feat: file metadata

Reviewed-on: #8

CarManager3Setup/CarManager3Setup.vdproj

@@ -21,6 +21,12 @@
         }
         "Entry"
         {
+        "MsmKey" = "8:_058C8316BA034FF38880D3C8838A3F74"
+        "OwnerKey" = "8:_UNDEFINED"
+        "MsmSig" = "8:_UNDEFINED"
+        }
+        "Entry"
+        {
         "MsmKey" = "8:_39292C9AEE694F0B982DDECDC0233E12"
         "OwnerKey" = "8:_UNDEFINED"
         "MsmSig" = "8:_UNDEFINED"
@@ -160,6 +166,26 @@
             "IsDependency" = "11:FALSE"
             "IsolateTo" = "8:"
             }
+            "{1FB2D0AE-D3B9-43D4-B9DD-F88EC61E35DE}:_058C8316BA034FF38880D3C8838A3F74"
+            {
+            "SourcePath" = "8:E:\\Development\\Scripts\\CM3Merge\\merged-cars.json"
+            "TargetName" = "8:car_data.json"
+            "Tag" = "8:"
+            "Folder" = "8:_91D306E0AE6B4CA09DB4A07129FBDD93"
+            "Condition" = "8:"
+            "Transitive" = "11:TRUE"
+            "Vital" = "11:TRUE"
+            "ReadOnly" = "11:FALSE"
+            "Hidden" = "11:FALSE"
+            "System" = "11:FALSE"
+            "Permanent" = "11:FALSE"
+            "SharedLegacy" = "11:FALSE"
+            "PackageAs" = "3:1"
+            "Register" = "3:1"
+            "Exclude" = "11:FALSE"
+            "IsDependency" = "11:FALSE"
+            "IsolateTo" = "8:"
+            }
             "{1FB2D0AE-D3B9-43D4-B9DD-F88EC61E35DE}:_39292C9AEE694F0B982DDECDC0233E12"
             {
             "SourcePath" = "8:D:\\Assets\\Car Manager\\Icon\\CarMgm_Icon.ico"
@@ -332,15 +358,15 @@
         {
         "Name" = "8:Microsoft Visual Studio"
         "ProductName" = "8:Car Manager 3"
-        "ProductCode" = "8:{3979D343-890D-4FBC-B3FE-E88437307108}"
+        "ProductCode" = "8:{C464F09B-4ED2-46D4-A17B-49BD0F6E6566}"
-        "PackageCode" = "8:{8B59CA5B-CD06-41DC-95A6-3323553D4997}"
+        "PackageCode" = "8:{D55B03D7-E738-48F7-B6BD-87113014326E}"
         "UpgradeCode" = "8:{6FF57925-465E-4DB9-85DA-CE933191A3DD}"
         "AspNetVersion" = "8:2.0.50727.0"
         "RestartWWWService" = "11:FALSE"
         "RemovePreviousVersions" = "11:TRUE"
         "DetectNewerInstalledVersion" = "11:TRUE"
         "InstallAllUsers" = "11:FALSE"
-        "ProductVersion" = "8:1.4.2"
+        "ProductVersion" = "8:1.4.4"
         "Manufacturer" = "8:Jaro Digital"
         "ARPHELPTELEPHONE" = "8:"
         "ARPHELPLINK" = "8:"
@@ -1058,7 +1084,7 @@
         {
             "{5259A561-127C-4D43-A0A1-72F10C7B3BF8}:_A6F761D38264485ABAB61B553E1CAE3C"
             {
-            "SourcePath" = "8:..\\CarManagerV3\\bin\\Debug\\net8.0-windows\\win-x64\\publish\\CarManagerV3.exe"
+            "SourcePath" = "8:..\\CarManagerV3\\bin\\Release\\net8.0-windows\\win-x64\\publish\\CarManagerV3.exe"
             "TargetName" = "8:"
             "Tag" = "8:"
             "Folder" = "8:_B69138933B80450EA18D704C54E8913F"

CarManagerV3.sln

@@ -19,7 +19,6 @@ Global
 		{93CA258B-A645-41A8-A24F-59036ABC173F}.Release|Any CPU.Build.0 = Release|Any CPU
 		{47ED51EB-1DD0-B8F0-88C8-92C6E3E06030}.Debug|Any CPU.ActiveCfg = Debug
 		{47ED51EB-1DD0-B8F0-88C8-92C6E3E06030}.Release|Any CPU.ActiveCfg = Release
-		{47ED51EB-1DD0-B8F0-88C8-92C6E3E06030}.Release|Any CPU.Build.0 = Release
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

CarManagerV3/App.config

@@ -16,6 +16,12 @@
             <setting name="AllowPrerelease" serializeAs="String">
                 <value>False</value>
             </setting>
+            <setting name="LastFetchedAutoCompletions" serializeAs="String">
+                <value>2026-01-01</value>
+            </setting>
+            <setting name="FetchAutoCompletionsInterval" serializeAs="String">
+                <value>24.00:00:00</value>
+            </setting>
         </CarManagerV3.Properties.Settings>
     </userSettings>
 </configuration>

CarManagerV3/CarManagerV3.csproj

@@ -15,7 +15,7 @@
     <UpdateRequired>false</UpdateRequired>
     <MapFileExtensions>true</MapFileExtensions>
     <ApplicationRevision>0</ApplicationRevision>
-    <ApplicationVersion>1.4.2</ApplicationVersion>
+    <ApplicationVersion>1.4.4</ApplicationVersion>
     <IsWebBootstrapper>false</IsWebBootstrapper>
     <UseApplicationTrust>false</UseApplicationTrust>
     <BootstrapperEnabled>true</BootstrapperEnabled>
@@ -25,7 +25,7 @@
     <ApplicationIcon>CarMgm_Icon.ico</ApplicationIcon>
     <AssemblyTitle>CarManager3</AssemblyTitle>
     <Product>CarManager3</Product>
-    <Version>1.4.2</Version>
+    <Version>1.4.4</Version>
     <Authors>Jaro Digital</Authors>
     <Company>Jaro Digital</Company>
     <Title>Car Manager 3</Title>

CarManagerV3/Classes/Car.cs

@@ -178,22 +178,7 @@ namespace CarManagerV3
             try
             {
                 string[] parts = csv.Split(';');
-                // is part 7 a valid int? if not set it to 0 and log a warning.
+                System.Diagnostics.Debug.WriteLine(csv);
-                if (parts.Length == 7)
-                {
-                    Console.Error.WriteLine($"Warning: CSV string has only 7 fields, expected 8. Setting Order to 0. CSV: {csv}");
-                    if (!StateManager.askForMigration())
-                    {
-                        throw new Exception("User declined migration. Cannot parse CSV string with missing Order field.");
-                    }
-                    Array.Resize(ref parts, 8);
-                    parts[7] = "0";
-                }
-                else if (parts.Length != 8)
-                {
-                    throw new FormatException($"CSV string has {parts.Length} fields, expected 8. CSV: {csv}");
-                }
-
                 Car temp = new Car(parts[0], parts[1], parts[2], int.Parse(parts[3]), parts[4], int.Parse(parts[5]), decimal.Parse(parts[6]), int.Parse(parts[7]));
                 return temp;
             }

CarManagerV3/Classes/CarManufacturer.cs

@@ -0,0 +1,50 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CarManagerV3.Classes
+{
+    internal class CarManufacturer
+    {
+        public string Name { get; set; }
+        public List<string> Models { get; set; } 
+
+        public CarManufacturer(string name)
+        {
+            Name = name;
+            Models = new List<string>();
+        }
+
+        public void AddModel(string model)
+        {
+            Models.Add(model);
+        }
+
+        public override string ToString()
+        {
+            return $"{Name} - Models: {string.Join(", ", Models)}";
+        }
+
+        public List<string> GetModels()
+        {
+            return Models;
+        }
+
+        public void RemoveModel(string model)
+        {
+            Models.Remove(model);
+        }
+
+        public void ClearModels()
+        {
+            Models.Clear();
+        }
+
+        public string GetModelByQuery(string query)
+        {
+            return Models.FirstOrDefault(m => m.Equals(query, StringComparison.OrdinalIgnoreCase));
+        }
+    }
+}

