else messages.debug ("debug_query: " + msg + " query= " + query);
}
+// http://javascriptweblog.wordpress.com/2011/08/08/fixing-the-javascript-typeof-operator/
+Object.toType = (function toType(global) {
+ return function(obj) {
+ if (obj === global) {
+ return "global";
+ }
+ return ({}).toString.call(obj).match(/\s([a-z|A-Z]+)/)[1].toLowerCase();
+ }
+})(this);
+
/* ------------------------------------------------------------ */
// Constants that should be somehow moved to a plugin.js file
var CLEAR_FIELDS = 6;
var NEW_RECORD = 7;
var CLEAR_RECORDS = 8;
+var FIELD_STATE_CHANGED = 9;
var IN_PROGRESS = 101;
var DONE = 102;
+/* Update requests related to subqueries */
var SET_ADD = 201;
var SET_REMOVED = 202;
+// request
+var FIELD_REQUEST_CHANGE = 301;
+var FIELD_REQUEST_ADD = 302;
+var FIELD_REQUEST_REMOVE = 303;
+var FIELD_REQUEST_ADD_RESET = 304;
+var FIELD_REQUEST_REMOVE_RESET = 305;
+// status
+var FIELD_REQUEST_PENDING = 401;
+var FIELD_REQUEST_SUCCESS = 402;
+var FIELD_REQUEST_FAILURE = 403;
+
+/* Query status */
+var STATUS_NONE = 500; // Query has not been started yet
+var STATUS_GET_IN_PROGRESS = 501; // Query has been sent, no result has been received
+var STATUS_GET_RECEIVED = 502; // Success
+var STATUS_GET_ERROR = 503; // Error
+var STATUS_UPDATE_PENDING = 504;
+var STATUS_UPDATE_IN_PROGRESS = 505;
+var STATUS_UPDATE_RECEIVED = 506;
+var STATUS_UPDATE_ERROR = 507;
+
+/* Requests for query cycle */
+var RUN_UPDATE = 601;
+
+/* MANIFOLD types */
+var TYPE_VALUE = 1;
+var TYPE_RECORD = 2;
+var TYPE_LIST_OF_VALUES = 3;
+var TYPE_LIST_OF_RECORDS = 4;
+
+
+// A structure for storing queries
+
+function QueryExt(query, parent_query_ext, main_query_ext, update_query_ext, disabled) {
+
+ /* Constructor */
+ if (typeof query == "undefined")
+ throw "Must pass a query in QueryExt constructor";
+ this.query = query;
+ this.parent_query_ext = (typeof parent_query_ext == "undefined") ? null : parent_query_ext;
+ this.main_query_ext = (typeof main_query_ext == "undefined") ? null : main_query_ext;
+ this.update_query_ext = (typeof update_query_ext == "undefined") ? null : update_query_ext;
+ this.update_query_orig_ext = (typeof update_query_orig_ext == "undefined") ? null : update_query_orig_ext;
+ this.disabled = (typeof update_query_ext == "undefined") ? false : disabled;
+
+ this.status = null;
+ this.results = null;
+ // update_query null unless we are a main_query (aka parent_query == null); only main_query_fields can be updated...
+}
+
+function QueryStore() {
+
+ this.main_queries = {};
+ this.analyzed_queries = {};
+
+ /* Insertion */
+
+ this.insert = function(query) {
+ // We expect only main_queries are inserted
+
+ /* If the query has not been analyzed, then we analyze it */
+ if (query.analyzed_query == null) {
+ query.analyze_subqueries();
+ }
+
+ /* We prepare the update query corresponding to the main query and store both */
+ /* Note: they have the same UUID */
+
+ // XXX query.change_action() should become deprecated
+ update_query = query.clone();
+ update_query.action = 'update';
+ update_query.analyzed_query.action = 'update';
+ update_query.params = {};
+ update_query_ext = new QueryExt(update_query);
+
+ /* We remember the original query to be able to reset it */
+ update_query_orig_ext = new QueryExt(update_query.clone());
+
+
+ /* We store the main query */
+ query_ext = new QueryExt(query, null, null, update_query_ext, update_query_orig_ext, false);
+ manifold.query_store.main_queries[query.query_uuid] = query_ext;
+ /* Note: the update query does not have an entry! */
+
+
+ // The query is disabled; since it is incomplete until we know the content of the set of subqueries
+ // XXX unless we have no subqueries ???
