Add filter to knowledge system

Author: silentrob

app.js

@@ -63,6 +63,7 @@ conn.once('open', function() {
     app.get('/plugins', pluginsRoute.getJSON);
 
     app.get('/knowledge', knowledgeRoute.index);
+    app.get('/knowledge/graph', knowledgeRoute.graph);
     app.get('/knowledge/user', knowledgeRoute.user);
     app.get('/knowledge/bot', knowledgeRoute.bot);
     app.get('/knowledge/world', knowledgeRoute.world);

controllers/knowledge.js

@@ -9,6 +9,51 @@ module.exports = function(models, bot) {
       });
     },
 
+    graph: function(req, res) {
+      bot.factSystem.db.get({limit: 2000, offset: 0}, function(err, items){
+        var data1 = items.map(function(el, index){
+          return el.subject;
+        });
+        
+        var data2 = items.map(function(el, index){
+          return el.object;
+        });
+
+        var data = _.unique(data1.concat(data2));
+
+        // Gen IDs
+        var data3 = [];
+        data3 = data.map(function(item, index){
+          return {id:'xx_'+index, name:item};
+        });
+
+        // nodes
+        var nodes = data3.map(function(item, index){
+          return {data: item};
+        });
+
+        // Edges
+        var edges = items.map(function(item, index){
+          var sourceID, targetID;
+          for(var i = 0; i < data3.length; i++) {
+            if (data3[i].name === item.subject) {
+              sourceID = data3[i].id;
+            }
+          }
+          
+          for(var i = 0; i < data3.length; i++) {
+            if (data3[i].name === item.object) {
+              targetID = data3[i].id;
+            }
+          }
+
+          return { data: { source: sourceID, target: targetID } };
+        });
+
+        res.render('knowledge/graph', {nodes: nodes, edges: edges});
+      });
+    },
+
     filter: function(req, res) {
       params = {};
       for (var x in req.query) {
@@ -18,7 +63,7 @@ module.exports = function(models, bot) {
       }
 
       bot.factSystem.db.get(params, function(err, items) {
-        res.render('knowledge/world', {concepts:items});
+        res.render('knowledge/world', {concepts:items, params:params});
       });
     },
 
@@ -93,7 +138,7 @@ module.exports = function(models, bot) {
 
     world: function(req, res) {
       bot.factSystem.db.get({limit: 100, offset: 0}, function(err, items) {
-        res.render('knowledge/world', {concepts:items});
+        res.render('knowledge/world', {concepts:items, params: {}});
       });
     },
 

package.json

@@ -23,6 +23,7 @@
     "cookie-parser": "^1.3.3",
     "cookie-session": "^1.1.0",
     "csurf": "^1.6.6",
+    "cytoscape": "^2.4.1",
     "express": "^4.11.2",
     "jade": "^1.9.1",
     "method-override": "^2.3.1",

plugins/bot.js

@@ -15,11 +15,11 @@ exports.getFavorite = function(thing, cb) {
   botfacts.get({subject:'favorite', predicate: cleanThing}, function(err, list) {
     if (!_.isEmpty(list)) {
       var favThing = Utils.pickItem(list);
-      var favThing = favThing.object.replace(/_/g, " ");
+      favThing = favThing.object.replace(/_/g, " ");
       cb(null, "My favorite " + thing + " is " + favThing + ".");
     } else {
       // Quibble can handle this.
       cb(null, "");
     }
   });
-}
+};

public/css/app.css

@@ -1,3 +1,8 @@
+svg { 
+  width: 100%; 
+  height: 100%;
+}
+
 .bg-warning, .bg-success {
   padding:15px;
 }