CarManagerV3/Classes/FileMeta.cs

@@ -0,0 +1,74 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using CarManagerV3.Manager;
+
+namespace CarManagerV3.Classes
+{
+    internal class FileMeta
+    {
+        private string version;
+        private DateTime lastModified;
+
+        public string Version { get { return version; } set { version = value; } }
+        public DateTime LastModified { get { return lastModified; } }
+
+        public FileMeta(string version)
+        {
+            this.version = version;
+            this.lastModified = DateTime.Now;
+        }
+
+        public static FileMeta FromCSV(string csv)
+        {
+            string[] parts = csv.Split(';');
+            if (parts.Length < 3)
+            {
+                throw new FormatException("CSV format is incorrect. Expected format: product;version;lastModified");
+            }
+            return new FileMeta(parts[1]) { lastModified = DateTime.Parse(parts[2]) };
+        }
+
+        public static FileMeta Generate()
+        {
+            string version = Updater.GetCurrentVersion();
+            return new FileMeta(version);
+        }
+
+        public static bool IsFileMeta(string csv)
+        {
+            return csv.StartsWith("CarManager3;");
+        }
+
+        public static bool IsOlderVersion(FileMeta meta)
+        {
+            string version = Updater.GetCurrentVersion();
+            return Updater.IsNewerVersion(version, meta.Version);
+        }
+
+        public static bool NeedsUpdate(FileMeta meta)
+        {
+            string version = Updater.GetCurrentVersion();
+            return Updater.IsNewerVersion(version, meta.Version) && FileUpdate.GetRequiredUpdates(meta.Version).Count > 0;
+        }
+
+        public void Modify()
+        {
+            lastModified = DateTime.Now;
+        }
+
+        public string ToCSV()
+        {
+            return $"CarManager3;{version};{lastModified}";
+        }
+
+        public override string ToString()
+        {
+            return $"File Version: {version}, Last Modified: {lastModified}";
+        }
+
+
+    }
+}

CarManagerV3/Classes/FileUpdate.cs

@@ -0,0 +1,102 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using CarManagerV3.Manager;
+
+namespace CarManagerV3.Classes
+{
+    internal class FileUpdate
+    {
+        public string version;
+        public bool needUpdate;
+        public Func<string, string> updateAction;
+
+        public static List<FileUpdate> GetUpdates()
+        {
+            return new List<FileUpdate>
+            {
+                new FileUpdate {
+                    version = "1.4.3.0",
+                    needUpdate = true,
+                    updateAction = (fileContent) =>
+                    {
+                        // Implement the logic to update the file content for version
+                        List<string> parts = fileContent.Split(";").ToList();
+                        parts[4] = "Black";
+                        return string.Join(";", parts);
+                    }
+                },
+                new FileUpdate {
+                    version = "1.4.4.0",
+                    needUpdate = false
+                }
+                // Add more FileUpdate instances for other versions as needed
+            };
+        }
+
+        public static List<FileUpdate> GetRequiredUpdates(string fromVersion)
+        {
+            string currentVersion = Updater.GetCurrentVersion();
+            // Get all updates whos version is greater than fromVersion
+            return GetUpdates().Where(update => string.Compare(update.version, fromVersion) > 0 && string.Compare(update.version, currentVersion) <= 0 && update.needUpdate && update.updateAction != null).ToList();
+        }
+
+        public static string ApplyUpdates(string fileContent, string fileVersion)
+        {
+            List<FileUpdate> updates = GetRequiredUpdates(fileVersion);
+            foreach (var update in updates)
+            {
+                if (update.needUpdate && update.updateAction != null)
+                {
+                    fileContent = update.updateAction(fileContent);
+                }
+            }
+            return fileContent;
+        }
+
+        public static List<string> ApplyUpdatesToALl(List<string> fileContents, string fileVersion)
+        {
+            List<FileUpdate> updates = GetRequiredUpdates(fileVersion);
+            List<string> updatedContents = new List<string>();
+            foreach (var content in fileContents)
+            {
+                string updatedContent = content;
+                foreach (var update in updates)
+                {
+                    if (update.needUpdate && update.updateAction != null)
+                    {
+                        updatedContent = update.updateAction(updatedContent);
+                    }
+                }
+                updatedContents.Add(updatedContent);
+            }
+            return updatedContents;
+        }
+
+
+        public static string PerformOldLegacyUpdate(string fileContent)
+        {
+            string[] parts = fileContent.Split(';');
+            // is part 7 a valid int? if not set it to 0 and log a warning.
+            if (parts.Length == 7)
+            {
+                Console.Error.WriteLine($"Warning: CSV string has only 7 fields, expected 8. Setting Order to 0. CSV: {fileContent}");
+                if (!StateManager.askForMigration())
+                {
+                    throw new Exception("User declined migration. Cannot parse CSV string with missing Order field.");
+                }
+                Array.Resize(ref parts, 8);
+                parts[7] = "0";
+                return string.Join(";", parts);
+            }
+            else if (parts.Length != 8)
+            {
+                throw new FormatException($"CSV string has {parts.Length} fields, expected 8. CSV: {fileContent}");
+            }
+            return fileContent;
+        }
+
+    }
+}

CarManagerV3/Forms/CarDetailsForm.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Threading.Tasks;
 using System.Windows.Forms;
+using CarManagerV3.Util;
 
 namespace CarManagerV3
 {
@@ -29,6 +30,39 @@ namespace CarManagerV3
             {
                 lblID.Text = $"ID: {car.Id}";
             }
+            SetAutoCompleteForMake();
+            SetAutoCompleteForModel();
+            SetAutoCompleteForColor();
+        }
+
+        private void SetAutoCompleteForMake()
+        {
+            var makes = CarCompletions.GetCarBrands();
+            var makeAutoComplete = new AutoCompleteStringCollection();
+            makeAutoComplete.AddRange(makes.ToArray());
+            tbxMake.AutoCompleteMode = AutoCompleteMode.SuggestAppend;
+            tbxMake.AutoCompleteSource = AutoCompleteSource.CustomSource;
+            tbxMake.AutoCompleteCustomSource = makeAutoComplete;
+        }
+
+        private void SetAutoCompleteForModel()
+        {
+            var models = CarCompletions.GetCarModels(tbxMake.Text);
+            var modelAutoComplete = new AutoCompleteStringCollection();
+            modelAutoComplete.AddRange(models.ToArray());
+            tbxModel.AutoCompleteMode = AutoCompleteMode.SuggestAppend;
+            tbxModel.AutoCompleteSource = AutoCompleteSource.CustomSource;
+            tbxModel.AutoCompleteCustomSource = modelAutoComplete;
+        }
+
+        private void SetAutoCompleteForColor()
+        {
+            var colors = CarCompletions.CommonColors;
+            var colorAutoComplete = new AutoCompleteStringCollection();
+            colorAutoComplete.AddRange(colors.ToArray());
+            tbxColor.AutoCompleteMode = AutoCompleteMode.SuggestAppend;
+            tbxColor.AutoCompleteSource = AutoCompleteSource.CustomSource;
+            tbxColor.AutoCompleteCustomSource = colorAutoComplete;
         }
 
         /// <summary>
@@ -69,6 +103,7 @@ namespace CarManagerV3
                 () => car.Make = ValueOrFormer(tbxMake.Text, car.Make),
                 () => tbxMake.Text = car.Make
             );
+            SetAutoCompleteForModel();
         }
 
         private void tbxModel_TextChanged(object sender, EventArgs e)
@@ -163,7 +198,8 @@ namespace CarManagerV3
 
         protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
         {
-            if (keyData == Keys.Enter)
+            // Ctrl+S to save, Esc to close, Delete to delete
+            if (keyData == (Keys.Control | Keys.S))
             {
                 btnSave.PerformClick();
                 return true; // Indicate that the key has been handled

