improved subquery support
authorJordan Augé <jordan.auge@lip6.fr>
Tue, 7 May 2013 16:12:57 +0000 (18:12 +0200)
committerJordan Augé <jordan.auge@lip6.fr>
Tue, 7 May 2013 16:12:57 +0000 (18:12 +0200)
manifold/js/manifold-query.js
manifold/js/manifold.js
manifold/manifoldapi.py

index 7d885ae..4d1ec0d 100644 (file)
@@ -120,13 +120,13 @@ INSERT INTO subject VALUES(field=value)
             if (pos != -1) {
                 var subject = 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[subject]) {
+                    q.subqueries[subject] = new ManifoldQuery();
+                    q.subqueries[subject].action = this.action;
+                    q.subqueries[subject].subject = this.subject;
+                    q.subqueries[subject].timestamp = this.timestamp;
                 }
-                q.subqueries[this.subject].filters.push(Array(field, op, v));
+                q.subqueries[subject].filters.push(Array(field, op, v));
             } else {
                 q.filters.push(this.filter);
             }
@@ -138,13 +138,13 @@ INSERT INTO subject VALUES(field=value)
             if (pos != -1) {
                 var subject = 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[subject]) {
+                    q.subqueries[subject] = new ManifoldQuery();
+                    q.subqueries[subject].action = this.action;
+                    q.subqueries[subject].subject = this.subject;
+                    q.subqueries[subject].timestamp = this.timestamp;
                 }
-                q.subqueries[this.subject].params[field] = value;
+                q.subqueries[subject].params[field] = value;
             } else {
                 q.params[field] = value;
             }
@@ -156,13 +156,13 @@ INSERT INTO subject VALUES(field=value)
             if (pos != -1) {
                 var subject = 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[subject]) {
+                    q.subqueries[subject] = new ManifoldQuery();
+                    q.subqueries[subject].action = this.action;
+                    q.subqueries[subject].subject = this.subject;
+                    q.subqueries[subject].timestamp = this.timestamp;
                 }
-                q.subqueries[this.subject].fields.push(field);
+                q.subqueries[subject].fields.push(field);
             } else {
                 q.fields.push(v);
             }
@@ -171,14 +171,49 @@ INSERT INTO subject VALUES(field=value)
     }
  
     /* 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 subject == "undefined")
+        this.subject = null;
+    else
+        this.subject = subject;
+
+    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 analyzed_query == "undefined")
+        this.analyzed_query = null;
+    else
+        this.analyzed_query = aq;
+
+    if (typeof subqueries == "undefined")
+        this.subqueries = {};
+    else
+        this.subqueries = sq;
 }  
index 81c61ce..f6c4f56 100644 (file)
@@ -18,16 +18,41 @@ function debug_query (msg, query) {
 }
 
 /* ------------------------------------------------------------ */
-// this namespace holds functions for globally managing query objects
+
+/*!
+ * This namespace holds functions for globally managing query objects
+ * \Class Manifold
+ */
 var manifold = {
 
+    /*!
+     * Associative array storing the set of queries active on the page
+     * \memberof Manifold
+     */
     all_queries: {},
 
+    /*!
+     * Insert a query in the global hash table associating uuids to queries.
+     * If the query has no been analyzed yet, let's do it.
+     * \fn insert_query(query)
+     * \memberof Manifold
+     * \param ManifoldQuery query Query to be added
+     */
     insert_query : function (query) { 
-       manifold.all_queries[query.query_uuid]=query; 
+        if (query.analyzed_query == null) {
+            query.analyze_subqueries();
+        }
+        manifold.all_queries[query.query_uuid]=query; 
     },
+
+    /*!
+     * Returns the query associated to a UUID
+     * \fn find_query(query_uuid)
+     * \memberof Manifold
+     * \param string query_uuid The UUID of the query to be returned
+     */
     find_query : function (query_uuid) { 
-       return manifold.all_queries[query_uuid];
+        return manifold.all_queries[query_uuid];
     },
 
     // trigger a query asynchroneously
@@ -38,68 +63,68 @@ var manifold = {
     // 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) {
-       // start spinners
-
-       // in case the spin stuff was not loaded, let's make sure we proceed to the exit 
-       try {
-           if (manifold.asynchroneous_debug) 
-               messages.debug("Turning on spin with " + jQuery(".need-spin").length + " matches for .need-spin");
-           jQuery('.need-spin').spin(spin_presets);
-       } catch (err) { messages.debug("Cannot turn on spins " + err); }
+        // start spinners
+
+        // in case the spin stuff was not loaded, let's make sure we proceed to the exit 
+        try {
+            if (manifold.asynchroneous_debug) 
+            messages.debug("Turning on spin with " + jQuery(".need-spin").length + " matches for .need-spin");
+            jQuery('.need-spin').spin(spin_presets);
+        } catch (err) { messages.debug("Cannot turn on spins " + err); }
        