+ // we will complete with params when records are received... this has to be done by the manager
+ // SET_ADD, SET_REMOVE will change the status of the elements of the set
+ // UPDATE will change also, etc.
+ // XXX We need a proper structure to store this information...
+
+ // We also need to insert all queries and subqueries from the analyzed_query
+ // XXX We need the root of all subqueries
+ query.iter_subqueries(function(sq, data, parent_query) {
+ if (parent_query)
+ parent_query_ext = manifold.query_store.find_analyzed_query_ext(parent_query.query_uuid);
+ else
+ parent_query_ext = null;
+ // XXX parent_query_ext == false
+ // XXX main.subqueries = {} # Normal, we need analyzed_query
+ sq_ext = new QueryExt(sq, parent_query_ext, query_ext)
+ manifold.query_store.analyzed_queries[sq.query_uuid] = sq_ext;
+ });
+
+ // XXX We have spurious update queries...
+ }
+
+ /* Searching */
+
+ this.find_query_ext = function(query_uuid) {
+ return this.main_queries[query_uuid];
+ }
+
+ this.find_query = function(query_uuid) {
+ return this.find_query_ext(query_uuid).query;
+ }
+
+ this.find_analyzed_query_ext = function(query_uuid) {
+ return this.analyzed_queries[query_uuid];
+ }
+
+ this.find_analyzed_query = function(query_uuid) {
+ return this.find_analyzed_query_ext(query_uuid).query;
+ }
+}
+
/*!
* This namespace holds functions for globally managing query objects
* \Class Manifold
*/
var manifold = {
+ /**************************************************************************
+ * Helper functions
+ **************************************************************************/
+
+ separator: '__',
+
spin_presets: {},
spin: function(locator, active /*= true */) {
} catch (err) { messages.debug("Cannot turn spins on/off " + err); }
},
+ get_type: function(variable) {
+ switch(Object.toType(variable)) {
+ case 'number':
+ case 'string':
+ return TYPE_VALUE;
+ case 'object':
+ return TYPE_RECORD;
+ case 'array':
+ if ((variable.length > 0) && (Object.toType(variable[0]) === 'object'))
+ return TYPE_LIST_OF_RECORDS;
+ else
+ return TYPE_LIST_OF_VALUES;
+ }
+ },
+
+ /**************************************************************************
+ * Metadata management
+ **************************************************************************/
+
+ metadata: {
+
+ get_table: function(method) {
+ var table = MANIFOLD_METADATA[method];
+ return (typeof table === 'undefined') ? null : table;
+ },
+
+ get_columns: function(method) {
+ var table = this.get_table(method);
+ if (!table) {
+ return null;
+ }
+
+ return (typeof table.column === 'undefined') ? null : table.column;
+ },
+
+ get_key: function(method) {
+ var table = this.get_table(method);
+ if (!table)
+ return null;
+
+ return (typeof table.key === 'undefined') ? null : table.key;
+ },
+
+
+ get_column: function(method, name) {
+ var columns = this.get_columns(method);
+ if (!columns)
+ return null;
+
+ $.each(columns, function(i, c) {
+ if (c.name == name)
+ return c
+ });
+ return null;
+ },
+
+ get_type: function(method, name) {
+ var table = this.get_table(method);
+ if (!table)
+ return null;
+
+ return (typeof table.type === 'undefined') ? null : table.type;
+ }
+
+ },
+
+ /**************************************************************************
+ * Query management
+ **************************************************************************/
+
+ query_store: new QueryStore(),
+
+ // XXX Remaining functions are deprecated since they are replaced by the query store
+
/*!