CarManagerV3/Forms/MainForm.Designer.cs

@@ -30,7 +30,7 @@
         {
             components = new System.ComponentModel.Container();
             System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(MainForm));
-            tableLayoutPanel1 = new System.Windows.Forms.TableLayoutPanel();
+            tlpWrapper = new System.Windows.Forms.TableLayoutPanel();
             flpCars = new System.Windows.Forms.FlowLayoutPanel();
             tlpControls = new System.Windows.Forms.TableLayoutPanel();
             btnNewCar = new System.Windows.Forms.Button();
@@ -53,35 +53,40 @@
             toolsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             openWelcomeScreenToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             clearRecentFilesToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
-            imageList1 = new System.Windows.Forms.ImageList(components);
             aboutToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             checkForUpdatesToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             gitRepositoryToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
-            tableLayoutPanel1.SuspendLayout();
+            tableLayoutPanel2 = new System.Windows.Forms.TableLayoutPanel();
+            lblFileInfo = new System.Windows.Forms.Label();
+            imageList1 = new System.Windows.Forms.ImageList(components);
+            tlpWrapper.SuspendLayout();
             tlpControls.SuspendLayout();
             tlpSearch.SuspendLayout();
             ((System.ComponentModel.ISupportInitialize)pbxSearch).BeginInit();
             menuStrip1.SuspendLayout();
+            tableLayoutPanel2.SuspendLayout();
             SuspendLayout();
             // 
-            // tableLayoutPanel1
+            // tlpWrapper
             // 
-            tableLayoutPanel1.ColumnCount = 1;
+            tlpWrapper.ColumnCount = 1;
-            tableLayoutPanel1.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 100F));
+            tlpWrapper.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 100F));
-            tableLayoutPanel1.Controls.Add(flpCars, 0, 2);
+            tlpWrapper.Controls.Add(flpCars, 0, 2);
-            tableLayoutPanel1.Controls.Add(tlpControls, 0, 1);
+            tlpWrapper.Controls.Add(tlpControls, 0, 1);
-            tableLayoutPanel1.Controls.Add(menuStrip1, 0, 0);
+            tlpWrapper.Controls.Add(menuStrip1, 0, 0);
-            tableLayoutPanel1.Dock = System.Windows.Forms.DockStyle.Fill;
+            tlpWrapper.Controls.Add(tableLayoutPanel2, 0, 3);
-            tableLayoutPanel1.Location = new System.Drawing.Point(0, 0);
+            tlpWrapper.Dock = System.Windows.Forms.DockStyle.Fill;
-            tableLayoutPanel1.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            tlpWrapper.Location = new System.Drawing.Point(0, 0);
-            tableLayoutPanel1.Name = "tableLayoutPanel1";
+            tlpWrapper.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
-            tableLayoutPanel1.RowCount = 3;
+            tlpWrapper.Name = "tlpWrapper";
-            tableLayoutPanel1.RowStyles.Add(new System.Windows.Forms.RowStyle());
+            tlpWrapper.RowCount = 4;
-            tableLayoutPanel1.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 50F));
+            tlpWrapper.RowStyles.Add(new System.Windows.Forms.RowStyle());
-            tableLayoutPanel1.RowStyles.Add(new System.Windows.Forms.RowStyle());
+            tlpWrapper.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 50F));
-            tableLayoutPanel1.Size = new System.Drawing.Size(902, 653);
+            tlpWrapper.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 100F));
-            tableLayoutPanel1.TabIndex = 0;
+            tlpWrapper.RowStyles.Add(new System.Windows.Forms.RowStyle());
-            tableLayoutPanel1.Paint += tableLayoutPanel1_Paint;
+            tlpWrapper.Size = new System.Drawing.Size(902, 653);
+            tlpWrapper.TabIndex = 0;
+            tlpWrapper.Paint += tableLayoutPanel1_Paint;
             // 
             // flpCars
             // 
@@ -91,7 +96,7 @@
             flpCars.Location = new System.Drawing.Point(3, 82);
             flpCars.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
             flpCars.Name = "flpCars";
-            flpCars.Size = new System.Drawing.Size(896, 567);
+            flpCars.Size = new System.Drawing.Size(896, 541);
             flpCars.TabIndex = 1;
             // 
             // tlpControls
@@ -292,14 +297,6 @@
             clearRecentFilesToolStripMenuItem.Text = "Clear recent files";
             clearRecentFilesToolStripMenuItem.Click += clearRecentFilesToolStripMenuItem_Click;
             // 
-            // imageList1
-            // 
-            imageList1.ColorDepth = System.Windows.Forms.ColorDepth.Depth32Bit;
-            imageList1.ImageStream = (System.Windows.Forms.ImageListStreamer)resources.GetObject("imageList1.ImageStream");
-            imageList1.TransparentColor = System.Drawing.Color.Transparent;
-            imageList1.Images.SetKeyName(0, "Icon_Search.png");
-            imageList1.Images.SetKeyName(1, "Icon_Add.png");
-            // 
             // aboutToolStripMenuItem
             // 
             aboutToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] { checkForUpdatesToolStripMenuItem, gitRepositoryToolStripMenuItem });
@@ -310,23 +307,57 @@
             // checkForUpdatesToolStripMenuItem
             // 
             checkForUpdatesToolStripMenuItem.Name = "checkForUpdatesToolStripMenuItem";
-            checkForUpdatesToolStripMenuItem.Size = new System.Drawing.Size(224, 26);
+            checkForUpdatesToolStripMenuItem.Size = new System.Drawing.Size(213, 26);
             checkForUpdatesToolStripMenuItem.Text = "Check for Updates";
             checkForUpdatesToolStripMenuItem.Click += checkForUpdatesToolStripMenuItem_Click;
             // 
             // gitRepositoryToolStripMenuItem
             // 
             gitRepositoryToolStripMenuItem.Name = "gitRepositoryToolStripMenuItem";
-            gitRepositoryToolStripMenuItem.Size = new System.Drawing.Size(224, 26);
+            gitRepositoryToolStripMenuItem.Size = new System.Drawing.Size(213, 26);
             gitRepositoryToolStripMenuItem.Text = "Git Repository";
             gitRepositoryToolStripMenuItem.Click += gitRepositoryToolStripMenuItem_Click;
             // 
+            // tableLayoutPanel2
+            // 
+            tableLayoutPanel2.AutoSize = true;
+            tableLayoutPanel2.AutoSizeMode = System.Windows.Forms.AutoSizeMode.GrowAndShrink;
+            tableLayoutPanel2.ColumnCount = 2;
+            tableLayoutPanel2.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle());
+            tableLayoutPanel2.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Absolute, 20F));
+            tableLayoutPanel2.Controls.Add(lblFileInfo, 0, 0);
+            tableLayoutPanel2.Dock = System.Windows.Forms.DockStyle.Bottom;
+            tableLayoutPanel2.Location = new System.Drawing.Point(3, 630);
+            tableLayoutPanel2.Name = "tableLayoutPanel2";
+            tableLayoutPanel2.RowCount = 1;
+            tableLayoutPanel2.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 100F));
+            tableLayoutPanel2.Size = new System.Drawing.Size(896, 20);
+            tableLayoutPanel2.TabIndex = 4;
+            // 
+            // lblFileInfo
+            // 
+            lblFileInfo.AutoSize = true;
+            lblFileInfo.ForeColor = System.Drawing.SystemColors.ActiveBorder;
+            lblFileInfo.Location = new System.Drawing.Point(3, 0);
+            lblFileInfo.Name = "lblFileInfo";
+            lblFileInfo.Size = new System.Drawing.Size(150, 20);
+            lblFileInfo.TabIndex = 0;
+            lblFileInfo.Text = "No File info available";
+            // 
+            // imageList1
+            // 
+            imageList1.ColorDepth = System.Windows.Forms.ColorDepth.Depth32Bit;
+            imageList1.ImageStream = (System.Windows.Forms.ImageListStreamer)resources.GetObject("imageList1.ImageStream");
+            imageList1.TransparentColor = System.Drawing.Color.Transparent;
+            imageList1.Images.SetKeyName(0, "Icon_Search.png");
+            imageList1.Images.SetKeyName(1, "Icon_Add.png");
+            // 
             // MainForm
             // 
             AutoScaleDimensions = new System.Drawing.SizeF(8F, 20F);
             AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             ClientSize = new System.Drawing.Size(902, 653);
-            Controls.Add(tableLayoutPanel1);
+            Controls.Add(tlpWrapper);
             Icon = (System.Drawing.Icon)resources.GetObject("$this.Icon");
             MainMenuStrip = menuStrip1;
             Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
@@ -334,21 +365,23 @@
             Name = "MainForm";
             StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
             Text = "Carmanager 3";
-            tableLayoutPanel1.ResumeLayout(false);
+            tlpWrapper.ResumeLayout(false);
-            tableLayoutPanel1.PerformLayout();
+            tlpWrapper.PerformLayout();
             tlpControls.ResumeLayout(false);
             tlpSearch.ResumeLayout(false);
             tlpSearch.PerformLayout();
             ((System.ComponentModel.ISupportInitialize)pbxSearch).EndInit();
             menuStrip1.ResumeLayout(false);
             menuStrip1.PerformLayout();
+            tableLayoutPanel2.ResumeLayout(false);
+            tableLayoutPanel2.PerformLayout();
             ResumeLayout(false);
 
