Add a handler to get picture lists in the channel.

The handler returns a picture id list sorted by
descending order of the uploaded date as JSON format.

server/handlers.js

@@ -2,7 +2,8 @@ var settings = require('../settings'),
     path = require('path'),
     fs = require('fs'),
     gm = require('gm'),
-    mongoose = require('mongoose');
+    mongoose = require('mongoose'),
+    _ = require('underscore')._;
 
 // mongoose models
 var ChannelModel = mongoose.model('Channel'),
@@ -141,6 +142,24 @@ function Handlers(web) {
                     });
                 });
             });
+        },
+        pictures: function(req, res) {
+            var name = req.params.name;
+            ChannelModel.findOne({name: name}, function(err, channel) {
+                if(err) {
+                    res.send('Error in finding channel...:'+err);
+                    return;
+                }
+
+                var sorted_pictures = _.sortBy(channel.pictures, function(picture) { return -1 * picture.uploaded; }),
+                    pid_list = [];
+
+                _.each(sorted_pictures, function(picture) {
+                    pid_list.push(picture._id);
+                });
+
+                res.json(pid_list);
+            });
         }
     };
 

server/models.js

@@ -9,7 +9,7 @@ module.exports = function() {
         channel: String,
         width: Number,
         height: Number,
-        uploaded: Date
+        uploaded: {type: Date, default: Date.now }
     });
 
     var Channels = new Schema({

server/web.js

@@ -44,6 +44,9 @@ function Web() {
             '/:name': {
                 '/upload': {
                     post: route_handlers.channel.upload
+                },
+                '/pictures': {
+                    get: route_handlers.channel.pictures
                 }
             }
         },