* Associative array storing the set of queries active on the page
* \memberof Manifold
* \param ManifoldQuery query Query to be added
*/
insert_query : function (query) {
+ // NEW API
+ manifold.query_store.insert(query);
+
+ // FORMER API
if (query.analyzed_query == null) {
query.analyze_subqueries();
}
return manifold.all_queries[query_uuid];
},
+ /**************************************************************************
+ * Query execution
+ **************************************************************************/
+
// trigger a query asynchroneously
proxy_url : '/manifold/proxy/json/',
+ // reasonably low-noise, shows manifold requests coming in and out
asynchroneous_debug : true,
+ // print our more details on result publication and related callbacks
+ publish_result_debug : false,
/**
* \brief We use js function closure to be able to pass the query (array)
* to the callback function used when data is received
*/
- success_closure: function(query, publish_uuid, callback /*domid*/)
- {
+ success_closure: function(query, publish_uuid, callback /*domid*/) {
return function(data, textStatus) {
manifold.asynchroneous_success(data, query, publish_uuid, callback /*domid*/);
}
},
+ run_query: function(query, callback) {
+ // default value for callback = null
+ if (typeof callback === 'undefined')
+ callback = null;
+
+ var query_json = JSON.stringify(query);
+
+ /* Nothing related to pubsub here... for the moment at least. */
+ //query.iter_subqueries(function (sq) {
+ // manifold.raise_record_event(sq.query_uuid, IN_PROGRESS);
+ //});
+
+ $.post(manifold.proxy_url, {'json': query_json} , manifold.success_closure(query, null, callback /*domid*/));
+ },
+
// Executes all async. queries
// input queries are specified as a list of {'query_uuid': <query_uuid>, 'id': <possibly null>}
asynchroneous_exec : function (query_publish_dom_tuples) {
// not quite sure what happens if we send a string directly, as POST data is named..
// this gets reconstructed on the proxy side with ManifoldQuery.fill_from_POST
- jQuery.post(manifold.proxy_url, {'json':query_json} , manifold.success_closure(query, publish_uuid, tuple.callback /*domid*/));
+ jQuery.post(manifold.proxy_url, {'json':query_json},
+ manifold.success_closure(query, publish_uuid, tuple.callback /*domid*/));
})
},
*/
forward: function(query, callback /*domid*/) {
var query_json = JSON.stringify(query);
- $.post(manifold.proxy_url, {'json': query_json} , manifold.success_closure(query, query.query_uuid, callback/*domid*/));
+ $.post(manifold.proxy_url, {'json': query_json} ,
+ manifold.success_closure(query, query.query_uuid, callback/*domid*/));
},
/*!
return true;
},
- raise_event_handler: function(type, query_uuid, event_type, value)
- {
- if (type == 'query') {
- var channels = [ manifold.get_query_channel(query_uuid), manifold.get_query_channel('*') ];
- } else if (type == 'record') {
- var channels = [ manifold.get_record_channel(query_uuid), manifold.get_record_channel('*') ];
-
- } else {
- throw 'Incorrect type for manifold.raise_event()';
- }
- $.each(channels, function(i, channel) {
- if (value === undefined)
- $('.plugin').trigger(channel, [event_type]);
- else
- $('.plugin').trigger(channel, [event_type, value]);
- });
- },
-
- raise_query_event: function(query_uuid, event_type, value)
- {
- manifold.raise_event_handler('query', query_uuid, event_type, value);
- },
-
- raise_record_event: function(query_uuid, event_type, value)
- {
- manifold.raise_event_handler('record', query_uuid, event_type, value);
- },
-
/*!
* Publish result
* \fn publish_result(query, results)
// NEW PLUGIN API
manifold.raise_record_event(query.query_uuid, CLEAR_RECORDS);
+ if (manifold.publish_result_debug) messages.debug(".. publish_result (1) ");
+ var count=0;
$.each(result, function(i, record) {
manifold.raise_record_event(query.query_uuid, NEW_RECORD, record);
+ count += 1;
});
+ if (manifold.publish_result_debug) messages.debug(".. publish_result NEW API (2) count=" + count);
manifold.raise_record_event(query.query_uuid, DONE);
// OLD PLUGIN API BELOW
/* Publish an update announce */
var channel="/results/" + query.query_uuid + "/changed";
- if (manifold.asynchroneous_debug)
- messages.debug("publishing result on " + channel);
+ if (manifold.publish_result_debug) messages.debug(".. publish_result OLD API (3) " + channel);
jQuery.publish(channel, [result, query]);
+
+ if (manifold.publish_result_debug) messages.debug(".. publish_result - END (4) q=" + query.__repr());
},
/*!