         }
 
         #endregion
 
-        private System.Windows.Forms.TableLayoutPanel tableLayoutPanel1;
+        private System.Windows.Forms.TableLayoutPanel tlpWrapper;
         private System.Windows.Forms.FlowLayoutPanel flpCars;
         private System.Windows.Forms.TableLayoutPanel tlpControls;
         private System.Windows.Forms.TextBox tbxSearch;
@@ -375,5 +408,7 @@
         private System.Windows.Forms.ToolStripMenuItem aboutToolStripMenuItem;
         private System.Windows.Forms.ToolStripMenuItem checkForUpdatesToolStripMenuItem;
         private System.Windows.Forms.ToolStripMenuItem gitRepositoryToolStripMenuItem;
+        private System.Windows.Forms.TableLayoutPanel tableLayoutPanel2;
+        private System.Windows.Forms.Label lblFileInfo;
     }
 }

CarManagerV3/Forms/MainForm.cs

@@ -4,6 +4,7 @@ using System.Data;
 using System.Linq;
 using System.Threading.Tasks;
 using System.Windows.Forms;
+using CarManagerV3.Classes;
 using CarManagerV3.Forms;
 using CarManagerV3.Manager;
 using CarManagerV3.Util;
@@ -86,6 +87,8 @@ namespace CarManagerV3
                 Console.Error.WriteLine("Error checking for updates: " + ex.Message);
             }
 
+            CarCompletions.UpdateCarCompletionDataAsync();
+
 
         }
 
@@ -216,7 +219,7 @@ namespace CarManagerV3
                     Car other = cars.Where(c => c.Order < order).OrderByDescending(c => c.Order).FirstOrDefault();
                     if (other != null)
                     {
-                        Console.WriteLine($"Swapping order of {car.ToString()} ({car.Order}) and {other.ToString()} ({other.Order})");
+                        System.Diagnostics.Debug.WriteLine($"Swapping order of {car.ToString()} ({car.Order}) and {other.ToString()} ({other.Order})");
                         int temp = car.Order;
                         car.Order = other.Order;
                         other.Order = temp;
@@ -233,7 +236,7 @@ namespace CarManagerV3
                     Car other = cars.Where(c => c.Order > order).OrderBy(c => c.Order).FirstOrDefault();
                     if (other != null)
                     {
-                        Console.WriteLine($"Swapping order of {car.ToString()} ({car.Order}) and {other.ToString()} ({other.Order})");
+                        System.Diagnostics.Debug.WriteLine($"Swapping order of {car.ToString()} ({car.Order}) and {other.ToString()} ({other.Order})");
                         int temp = car.Order;
                         car.Order = other.Order;
                         other.Order = temp;
@@ -263,6 +266,16 @@ namespace CarManagerV3
             flpCars.Refresh();
             flpCars.Invalidate();
             flpCars.Update();
+            refreshMeta();
+
+
+        }
+
+        private void refreshMeta()
+        {
+            FileMeta meta = SafeManager.GetFileMeta(filepath);
+            string version = Updater.GetCurrentVersion(true);
+            lblFileInfo.Text = $"Car Manager 3 v.{version}, " + meta.ToString();
         }
 
 
@@ -375,6 +388,7 @@ namespace CarManagerV3
             refreshCars(cars);
             SafeManager.SaveCars(filepath, cars);
             MessageBox.Show("File saved successfully.", "Save File", MessageBoxButtons.OK, MessageBoxIcon.Information);
+            refreshMeta();
         }
 
         private void saveAsToolStripMenuItem_Click(object sender, EventArgs e)

CarManagerV3/Forms/MainForm.resx

@@ -117,9 +117,6 @@
   <resheader name="writer">
     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
-  <metadata name="menuStrip1.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
-    <value>17, 17</value>
-  </metadata>
   <assembly alias="System.Drawing" name="System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
   <data name="btnNewCar.Image" type="System.Drawing.Bitmap, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
     <value>
@@ -142,6 +139,9 @@
         VXs21p8MAVc2KdQAvwAAAABJRU5ErkJggg==
 </value>
   </data>
+  <metadata name="menuStrip1.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>17, 17</value>
+  </metadata>
   <metadata name="imageList1.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
     <value>153, 17</value>
   </metadata>
@@ -150,15 +150,15 @@
         AAEAAAD/////AQAAAAAAAAAMAgAAAEZTeXN0ZW0uV2luZG93cy5Gb3JtcywgQ3VsdHVyZT1uZXV0cmFs
         LCBQdWJsaWNLZXlUb2tlbj1iNzdhNWM1NjE5MzRlMDg5BQEAAAAmU3lzdGVtLldpbmRvd3MuRm9ybXMu
         SW1hZ2VMaXN0U3RyZWFtZXIBAAAABERhdGEHAgIAAAAJAwAAAA8DAAAAYAQAAAJNU0Z0AUkBTAIBAQIB
-        AAGYAQABmAEAARQBAAEUAQAE/wEhAQAI/wFCAU0BNgcAATYDAAEoAwABUAMAARQDAAEBAQABIAYAARn/
+        AAGwAQABsAEAARQBAAEUAQAE/wEhAQAI/wFCAU0BNgcAATYDAAEoAwABUAMAARQDAAEBAQABIAYAARn/
         AP8AzAADCAEKAyMBMgMuAUYDFgEe/wAtAAMIAQoDIwEyAk8BTgGXAlYBVAGrAy4BRv8ALQADIwEyAk8B
         TgGXAf8BmQEzAf8DTgGWAyMBMiwAA10BzAT/9AADKAE8Ak8BTgGXAl8BWwHTA04BlgMjATIDCAEKLAAD
         XQHMBP/UAAMDAQQDDwETA0QBewJPAU4BlwNNAZIDQAFuAwYBBwMpAT0DTgGYAlsBWQHAAk8BTgGXAyMB
         MgMIAQowAANdAcwE/9AAAxMBGgMxAU0DRAF5AlwBWQHBAmEBXQHPAl0BWwHKAlcBVQG0Az8BbQNSAaMC
         WwFZAcADTgGYAygBPDgAA10BzAT/zAADAwEEAzEBTQJZAVcBvAJgAV0BzgNLAYwDQAFvA0ABbwNLAYwC
-        YAFdAc4BfAFtAVMB9AJTAVEBogMpAT08AANdAcwE/8wAAw8BEwNEAXkCYAFdAc4DBgEIBAIIAAQCAwYB
+        YAFdAc4BeAFoAVMB9AJTAVEBogMpAT08AANdAcwE/8wAAw8BEwNEAXkCYAFdAc4DBgEIBAIIAAQCAwYB
         CAJgAV0BzgM+AWsDBAEFKAADXQHMLP+4AANEAXkDWgG/A0sBjAQCEAAEAgNLAYwCWgFYAbcDQQFxKAAD
-        UgGjA10BzANdAcwDXQHMA10BzAOFAfUE/wNdAcwDXQHMA10BzANdAcwDXQHMuAACTwFOAZcCYAFdAc4D
+        UgGjA10BzANdAcwDXQHMA10BzAN/AfUE/wNdAcwDXQHMA10BzANdAcwDXQHMuAACTwFOAZcCYAFdAc4D
         QAFvGAADQAFvAl8BXAHLA04BlDwAA10BzAT/zAACTwFOAZcCYAFdAc4DQAFvGAADQAFvAl4BWwHNA04B
         ljwAA10BzAT/zAADRAF6AlsBWQHAA0sBjAQCEAAEAgNLAYwCWgFYAb0CRAFDAXc8AANdAcwE/8wAAw4B
         EgNEAXgCYAFdAc4DBgEIBAIIAAQCAwYBCAJgAV0BzgJDAUIBdQMMAQ88AANdAcwE/8wAAwMBBAMxAU0C

