2 function debug_dict_keys (msg, o) {
4 for (var k in o) keys.push(k);
5 messages.debug ("debug_dict_keys: " + msg + " keys= " + keys);
7 function debug_dict (msg, o) {
8 for (var k in o) messages.debug ("debug_dict: " + msg + " [" + k + "]=" + o[k]);
10 function debug_value (msg, value) {
11 messages.debug ("debug_value: " + msg + " " + value);
13 function debug_query (msg, query) {
14 if (query === undefined) messages.debug ("debug_query: " + msg + " -> undefined");
15 else if (query == null) messages.debug ("debug_query: " + msg + " -> null");
16 else if ('query_uuid' in query) messages.debug ("debug_query: " + msg + query.__repr());
17 else messages.debug ("debug_query: " + msg + " query= " + query);
20 // http://javascriptweblog.wordpress.com/2011/08/08/fixing-the-javascript-typeof-operator/
21 Object.toType = (function toType(global) {
22 return function(obj) {
26 return ({}).toString.call(obj).match(/\s([a-z|A-Z]+)/)[1].toLowerCase();
30 /* ------------------------------------------------------------ */
32 // Constants that should be somehow moved to a plugin.js file
34 var FILTER_REMOVED = 2;
35 var CLEAR_FILTERS = 3;
37 var FIELD_REMOVED = 5;
40 var CLEAR_RECORDS = 8;
41 var FIELD_STATE_CHANGED = 9;
43 var IN_PROGRESS = 101;
46 /* Update requests related to subqueries */
48 var SET_REMOVED = 202;
51 var FIELD_REQUEST_CHANGE = 301;
52 var FIELD_REQUEST_ADD = 302;
53 var FIELD_REQUEST_REMOVE = 303;
54 var FIELD_REQUEST_ADD_RESET = 304;
55 var FIELD_REQUEST_REMOVE_RESET = 305;
57 var FIELD_REQUEST_PENDING = 401;
58 var FIELD_REQUEST_SUCCESS = 402;
59 var FIELD_REQUEST_FAILURE = 403;
62 var STATUS_NONE = 500; // Query has not been started yet
63 var STATUS_GET_IN_PROGRESS = 501; // Query has been sent, no result has been received
64 var STATUS_GET_RECEIVED = 502; // Success
65 var STATUS_GET_ERROR = 503; // Error
66 var STATUS_UPDATE_PENDING = 504;
67 var STATUS_UPDATE_IN_PROGRESS = 505;
68 var STATUS_UPDATE_RECEIVED = 506;
69 var STATUS_UPDATE_ERROR = 507;
71 /* Requests for query cycle */
77 var TYPE_LIST_OF_VALUES = 3;
78 var TYPE_LIST_OF_RECORDS = 4;
81 // A structure for storing queries
83 function QueryExt(query, parent_query_ext, main_query_ext, update_query_ext, disabled) {
86 if (typeof query == "undefined")
87 throw "Must pass a query in QueryExt constructor";
89 this.parent_query_ext = (typeof parent_query_ext == "undefined") ? null : parent_query_ext;
90 this.main_query_ext = (typeof main_query_ext == "undefined") ? null : main_query_ext;
91 this.update_query_ext = (typeof update_query_ext == "undefined") ? null : update_query_ext;
92 this.update_query_orig_ext = (typeof update_query_orig_ext == "undefined") ? null : update_query_orig_ext;
93 this.disabled = (typeof update_query_ext == "undefined") ? false : disabled;
97 // update_query null unless we are a main_query (aka parent_query == null); only main_query_fields can be updated...