* otherwise, publish the main object as well as subqueries
* XXX how much recursive are we ?
*/
+ if (manifold.publish_result_debug) messages.debug (">>>>> publish_result_rec " + query.object);
if (manifold.query_expects_unique_result(query)) {
/* Also publish subqueries */
jQuery.each(query.subqueries, function(object, subquery) {
/* TODO remove object from result */
});
}
+ if (manifold.publish_result_debug) messages.debug ("===== publish_result_rec " + query.object);
manifold.publish_result(query, result);
+ if (manifold.publish_result_debug) messages.debug ("<<<<< publish_result_rec " + query.object);
+ },
+
+ setup_update_query: function(query, records) {
+ // We don't prepare an update query if the result has more than 1 entry
+ if (records.length != 1)
+ return;
+ var query_ext = manifold.query_store.find_query_ext(query.query_uuid);
+
+ var record = records[0];
+
+ var update_query_ext = query_ext.update_query_ext;
+ var update_query = update_query_ext.query;
+ var update_query_ext = query_ext.update_query_ext;
+ var update_query_orig = query_ext.update_query_orig_ext.query;
+
+ // Testing whether the result has subqueries (one level deep only)
+ // iif the query has subqueries
+ var count = 0;
+ var obj = query.analyzed_query.subqueries;
+ for (method in obj) {
+ if (obj.hasOwnProperty(method)) {
+ var key = manifold.metadata.get_key(method);
+ if (!key)
+ continue;
+ if (key.length > 1)
+ continue;
+ key = key[0];
+ var sq_keys = [];
+ var subrecords = record[method];
+ if (!subrecords)
+ continue
+ $.each(subrecords, function (i, subrecord) {
+ sq_keys.push(subrecord[key]);
+ });
+ update_query.params[method] = sq_keys;
+ update_query_orig.params[method] = sq_keys.slice();
+ count++;
+ }
+ }
+
+ if (count > 0) {
+ update_query_ext.disabled = false;
+ update_query_orig_ext.disabled = false;
+ }
+ },
+
+ process_get_query_records: function(query, records) {
+ this.setup_update_query(query, records);
+
+ /* Publish full results */
+ tmp_query = manifold.find_query(query.query_uuid);
+ manifold.publish_result_rec(tmp_query.analyzed_query, records);
+ },
+
+ /**
+ *
+ * What we need to do when receiving results from an update query:
+ * - differences between what we had, what we requested, and what we obtained
+ * . what we had : update_query_orig (simple fields and set fields managed differently)
+ * . what we requested : update_query
+ * . what we received : records
+ * - raise appropriate events
+ *
+ * The normal process is that results similar to Get will be pushed in the
+ * pubsub mechanism, thus repopulating everything while we only need
+ * diff's. This means we need to move the publish functionalities in the
+ * previous 'process_get_query_records' function.
+ */
+ process_update_query_records: function(query, records) {
+ // First issue: we request everything, and not only what we modify, so will will have to ignore some fields
+ var query_uuid = query.query_uuid;
+ var query_ext = manifold.query_store.find_analyzed_query_ext(query_uuid);
+ var update_query = query_ext.main_query_ext.update_query_ext.query;
+ var update_query_orig = query_ext.main_query_ext.update_query_orig_ext.query;
+
+ // Since we update objects one at a time, we can get the first record
+ var record = records[0];
+
+ // Let's iterate over the object properties
+ for (var field in record) {
+ switch (this.get_type(record[field])) {
+ case TYPE_VALUE:
+ // Did we ask for a change ?
+ var update_value = update_query[field];
+ if (!update_value)
+ // Not requested, if it has changed: OUT OF SYNC
+ // How we can know ?