CarManagerV3/Forms/SettingsForm.Designer.cs

@@ -36,9 +36,15 @@
             btnAccept = new System.Windows.Forms.Button();
             btnDiscard = new System.Windows.Forms.Button();
             tableLayoutPanel1 = new System.Windows.Forms.TableLayoutPanel();
+            lblCompletionsRefreshWindow = new System.Windows.Forms.Label();
             lblDataLocation = new System.Windows.Forms.Label();
             tbxDataLocation = new System.Windows.Forms.TextBox();
             cbxPreRelease = new System.Windows.Forms.CheckBox();
+            flowLayoutPanel4 = new System.Windows.Forms.FlowLayoutPanel();
+            nudCompletionIntervalHours = new System.Windows.Forms.NumericUpDown();
+            label3 = new System.Windows.Forms.Label();
+            nudCompletionIntervalMinutes = new System.Windows.Forms.NumericUpDown();
+            label4 = new System.Windows.Forms.Label();
             tableLayoutPanel2 = new System.Windows.Forms.TableLayoutPanel();
             btnReset = new System.Windows.Forms.Button();
             flowLayoutPanel3 = new System.Windows.Forms.FlowLayoutPanel();
@@ -46,6 +52,9 @@
             flowLayoutPanel1.SuspendLayout();
             flowLayoutPanel2.SuspendLayout();
             tableLayoutPanel1.SuspendLayout();
+            flowLayoutPanel4.SuspendLayout();
+            ((System.ComponentModel.ISupportInitialize)nudCompletionIntervalHours).BeginInit();
+            ((System.ComponentModel.ISupportInitialize)nudCompletionIntervalMinutes).BeginInit();
             tableLayoutPanel2.SuspendLayout();
             flowLayoutPanel3.SuspendLayout();
             SuspendLayout();
@@ -121,27 +130,46 @@
             tableLayoutPanel1.ColumnCount = 2;
             tableLayoutPanel1.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle());
             tableLayoutPanel1.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 100F));
+            tableLayoutPanel1.Controls.Add(lblCompletionsRefreshWindow, 0, 2);
             tableLayoutPanel1.Controls.Add(lblDataLocation, 0, 0);
             tableLayoutPanel1.Controls.Add(tbxDataLocation, 1, 0);
-            tableLayoutPanel1.Controls.Add(cbxPreRelease, 1, 1);
+            tableLayoutPanel1.Controls.Add(cbxPreRelease, 0, 1);
+            tableLayoutPanel1.Controls.Add(flowLayoutPanel4, 1, 2);
             tableLayoutPanel1.Dock = System.Windows.Forms.DockStyle.Fill;
             tableLayoutPanel1.Location = new System.Drawing.Point(0, 86);
             tableLayoutPanel1.Name = "tableLayoutPanel1";
             tableLayoutPanel1.Padding = new System.Windows.Forms.Padding(10, 0, 10, 0);
-            tableLayoutPanel1.RowCount = 3;
+            tableLayoutPanel1.RowCount = 7;
-            tableLayoutPanel1.RowStyles.Add(new System.Windows.Forms.RowStyle());
             tableLayoutPanel1.RowStyles.Add(new System.Windows.Forms.RowStyle());
             tableLayoutPanel1.RowStyles.Add(new System.Windows.Forms.RowStyle());
+            tableLayoutPanel1.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 0F));
+            tableLayoutPanel1.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 20F));
+            tableLayoutPanel1.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 20F));
+            tableLayoutPanel1.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 20F));
+            tableLayoutPanel1.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 20F));
             tableLayoutPanel1.Size = new System.Drawing.Size(499, 531);
             tableLayoutPanel1.TabIndex = 3;
             // 
+            // lblCompletionsRefreshWindow
+            // 
+            lblCompletionsRefreshWindow.Anchor = System.Windows.Forms.AnchorStyles.Left | System.Windows.Forms.AnchorStyles.Right;
+            lblCompletionsRefreshWindow.AutoSize = true;
+            lblCompletionsRefreshWindow.Location = new System.Drawing.Point(13, 66);
+            lblCompletionsRefreshWindow.Margin = new System.Windows.Forms.Padding(3);
+            lblCompletionsRefreshWindow.MaximumSize = new System.Drawing.Size(150, 0);
+            lblCompletionsRefreshWindow.Name = "lblCompletionsRefreshWindow";
+            lblCompletionsRefreshWindow.Size = new System.Drawing.Size(148, 1);
+            lblCompletionsRefreshWindow.TabIndex = 4;
+            lblCompletionsRefreshWindow.Text = "Refresh completions after";
+            lblCompletionsRefreshWindow.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
+            // 
             // lblDataLocation
             // 
             lblDataLocation.Anchor = System.Windows.Forms.AnchorStyles.Left | System.Windows.Forms.AnchorStyles.Right;
             lblDataLocation.AutoSize = true;
             lblDataLocation.Location = new System.Drawing.Point(13, 6);
             lblDataLocation.Name = "lblDataLocation";
-            lblDataLocation.Size = new System.Drawing.Size(102, 20);
+            lblDataLocation.Size = new System.Drawing.Size(148, 20);
             lblDataLocation.TabIndex = 0;
             lblDataLocation.Text = "Data Location";
             lblDataLocation.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
@@ -149,9 +177,9 @@
             // tbxDataLocation
             // 
             tbxDataLocation.Dock = System.Windows.Forms.DockStyle.Fill;
-            tbxDataLocation.Location = new System.Drawing.Point(121, 3);
+            tbxDataLocation.Location = new System.Drawing.Point(167, 3);
             tbxDataLocation.Name = "tbxDataLocation";
-            tbxDataLocation.Size = new System.Drawing.Size(365, 27);
+            tbxDataLocation.Size = new System.Drawing.Size(319, 27);
             tbxDataLocation.TabIndex = 1;
             // 
             // cbxPreRelease
@@ -166,6 +194,61 @@
             cbxPreRelease.Text = "Pre-Release channel";
             cbxPreRelease.UseVisualStyleBackColor = true;
             // 
+            // flowLayoutPanel4
+            // 
+            flowLayoutPanel4.AutoSize = true;
+            flowLayoutPanel4.AutoSizeMode = System.Windows.Forms.AutoSizeMode.GrowAndShrink;
+            flowLayoutPanel4.Controls.Add(nudCompletionIntervalHours);
+            flowLayoutPanel4.Controls.Add(label3);
+            flowLayoutPanel4.Controls.Add(nudCompletionIntervalMinutes);
+            flowLayoutPanel4.Controls.Add(label4);
+            flowLayoutPanel4.Dock = System.Windows.Forms.DockStyle.Fill;
+            flowLayoutPanel4.Location = new System.Drawing.Point(164, 66);
+            flowLayoutPanel4.Margin = new System.Windows.Forms.Padding(0, 3, 0, 3);
+            flowLayoutPanel4.Name = "flowLayoutPanel4";
+            flowLayoutPanel4.Size = new System.Drawing.Size(325, 1);
+            flowLayoutPanel4.TabIndex = 5;
+            // 
+            // nudCompletionIntervalHours
+            // 
+            nudCompletionIntervalHours.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
+            nudCompletionIntervalHours.Location = new System.Drawing.Point(3, 3);
+            nudCompletionIntervalHours.Name = "nudCompletionIntervalHours";
+            nudCompletionIntervalHours.Size = new System.Drawing.Size(44, 27);
+            nudCompletionIntervalHours.TabIndex = 0;
+            nudCompletionIntervalHours.UpDownAlign = System.Windows.Forms.LeftRightAlignment.Left;
+            // 
+            // label3
+            // 
+            label3.Anchor = System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom;
+            label3.AutoSize = true;
+            label3.Location = new System.Drawing.Point(53, 0);
+            label3.Name = "label3";
+            label3.Size = new System.Drawing.Size(24, 33);
+            label3.TabIndex = 1;
+            label3.Text = "h :";
+            label3.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
+            // 
+            // nudCompletionIntervalMinutes
+            // 
+            nudCompletionIntervalMinutes.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
+            nudCompletionIntervalMinutes.Location = new System.Drawing.Point(83, 3);
+            nudCompletionIntervalMinutes.Name = "nudCompletionIntervalMinutes";
+            nudCompletionIntervalMinutes.Size = new System.Drawing.Size(44, 27);
+            nudCompletionIntervalMinutes.TabIndex = 2;
+            nudCompletionIntervalMinutes.UpDownAlign = System.Windows.Forms.LeftRightAlignment.Left;
+            // 
+            // label4
+            // 
+            label4.Anchor = System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom;
+            label4.AutoSize = true;
+            label4.Location = new System.Drawing.Point(133, 0);
+            label4.Name = "label4";
+            label4.Size = new System.Drawing.Size(22, 33);
+            label4.TabIndex = 3;
+            label4.Text = "m";
+            label4.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
+            // 
             // tableLayoutPanel2
             // 
             tableLayoutPanel2.AutoSize = true;
@@ -240,6 +323,10 @@
             flowLayoutPanel2.ResumeLayout(false);
             tableLayoutPanel1.ResumeLayout(false);
             tableLayoutPanel1.PerformLayout();
+            flowLayoutPanel4.ResumeLayout(false);
+            flowLayoutPanel4.PerformLayout();
+            ((System.ComponentModel.ISupportInitialize)nudCompletionIntervalHours).EndInit();
+            ((System.ComponentModel.ISupportInitialize)nudCompletionIntervalMinutes).EndInit();
             tableLayoutPanel2.ResumeLayout(false);
             tableLayoutPanel2.PerformLayout();
             flowLayoutPanel3.ResumeLayout(false);
@@ -264,5 +351,11 @@
         private System.Windows.Forms.CheckBox cbxPreRelease;
         private System.Windows.Forms.FlowLayoutPanel flowLayoutPanel3;
         private System.Windows.Forms.Label lblEnv;
+        private System.Windows.Forms.Label lblCompletionsRefreshWindow;
+        private System.Windows.Forms.FlowLayoutPanel flowLayoutPanel4;
+        private System.Windows.Forms.NumericUpDown nudCompletionIntervalHours;
+        private System.Windows.Forms.Label label3;
+        private System.Windows.Forms.NumericUpDown nudCompletionIntervalMinutes;
+        private System.Windows.Forms.Label label4;
     }
 }

