Begin working on playlists

database.js

@@ -125,6 +125,18 @@ function init() {
     if(!results) {
         Logger.errlog.log("! Failed to create password reset table");
     }
+
+    // Create user playlist table
+    query = ["CREATE TABLE IF NOT EXISTS `user_playlists` (",
+                "`user` VARCHAR(20) NOT NULL,",
+                "`name` VARCHAR(255) NOT NULL,",
+                "`contents` MEDIUMTEXT NOT NULL,",
+                "PRIMARY KEY (`name`))",
+             "ENGINE = MyISAM;"].join("");
+    results = db.querySync(query);
+    if(!results) {
+        Logger.errlog.log("! Failed to create playlist table");
+    }
 }
 
 /* REGION Global Bans */
@@ -733,6 +745,88 @@ function resetPassword(name) {
     return pw;
 }
 
+/* REGION User Playlists */
+function getUserPlaylists(user) {
+    var db = getConnection();
+    if(!db) {
+        [];
+    }
+
+    var query = createQuery(
+        "SELECT name FROM user_playlists WHERE user=?",
+        [user]
+    );
+
+    var results = db.querySync(query);
+    if(!results) {
+        Logger.errlog.log("! Failed to query user playlists");
+        return [];
+    }
+
+    return results.fetchAllSync();
+}
+
+function loadUserPlaylist(user, name) {
+    var db = getConnection();
+    if(!db) {
+        [];
+    }
+
+    var query = createQuery(
+        "SELECT contents FROM user_playlists WHERE user=? AND name=?",
+        [user, name]
+    );
+
+    var results = db.querySync(query);
+    if(!results) {
+        Logger.errlog.log("! Failed to query playlists");
+        return [];
+    }
+
+    var row = results.fetchAllSync()[0];
+    var pl;
+    try {
+        pl = JSON.parse(row.contents);
+    }
+    catch(e) {
+        Logger.errlog.log("! Failed to load playlist "+user+"."+name);
+        return [];
+    }
+
+    return pl;
+}
+
+function saveUserPlaylist(pl, user, name) {
+    var db = getConnection();
+    if(!db) {
+        return false;
+    }
+
+    // Strip out unnecessary data
+    var pl2 = [];
+    for(var i = 0; i < pl.length; i++) {
+        var e = {
+            id: pl[i].id,
+            type: pl[i].type
+        };
+        pl2.push(e);
+    }
+    var plstr = JSON.stringify(pl2);
+
+    var query = createQuery(
+        "INSERT INTO user_playlists VALUES (?, ?, ?)",
+        [user, name, plstr]
+    );
+
+    var results = db.querySync(query);
+    if(!results) {
+        Logger.errlog.log("! Failed to insert into playlists");
+        return false;
+    }
+
+    return true;
+}
+
 exports.setup = setup;
 exports.getConnection = getConnection;
 exports.createQuery = createQuery;
@@ -758,3 +852,6 @@ exports.setUserEmail = setUserEmail;
 exports.generatePasswordReset = generatePasswordReset;
 exports.recoverPassword = recoverPassword;
 exports.resetPassword = resetPassword;
+exports.getUserPlaylists = getUserPlaylists;
+exports.loadUserPlaylist = loadUserPlaylist;
+exports.saveUserPlaylist = saveUserPlaylist;

user.js

@@ -414,6 +414,50 @@ User.prototype.initCallbacks = function() {
             }
         }
     }.bind(this));
+
+    this.socket.on("listPlaylists", function(data) {
+        if(this.name == "" || this.rank < 1) {
+            socket.emit("listPlaylists", {
+                pllist: [],
+                error: "You must be logged in to manage playlists"
+            });
+            return;
+        }
+
+        var list = Database.getUserPlaylists(this.name);
+        socket.emit("listPlaylists", {
+            pllist: list,
+        });
+    }.bind(this));
+
+    this.socket.on("savePlaylist", function(data) {
+        if(this.rank < 1) {
+            socket.emit("savePlaylist", {
+                success: false,
+                error: "You must be logged in to manage playlists"
+            });
+            return;
+        }
+
+        if(this.channel == null) {
+            socket.emit("savePlaylist", {
+                success: false,
+                error: "Not in a channel"
+            });
+            return;
+        }
+
+        if(typeof data.name != "string") {
+            return;
+        }
+
+        var pl = this.channel.queue;
+        var result = Database.saveUserPlaylist(pl, this.name, data.name);
+        this.socket.emit("savePlaylist", {
+            success: result,
+            error: result ? false : "Unknown"
+        });
+    }.bind(this));
 }
 
 // Handle administration

www/assets/js/callbacks.js

@@ -573,7 +573,8 @@ Callbacks = {
     },
 
     queueFail: function() {
-        alert("Queue failed.  Double check your link to make sure the video exists.");
+        makeAlert("Error", "Queue failed.  Check your link to make sure it is valid.", "alert-error")
+            .insertAfter($("#playlist_controls"));
     },
 
     setTemp: function(data) {
@@ -738,7 +739,17 @@ Callbacks = {
     closePoll: function() {
         // Not recursive
         closePoll();
+    },
+
+    savePlaylist: function(data) {
+        if(data.success) {
+            makeAlert("Success", "Playlist saved.", "alert-success");
         }
+        else {
+            alert("DBG error " + data.error);
+            makeAlert("Error", data.error, "alert-error");
+        }
+    },
 }
 
 $.getScript(IO_URL+"/socket.io/socket.io.js", function() {

www/assets/js/functions.js

@@ -1316,3 +1316,23 @@ function hasPermission(key) {
     }
     return RANK >= v;
 }
+
+function makeAlert(title, text, klass) {
+    if(!klass) {
+        klass = "alert-info";
+    }
+
+    var al = $("<div/>").addClass("alert")
+        .addClass(klass)
+        .text(text);
+    $("<br/>").prependTo(al);
+    $("<strong/>").text(title).prependTo(al);
+    $("<button/>").addClass("close pull-right").html("&times;")
+        .click(function() {
+            al.hide("blind", function() {
+                al.remove();
+            });
+        })
+        .prependTo(al);
+    return al;
+}