+ // We assume it won't have changed
+ continue;
+
+ var result_value = record[field];
+ if (!result_value)
+ throw "Internal error";
+
+ data = {
+ request: FIELD_REQUEST_CHANGE,
+ key : field,
+ value : update_value,
+ status: (update_value == result_value) ? FIELD_REQUEST_SUCCESS : FIELD_REQUEST_FAILURE,
+ }
+ manifold.raise_record_event(query_uuid, FIELD_STATE_CHANGED, data);
+
+ break;
+ case TYPE_RECORD:
+ throw "Not implemented";
+ break;
+
+ case TYPE_LIST_OF_VALUES:
+ // Same as list of records, but we don't have to extract keys
+ var result_keys = record[field]
+
+ // The rest of exactly the same (XXX factorize)
+ var update_keys = update_query_orig.params[field];
+ var query_keys = update_query.params[field];
+ var added_keys = $.grep(query_keys, function (x) { return $.inArray(x, update_keys) == -1 });
+ var removed_keys = $.grep(update_keys, function (x) { return $.inArray(x, query_keys) == -1 });
+
+
+ $.each(added_keys, function(i, key) {
+ if ($.inArray(key, result_keys) == -1) {
+ data = {
+ request: FIELD_REQUEST_ADD,
+ key : field,
+ value : key,
+ status: FIELD_REQUEST_FAILURE,
+ }
+ } else {
+ data = {
+ request: FIELD_REQUEST_ADD,
+ key : field,
+ value : key,
+ status: FIELD_REQUEST_SUCCESS,
+ }
+ }
+ manifold.raise_record_event(query_uuid, FIELD_STATE_CHANGED, data);
+ });
+ $.each(removed_keys, function(i, key) {
+ if ($.inArray(key, result_keys) == -1) {
+ data = {
+ request: FIELD_REQUEST_REMOVE,
+ key : field,
+ value : key,
+ status: FIELD_REQUEST_SUCCESS,
+ }
+ } else {
+ data = {
+ request: FIELD_REQUEST_REMOVE,
+ key : field,
+ value : key,
+ status: FIELD_REQUEST_FAILURE,
+ }
+ }
+ manifold.raise_record_event(query_uuid, FIELD_STATE_CHANGED, data);
+ });
+
+
+ break;
+ case TYPE_LIST_OF_RECORDS:
+ // example: slice.resource
+ // - update_query_orig.params.resource = resources in slice before update
+ // - update_query.params.resource = resource requested in slice
+ // - keys from field = resources obtained
+ var key = manifold.metadata.get_key(field);
+ if (!key)
+ continue;
+ if (key.length > 1) {
+ throw "Not implemented";
+ continue;
+ }
+ key = key[0];
+
+ /* XXX should be modified for multiple keys */
+ var result_keys = $.map(record[field], function(x) { return x[key]; });
+
+ var update_keys = update_query_orig.params[field];
+ var query_keys = update_query.params[field];
+ var added_keys = $.grep(query_keys, function (x) { return $.inArray(x, update_keys) == -1 });
+ var removed_keys = $.grep(update_keys, function (x) { return $.inArray(x, query_keys) == -1 });
+
+
+ $.each(added_keys, function(i, key) {
+ if ($.inArray(key, result_keys) == -1) {
+ data = {
+ request: FIELD_REQUEST_ADD,
+ key : field,
+ value : key,
+ status: FIELD_REQUEST_FAILURE,
+ }
+ } else {
+ data = {
+ request: FIELD_REQUEST_ADD,
+ key : field,
+ value : key,
+ status: FIELD_REQUEST_SUCCESS,
+ }
+ }
+ manifold.raise_record_event(query_uuid, FIELD_STATE_CHANGED, data);
+ });
+ $.each(removed_keys, function(i, key) {
+ if ($.inArray(key, result_keys) == -1) {
+ data = {
+ request: FIELD_REQUEST_REMOVE,
+ key : field,
+ value : key,
+ status: FIELD_REQUEST_SUCCESS,
+ }
+ } else {
+ data = {
+ request: FIELD_REQUEST_REMOVE,
+ key : field,
+ value : key,
+ status: FIELD_REQUEST_FAILURE,
+ }
+ }
+ manifold.raise_record_event(query_uuid, FIELD_STATE_CHANGED, data);
+ });
+
+
+ break;
+ }
+ }
+
+ // XXX Now we need to adapt 'update' and 'update_orig' queries as if we had done a get
