Added functionality to save the user credentials for the purposes of retrieving a new token in the future.

Mear.sln

@@ -7,7 +7,7 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Mear.Android", "Mear\Mear.A
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Mear.iOS", "Mear\Mear.iOS\Mear.iOS.csproj", "{A76BE057-EE1A-4B2B-997C-4D0953DB1E37}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Mear", "Mear\Mear\Mear.csproj", "{3A4FB936-3738-4D2B-A116-B9CABEEADDE0}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Mear", "Mear\Mear\Mear.csproj", "{3A4FB936-3738-4D2B-A116-B9CABEEADDE0}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -38,7 +38,6 @@ Global
 		{FF6A18DF-D1DF-4D8C-A412-961A3FFF02AE}.Release|iPhoneSimulator.Build.0 = Release|Any CPU
 		{FF6A18DF-D1DF-4D8C-A412-961A3FFF02AE}.Release|iPhoneSimulator.Deploy.0 = Release|Any CPU
 		{A76BE057-EE1A-4B2B-997C-4D0953DB1E37}.Debug|Any CPU.ActiveCfg = Debug|iPhoneSimulator
-		{A76BE057-EE1A-4B2B-997C-4D0953DB1E37}.Debug|Any CPU.Build.0 = Debug|iPhoneSimulator
 		{A76BE057-EE1A-4B2B-997C-4D0953DB1E37}.Debug|Any CPU.Deploy.0 = Debug|iPhoneSimulator
 		{A76BE057-EE1A-4B2B-997C-4D0953DB1E37}.Debug|iPhone.ActiveCfg = Debug|iPhone
 		{A76BE057-EE1A-4B2B-997C-4D0953DB1E37}.Debug|iPhone.Build.0 = Debug|iPhone

Mear/Mear/Managers/LoginManager.cs

@@ -7,6 +7,7 @@ using RestSharp;
 
 using Mear.Constants.API;
 using Mear.Models.Authentication;
+using Mear.Repositories.Database;
 
 namespace Mear.Managers
 {
@@ -30,7 +31,23 @@ namespace Mear.Managers
 
 
 		#region Methods
-		public LoginResult Login()
+        public bool Authenticate()
+        {
+            var loginRes = Login();
+
+            if (loginRes.Expiration > 0 && loginRes != null)
+            {
+                DBUserRepository.DeleteUser();
+
+                SaveToDatabase(loginRes);
+
+                return true;
+            }
+
+            return false;
+        }
+
+		private LoginResult Login()
 		{
 			try
 			{
@@ -55,6 +72,19 @@ namespace Mear.Managers
 
 			return null;
 		}
+
+        private async void SaveToDatabase(LoginResult loginRes)
+        {
+            DBTokenRepository tokRepo = new DBTokenRepository();
+            tokRepo.SaveToken(new Token
+            {
+                AccessToken = loginRes.Token,
+                UserId = loginRes.UserId
+            });
+
+            DBUserRepository.SaveUser(_user);
+            var usr = DBUserRepository.RetrieveUser();
+        }
 		#endregion
 	}
 }

Mear/Mear/Models/Authentication/User.cs

@@ -1,33 +1,46 @@
 using System;
 using System.Collections.Generic;
+using System.Runtime.Serialization;
 using System.Text;
 
 using Newtonsoft.Json;
+using SQLite;
 
 namespace Mear.Models.Authentication
 {
+    [DataContract]
+    [Table("User")]
 	public class User
 	{
+        [PrimaryKey, Column("Id"), AutoIncrement]
 		[JsonProperty("id")]
 		public int Id { get; set; }
 		[JsonProperty("username")]
 		public string Username { get; set; }
+        [Ignore]
 		[JsonProperty("nickname")]
 		public string Nickname { get; set; }
 		[JsonProperty("password")]
 		public string Password { get; set; }
+        [Ignore]
 		[JsonProperty("email")]
 		public string Email { get; set; }
+        [Ignore]
 		[JsonProperty("phone_number")]
 		public string PhoneNumber { get; set; }
+        [Ignore]
 		[JsonProperty("first_name")]
 		public string Firstname { get; set; }
+        [Ignore]
 		[JsonProperty("last_name")]
 		public string Lastname { get; set; }
+        [Ignore]
 		[JsonProperty("email_verified")]
 		public bool EmailVerified { get; set; }
+        [Ignore]
 		[JsonProperty("date_created")]
 		public DateTime DateCreated { get; set; }
+        [Ignore]
 		[JsonProperty("last_login")]
 		public DateTime? LastLogin { get; set; }
 	}

