total_rows == 0) {
 186                     return [];
 187                 }
 188
 189                 $.each(data.rows, function(i,n){
 190                     var doc = new $.ajatus.document(n);
 191                     results.push(doc);
 192                 });
 193
 194                 return data;
 195             };
 196
 197             var rel_view = 'if (doc.value._type == "tag" ';
 198             rel_view += '&& doc.value.title.val.match(/\\\\b'+query+'(.*?)\\\\b/) ';
 199             if (   typeof context != 'undefined'
 200                 && context != '')
 201             {
 202                 rel_view += '&& typeof(doc.value.title.widget.config["context"]) != "undefined" ';
 203                 rel_view += '&& doc.value.title.widget.config.context == "+context+" ';
 204             }
 205             rel_view += '&& doc.value.metadata.archived.val == "" && doc.value.metadata.deleted.val != 1){';
 206             rel_view += 'map( doc._id, doc.value );}';
 207
 208             $.jqCouch.connection('view', on_success).temp($.ajatus.preferences.client.content_database,
 209                 "$.ajatus.views.generate('"+rel_view+"')", {
 210                     count: max_res
 211                 }
 212             );
 213
 214             return results;
 215         },
 216         search_cache: function(query, context, max_res) {
 217             // console.log("Search tags cache with: "+query);
 218
 219             if (typeof max_res != 'number') {
 220                 var max_res = 20;
 221             }
 222
 223             var results = [];
 224             query = $.ajatus.tags._prepare_query(query);
 225             var re = new RegExp("\\b"+query+"(.*?)\\b");
 226
 227             $.each($.ajatus.tags.cache, function(i, tag){
 228                 if (results.length > max_res) {
 229                     return;
 230                 }
 231
 232                 if (tag.value.title.val.toString().match(re)) {
 233                     if (   typeof context != 'undefined'
 234                         && context != '')
 235                     {
 236                         if (   typeof(tag.value.title.widget.config['context']) != 'undefined'
 237                             && tag.value.title.widget.config['context'] == context)
 238                         {
 239                             results.push(tag);
 240                         }
 241                     } else {
 242                         results.push(tag);
 243                     }
 244                 }
 245             });
 246
 247             return results;
 248         },
 249         _prepare_query: function(query) {
 250             query = query.replace(/[\(|\)|\.|\?|\;|\/]/, '');
 251             query = query.replace('\\', '');
 252             query = query.replace('*', '(.*?)');
 253
 254             return query;
 255         },
 256         get: function(tag, rev, skip_cache, callback) {
 257             var result = false;
 258             if (typeof skip_cache == 'undefined') {
 259                 var skip_cache = false;
 260             }
 261
 262             if (   typeof rev == 'undefined'
 263                 && !skip_cache)
 264             {
 265                 $.each($.ajatus.tags.cache, function(i,t){
 266                     if (t.id == tag) {
 267                         result = t;
 268                     }
 269                 });
 270
 271                 if (result) {
 272                     return result;
 273                 }
 274             }
 275
 276             var on_success = function(data) {
 277                 var doc = new $.ajatus.document(data);
 278                 result = doc;
 279
 280                 if (typeof callback == 'function') {
 281                     var fn = eval('('+callback+')');
 282                     fn.apply(fn, [result]);
 283                 }
 284
 285                 return data;
 286             };
 287
 288             var args = {};
 289             if (typeof rev != 'undefined') {
 290                 args['_rev'] = rev;
 291             }
 292
 293             $.jqCouch.connection('doc', on_success).get($.ajatus.preferences.client.content_database + '/' + tag, args);
 294
 295             return result;
 296         },
 297         exists: function(tag, context, value) {
 298             var tag_ids = [];
 299             var found = false;
 300
 301             $.each($.ajatus.tags.cache, function(i,t){
 302                 if (t.value.title.val == tag) {
 303                     found = true;
 304
 305                     if (   typeof context != 'undefined'
 306                         && context != '')
 307                     {
 308                         if (t.value.title.widget.config.context == context) {
 309                             found = true;
 310                         } else {
 311                             found = false;
 312                         }
 313                     }
 314
 315                     if (   typeof value != 'undefined'
 316                         && value != '')
 317                     {
 318                         if (t.value.title.widget.config.value == value) {
 319                             found = true;
 320                         } else {
 321                             found = false;
 322                         }
 323                     }
 324                 }
 325             });
 326
 327             return found;
 328         },
 329         create: function(name, data, dc) {
 330             if (typeof data == 'undefined') {
 331                 var data = {
 332                     color: '',