+ this.setup_update_query(query, records);
+ },
+
+ process_query_records: function(query, records) {
+ if (query.action == 'get') {
+ this.process_get_query_records(query, records);
+ } else if (query.action == 'update') {
+ this.process_update_query_records(query, records);
+ }
},
// if set domid allows the result to be directed to just one plugin
// e.g. an updater wants to publish its result as if from the original (get) query
asynchroneous_success : function (data, query, publish_uuid, callback /*domid*/) {
// xxx should have a nicer declaration of that enum in sync with the python code somehow
+
+ var start = new Date();
+ if (manifold.asynchroneous_debug)
+ messages.debug(">>>>>>>>>> asynchroneous_success query.object=" + query.object);
/* If a callback has been specified, we redirect results to it */
- if (!!callback) { callback(data); return; }
+ if (!!callback) {
+ callback(data);
+ if (manifold.asynchroneous_debug) {
+ duration=new Date()-start;
+ messages.debug ("<<<<<<<<<< asynchroneous_success " + query.object + " -- callback ended " + duration + " ms");
+ }
+ return;
+ }
if (data.code == 2) { // ERROR
// We need to make sense of error codes here
alert("Your session has expired, please log in again");
window.location="/logout/";
+ if (manifold.asynchroneous_debug) {
+ duration=new Date()-start;
+ messages.debug ("<<<<<<<<<< asynchroneous_success " + query.object + " -- error returned - logging out " + duration + " ms");
+ }
return;
}
if (data.code == 1) { // WARNING
messages.error("Some errors have been received from the manifold backend at " + MANIFOLD_URL + " [" + data.description + "]");
// publish error code and text message on a separate channel for whoever is interested
- jQuery.publish("/results/" + publish_uuid + "/failed", [data.code, data.description] );
+ if (publish_uuid)
+ $.publish("/results/" + publish_uuid + "/failed", [data.code, data.description] );
$("#notifications").notify("create", "sticky", {
title: 'Warning',
});
}
+ if (manifold.asynchroneous_debug)
+ messages.debug ("========== asynchroneous_success " + query.object + " -- before process_query_records");
+
// once everything is checked we can use the 'value' part of the manifoldresult
var result=data.value;
if (result) {
- //if (!!callback /* domid */) {
- // /* Directly inform the requestor */
- // if (manifold.asynchroneous_debug) messages.debug("directing result to callback");
- // callback(result);
- // //if (manifold.asynchroneous_debug) messages.debug("directing result to " + domid);
- // //jQuery('#' + domid).trigger('results', [result]);
- //} else {
- /* XXX Jordan XXX I don't need publish_uuid here... What is it used for ? */
- /* query is the query we sent to the backend; we need to find the
- * corresponding analyezd_query in manifold.all_queries
- */
- tmp_query = manifold.find_query(query.query_uuid);
- manifold.publish_result_rec(tmp_query.analyzed_query, result);
- //}
+ /* Eventually update the content of related queries (update, etc) */
+ this.process_query_records(query, result);
+ /* Publish results: disabled here, done in the previous call */
+ //tmp_query = manifold.find_query(query.query_uuid);
+ //manifold.publish_result_rec(tmp_query.analyzed_query, result);
}
+ if (manifold.asynchroneous_debug) {
+ duration=new Date()-start;
+ messages.debug ("<<<<<<<<<< asynchroneous_success " + query.object + " -- done " + duration + " ms");
+ }
+
+ },
+
+ /**************************************************************************