100 function QueryStore() {
102 this.main_queries = {};
103 this.analyzed_queries = {};
107 this.insert = function(query) {
108 // We expect only main_queries are inserted
110 /* If the query has not been analyzed, then we analyze it */
111 if (query.analyzed_query == null) {
112 query.analyze_subqueries();
115 /* We prepare the update query corresponding to the main query and store both */
116 /* Note: they have the same UUID */
118 // XXX query.change_action() should become deprecated
119 update_query = query.clone();
120 update_query.action = 'update';
121 update_query.analyzed_query.action = 'update';
122 update_query.params = {};
123 update_query_ext = new QueryExt(update_query);
125 /* We remember the original query to be able to reset it */
126 update_query_orig_ext = new QueryExt(update_query.clone());
129 /* We store the main query */
130 query_ext = new QueryExt(query, null, null, update_query_ext, update_query_orig_ext, false);
131 manifold.query_store.main_queries[query.query_uuid] = query_ext;
132 /* Note: the update query does not have an entry! */
135 // The query is disabled; since it is incomplete until we know the content of the set of subqueries
136 // XXX unless we have no subqueries ???
137 // we will complete with params when records are received... this has to be done by the manager
138 // SET_ADD, SET_REMOVE will change the status of the elements of the set
139 // UPDATE will change also, etc.
140 // XXX We need a proper structure to store this information...
142 // We also need to insert all queries and subqueries from the analyzed_query
143 // XXX We need the root of all subqueries
144 query.iter_subqueries(function(sq, data, parent_query) {
146 parent_query_ext = manifold.query_store.find_analyzed_query_ext(parent_query.query_uuid);
148 parent_query_ext = null;
149 // XXX parent_query_ext == false
150 // XXX main.subqueries = {} # Normal, we need analyzed_query
151 sq_ext = new QueryExt(sq, parent_query_ext, query_ext)
152 manifold.query_store.analyzed_queries[sq.query_uuid] = sq_ext;
155 // XXX We have spurious update queries...
160 this.find_query_ext = function(query_uuid) {
161 return this.main_queries[query_uuid];
164 this.find_query = function(query_uuid) {
165 return this.find_query_ext(query_uuid).query;
168 this.find_analyzed_query_ext = function(query_uuid) {
169 return this.analyzed_queries[query_uuid];
172 this.find_analyzed_query = function(query_uuid) {
173 return this.find_analyzed_query_ext(query_uuid).query;
178 * This namespace holds functions for globally managing query objects
183 /**************************************************************************
185 **************************************************************************/
189 get_type: function(variable) {
190 switch(Object.toType(variable)) {
197 if ((variable.length > 0) && (Object.toType(variable[0]) === 'object'))
198 return TYPE_LIST_OF_RECORDS;
200 return TYPE_LIST_OF_VALUES;
204 /**************************************************************************
205 * Metadata management
206 **************************************************************************/
210 get_table: function(method) {
211 var table = MANIFOLD_METADATA[method];
212 return (typeof table === 'undefined') ? null : table;
215 get_columns: function(method) {
216 var table = this.get_table(method);
221 return (typeof table.column === 'undefined') ? null : table.column;
224 get_key: function(method) {
225 var table = this.get_table(method);
229 return (typeof table.key === 'undefined') ? null : table.key;
233 get_column: function(method, name) {
234 var columns = this.get_columns(method);
238 $.each(columns, function(i, c) {
245 get_type: function(method, name) {
246 var table = this.get_table(method);
250 return (typeof table.type === 'undefined') ? null : table.type;
255 /**************************************************************************
257 **************************************************************************/
259 query_store: new QueryStore(),
261 // XXX Remaining functions are deprecated since they are replaced by the query store
264 * Associative array storing the set of queries active on the page
270 * Insert a query in the global hash table associating uuids to queries.
271 * If the query has no been analyzed yet, let's do it.
