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};
101 // we send queries as a json string now
102 // this.as_POST = function() {
103 // return {'action': this.action, 'object': this.object, 'timestamp': this.timestamp,
104 // 'filters': this.filters, 'params': this.params, 'fields': this.fields};
106 this.analyze_subqueries = function() {
107 /* adapted from the PHP function in com_tophat/includes/query.php */
108 var q = new ManifoldQuery();
109 q.query_uuid = this.query_uuid;
110 q.action = this.action;
111 q.object = this.object;
112 q.timestamp = this.timestamp;
115 jQuery.each(this.filters, function(i, filter) {
119 var pos = k.indexOf('.');
121 var object = k.substr(0, pos);
122 var field = k.substr(pos+1);
123 if (!q.subqueries[object]) {
124 q.subqueries[object] = new ManifoldQuery();
125 q.subqueries[object].action = q.action;
126 q.subqueries[object].object = object;
127 q.subqueries[object].timestamp = q.timestamp;
129 q.subqueries[object].filters.push(Array(field, op, v));
131 q.filters.push(filter);
136 jQuery.each(this.params, function(param, value) {
137 var pos = param.indexOf('.');
139 var object = param.substr(0, pos);
140 var field = param.substr(pos+1);
141 if (!q.subqueries[object]) {
142 q.subqueries[object] = new ManifoldQuery();
143 q.subqueries[object].action = q.action;
144 q.subqueries[object].object = object;
145 q.subqueries[object].timestamp = q.timestamp;
147 q.subqueries[object].params[field] = value;
149 q.params[field] = value;
154 jQuery.each(this.fields, function(i, v) {
155 var pos = v.indexOf('.');
157 var object = v.substr(0, pos);
158 var field = v.substr(pos+1);
159 if (!q.subqueries[object]) {
160 q.subqueries[object] = new ManifoldQuery();
161 q.subqueries[object].action = q.action;
162 q.subqueries[object].object = object;
163 q.subqueries[object].timestamp = q.timestamp;
165 q.subqueries[object].fields.push(field);
170 this.analyzed_query = q;
174 if (typeof action == "undefined")
177 this.action = action;
179 if (typeof object == "undefined")
182 this.object = object;
184 if (typeof timestamp == "undefined")
185 this.timestamp = "now";
187 this.timestamp = timestamp;
189 if (typeof filters == "undefined")
192 this.filters = filters;
194 if (typeof params == "undefined")
197 this.params = params;
199 if (typeof fields == "undefined")
202 this.fields = fields;
204 if (typeof unique == "undefined")
207 this.unique = unique;
209 this.query_uuid = query_uuid;
211 if (typeof aq == "undefined")
212 this.analyzed_query = null;
214 this.analyzed_query = aq;
216 if (typeof sq == "undefined")
217 this.subqueries = {};
219 this.subqueries = sq;