Merge refactoring into 3.0

lib/channel/library.js

@@ -0,0 +1,109 @@
+var ChannelModule = require("./module");
+var Flags = require("../flags");
+var util = require("../utilities");
+var InfoGetter = require("../get-info");
+var db = require("../database");
+var Media = require("../media");
+
+const TYPE_UNCACHE = {
+    id: "string"
+};
+
+const TYPE_SEARCH_MEDIA = {
+    source: "string,optional",
+    query: "string"
+};
+
+function LibraryModule(channel) {
+    ChannelModule.apply(this, arguments);
+}
+
+LibraryModule.prototype = Object.create(ChannelModule.prototype);
+
+LibraryModule.prototype.onUserPostJoin = function (user) {
+    user.socket.typecheckedOn("uncache", TYPE_UNCACHE, this.handleUncache.bind(this, user));
+    user.socket.typecheckedOn("searchMedia", TYPE_SEARCH_MEDIA, this.handleSearchMedia.bind(this, user));
+};
+
+LibraryModule.prototype.cacheMedia = function (media) {
+    if (this.channel.is(Flags.C_REGISTERED) && !util.isLive(media.type)) {
+        db.channels.addToLibrary(this.channel.name, media);
+    }
+};
+
+LibraryModule.prototype.getItem = function (id, cb) {
+    db.channels.getLibraryItem(this.channel.name, id, function (err, row) {
+        if (err) {
+            cb(err, null);
+        } else {
+            cb(null, new Media(row.id, row.title, row.seconds, row.type, {}));
+        }
+    });
+};
+
+LibraryModule.prototype.handleUncache = function (user, data) {
+    if (!this.channel.is(Flags.C_REGISTERED)) {
+        return;
+    }
+
+    if (!this.channel.modules.permissions.canUncache(user)) {
+        return;
+    }
+
+    var chan = this.channel;
+    chan.activeLock.lock();
+    db.channels.deleteFromLibrary(chan.name, data.id, function (err, res) {
+        if (chan.dead || err) {
+            return;
+        }
+
+        chan.logger.log("[library] " + user.getName() + " deleted " + data.id +
+                        "from the library");
+        chan.activeLock.release();
+    });
+};
+
+LibraryModule.prototype.handleSearchMedia = function (user, data) {
+    var query = data.query.substring(0, 100);
+    var searchYT = function () {
+        InfoGetter.Getters.ytSearch(query.split(" "), function (e, vids) {
+            if (!e) {
+                user.socket.emit("searchResults", {
+                    source: "yt",
+                    results: vids
+                });
+            }
+        });
+    };
+
+    if (data.source === "yt" || !this.channel.is(Flags.C_REGISTERED)) {
+        searchYT();
+    } else {
+        db.channels.searchLibrary(this.channel.name, query, function (err, res) {
+            if (err) {
+                res = [];
+            }
+
+            if (res.length === 0) {
+                return searchYT();
+            }
+
+            res.sort(function (a, b) {
+                var x = a.title.toLowerCase();
+                var y = b.title.toLowerCase();
+                return (x === y) ? 0 : (x < y ? -1 : 1);
+            });
+
+            res.forEach(function (r) {
+                r.duration = util.formatTime(r.seconds);
+            });
+
+            user.socket.emit("searchResults", {
+                source: "library",
+                results: res
+            });
+        });
+    }
+};
+
+module.exports = LibraryModule;