CarManagerV3/Forms/SettingsForm.cs

@@ -43,6 +43,9 @@ namespace CarManagerV3.Forms
                     read: () => Properties.Settings.Default.AllowPrerelease,
                     write: v => Properties.Settings.Default.AllowPrerelease = v);
 
+            //TODO: implement refresh settings
+
+
             lblEnv.Text = lblEnv.Text.Replace("%E%", InstallModeDetector.IsInstalledViaMsi() ? "Installed via MSI" : "Running in portable mode");
 
         }
@@ -60,10 +63,33 @@ namespace CarManagerV3.Forms
 
         private void saveSettings()
         {
+            bool requiresRestart = false;
             foreach (var kvp in settingsMap)
+            {
                 kvp.Value.Save();
+                if (kvp.Value.RequiresRestart())
+                    requiresRestart = true;
+            }
+                
 
             Properties.Settings.Default.Save();
+            if(requiresRestart)
+            {
+                DialogResult result = MessageBox.Show(
+                    "Some changes you made require a restart to take effect. Do you want to restart now?",
+                    "Restart Required",
+                    MessageBoxButtons.YesNo,
+                    MessageBoxIcon.Information);
+                if (result == DialogResult.Yes)
+                {
+                    Application.Restart();
+                } else
+                {
+                    MessageBox.Show("Please restart the application as soon as possible to ensure all changes take effect.", "Restart Recommended", MessageBoxButtons.OK, MessageBoxIcon.Warning);
+                }
+            }
+
+            
         }
 
         private void resetSettings()
@@ -106,6 +132,7 @@ namespace CarManagerV3.Forms
         void Load();
         void Save();
         void Reset();
+        bool RequiresRestart();
     }
 
     internal sealed class SettingBinding<T> : ISettingBinding
@@ -115,14 +142,18 @@ namespace CarManagerV3.Forms
         private readonly Func<T> read;
         private readonly Action<T> write;
         private readonly Action<T, T>? onChange;
+        private readonly bool requiresRestart;
+        private bool changeRequiresRestart;
 
-        public SettingBinding(Control control, T defaultValue, Func<T> read, Action<T> write, Action<T, T>? onChange = null)
+        public SettingBinding(Control control, T defaultValue, Func<T> read, Action<T> write, bool requiresRestart = false, Action<T, T>? onChange = null)
         {
             this.control = control;
             this.defaultValue = defaultValue;
             this.read = read;
             this.write = write;
             this.onChange = onChange;
+            this.requiresRestart = requiresRestart;
+            this.changeRequiresRestart = false;
         }
 
         public void Load()
@@ -140,10 +171,15 @@ namespace CarManagerV3.Forms
 
             if (onChange != null && !EqualityComparer<T>.Default.Equals(before, after))
                 onChange(before, after);
+
+            if (requiresRestart && !EqualityComparer<T>.Default.Equals(before, after))
+                changeRequiresRestart = true;
         }
 
         public void Reset() => write(defaultValue);
 
+        public bool RequiresRestart() => changeRequiresRestart;
+
         private void ApplyToControl(T value)
         {
             switch (control)

CarManagerV3/Manager/SafeManager.cs

@@ -3,6 +3,8 @@ using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Windows.Forms;
+using CarManagerV3.Classes;
+using CarManagerV3.Manager;
 
 
 namespace CarManagerV3
@@ -50,11 +52,11 @@ namespace CarManagerV3
         {
             try
             {
-                //string directory = Path.GetDirectoryName(path);
+                string directory = Path.GetDirectoryName(path);
                 Console.WriteLine($"Initializing file and folders for path: {path}");
-                if (!Directory.Exists(path))
+                if (!Directory.Exists(directory))
                 {
-                    Directory.CreateDirectory(path);
+                    Directory.CreateDirectory(directory);
                 }
                 if (!folderOnly) InitializeFile(path);
             }
@@ -64,6 +66,26 @@ namespace CarManagerV3
             }
         }
 
+        /// <summary>
+        /// Ensures the directory exists.
+        /// </summary>
+        /// <param name="path">The path.</param>
+        public static void EnsureDirectoryExists(string path)
+        {
+            try
+            {
+                string directory = Path.GetDirectoryName(path);
+                if (directory != null && !Directory.Exists(directory))
+                {
+                    Directory.CreateDirectory(directory);
+                }
+            }
+            catch (Exception ex)
+            {
+                Console.Error.WriteLine($"Error ensuring directory exists: {ex.Message}");
+            }
+        }
+
         /// <summary>
         /// Reads cars from a specified file path.
         /// </summary>
@@ -75,6 +97,7 @@ namespace CarManagerV3
         {
             List<Car> cars = new List<Car>();
             List<string> failedLines = new List<string>();
+            FileMeta meta = null;
             bool isLegacy = false;
             try
             {
@@ -83,6 +106,27 @@ namespace CarManagerV3
                     string line;
                     while ((line = reader.ReadLine()) != null)
                     {
+                        if (FileMeta.IsFileMeta(line))
+                        {
+                            meta = FileMeta.FromCSV(line);
+                            if (meta != null)
+                            {
+                                if (FileMeta.NeedsUpdate(meta))
+                                {
+                                    if (!StateManager.askForMigration(meta))
+                                    {
+                                        MessageBox.Show($"The file you are trying to open is from an older version that is no longer supported. Please select a different file.\nRunning:{Updater.GetCurrentVersion()}, File:{meta.Version}", "Unsupported Version", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                                        throw new LegacyException();
+                                        //Environment.Exit(0);
+                                    }
+                                    else
+                                    {
+                                        isLegacy = true;
+                                    }
+                                }
+                            }
+                            continue;
+                        }
                         // Process the line
                         if (line == "") continue;
                         if (Car.isLegacyCsvString(line))
@@ -96,8 +140,10 @@ namespace CarManagerV3
                             else
                             {
                                 isLegacy = true;
+                                line = FileUpdate.PerformOldLegacyUpdate(line);
                             }
                         }
+                        if (isLegacy && meta != null) line = FileUpdate.ApplyUpdates(line, meta.Version);
                         Car tmp = Car.FromCsvString(line);
                         if (tmp == null)
                         {
@@ -146,6 +192,8 @@ namespace CarManagerV3
             {
                 using (StreamWriter writer = new StreamWriter(@path))
                 {
+                    FileMeta meta = FileMeta.Generate();
+                    writer.WriteLine(meta.ToCSV());
                     foreach (Car car in cars)
                     {
                         writer.WriteLine(car.ToCsvString());
@@ -265,5 +313,31 @@ namespace CarManagerV3
             }
         }
 
