-function ManifoldQuery(action, subject, timestamp, filters, params, fields, unique, query_uuid, aq, sq) {
+function ManifoldQuery(action, object, timestamp, filters, params, fields, unique, query_uuid, aq, sq) {
// get, update, delete, create
var action;
// slice, user, network...
- var subject;
+ var object;
// timestamp, now, latest(cache) : date of the results queried
var timestamp;
// key(field),op(=<>),value
/*-------------------------------------------------------------
Query properties are SQL like :
---------------------------------------------------------------
-SELECT fields FROM subject WHERE filter;
-UPDATE subject SET field=value WHERE filter; / returns SELECT
-DELETE FROM subject WHERE filter
-INSERT INTO subject VALUES(field=value)
+SELECT fields FROM object WHERE filter;
+UPDATE object SET field=value WHERE filter; / returns SELECT
+DELETE FROM object WHERE filter
+INSERT INTO object VALUES(field=value)
-------------------------------------------------------------*/
- this.__repr = function (q) {
- res = "ManyfoldQuery ";
- res += " id=" + q.query_uuid;
- res += " a=" + q.action;
- res += " s=" + q.subject;
- res += " ts=" + q.timestamp;
- res += " flts=" + q.filters;
- res += " flds=" + q.fields;
- res += " prms=" + q.params;
+ this.__repr = function () {
+ res = "ManifoldQuery ";
+ res += " id=" + this.query_uuid;
+ res += " a=" + this.action;
+ res += " o=" + this.object;
+ res += " ts=" + this.timestamp;
+ res += " flts=" + this.filters;
+ res += " flds=" + this.fields;
+ res += " prms=" + this.params;
return res;
}
q = new ManifoldQuery();
return jQuery.extend(true, q, this);
}
+
this.add_filter = function(key, op, value) {
this.filters.push(new Array(key, op, value));
}
}
this.filters.push(new Array(key, op, value));
}
- this.remove_filter = function (key,op,value){
+
+ this.remove_filter = function (key,op,value) {
// if operator is null then remove all occurences of this key
if(!op){
this.filters = jQuery.grep(this.filters, function(val, i) {
this.filters = jQuery.grep(this.filters, function(val, i) {return (val[0] != key || val[1] != op);});
}
}
+
// FIXME These functions computing diff's between queries are meant to be shared
- this.diff_fields = function (otherQuery)
- {
+ this.diff_fields = function(otherQuery) {
var f1 = this.fields;
var f2 = otherQuery.fields;
var removed = jQuery.grep(f1, function (x) { return jQuery.inArray(x, f2) == -1 });
return {'added':added, 'removed':removed};
- }
+ }
+
// FIXME Modify filter to filters
- this.diff_filter = function (otherQuery)
- {
+ this.diff_filter = function(otherQuery) {
var f1 = this.filters;
var f2 = otherQuery.filters;
return {'added':added, 'removed':removed};
}
+
+ // Callaback received 3 parameters: query, data, parent_query
+ this.iter_subqueries = function(callback, data)
+ {
+ rec = function(query, callback, data, parent_query) {
+ callback(query, data, parent_query);
+ jQuery.each(query.subqueries, function(object, subquery) {
+ rec(subquery, callback, data, query);
+ });
+ };
+
+ if (this.analyzed_query !== undefined)
+ query = this.analyzed_query;
+ else
+ query = this;
+
+ rec(query, callback, data, null);
+ }
+
+ this.select = function(field)
+ {
+ this.fields.push(field);
+ }
+
+ this.unselect = function(field)
+ {
+ this.fields = $.grep(this.fields, function(x) { return x != field; });
+ }
+
// we send queries as a json string now
// this.as_POST = function() {
-// return {'action': this.action, 'subject': this.subject, 'timestamp': this.timestamp,
+// return {'action': this.action, 'object': this.object, 'timestamp': this.timestamp,
// 'filters': this.filters, 'params': this.params, 'fields': this.fields};
// }
this.analyze_subqueries = function() {