-       // We use js function closure to be able to pass the query (array) to the
-       // callback function used when data is received
-       var success_closure = function(query, publish_uuid, domid) {
-           return function(data, textStatus) {manifold.asynchroneous_success(data, query, publish_uuid, domid);}};
-       
-       // Loop through input array, and use publish_uuid to publish back results
-       jQuery.each(query_publish_dom_tuples, function(index, tuple) {
-           var query=manifold.find_query(tuple.query_uuid);
-           var query_json=JSON.stringify (query);
-           var publish_uuid=tuple.publish_uuid;
-           // by default we publish using the same uuid of course
-           if (publish_uuid==undefined) publish_uuid=query.query_uuid;
-           if (manifold.asynchroneous_debug) {
-               messages.debug("sending POST on " + manifold.proxy_url + " to be published on " + publish_uuid);
-               messages.debug("... ctd... with actual query= " + query.__repr());
-           }
-           // 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} , success_closure(query, publish_uuid, tuple.domid));
-       })
-           },
+        // We use js function closure to be able to pass the query (array) to the
+        // callback function used when data is received
+        var success_closure = function(query, publish_uuid, domid) {
+            return function(data, textStatus) {manifold.asynchroneous_success(data, query, publish_uuid, domid);}};
+        
+        // Loop through input array, and use publish_uuid to publish back results
+        jQuery.each(query_publish_dom_tuples, function(index, tuple) {
+            var query=manifold.find_query(tuple.query_uuid);
+            var query_json=JSON.stringify (query);
+            var publish_uuid=tuple.publish_uuid;
+            // by default we publish using the same uuid of course
+            if (publish_uuid==undefined) publish_uuid=query.query_uuid;
+            if (manifold.asynchroneous_debug) {
+                messages.debug("sending POST on " + manifold.proxy_url + " to be published on " + publish_uuid);
+                messages.debug("... ctd... with actual query= " + query.__repr());
+            }
+            // 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} , success_closure(query, publish_uuid, tuple.domid));
+        })
+    },
 
     // if set domid allows the result to be directed to just one plugin
     // most of the time publish_uuid will be query.query_uuid
     // however in some cases we wish to publish the results under a different uuid
     // e.g. an updater wants to publish its results as if from the original (get) query
     asynchroneous_success : function (data, query, publish_uuid, domid) {
-       // xxx should have a nicer declaration of that enum in sync with the python code somehow
-       if (data.code == 1) {
-           alert("Your session has expired, please log in again");
-           window.location="/logout/";
-           return;
-       } else if (data.code != 0) {
-           messages.error("Error received from manifold backend at " + MANIFOLD_URL + " [" + data.output + "]");
-           // publish error code and text message on a separate channel for whoever is interested
-           jQuery.publish("/results/" + publish_uuid + "/failed", [data.code, data.output] );
-           return;
-       }
-       // once everything is checked we can use the 'value' part of the manifoldresult
-       var value=data.value;
-       if (value) {
+        // xxx should have a nicer declaration of that enum in sync with the python code somehow
+        if (data.code == 2) { // ERROR
+            alert("Your session has expired, please log in again");
+            window.location="/logout/";
+            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] );
+        }
+        // once everything is checked we can use the 'value' part of the manifoldresult
+        var value=data.value;
+        if (value) {
             if (!!domid) {
-               /* Directly inform the requestor */
-               if (manifold.asynchroneous_debug) messages.debug("directing results to " + domid);
-               jQuery('#' + domid).trigger('results', [value]);
+                /* Directly inform the requestor */
+                if (manifold.asynchroneous_debug) messages.debug("directing results to " + domid);
+                jQuery('#' + domid).trigger('results', [value]);
             } else {
-               /* Publish an update announce */
-               var channel="/results/" + publish_uuid + "/changed";
-               if (manifold.asynchroneous_debug) messages.debug("publishing results on " + channel);
-               jQuery.publish(channel, [value, query]);
+                /* Publish an update announce */
+                var channel="/results/" + publish_uuid + "/changed";
+                if (manifold.asynchroneous_debug) messages.debug("publishing results on " + channel);
+                jQuery.publish(channel, [value, query]);
             }
 
-       }
+        }
     },
 
 }; // manifold object
index 1826ba8..12da103 100644 (file)
@@ -44,7 +44,7 @@ class ManifoldAPI:
                     # XXX jordan : we need to wrap it into a ResultValue structure
                     # XXX this is not good until we merge both repos
                     if result['code'] != 2:
-                        return ManifoldResult(code=result['code'], value=result['result'])
+                        return ManifoldResult(code=result['code'], value=result['value'])
                     else:
                         return ManifoldResult(code=result['code'], output=result['description'])
                 else: