udFallback option for quote retrieval [#477]

modules/link/link.js

@@ -40,6 +40,23 @@ var link = function(dbot) {
                     page.abort();
                 }
             });
+        },
+
+        'udLookup': function(query, callback) {
+            var reqUrl = 'http://api.urbandictionary.com/v0/define?term=' + 
+                    encodeURI(query); 
+
+            request(reqUrl, function(error, response, body) {
+                try {
+                    var result = JSON.parse(body);
+                    if(_.has(result, 'result_type') && result.result_type != 'no_results') {
+                        callback(result.list[0].word, result.list[0].definition.split('\n')[0]);
+                    } else {
+                        callback(false);
+                    }
+                } catch(err) { callback(false); }
+            });
+
         }
     };
                 
@@ -92,17 +109,13 @@ var link = function(dbot) {
         
         '~ud': function(event) {
             var query = event.input[1];
-            var reqUrl = 'http://api.urbandictionary.com/v0/define?term=' + encodeURI(query); 
 
-            request(reqUrl, function(error, response, body) {
+            this.api.udLookup(query, function(word, definition) {
-                try {
+                if(word) {
-                    var result = JSON.parse(body);
+                    event.reply(word + ': ' + definition);
-                    if(_.has(result, 'result_type') && result.result_type != 'no_results') {
-                        event.reply(result.list[0].word + ': ' + result.list[0].definition.split('\n')[0]);
                 } else {
                     event.reply(event.user + ': No definition found.');
                 }
-                } catch(err) { }
             });
         }
     };

modules/quotes/commands.js

@@ -48,9 +48,19 @@ var commands = function(dbot) {
             var quote = this.api.getQuote(event, event.input[1]);
             if(quote) {
                 event.reply(key + ': ' + quote);
+            } else {
+                if(this.config.udFallback === true && _.has(dbot.modules, 'link')) {
+                    dbot.api.link.udLookup(key, function(word, definition) {
+                        if(word) {
+                            event.reply(key + '[UD]: ' + definition);
                         } else {
                             event.reply(dbot.t('category_not_found', {'category': key}));
                         }
+                    });
+                } else {
+                    event.reply(dbot.t('category_not_found', {'category': key}));
+                }
+            }
         },
 
         // Shows a list of the biggest categories

modules/quotes/config.json

@@ -1,8 +1,9 @@
 {
     "dbKeys": [ "quoteArrs" ],
-    "dependencies": [ "command", "users" ],
+    "dependencies": [ "command", "users", "event" ],
     "rmLimit": 10,
     "ignorable": true,
     "quotesOnJoin": false,
+    "udFallback": false,
     "help": "http://github.com/reality/depressionbot/blob/master/modules/quotes/README.md"
 }