272 * \fn insert_query(query)
274 * \param ManifoldQuery query Query to be added
276 insert_query : function (query) {
278 manifold.query_store.insert(query);
281 if (query.analyzed_query == null) {
282 query.analyze_subqueries();
284 manifold.all_queries[query.query_uuid]=query;
288 * Returns the query associated to a UUID
289 * \fn find_query(query_uuid)
291 * \param string query_uuid The UUID of the query to be returned
293 find_query : function (query_uuid) {
294 return manifold.all_queries[query_uuid];
297 /**************************************************************************
299 **************************************************************************/
301 // trigger a query asynchroneously
302 proxy_url : '/manifold/proxy/json/',
304 // reasonably low-noise, shows manifold requests coming in and out
305 asynchroneous_debug : true,
306 // print our more details on result publication and related callbacks
307 publish_result_debug : true,
310 * \brief We use js function closure to be able to pass the query (array)
311 * to the callback function used when data is received
313 success_closure: function(query, publish_uuid, callback) {
314 return function(data, textStatus) {
315 manifold.asynchroneous_success(data, query, publish_uuid, callback);
319 run_query: function(query, callback) {
320 // default value for callback = null
321 if (typeof callback === 'undefined')
324 var query_json = JSON.stringify(query);
326 /* Nothing related to pubsub here... for the moment at least. */
327 //query.iter_subqueries(function (sq) {
328 // manifold.raise_record_event(sq.query_uuid, IN_PROGRESS);
331 $.post(manifold.proxy_url, {'json': query_json} , manifold.success_closure(query, null, callback));
334 // Executes all async. queries - intended for the javascript header to initialize queries
335 // input queries are specified as a list of {'query_uuid': <query_uuid> }
336 // each plugin is responsible for managing its spinner through on_query_in_progress
337 asynchroneous_exec : function (query_exec_tuples) {
339 // Loop through input array, and use publish_uuid to publish back results
340 $.each(query_exec_tuples, function(index, tuple) {
341 var query=manifold.find_query(tuple.query_uuid);
342 var query_json=JSON.stringify (query);
343 var publish_uuid=tuple.publish_uuid;
344 // by default we publish using the same uuid of course
345 if (publish_uuid==undefined) publish_uuid=query.query_uuid;
346 if (manifold.publish_result_debug) {
347 messages.debug("sending POST on " + manifold.proxy_url + query.__repr());
350 query.iter_subqueries(function (sq) {
351 manifold.raise_record_event(sq.query_uuid, IN_PROGRESS);
354 // not quite sure what happens if we send a string directly, as POST data is named..
355 // this gets reconstructed on the proxy side with ManifoldQuery.fill_from_POST
356 $.post(manifold.proxy_url, {'json':query_json},
357 manifold.success_closure(query, publish_uuid, tuple.callback));
362 * \brief Forward a query to the manifold backend
363 * \param query (dict) the query to be executed asynchronously
364 * \param callback (function) the function to be called when the query terminates
366 forward: function(query, callback) {
367 var query_json = JSON.stringify(query);
368 $.post(manifold.proxy_url, {'json': query_json} ,
369 manifold.success_closure(query, query.query_uuid, callback));
373 * Returns whether a query expects a unique results.
374 * This is the case when the filters contain a key of the object
375 * \fn query_expects_unique_result(query)
377 * \param ManifoldQuery query Query for which we are testing whether it expects a unique result
379 query_expects_unique_result: function(query) {
380 /* XXX we need functions to query metadata */
381 //var keys = MANIFOLD_METADATA[query.object]['keys']; /* array of array of field names */
382 /* TODO requires keys in metadata */
388 * \fn publish_result(query, results)
390 * \param ManifoldQuery query Query which has received results
391 * \param array results results corresponding to query
393 publish_result: function(query, result) {
394 if (typeof result === 'undefined')
398 manifold.raise_record_event(query.query_uuid, CLEAR_RECORDS);
399 if (manifold.publish_result_debug)
400 messages.debug(".. publish_result (1) ");
402 $.each(result, function(i, record) {
403 manifold.raise_record_event(query.query_uuid, NEW_RECORD, record);
406 if (manifold.publish_result_debug)
407 messages.debug(".. publish_result (2) has used NEW API on " + count + " records");
408 manifold.raise_record_event(query.query_uuid, DONE);
409 if (manifold.publish_result_debug)
410 messages.debug(".. publish_result (3) has used NEW API to say DONE");
412 // OLD PLUGIN API BELOW
413 /* Publish an update announce */
414 var channel="/results/" + query.query_uuid + "/changed";
415 if (manifold.publish_result_debug)
416 messages.debug(".. publish_result (4) OLD API on channel" + channel);
418 $.publish(channel, [result, query]);
420 if (manifold.publish_result_debug)
421 messages.debug(".. publish_result (5) END q=" + query.__repr());
425 * Recursively publish result
426 * \fn publish_result_rec(query, result)
428 * \param ManifoldQuery query Query which has received result
429 * \param array result result corresponding to query
431 * Note: this function works on the analyzed query
433 publish_result_rec: function(query, result) {
434 /* If the result is not unique, only publish the top query;
435 * otherwise, publish the main object as well as subqueries
436 * XXX how much recursive are we ?
