1 files changed, 272 insertions, 0 deletions

diff --git a/models/videos.js b/models/videos.js
new file mode 100644
index 000000000..626c55819
--- /dev/null
+++ b/models/videos.js
@@ -0,0 +1,272 @@
+;(function () {
+  'use strict'
+
+  var async = require('async')
+  var config = require('config')
+  var dz = require('dezalgo')
+  var fs = require('fs')
+  var webtorrent = require('../lib/webTorrentNode')
+
+  var logger = require('../helpers/logger')
+  var pods = require('./pods')
+  var VideosDB = require('../initializers/database').VideosDB
+
+  var videos = {}
+
+  var http = config.get('webserver.https') === true ? 'https' : 'http'
+  var host = config.get('webserver.host')
+  var port = config.get('webserver.port')
+
+  // ----------- Private functions -----------
+  function seedVideo (path, callback) {
+    logger.info('Seeding %s...', path)
+
+    webtorrent.seed(path, function (torrent) {
+      logger.info('%s seeded (%s).', path, torrent.magnetURI)
+
+      return callback(null, torrent)
+    })
+  }
+
+  // ----------- Public attributes ----------
+  videos.uploadDir = __dirname + '/../' + config.get('storage.uploads')
+
+  // ----------- Public functions -----------
+  videos.list = function (callback) {
+    VideosDB.find(function (err, videos_list) {
+      if (err) {
+        logger.error('Cannot get list of the videos.', { error: err })
+        return callback(err)
+      }
+
+      return callback(null, videos_list)
+    })
+  }
+
+  videos.listOwned = function (callback) {
+    // If namePath is not null this is *our* video
+    VideosDB.find({ namePath: { $ne: null } }, function (err, videos_list) {
+      if (err) {
+        logger.error('Cannot get list of the videos.', { error: err })
+        return callback(err)
+      }
+
+      return callback(null, videos_list)
+    })
+  }
+
+  videos.add = function (data, callback) {
+    var video_file = data.video
+    var video_data = data.data
+
+    logger.info('Adding %s video.', video_file.path)
+    seedVideo(video_file.path, function (err, torrent) {
+      if (err) {
+        logger.error('Cannot seed this video.', { error: err })
+        return callback(err)
+      }
+
+      var params = {
+        name: video_data.name,
+        namePath: video_file.filename,
+        description: video_data.description,
+        magnetUri: torrent.magnetURI,
+        podUrl: http + '://' + host + ':' + port
+      }
+
+      VideosDB.create(params, function (err, video) {
+        if (err) {
+          logger.error('Cannot insert this video.', { error: err })
+          return callback(err)
+        }
+
+        // Now we'll add the video's meta data to our friends
+        params.namePath = null
+
+        pods.addVideoToFriends(params)
+        callback(null)
+      })
+    })
+  }
+
+  videos.remove = function (id, callback) {
+    // Maybe the torrent is not seeded, but we catch the error to don't stop the removing process
+    function removeTorrent (magnetUri, callback) {
+      try {
+        webtorrent.remove(magnetUri, callback)
+      } catch (err) {
+        logger.warn('Cannot remove the torrent from WebTorrent', { err: err })
+        return callback(null)
+      }
+    }
+
+    VideosDB.findById(id, function (err, video) {
+      if (err || !video) {
+        if (!err) err = new Error('Cannot find this video.')
+        logger.error('Cannot find this video.', { error: err })
+        return callback(err)
+      }
+
+      if (video.namePath === null) {
+        var error_string = 'Cannot remove the video of another pod.'