Mear/Mear/Repositories/Database/DBMusicControlsRepository.cs

@@ -8,7 +8,6 @@ using Mear.Utilities;
 
 namespace Mear.Repositories.Database
 {
-    // TODO: Implement the database functionality #35
     public class DBMusicControlsRepository : DBRepository
     {
         #region Fields

Mear/Mear/Repositories/Database/DBRepository.cs

@@ -11,8 +11,10 @@ namespace Mear.Repositories.Database
 {
 	public class DBRepository
 	{
-		#region Fields
+        #region Fields
+        protected static SQLiteConnection _DbConn = null;
 		protected SQLiteConnection _Db;
+        protected static string _table;
 		protected string _dbPath;
         protected string _tableName;
 		#endregion
@@ -31,6 +33,24 @@ namespace Mear.Repositories.Database
 
 
 		#region Methods
+        protected static bool TableExists()
+        {
+            try
+            {
+                var result = _DbConn.GetTableInfo(_table).Count;
+
+                if (result > 0)
+                {
+                    return true;
+                }
+            }
+            catch (Exception ex)
+            {
+                var msg = ex.Message;
+            }
+
+            return false;
+        }
 		protected bool DoesTableExist(string tablename)
 		{
 			var result = 0;
@@ -51,6 +71,10 @@ namespace Mear.Repositories.Database
 			return false;
 		}
 
+        protected static void CloseDbConnection()
+        {
+            _DbConn.Close();
+        }
 		protected void CloseDb()
 		{
 			_Db.Close();
@@ -63,6 +87,18 @@ namespace Mear.Repositories.Database
 
 			_Db = new SQLiteConnection(_dbPath);
 		}
+        protected static void InitializeDatabase(string tablename)
+        {
+            if (_DbConn != null)
+            {
+                return;
+            }
+
+            _table = tablename;
+            var appName = Info.AppName;
+            _DbConn = new SQLiteConnection(Path.Combine(Environment.GetFolderPath(
+                Environment.SpecialFolder.Personal), appName));
+        }
 		#endregion
 	}
 }

Mear/Mear/Repositories/Database/DBUserRepository.cs

@@ -0,0 +1,83 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+using Mear.Models;
+using Mear.Models.Authentication;
+
+namespace Mear.Repositories.Database
+{
+    public class DBUserRepository : DBRepository
+    {
+        #region Fields
+        #endregion
+
+
+        #region Properties
+        #endregion
+
+
+        #region Constructors
+        #endregion
+
+
+        #region Methods
+        public static User RetrieveUser()
+        {
+            InitializeDatabase("User");
+            try
+            {
+                if (TableExists())
+                {
+                    var user = _DbConn.Table<User>().First();
+
+                    if (user != null)
+                    {
+                        return user;
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                var msg = ex.Message;
+            }
+
+            return null;
+        }
+
+        public static void DeleteUser()
+        {
+            InitializeDatabase("User");
+            try
+            {
+                if (TableExists())
+                {
+                    _DbConn.Table<User>().Delete(u => !string.IsNullOrEmpty(u.Username));
+                }
+            }
+            catch (Exception ex)
+            {
+                var msg = ex.Message;
+            }
+        }
+        public static void SaveUser(User user)
+        {
+            InitializeDatabase("User");
+            try
+            {
+                if (!TableExists())
+                {
+                    _DbConn.CreateTable<User>();
+                }
+
+                _DbConn.Insert(user);
+            }
+            catch (Exception ex)
+            {
+                var msg = ex.Message;
+            }
+        }
+        #endregion
+    }
+}

Mear/Mear/Views/LoginPage.xaml.cs

@@ -64,16 +64,9 @@ namespace Mear.Views
 			if (user != null)
 			{
 				var loginMgr = new LoginManager(user);
-				var loginRes = loginMgr.Login();
 
-				if (loginRes.Expiration > 0 && loginRes != null)
+				if (loginMgr.Authenticate())
 				{
-					DBTokenRepository tokRepo = new DBTokenRepository();
-					tokRepo.SaveToken(new Token
-					{
-						AccessToken = loginRes.Token,
-						UserId = loginRes.UserId
-					});
 					App.Current.MainPage = new MusicLibrary();
 				}
 				else

Mear/Mear/Views/MearPlayerView.xaml.cs

@@ -61,8 +61,6 @@ namespace Mear.Views
 
 			BackgroundSongElasping();
             BackgroundSongAttributes();
-			//BackgroundSongCoverUpdate();
-            //BackgroundControlInit();
 
             InitializeOptions();
         }
@@ -132,7 +130,7 @@ namespace Mear.Views
                             }
 						});
 
-						await Task.Delay(250);
+						await Task.Delay(100);
 					}
 				}).Start();
 			}