438 if (manifold.publish_result_debug)
439 messages.debug (">>>>> publish_result_rec " + query.object);
440 if (manifold.query_expects_unique_result(query)) {
441 /* Also publish subqueries */
442 $.each(query.subqueries, function(object, subquery) {
443 manifold.publish_result_rec(subquery, result[0][object]);
444 /* TODO remove object from result */
447 if (manifold.publish_result_debug)
448 messages.debug ("===== publish_result_rec " + query.object);
450 manifold.publish_result(query, result);
452 if (manifold.publish_result_debug)
453 messages.debug ("<<<<< publish_result_rec " + query.object);
456 setup_update_query: function(query, records) {
457 // We don't prepare an update query if the result has more than 1 entry
458 if (records.length != 1)
460 var query_ext = manifold.query_store.find_query_ext(query.query_uuid);
462 var record = records[0];
464 var update_query_ext = query_ext.update_query_ext;
465 var update_query = update_query_ext.query;
466 var update_query_ext = query_ext.update_query_ext;
467 var update_query_orig = query_ext.update_query_orig_ext.query;
469 // Testing whether the result has subqueries (one level deep only)
470 // iif the query has subqueries
472 var obj = query.analyzed_query.subqueries;
473 for (method in obj) {
474 if (obj.hasOwnProperty(method)) {
475 var key = manifold.metadata.get_key(method);
482 var subrecords = record[method];
485 $.each(subrecords, function (i, subrecord) {
486 sq_keys.push(subrecord[key]);
488 update_query.params[method] = sq_keys;
489 update_query_orig.params[method] = sq_keys.slice();
495 update_query_ext.disabled = false;
496 update_query_orig_ext.disabled = false;
500 process_get_query_records: function(query, records) {
501 this.setup_update_query(query, records);
503 /* Publish full results */
504 var tmp_query = manifold.find_query(query.query_uuid);
505 manifold.publish_result_rec(tmp_query.analyzed_query, records);
510 * What we need to do when receiving results from an update query:
511 * - differences between what we had, what we requested, and what we obtained
512 * . what we had : update_query_orig (simple fields and set fields managed differently)
513 * . what we requested : update_query
514 * . what we received : records
515 * - raise appropriate events
517 * The normal process is that results similar to Get will be pushed in the
518 * pubsub mechanism, thus repopulating everything while we only need
519 * diff's. This means we need to move the publish functionalities in the
520 * previous 'process_get_query_records' function.
522 process_update_query_records: function(query, records) {
523 // First issue: we request everything, and not only what we modify, so will will have to ignore some fields
524 var query_uuid = query.query_uuid;
525 var query_ext = manifold.query_store.find_analyzed_query_ext(query_uuid);
526 var update_query = query_ext.main_query_ext.update_query_ext.query;
527 var update_query_orig = query_ext.main_query_ext.update_query_orig_ext.query;
529 // Since we update objects one at a time, we can get the first record
530 var record = records[0];
532 // Let's iterate over the object properties
533 for (var field in record) {
534 switch (this.get_type(record[field])) {
536 // Did we ask for a change ?