+        logger.error(error_string)
+        return callback(new Error(error_string))
+      }
+
+      logger.info('Removing %s video', video.name)
+
+      removeTorrent(video.magnetUri, function () {
+        VideosDB.findByIdAndRemove(id, function (err) {
+          if (err) {
+            logger.error('Cannot remove the torrent.', { error: err })
+            return callback(err)
+          }
+
+          fs.unlink(videos.uploadDir + video.namePath, function (err) {
+            if (err) {
+              logger.error('Cannot remove this video file.', { error: err })
+              return callback(err)
+            }
+
+            var params = {
+              name: video.name,
+              magnetUri: video.magnetUri
+            }
+
+            pods.removeVideoToFriends(params)
+            callback(null)
+          })
+        })
+      })
+    })
+  }
+
+  // Use the magnet Uri because the _id field is not the same on different servers
+  videos.removeRemotes = function (fromUrl, magnetUris, callback) {
+    if (callback === undefined) callback = function () {}
+
+    VideosDB.find({ magnetUri: { $in: magnetUris } }, function (err, videos) {
+      if (err || !videos) {
+        logger.error('Cannot find the torrent URI of these remote videos.')
+        return callback(err)
+      }
+
+      var to_remove = []
+      async.each(videos, function (video, callback_async) {
+        callback_async = dz(callback_async)
+
+        if (video.podUrl !== fromUrl) {
+          logger.error('The pod %s has not the rights on the video of %s.', fromUrl, video.podUrl)
+        } else {
+          to_remove.push(video._id)
+        }
+
+        callback_async()
+      }, function () {
+        VideosDB.remove({ _id: { $in: to_remove } }, function (err) {
+          if (err) {
+            logger.error('Cannot remove the remote videos.')
+            return callback(err)
+          }
+
+          logger.info('Removed remote videos from %s.', fromUrl)
+          callback(null)
+        })
+      })
+    })
+  }
+
+  videos.removeAllRemotes = function (callback) {
+    VideosDB.remove({ namePath: null }, function (err) {
+      if (err) return callback(err)
+
+      callback(null)
+    })
+  }
+
+  videos.removeAllRemotesOf = function (fromUrl, callback) {
+    VideosDB.remove({ podUrl: fromUrl }, function (err) {
+      if (err) return callback(err)
+
+      callback(null)
+    })
+  }
+
+  // { name, magnetUri, podUrl }
+  // TODO: avoid doublons
+  videos.addRemotes = function (videos, callback) {
+    if (callback === undefined) callback = function () {}
+
+    var to_add = []
+
+    async.each(videos, function (video, callback_each) {
+      callback_each = dz(callback_each)
+      logger.debug('Add remote video from pod: %s', video.podUrl)
+
+      var params = {
+        name: video.name,
+        namePath: null,
+        description: video.description,
+        magnetUri: video.magnetUri,
+        podUrl: video.podUrl
+      }
+
+      to_add.push(params)
+
+      callback_each()
+    }, function () {
+      VideosDB.create(to_add, function (err, videos) {
+        if (err) {
+          logger.error('Cannot insert this remote video.', { error: err })
+          return callback(err)
+        }
+
+        return callback(null, videos)
+      })
+    })
+  }
+
+  videos.get = function (id, callback) {
+    VideosDB.findById(id, function (err, video) {
+      if (err) {
+        logger.error('Cannot get this video.', { error: err })
+        return callback(err)
+      }
+
+      return callback(null, video)
+    })
+  }
+
+  videos.search = function (name, callback) {
+    VideosDB.find({ name: new RegExp(name) }, function (err, videos) {
+      if (err) {
+        logger.error('Cannot search the videos.', { error: err })
+        return callback(err)
+      }
+
+      return callback(null, videos)
+    })
+  }
+
+  videos.seedAll = function (callback) {
+    VideosDB.find({ namePath: { $ne: null } }, function (err, videos_list) {
+      if (err) {
+        logger.error('Cannot get list of the videos to seed.', { error: err })
+        return callback(err)
+      }
+
+      async.each(videos_list, function (video, each_callback) {
+        seedVideo(videos.uploadDir + video.namePath, function (err) {
+          if (err) {
+            logger.error('Cannot seed this video.', { error: err })
+            return callback(err)
+          }
+
+          each_callback(null)
+        })
+      }, callback)
+    })
+  }
+
+  module.exports = videos
+})()