+ * Plugin API helpers
+ **************************************************************************/
+
+ raise_event_handler: function(type, query_uuid, event_type, value) {
+ if ((type != 'query') && (type != 'record'))
+ throw 'Incorrect type for manifold.raise_event()';
+
+ var channels = [ manifold.get_channel(type, query_uuid), manifold.get_channel(type, '*') ];
+
+ $.each(channels, function(i, channel) {
+ if (value === undefined) {
+ $('.plugin').trigger(channel, [event_type]);
+ } else {
+ $('.plugin').trigger(channel, [event_type, value]);
+ }
+ });
+ },
+
+ raise_query_event: function(query_uuid, event_type, value) {
+ manifold.raise_event_handler('query', query_uuid, event_type, value);
+ },
+
+ raise_record_event: function(query_uuid, event_type, value) {
+ manifold.raise_event_handler('record', query_uuid, event_type, value);
},
- raise_event: function(uuid, event_type, value)
- {
+
+ raise_event: function(query_uuid, event_type, value) {
+ // Query uuid has been updated with the key of a new element
+ query_ext = manifold.query_store.find_analyzed_query_ext(query_uuid);
+ query = query_ext.query;
+
switch(event_type) {
- case SET_ADD:
- // Query uuid has been updated with the key of a new element
+ case FIELD_STATE_CHANGED:
+ // value is an object (request, key, value, status)
+ // update is only possible is the query is not pending, etc
+ // SET_ADD is on a subquery, FIELD_STATE_CHANGED on the query itself
+ // we should map SET_ADD on this...
+
+ // 1. Update internal query store about the change in status
+
+ // 2. Update the update query
+ update_query = query_ext.main_query_ext.update_query_ext.query;
+ update_query_orig = query_ext.main_query_ext.update_query_orig_ext.query;
+
+ switch(value.request) {
+ case FIELD_REQUEST_CHANGE:
+ update_query.params[value.key] = value.value;
+ break;
+ case FIELD_REQUEST_ADD:
+ if ($.inArray(value.value, update_query_orig.params[value.key]) != -1)
+ value.request = FIELD_REQUEST_ADD_RESET;
+ update_query.params[value.key].push(value.value);
+ break;
+ case FIELD_REQUEST_REMOVE:
+ if ($.inArray(value.value, update_query_orig.params[value.key]) == -1)
+ value.request = FIELD_REQUEST_REMOVE_RESET;
+
+ var arr = update_query.params[value.key];
+ arr = $.grep(arr, function(x) { return x != value.value; });
+ update_query.params[value.key] = arr;
+
+ break;
+ case FIELD_REQUEST_ADD_RESET:
+ case FIELD_REQUEST_REMOVE_RESET:
+ // XXX We would need to keep track of the original query
+ throw "Not implemented";
+ break;
+ }
+
+ // 3. Inform others about the change
+ // a) the main query...
+ manifold.raise_record_event(query_uuid, event_type, value);
+
+ // b) subqueries eventually (dot in the key)
+ // Let's unfold
+ var path_array = value.key.split('.');
+ var value_key = value.key.split('.');
+
+ var cur_query = query;
+ if (cur_query.analyzed_query)
+ cur_query = cur_query.analyzed_query;
+ $.each(path_array, function(i, method) {
+ cur_query = cur_query.subqueries[method];
+ value_key.shift(); // XXX check that method is indeed shifted
+ });
+ value.key = value_key;
+
+ manifold.raise_record_event(cur_query.query_uuid, event_type, value);
+
+ // XXX make this DOT a global variable... could be '/'
break;
+
+ case SET_ADD:
case SET_REMOVED:
- // Query uuid has been updated with the key of a removed element
+
+ // update is only possible is the query is not pending, etc
+ // CHECK status !
+
+ // XXX we can only update subqueries of the main query. Check !