537 var update_value = update_query[field];
539 // Not requested, if it has changed: OUT OF SYNC
541 // We assume it won't have changed
544 var result_value = record[field];
546 throw "Internal error";
549 request: FIELD_REQUEST_CHANGE,
551 value : update_value,
552 status: (update_value == result_value) ? FIELD_REQUEST_SUCCESS : FIELD_REQUEST_FAILURE,
554 manifold.raise_record_event(query_uuid, FIELD_STATE_CHANGED, data);
558 throw "Not implemented";
561 case TYPE_LIST_OF_VALUES:
562 // Same as list of records, but we don't have to extract keys
563 var result_keys = record[field]
565 // The rest of exactly the same (XXX factorize)
566 var update_keys = update_query_orig.params[field];
567 var query_keys = update_query.params[field];
568 var added_keys = $.grep(query_keys, function (x) { return $.inArray(x, update_keys) == -1 });
569 var removed_keys = $.grep(update_keys, function (x) { return $.inArray(x, query_keys) == -1 });
572 $.each(added_keys, function(i, key) {
573 if ($.inArray(key, result_keys) == -1) {
575 request: FIELD_REQUEST_ADD,
578 status: FIELD_REQUEST_FAILURE,
582 request: FIELD_REQUEST_ADD,
585 status: FIELD_REQUEST_SUCCESS,
588 manifold.raise_record_event(query_uuid, FIELD_STATE_CHANGED, data);
590 $.each(removed_keys, function(i, key) {
591 if ($.inArray(key, result_keys) == -1) {
593 request: FIELD_REQUEST_REMOVE,
596 status: FIELD_REQUEST_SUCCESS,
600 request: FIELD_REQUEST_REMOVE,
603 status: FIELD_REQUEST_FAILURE,
606 manifold.raise_record_event(query_uuid, FIELD_STATE_CHANGED, data);
611 case TYPE_LIST_OF_RECORDS:
612 // example: slice.resource
613 // - update_query_orig.params.resource = resources in slice before update
614 // - update_query.params.resource = resource requested in slice
615 // - keys from field = resources obtained
616 var key = manifold.metadata.get_key(field);
619 if (key.length > 1) {
620 throw "Not implemented";
625 /* XXX should be modified for multiple keys */
626 var result_keys = $.map(record[field], function(x) { return x[key]; });
628 var update_keys = update_query_orig.params[field];
629 var query_keys = update_query.params[field];
630 var added_keys = $.grep(query_keys, function (x) { return $.inArray(x, update_keys) == -1 });
631 var removed_keys = $.grep(update_keys, function (x) { return $.inArray(x, query_keys) == -1 });
634 $.each(added_keys, function(i, key) {
635 if ($.inArray(key, result_keys) == -1) {
637 request: FIELD_REQUEST_ADD,
640 status: FIELD_REQUEST_FAILURE,
644 request: FIELD_REQUEST_ADD,
647 status: FIELD_REQUEST_SUCCESS,
650 manifold.raise_record_event(query_uuid, FIELD_STATE_CHANGED, data);
652 $.each(removed_keys, function(i, key) {
653 if ($.inArray(key, result_keys) == -1) {
655 request: FIELD_REQUEST_REMOVE,
658 status: FIELD_REQUEST_SUCCESS,
662 request: FIELD_REQUEST_REMOVE,
665 status: FIELD_REQUEST_FAILURE,
668 manifold.raise_record_event(query_uuid, FIELD_STATE_CHANGED, data);
676 // XXX Now we need to adapt 'update' and 'update_orig' queries as if we had done a get
677 this.setup_update_query(query, records);
680 process_query_records: function(query, records) {
681 if (query.action == 'get') {
682 this.process_get_query_records(query, records);
683 } else if (query.action == 'update') {
684 this.process_update_query_records(query, records);
688 // if set callback is provided it is called
689 // most of the time publish_uuid will be query.query_uuid
690 // however in some cases we wish to publish the result under a different uuid
691 // e.g. an updater wants to publish its result as if from the original (get) query
692 asynchroneous_success : function (data, query, publish_uuid, callback) {
693 // xxx should have a nicer declaration of that enum in sync with the python code somehow
695 var start = new Date();
696 if (manifold.asynchroneous_debug)
697 messages.debug(">>>>>>>>>> asynchroneous_success query.object=" + query.object);