 333                     context: '',
 334                     value: ''
 335                 };
 336             }
 337             if (typeof data == 'string') {
 338                 var data = {
 339                     color: '',
 340                     context: data,
 341                     value: ''
 342                 };
 343             }
 344
 345             var color = data.color;
 346             var context = data.context;
 347             var value = data.value;
 348
 349             if ($.ajatus.tags.exists(name, context, value)) {
 350                 return false;
 351             }
 352
 353             if (typeof dc == 'undefined') {
 354                 var on_success = function(data) {
 355                     if (data.ok) {
 356                         var msg = $.ajatus.elements.messages.create(
 357                             $.ajatus.i10n.get('New tag created'),
 358                             $.ajatus.i10n.get("Created new tag '%s'", [data.value.title.val])
 359                         );
 360
 361                         $.ajatus.debug("saved tag: "+data.id);
 362
 363                         var tag = $.ajatus.tags.get(data.id, data.rev, true);
 364                         $.ajatus.tags.cache.push(tag);
 365                     }
 366
 367                     return data;
 368                 };
 369
 370                 var dc = $.jqCouch.connection('doc', on_success);
 371                 $.ajatus.views.on_change_actions.add('$.ajatus.tags.update_cache();');
 372             }
 373
 374             var tag = {
 375                 value: {
 376                     _type: 'tag',
 377                     title: {
 378                         val: name,
 379                         widget: {
 380                             name: 'tag',
 381                             config: {
 382                                 color: (color || '8596b6'),
 383                                 context: (context || ''),
 384                                 value: value
 385                             }
 386                         }
 387                     }
 388                 }
 389             };
 390             tag = new $.ajatus.document(tag);
 391
 392             var now = $.ajatus.formatter.date.js_to_iso8601(new Date());
 393             var new_metadata = {
 394                 created: now,
 395                 creator: $.ajatus.preferences.local.user.email,
 396                 revised: now,
 397                 revisor: $.ajatus.preferences.local.user.email
 398             };
 399             tag = $.ajatus.document.modify_metadata(tag, new_metadata);
 400             dc.save($.ajatus.preferences.client.content_database, tag);
 401
 402             return true;
 403         },
 404         remove: function(tag, dc) {
 405             if (typeof dc == 'undefined') {
 406                 var on_success = function(data) {
 407                     var msg = $.ajatus.elements.messages.create(
 408                         $.ajatus.i10n.get('Object deleted'),
 409                         $.ajatus.i10n.get('Tag %s removed from Ajatus.', [tag.value.title.val])
 410                     );
 411                 };
 412                 var dc = $.jqCouch.connection('doc', on_success);
 413             }
 414
 415             dc.del($.ajatus.preferences.client.content_database + '/' + tag.id);
 416         },
 417         related: function(tags, skip_docs) {
 418             var related = [];
 419
 420             if (typeof skip_docs != 'object') {
 421                 var skip_docs = [];
 422             }
 423
 424             var on_success = function(data) {
 425                 if (data.total_rows == 0) {
 426                     return;
 427                 }
 428
 429                 $.each(data.rows, function(i,n){
 430                     if ($.ajatus.utils.array.has_match(tags, n.value.tags.val)) {
 431                         if (skip_docs.length > 0) {
 432                             if ($.inArray(n.id, skip_docs) == -1) {
 433                                 var doc = new $.ajatus.document(n);
 434                                 related.push(doc);
 435                             }
 436                         } else {
 437                             var doc = new $.ajatus.document(n);
 438                             related.push(doc);
 439                         }
 440                     }
 441                 });
 442
 443                 return data;
 444             };
 445
 446             var rel_view = 'if (typeof(doc.value.tags) != "undefined" && doc.value.tags.val.length > 0 ';
 447             rel_view += '&& doc.value.metadata.archived.val == "" && doc.value.metadata.deleted.val != 1){';
 448             rel_view += 'map( doc.value._type, {"_id": doc._id, "_rev": doc._rev, "_type": doc.value._type,';
 449             rel_view += '"title": doc.value.title,';
 450
 451             $.each($.ajatus.preferences.client.content_types, function(key,type){
 452                 if (type['title_item']) {
 453                     $.each(type['title_item'], function(i,part){
 454                         if (type.schema[part]) {
 455                             rel_view += '"'+part+'": doc.value.'+part+',';
 456                         }
 457                     });
 458                 }
 459             });
 460
 461             rel_view += '"tags": doc.value.tags })}';
 462
 463             $.jqCouch.connection('view', on_success).temp($.ajatus.preferences.client.content_database, "$.ajatus.views.generate('"+rel_view+"')");
 464
 465             return related;
 466         }
 467     });
 468
 469 })(jQuery);