+
+        public static FileMeta GetFileMeta(string path)
+        {
+            try
+            {
+                using (StreamReader reader = new StreamReader(@path))
+                {
+                    string line;
+                    while ((line = reader.ReadLine()) != null)
+                    {
+                        if (FileMeta.IsFileMeta(line))
+                        {
+                            reader.Close();
+                            return FileMeta.FromCSV(line);
+                        }
+                    }
+                    reader.Close();
+                }
+            }
+            catch (Exception ex)
+            {
+                Console.Error.WriteLine($"Error getting file meta: {ex.Message}");
+            }
+            return null;
+
+        }
     }
 }

CarManagerV3/Manager/StateManager.cs

@@ -2,6 +2,8 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Windows.Forms;
+using CarManagerV3.Classes;
+using CarManagerV3.Manager;
 
 namespace CarManagerV3
 {
@@ -139,13 +141,19 @@ namespace CarManagerV3
         /// This is to prevent multiple annoying popups if the user tries to open multiple files that require migration.
         /// </summary>
         /// <returns>True if the user has accepted to migrate the file, otherwise False</returns>
-        public static bool askForMigration()
+        public static bool askForMigration(FileMeta meta = null)
         {
             if (hasConfirmedMigration)
             {
                 return true;
             }
-            DialogResult result = MessageBox.Show("The file you are trying to open is in an older format. Do you want to attempt to migrate it to the new format? If you choose not to migrate, the file will not be opened.", "Migration Needed", MessageBoxButtons.YesNo, MessageBoxIcon.Warning);
+            string promptMessage = "The file you are trying to open is in an older format. Do you want to attempt to migrate it to the new format? If you choose not to migrate, the file will not be opened.";
+            if(meta != null)
+            {
+                int nUpdatesNeeded = FileUpdate.GetRequiredUpdates(meta.Version).Count;
+                promptMessage = $"The file you are trying to open is in an older format ({meta.Version}). It requires {nUpdatesNeeded} update(s) to be migrated to your Version ({Updater.GetCurrentVersion(true)}).\nDo you want to attempt to migrate it? If you choose not to migrate, the file will not be opened.";
+            }
+            DialogResult result = MessageBox.Show(promptMessage, "Migration Needed", MessageBoxButtons.YesNo, MessageBoxIcon.Warning);
             hasConfirmedMigration = result == DialogResult.Yes;
             return hasConfirmedMigration;
         }

CarManagerV3/Properties/Resources.resx

@@ -118,6 +118,9 @@
     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
   <assembly alias="System.Windows.Forms" name="System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
+  <data name="CarCompleteData" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\merged-cars.json;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
   <data name="Icon_Add" type="System.Resources.ResXFileRef, System.Windows.Forms">
     <value>..\Resources\Icon_Add.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
   </data>

CarManagerV3/Properties/Settings.Designer.cs

@@ -46,5 +46,29 @@ namespace CarManagerV3.Properties {
                 this["AllowPrerelease"] = value;
             }
         }
+        
+        [global::System.Configuration.UserScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        [global::System.Configuration.DefaultSettingValueAttribute("2026-01-01")]
+        public global::System.DateTime LastFetchedAutoCompletions {
+            get {
+                return ((global::System.DateTime)(this["LastFetchedAutoCompletions"]));
+            }
+            set {
+                this["LastFetchedAutoCompletions"] = value;
+            }
+        }
+        
+        [global::System.Configuration.UserScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        [global::System.Configuration.DefaultSettingValueAttribute("24.00:00:00")]
+        public global::System.TimeSpan FetchAutoCompletionsInterval {
+            get {
+                return ((global::System.TimeSpan)(this["FetchAutoCompletionsInterval"]));
+            }
+            set {
+                this["FetchAutoCompletionsInterval"] = value;
+            }
+        }
     }
 }

CarManagerV3/Properties/Settings.settings

@@ -8,5 +8,11 @@
     <Setting Name="AllowPrerelease" Type="System.Boolean" Scope="User">
       <Value Profile="(Default)">False</Value>
     </Setting>
+    <Setting Name="LastFetchedAutoCompletions" Type="System.DateTime" Scope="User">
+      <Value Profile="(Default)">2026-01-01</Value>
+    </Setting>
+    <Setting Name="FetchAutoCompletionsInterval" Type="System.TimeSpan" Scope="User">
+      <Value Profile="(Default)">24.00:00:00</Value>
+    </Setting>
   </Settings>
 </SettingsFile>