699 if (data.code == 2) { // ERROR
700 // We need to make sense of error codes here
701 alert("Your session has expired, please log in again");
702 window.location="/logout/";
703 if (manifold.asynchroneous_debug) {
704 duration=new Date()-start;
705 messages.debug ("<<<<<<<<<< asynchroneous_success " + query.object + " -- error returned - logging out " + duration + " ms");
709 if (data.code == 1) { // WARNING
710 messages.error("Some errors have been received from the manifold backend at " + MANIFOLD_URL + " [" + data.description + "]");
711 // publish error code and text message on a separate channel for whoever is interested
713 $.publish("/results/" + publish_uuid + "/failed", [data.code, data.description] );
717 // If a callback has been specified, we redirect results to it
720 if (manifold.asynchroneous_debug) {
721 duration=new Date()-start;
722 messages.debug ("<<<<<<<<<< asynchroneous_success " + query.object + " -- callback ended " + duration + " ms");
727 if (manifold.asynchroneous_debug)
728 messages.debug ("========== asynchroneous_success " + query.object + " -- before process_query_records [" + query.query_uuid +"]");
730 // once everything is checked we can use the 'value' part of the manifoldresult
731 var result=data.value;
733 /* Eventually update the content of related queries (update, etc) */
734 this.process_query_records(query, result);
736 /* Publish results: disabled here, done in the previous call */
737 //tmp_query = manifold.find_query(query.query_uuid);
738 //manifold.publish_result_rec(tmp_query.analyzed_query, result);
740 if (manifold.asynchroneous_debug) {
741 duration=new Date()-start;
742 messages.debug ("<<<<<<<<<< asynchroneous_success " + query.object + " -- done " + duration + " ms");
747 /**************************************************************************
749 **************************************************************************/
751 raise_event_handler: function(type, query_uuid, event_type, value) {
752 if (manifold.publish_result_debug)
753 messages.debug("raise_event_handler, quuid="+query_uuid+" type="+type+" event_type="+event_type);
754 if ((type != 'query') && (type != 'record'))
755 throw 'Incorrect type for manifold.raise_event()';
756 // xxx we observe quite a lot of incoming calls with an undefined query_uuid
757 // this should be fixed upstream in manifold I expect
758 if (query_uuid === undefined) {
759 messages.warning("undefined query in raise_event_handler");
763 // notify the change to objects that either listen to this channel specifically,
764 // or to the wildcard channel
765 var channels = [ manifold.get_channel(type, query_uuid), manifold.get_channel(type, '*') ];
767 $.each(channels, function(i, channel) {
768 if (value === undefined) {
769 if (manifold.publish_result_debug) messages.debug("triggering [no value] on channel="+channel+" and event_type="+event_type);
770 $('.pubsub').trigger(channel, [event_type]);
772 if (manifold.publish_result_debug) messages.debug("triggering [value="+value+"] on channel="+channel+" and event_type="+event_type);
773 $('.pubsub').trigger(channel, [event_type, value]);
778 raise_query_event: function(query_uuid, event_type, value) {
779 manifold.raise_event_handler('query', query_uuid, event_type, value);
782 raise_record_event: function(query_uuid, event_type, value) {
783 manifold.raise_event_handler('record', query_uuid, event_type, value);
787 raise_event: function(query_uuid, event_type, value) {
788 // Query uuid has been updated with the key of a new element
789 query_ext = manifold.query_store.find_analyzed_query_ext(query_uuid);
790 query = query_ext.query;
793 case FIELD_STATE_CHANGED:
794 // value is an object (request, key, value, status)
795 // update is only possible is the query is not pending, etc
796 // SET_ADD is on a subquery, FIELD_STATE_CHANGED on the query itself
797 // we should map SET_ADD on this...