var q = new ManifoldQuery();
q.query_uuid = this.query_uuid;
q.action = this.action;
- q.subject = this.subject;
+ q.object = this.object;
q.timestamp = this.timestamp;
/* Filters */
var v = filter[2];
var pos = k.indexOf('.');
if (pos != -1) {
- var subject = k.substr(0, pos);
+ var object = k.substr(0, pos);
var field = k.substr(pos+1);
- if (jQuery.inArray(this.subject, q.subqueries) == -1) {
- q.subqueries[this.subject] = new ManifoldQuery();
- q.subqueries[this.subject].action = this.action;
- q.subqueries[this.subject].subject = this.subject;
- q.subqueries[this.subject].timestamp = this.timestamp;
+ if (!q.subqueries[object]) {
+ q.subqueries[object] = new ManifoldQuery();
+ q.subqueries[object].action = q.action;
+ q.subqueries[object].object = object;
+ q.subqueries[object].timestamp = q.timestamp;
}
- q.subqueries[this.subject].filters.push(Array(field, op, v));
+ q.subqueries[object].filters.push(Array(field, op, v));
} else {
- q.filters.push(this.filter);
+ q.filters.push(filter);
}
});
jQuery.each(this.params, function(param, value) {
var pos = param.indexOf('.');
if (pos != -1) {
- var subject = param.substr(0, pos);
+ var object = param.substr(0, pos);
var field = param.substr(pos+1);
- if (jQuery.inArray(this.subject, q.subqueries) == -1) {
- q.subqueries[this.subject] = new ManifoldQuery();
- q.subqueries[this.subject].action = this.action;
- q.subqueries[this.subject].subject = this.subject;
- q.subqueries[this.subject].timestamp = this.timestamp;
+ if (!q.subqueries[object]) {
+ q.subqueries[object] = new ManifoldQuery();
+ q.subqueries[object].action = q.action;
+ q.subqueries[object].object = object;
+ q.subqueries[object].timestamp = q.timestamp;
}
- q.subqueries[this.subject].params[field] = value;
+ q.subqueries[object].params[field] = value;
} else {
q.params[field] = value;
}
jQuery.each(this.fields, function(i, v) {
var pos = v.indexOf('.');
if (pos != -1) {
- var subject = v.substr(0, pos);
+ var object = v.substr(0, pos);
var field = v.substr(pos+1);
- if (jQuery.inArray(this.subject, q.subqueries) == -1) {
- q.subqueries[this.subject] = new ManifoldQuery();
- q.subqueries[this.subject].action = this.action;
- q.subqueries[this.subject].subject = this.subject;
- q.subqueries[this.subject].timestamp = this.timestamp;
+ if (!q.subqueries[object]) {
+ q.subqueries[object] = new ManifoldQuery();
+ q.subqueries[object].action = q.action;
+ q.subqueries[object].object = object;
+ q.subqueries[object].timestamp = q.timestamp;
}
- q.subqueries[this.subject].fields.push(field);
+ q.subqueries[object].fields.push(field);
} else {
q.fields.push(v);
}
}
/* constructor */
- this.action = action;
- this.subject = subject;
- this.timestamp = timestamp;
- this.filters = filters;
- this.params = params;
- this.fields = fields;
- this.unique = unique;
+ if (typeof action == "undefined")
+ this.action = "get";
+ else
+ this.action = action;
+
+ if (typeof object == "undefined")
+ this.object = null;
+ else
+ this.object = object;
+
+ if (typeof timestamp == "undefined")
+ this.timestamp = "now";
+ else
+ this.timestamp = timestamp;
+
+ if (typeof filters == "undefined")
+ this.filters = [];
+ else
+ this.filters = filters;
+
+ if (typeof params == "undefined")
+ this.params = {};
+ else
+ this.params = params;
+
+ if (typeof fields == "undefined")
+ this.fields = [];
+ else
+ this.fields = fields;
+
+ if (typeof unique == "undefined")
+ this.unique = false;
+ else
+ this.unique = unique;
+
this.query_uuid = query_uuid;
- this.analyzed_query = aq;
- this.subqueries = sq;
+
+ if (typeof aq == "undefined")
+ this.analyzed_query = null;
+ else
+ this.analyzed_query = aq;
+
+ if (typeof sq == "undefined")
+ this.subqueries = {};
+ else
+ this.subqueries = sq;
}