CarManagerV3/Util/CarCompletions.cs

@@ -0,0 +1,261 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+using CarManagerV3.Classes;
+
+namespace CarManagerV3.Util
+{
+    /// <summary>
+    /// Provides car manufacturer and model autocompletion data for the application.
+    /// Manages fetching, caching, and retrieval of car brand and model information from remote sources and local storage.
+    /// </summary>
+    /// <remarks>
+    /// This class maintains a static list of car manufacturers and their models, supports fetching updated data from remote URLs,
+    /// and caches the data locally for offline use. It implements retry logic to prevent excessive network requests.
+    /// </remarks>
+    internal class CarCompletions
+    {
+        /// <summary>
+        /// A list of URLs that should be used to fetch the json file with autocompletion data.
+        /// Multiple URLs are provided to ensure that if one source is unavailable, the others can be used as a fallback. The application should attempt to fetch the data from each URL in order until it successfully retrieves the data or exhausts all options.
+        /// </summary>
+        private static readonly string[] carDataFileUrls =
+        {
+            "https://static.clsw.app/carmgm/merged-cars.json"
+        };
+
+        /// <summary>
+        /// The filename for the cached car completion data in the user's data directory.
+        /// </summary>
+        private static readonly string carCompletionDataFileName = "car_data.json";
+
+        /// <summary>
+        /// The timestamp of the last fetch attempt for car completion data.
+        /// Used to implement retry throttling to prevent excessive network requests.
+        /// </summary>
+        private static DateTime lastFetchAttempt = Properties.Settings.Default.LastFetchedAutoCompletions;
+
+        /// <summary>
+        /// The minimum time interval that must elapse between fetch attempts.
+        /// Prevents excessive retry attempts when the remote source is unavailable.
+        /// </summary>
+        private static readonly TimeSpan fetchRetryInterval = Properties.Settings.Default.FetchAutoCompletionsInterval; // Minimum interval between fetch attempts
+
+        /// <summary>
+        /// Gets the full file path for the car completion data file.
+        /// Ensures that the user data directory exists before returning the path.
+        /// </summary>
+        /// <returns>The full file path to the car completion data file in the user's data directory.</returns>
+        private static string getCarCompletionDataFilePath()
+        {
+            var userDataDir = Properties.Settings.Default.DataLocation;
+            SafeManager.EnsureDirectoryExists(userDataDir);
+            return Path.Combine(userDataDir, carCompletionDataFileName);
+        }
+
+        /// <summary>
+        /// The static list of car manufacturers and their available models.
+        /// This list serves as the default data and is updated when fetching from remote sources or local cache.
+        /// </summary>
+        public static List<CarManufacturer> carBrands = new List<CarManufacturer>
+        {
+            new CarManufacturer("Toyota") { Models = new List<string> { "Camry", "Corolla", "RAV4" } },
+            new CarManufacturer("Honda") { Models = new List<string> { "Civic", "Accord", "CR-V" } },
+            new CarManufacturer("Ford") { Models = new List<string> { "F-150", "Mustang", "Escape" } },
+            new CarManufacturer("Chevrolet") { Models = new List<string> { "Silverado", "Malibu", "Equinox" } },
+            new CarManufacturer("BMW") { Models = new List<string> { "3 Series", "5 Series", "X5" } },
+            new CarManufacturer("Mercedes-Benz") { Models = new List<string> { "C-Class", "E-Class", "GLC" } },
+            new CarManufacturer("Audi") { Models = new List<string> { "A4", "A6", "Q5" } },
+            new CarManufacturer("Volkswagen") { Models = new List<string> { "Golf", "Passat", "Tiguan" } },
+            new CarManufacturer("Nissan") { Models = new List<string> { "Altima", "Sentra", "Rogue" } },
+            new CarManufacturer("Hyundai") { Models = new List<string> { "Elantra", "Sonata", "Tucson" } },
+            new CarManufacturer("SEAT") { Models = new List<string> { "Ibiza", "Leon", "Ateca", "Alhambra" } },
+            new CarManufacturer("Skoda") { Models = new List<string> { "Octavia", "Fabia", "Kodiaq" } },
+        };
+
+        /// <summary>
+        /// Gets the full list of car brands.
+        /// </summary>
+        /// <returns>A list of strings containing all available car manufacturer names.</returns>
+        public static List<string> GetCarBrands()
+        {
+            return carBrands.Select(c => c.Name).ToList();
+        }
+
+        /// <summary>
+        /// Retrieves the list of car models for a specified brand.
+        /// The search is case-insensitive.
+        /// </summary>
+        /// <param name="brand">The name of the car brand to search for.</param>
+        /// <returns>A list of car models for the specified brand, or an empty list if the brand is not found.</returns>
+        public static List<string> GetCarModels(string brand)
+        {
+            var manufacturer = carBrands.FirstOrDefault(c => c.Name.Equals(brand, StringComparison.OrdinalIgnoreCase));
+            return manufacturer != null ? manufacturer.Models : new List<string>();
+        }
+
+        /// <summary>
+        /// A predefined list of common car colors for autocompletion purposes.
+        /// Provides standard color options that are frequently used in vehicle descriptions.
+        /// </summary>
+        public static List<string> CommonColors = new List<string>
+        {
+            "Black", "White", "Gray", "Silver", "Red", "Blue", "Green", "Yellow", "Brown", "Orange"
+        };
+
+        /// <summary>
+        /// Reads car completion data from an embedded resource file.
+        /// This method is intended to populate the carBrands list from a JSON resource embedded in the project.
+        /// </summary>
+        /// <remarks>
+        /// The expected resource format is a JSON object where keys are car brand names and values are lists of model names.
+        /// Resource name: CarCompleteData (JSON file format).
+        /// Currently not implemented.
+        /// </remarks>
+        public static void ReadFromResourceFile()
+        {
+            // Read the json file from the projects resources and populate the carBrands list
+            // Format is a json object with the key being the car brand and the value being a list of models
+
+            // Get the json string from the resources, Resource name is CarCompleteData, it is a .json file
+
+
+        }
+
+        /// <summary>
+        /// Fetches the car data from urls asynchronous and saves it in the users data directory for offline use.
+        /// </summary>
+        /// <returns>A task representing the asynchronous operation.</returns>
+        /// <remarks>
+        /// This method implements retry throttling using the <see cref="fetchRetryInterval"/> to prevent excessive network requests.
+        /// It attempts to fetch data from each URL in <see cref="carDataFileUrls"/> in order until successful or all URLs are exhausted.
+        /// The fetched data is saved to the local file system for offline access.
+        /// </remarks>
+        public static async Task FetchCarCompletionDataFromUrlsAsync()
+        {
+            if(DateTime.Now - lastFetchAttempt < fetchRetryInterval)
+            {
+                System.Diagnostics.Debug.WriteLine("Fetch attempt skipped to avoid excessive retries. Last attempt was at " + lastFetchAttempt);
+                Console.WriteLine("Fetch attempt skipped to avoid excessive retries. Last attempt was at " + lastFetchAttempt);
+                return;
+            }
+            foreach (var url in carDataFileUrls)
+            {
+                try
+                {
+                    lastFetchAttempt = DateTime.Now;
+                    Properties.Settings.Default.LastFetchedAutoCompletions = lastFetchAttempt;
+                    Properties.Settings.Default.Save();
+                    using var httpClient = new HttpClient();
+                    var response = await httpClient.GetAsync(url);
+                    response.EnsureSuccessStatusCode();
+                    var jsonData = await response.Content.ReadAsStringAsync();
+                    // Saves the json data to a file in the user's data directory for offline use
+                    var filePath = getCarCompletionDataFilePath();
+                    await File.WriteAllTextAsync(filePath, jsonData);
+                    System.Diagnostics.Debug.WriteLine($"Successfully fetched car data from {url} and saved to {filePath}");
+                    break; // Exit the loop if data is successfully fetched
+                }
+                catch (Exception ex)
+                {
+                    // Log the error and try the next URL
+                    System.Diagnostics.Debug.WriteLine($"Failed to fetch car data from {url}: {ex.Message}");
+                    Console.WriteLine($"Failed to fetch car data from {url}: {ex.Message}");
+                }
+            }
+        }
+
+        /// <summary>
+        /// Fetches the car data from urls and saves it in the users data directory for offline use.
+        /// This is a synchronous wrapper that blocks until the asynchronous fetch operation completes.
+        /// </summary>
+        /// <returns>A task representing the synchronous operation.</returns>
+        /// <remarks>
+        /// This method wraps <see cref="FetchCarCompletionDataFromUrlsAsync"/> and runs it synchronously.
+        /// Consider using the async version directly when possible to avoid blocking the thread.
+        /// </remarks>
+        public static Task FetchCarCompletionDataFromUrls()
+        {
+            // Run synchronously
+            return Task.Run(() => FetchCarCompletionDataFromUrlsAsync().Wait());
+        }
+
+        /// <summary>
+        /// Loads car manufacturer data from the locally cached file.
+        /// Optionally fetches updated data from remote sources before loading from file.
+        /// </summary>
+        /// <param name="skipOnlineUpdate">If true, skips fetching data from remote sources and only reads from the local cache. Default is false.</param>
+        /// <returns>A list of <see cref="CarManufacturer"/> objects populated from the cached file, or an empty list if the file doesn't exist or an error occurs.</returns>
+        /// <remarks>
+        /// The expected file format is a JSON object where keys are car brand names and values are lists of model names.
+        /// If the file doesn't exist or cannot be read, an error message is logged and an empty list is returned.
+        /// </remarks>          
+        public static List<CarManufacturer> GetFromFile(bool skipOnlineUpdate = false)
+        {
+            if (!skipOnlineUpdate) FetchCarCompletionDataFromUrls();
+            var filePath = getCarCompletionDataFilePath();
+            if (File.Exists(filePath))
+            {
+                try
+                {
+                    var jsonData = File.ReadAllText(filePath);
+                    // Parse the json data and populate the carBrands list
+                    // Format is a json object with the key being the car brand and the value being a list of models
+                    var carData = Newtonsoft.Json.JsonConvert.DeserializeObject<Dictionary<string, List<string>>>(jsonData);
+                    List<CarManufacturer> _carBrands = carData.Select(kvp => new CarManufacturer(kvp.Key) { Models = kvp.Value }).ToList();
+                    return _carBrands;
+                }
+                catch (Exception ex)
+                {
+                    // Silent error.
+                    Console.WriteLine($"Failed to read car data from file: {ex.Message}");
+                }
+            }
+            else
+            {
+                Console.Error.WriteLine("Car data file not found. Please ensure that the data has been fetched successfully at least once.");
+            }
+            return new List<CarManufacturer>();
+        }
+
+        /// <summary>
+        /// Updates the static <see cref="carBrands"/> list with data from the local cache file.
+        /// Only updates the list if the cached file contains valid data.
+        /// </summary>
+        /// <param name="skipOnlineUpdate">If true, skips fetching data from remote sources before updating. Default is false.</param>
+        /// <remarks>
+        /// This method calls <see cref="GetFromFile"/> and updates <see cref="carBrands"/> only if the returned list is not empty.
+        /// If no data is retrieved, the existing <see cref="carBrands"/> list remains unchanged.
+        /// </remarks>
+        public static void UpdateCarCompletionData(bool skipOnlineUpdate = false)
+        {
+            var updatedCarBrands = GetFromFile(skipOnlineUpdate);
+            if (updatedCarBrands.Count > 0)
+            {
+                carBrands = updatedCarBrands;
+            }
+        }
+
+        /// <summary>
+        /// Asynchronously updates the car completion data by fetching from remote sources and updating the local cache.
+        /// This is the recommended method for refreshing car data in the application.
+        /// </summary>
+        /// <returns>A task representing the asynchronous update operation.</returns>
+        /// <remarks>
+        /// This method first attempts to fetch updated data from remote URLs using <see cref="FetchCarCompletionDataFromUrlsAsync"/>,
+        /// then updates the static <see cref="carBrands"/> list from the local cache using <see cref="UpdateCarCompletionData"/>.
+        /// </remarks>
+        public static async Task UpdateCarCompletionDataAsync()
+        {
+            await FetchCarCompletionDataFromUrlsAsync();
+            System.Diagnostics.Debug.WriteLine("Car completion data fetch attempt completed. Now updating local data.");
+            UpdateCarCompletionData(true);
+        }
+    }
+
+}