799 // 1. Update internal query store about the change in status
801 // 2. Update the update query
802 update_query = query_ext.main_query_ext.update_query_ext.query;
803 update_query_orig = query_ext.main_query_ext.update_query_orig_ext.query;
805 switch(value.request) {
806 case FIELD_REQUEST_CHANGE:
807 if (update_query.params[value.key] === undefined)
808 update_query.params[value.key] = Array();
809 update_query.params[value.key] = value.value;
811 case FIELD_REQUEST_ADD:
812 if ($.inArray(value.value, update_query_orig.params[value.key]) != -1)
813 value.request = FIELD_REQUEST_ADD_RESET;
814 if (update_query.params[value.key] === undefined)
815 update_query.params[value.key] = Array();
816 update_query.params[value.key].push(value.value);
818 case FIELD_REQUEST_REMOVE:
819 if ($.inArray(value.value, update_query_orig.params[value.key]) == -1)
820 value.request = FIELD_REQUEST_REMOVE_RESET;
822 var arr = update_query.params[value.key];
823 arr = $.grep(arr, function(x) { return x != value.value; });
824 if (update_query.params[value.key] === undefined)
825 update_query.params[value.key] = Array();
826 update_query.params[value.key] = arr;
829 case FIELD_REQUEST_ADD_RESET:
830 case FIELD_REQUEST_REMOVE_RESET:
831 // XXX We would need to keep track of the original query
832 throw "Not implemented";
836 // 3. Inform others about the change
837 // a) the main query...
838 manifold.raise_record_event(query_uuid, event_type, value);
840 // b) subqueries eventually (dot in the key)
842 var path_array = value.key.split('.');
843 var value_key = value.key.split('.');
845 var cur_query = query;
846 if (cur_query.analyzed_query)
847 cur_query = cur_query.analyzed_query;
848 $.each(path_array, function(i, method) {
849 cur_query = cur_query.subqueries[method];
850 value_key.shift(); // XXX check that method is indeed shifted
852 value.key = value_key;
854 manifold.raise_record_event(cur_query.query_uuid, event_type, value);
856 // XXX make this DOT a global variable... could be '/'
862 // update is only possible is the query is not pending, etc
865 // XXX we can only update subqueries of the main query. Check !
866 // assert query_ext.parent_query == query_ext.main_query
867 // old // update_query = query_ext.main_query_ext.update_query_ext.query;
869 // This SET_ADD is called on a subquery, so we have to
870 // recontruct the path of the key in the main_query
871 // We then call FIELD_STATE_CHANGED which is the equivalent for the main query
875 while (sq.parent_query_ext) {
878 path = sq.query.object + path;
879 sq = sq.parent_query_ext;
882 main_query = query_ext.main_query_ext.query;
884 request: (event_type == SET_ADD) ? FIELD_REQUEST_ADD : FIELD_REQUEST_REMOVE,
887 status: FIELD_REQUEST_PENDING,
889 this.raise_event(main_query.query_uuid, FIELD_STATE_CHANGED, data);
891 // old //update_query.params[path].push(value);
892 // old // console.log('Updated query params', update_query);
893 // NOTE: update might modify the fields in Get
894 // NOTE : we have to modify all child queries
895 // NOTE : parts of a query might not be started (eg slice.measurements, how to handle ?)
897 // if everything is done right, update_query should not be null.