+ // assert query_ext.parent_query == query_ext.main_query
+ // old // update_query = query_ext.main_query_ext.update_query_ext.query;
+
+ // This SET_ADD is called on a subquery, so we have to
+ // recontruct the path of the key in the main_query
+ // We then call FIELD_STATE_CHANGED which is the equivalent for the main query
+
+ var path = "";
+ var sq = query_ext;
+ while (sq.parent_query_ext) {
+ if (path != "")
+ path = '.' + path;
+ path = sq.query.object + path;
+ sq = sq.parent_query_ext;
+ }
+
+ main_query = query_ext.main_query_ext.query;
+ data = {
+ request: (event_type == SET_ADD) ? FIELD_REQUEST_ADD : FIELD_REQUEST_REMOVE,
+ key : path,
+ value : value,
+ status: FIELD_REQUEST_PENDING,
+ };
+ this.raise_event(main_query.query_uuid, FIELD_STATE_CHANGED, data);
+
+ // old //update_query.params[path].push(value);
+ // old // console.log('Updated query params', update_query);
+ // NOTE: update might modify the fields in Get
+ // NOTE : we have to modify all child queries
+ // NOTE : parts of a query might not be started (eg slice.measurements, how to handle ?)
+
+ // if everything is done right, update_query should not be null.
+ // It is updated when we received results from the get query
+ // object = the same as get
+ // filter = key : update a single object for now
+ // fields = the same as get
+ manifold.raise_query_event(query_uuid, event_type, value);
+
+ break;
+
+ case RUN_UPDATE:
+ manifold.run_query(query_ext.main_query_ext.update_query_ext.query);
+ break;
+
+ case FILTER_ADDED:
+ manifold.raise_query_event(query_uuid, event_type, value);
+ break;
+ case FILTER_REMOVED:
+ manifold.raise_query_event(query_uuid, event_type, value);
+ break;
+ case FIELD_ADDED:
+ main_query = query_ext.main_query_ext.query;
+ main_update_query = query_ext.main_query_ext.update_query;
+ query.select(value);
+
+ // Here we need the full path through all subqueries
+ path = ""
+ // XXX We might need the query name in the QueryExt structure
+ main_query.select(value);
+
+ // XXX When is an update query associated ?
+ // XXX main_update_query.select(value);
+
+ manifold.raise_query_event(query_uuid, event_type, value);
+ break;
+
+ case FIELD_REMOVED:
+ query = query_ext.query;
+ main_query = query_ext.main_query_ext.query;
+ main_update_query = query_ext.main_query_ext.update_query;
+ query.unselect(value);
+ main_query.unselect(value);
+
+ // We need to inform about changes in these queries to the respective plugins
+ // Note: query & main_query have the same UUID
+ manifold.raise_query_event(query_uuid, event_type, value);
break;
}
+ // We need to inform about changes in these queries to the respective plugins
+ // Note: query, main_query & update_query have the same UUID
+ manifold.raise_query_event(query_uuid, event_type, value);
+ // We are targeting the same object with get and update
+ // The notion of query is bad, we should have a notion of destination, and issue queries on the destination
+ // NOTE: Editing a subquery == editing a local view on the destination
+
+ // XXX We might need to run the new query again and manage the plugins in the meantime with spinners...
+ // For the time being, we will collect all columns during the first query
},
/* Publish/subscribe channels for internal use */
- get_query_channel: function(uuid) { return '/query/' + uuid },
- get_record_channel: function(uuid) { return '/record/' + uuid },
+ get_channel: function(type, query_uuid) {
+ if ((type !== 'query') && (type != 'record'))
+ return null;
+ return '/' + type + '/' + query_uuid;
+ },
}; // manifold object
/* ------------------------------------------------------------ */
(function($) {
- /* NEW PLUGIN API
- *
- * NOTE: Since we don't have a plugin class, we are extending all jQuery
- * plugins...
- */
-
- /*!
- * \brief Associates a query handler to the current plugin
- * \param uuid (string) query uuid
- * \param handler (function) handler callback
- */
- $.fn.set_query_handler = function(uuid, handler)
- {
- this.on(manifold.get_query_channel(uuid), handler);
- }
-
- $.fn.set_record_handler = function(uuid, handler)
- {
- this.on(manifold.get_record_channel(uuid), handler);
- }
-
// OLD PLUGIN API: extend jQuery/$ with pubsub capabilities
// https://gist.github.com/661855
var o = $({});
}
}
});
-
git://git.onelab.eu / myslice.git / blobdiff