1 function ManifoldQuery(action, object, timestamp, filters, params, fields, unique, query_uuid, aq, sq) {
2 // get, update, delete, create
4 // slice, user, network...
6 // timestamp, now, latest(cache) : date of the results queried
8 // key(field),op(=<>),value
14 // 0,1 : list of element of an object or single object
16 // query_uuid : unique identifier of a query
18 // Query : root query (no sub-Query)
20 // {} : Assoc Table of sub-queries ["resources"->subQ1, "users"->subQ2]
23 /*-------------------------------------------------------------
24 Query properties are SQL like :
25 ---------------------------------------------------------------
26 SELECT fields FROM object WHERE filter;
27 UPDATE object SET field=value WHERE filter; / returns SELECT
28 DELETE FROM object WHERE filter
29 INSERT INTO object VALUES(field=value)
30 -------------------------------------------------------------*/
32 this.__repr = function () {
33 res = "ManifoldQuery ";
34 res += " id=" + this.query_uuid;
35 res += " a=" + this.action;
36 res += " o=" + this.object;
37 res += " ts=" + this.timestamp;
38 res += " flts=" + this.filters;
39 res += " flds=" + this.fields;
40 res += " prms=" + this.params;
44 this.clone = function() {
45 q = new ManifoldQuery();
46 return jQuery.extend(true, q, this);
48 this.add_filter = function(key, op, value) {
49 this.filters.push(new Array(key, op, value));
51 this.update_filter = function(key, op, value) {
52 // Need to be improved...
53 // remove all occurrences of key if operation is not defined
55 this.filters = jQuery.grep(this.filters, function(val, i) {
58 // Else remove the key+op filters
60 this.filters = jQuery.grep(this.filters, function(val, i) {return (val[0] != key || val[1] != op);});
62 this.filters.push(new Array(key, op, value));
65 this.remove_filter = function (key,op,value) {
66 // if operator is null then remove all occurences of this key
68 this.filters = jQuery.grep(this.filters, function(val, i) {
72 this.filters = jQuery.grep(this.filters, function(val, i) {return (val[0] != key || val[1] != op);});
76 // FIXME These functions computing diff's between queries are meant to be shared
77 this.diff_fields = function(otherQuery) {
79 var f2 = otherQuery.fields;
81 /* added elements are the ones in f2 not in f1 */
82 var added = jQuery.grep(f2, function (x) { return jQuery.inArray(x, f1) == -1 });
83 /* removed elements are the ones in f1 not in f2 */
84 var removed = jQuery.grep(f1, function (x) { return jQuery.inArray(x, f2) == -1 });
86 return {'added':added, 'removed':removed};
89 // FIXME Modify filter to filters
90 this.diff_filter = function(otherQuery) {
91 var f1 = this.filters;
92 var f2 = otherQuery.filters;
94 /* added elements are the ones in f2 not in f1 */
95 var added = jQuery.grep(f2, function (x) { return !arrayInArray(x, f1)});
96 /* removed elements are the ones in f1 not in f2 */
97 var removed = jQuery.grep(f1, function (x) { return !arrayInArray(x, f2)});
99 return {'added':added, 'removed':removed};
102 // Callaback received 3 parameters: query, data, parent_query
103 this.iter_subqueries = function(callback, data)
105 rec = function(query, callback, data, parent_query) {
106 jQuery.each(query.subqueries, function(object, subquery) {
107 rec(subquery, callback, data, query);
109 callback(query, data, parent_query);
112 if (this.analyzed_query !== undefined)
113 query = this.analyzed_query;
117 rec(query, callback, data, null);
120 this.select = function(field)
122 this.fields.push(field);
125 this.unselect = function(field)
127 this.fields = $.grep(this.fields, function(x) { return x != field; });
130 // we send queries as a json string now
131 // this.as_POST = function() {
132 // return {'action': this.action, 'object': this.object, 'timestamp': this.timestamp,
133 // 'filters': this.filters, 'params': this.params, 'fields': this.fields};
135 this.analyze_subqueries = function() {
136 /* adapted from the PHP function in com_tophat/includes/query.php */
137 var q = new ManifoldQuery();
138 q.query_uuid = this.query_uuid;
139 q.action = this.action;
140 q.object = this.object;
141 q.timestamp = this.timestamp;
144 jQuery.each(this.filters, function(i, filter) {
148 var pos = k.indexOf('.');
150 var object = k.substr(0, pos);
151 var field = k.substr(pos+1);
152 if (!q.subqueries[object]) {
153 q.subqueries[object] = new ManifoldQuery();
154 q.subqueries[object].action = q.action;
155 q.subqueries[object].object = object;
156 q.subqueries[object].timestamp = q.timestamp;
158 q.subqueries[object].filters.push(Array(field, op, v));
160 q.filters.push(filter);
165 jQuery.each(this.params, function(param, value) {
166 var pos = param.indexOf('.');
168 var object = param.substr(0, pos);
169 var field = param.substr(pos+1);
170 if (!q.subqueries[object]) {
171 q.subqueries[object] = new ManifoldQuery();
172 q.subqueries[object].action = q.action;
173 q.subqueries[object].object = object;
174 q.subqueries[object].timestamp = q.timestamp;
176 q.subqueries[object].params[field] = value;
178 q.params[field] = value;
183 jQuery.each(this.fields, function(i, v) {
184 var pos = v.indexOf('.');
186 var object = v.substr(0, pos);
187 var field = v.substr(pos+1);
188 if (!q.subqueries[object]) {
189 q.subqueries[object] = new ManifoldQuery();
190 q.subqueries[object].action = q.action;
191 q.subqueries[object].object = object;
192 q.subqueries[object].timestamp = q.timestamp;
194 q.subqueries[object].fields.push(field);
199 this.analyzed_query = q;
203 if (typeof action == "undefined")
206 this.action = action;
208 if (typeof object == "undefined")
211 this.object = object;
213 if (typeof timestamp == "undefined")
214 this.timestamp = "now";
216 this.timestamp = timestamp;
218 if (typeof filters == "undefined")
221 this.filters = filters;
223 if (typeof params == "undefined")
226 this.params = params;
228 if (typeof fields == "undefined")
231 this.fields = fields;
233 if (typeof unique == "undefined")
236 this.unique = unique;
238 this.query_uuid = query_uuid;
240 if (typeof aq == "undefined")
241 this.analyzed_query = null;
243 this.analyzed_query = aq;
245 if (typeof sq == "undefined")
246 this.subqueries = {};
248 this.subqueries = sq;