898 // It is updated when we received results from the get query
899 // object = the same as get
900 // filter = key : update a single object for now
901 // fields = the same as get
902 manifold.raise_query_event(query_uuid, event_type, value);
907 manifold.run_query(query_ext.main_query_ext.update_query_ext.query);
911 // Thierry - this is probably wrong but intended as a hotfix
912 // http://trac.myslice.info/ticket/32
913 // manifold.raise_query_event(query_uuid, event_type, value);
916 manifold.raise_query_event(query_uuid, event_type, value);
919 main_query = query_ext.main_query_ext.query;
920 main_update_query = query_ext.main_query_ext.update_query;
923 // Here we need the full path through all subqueries
925 // XXX We might need the query name in the QueryExt structure
926 main_query.select(value);
928 // XXX When is an update query associated ?
929 // XXX main_update_query.select(value);
931 manifold.raise_query_event(query_uuid, event_type, value);
935 query = query_ext.query;
936 main_query = query_ext.main_query_ext.query;
937 main_update_query = query_ext.main_query_ext.update_query;
938 query.unselect(value);
939 main_query.unselect(value);
941 // We need to inform about changes in these queries to the respective plugins
942 // Note: query & main_query have the same UUID
943 manifold.raise_query_event(query_uuid, event_type, value);
946 // We need to inform about changes in these queries to the respective plugins
947 // Note: query, main_query & update_query have the same UUID
948 manifold.raise_query_event(query_uuid, event_type, value);
949 // We are targeting the same object with get and update
950 // The notion of query is bad, we should have a notion of destination, and issue queries on the destination
951 // NOTE: Editing a subquery == editing a local view on the destination
953 // XXX We might need to run the new query again and manage the plugins in the meantime with spinners...
954 // For the time being, we will collect all columns during the first query
957 /* Publish/subscribe channels for internal use */
958 get_channel: function(type, query_uuid) {
959 if ((type !== 'query') && (type != 'record'))
961 return '/' + type + '/' + query_uuid;
964 }; // manifold object
965 /* ------------------------------------------------------------ */
969 // OLD PLUGIN API: extend jQuery/$ with pubsub capabilities
970 // https://gist.github.com/661855
972 $.subscribe = function( channel, selector, data, fn) {
973 /* borrowed from jQuery */
974 if ( data == null && fn == null ) {
977 data = selector = undefined;
978 } else if ( fn == null ) {
979 if ( typeof selector === "string" ) {
980 // ( channel, selector, fn )
984 // ( channel, data, fn )
987 selector = undefined;
992 /* We use an indirection function that will clone the object passed in
993 * parameter to the subscribe callback
995 * FIXME currently we only clone query objects which are the only ones
996 * supported and editable, we might have the same issue with results but
997 * the page load time will be severely affected...
999 o.on.apply(o, [channel, selector, data, function() {
1000 for(i = 1; i < arguments.length; i++) {
1001 if ( arguments[i].constructor.name == 'ManifoldQuery' )
1002 arguments[i] = arguments[i].clone();
1004 fn.apply(o, arguments);
1008 $.unsubscribe = function() {
1009 o.off.apply(o, arguments);
1012 $.publish = function() {
1013 o.trigger.apply(o, arguments);
1018 /* ------------------------------------------------------------ */
1020 //http://stackoverflow.com/questions/5100539/django-csrf-check-failing-with-an-ajax-post-request
1021 //make sure to expose csrf in our outcoming ajax/post requests
1023 beforeSend: function(xhr, settings) {
1024 function getCookie(name) {
1025 var cookieValue = null;
1026 if (document.cookie && document.cookie != '') {
1027 var cookies = document.cookie.split(';');
1028 for (var i = 0; i < cookies.length; i++) {
1029 var cookie = jQuery.trim(cookies[i]);
1030 // Does this cookie string begin with the name we want?
1031 if (cookie.substring(0, name.length + 1) == (name + '=')) {
1032 cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
1039 if (!(/^http:.*/.test(settings.url) || /^https:.*/.test(settings.url))) {
1040 // Only send the token to relative URLs i.e. locally.
1041 xhr.setRequestHeader("X-CSRFToken", getCookie('csrftoken'));