added backend for storing extra fields.

Controllers/HomeController.cs

@@ -17,18 +17,20 @@ namespace CarCareTracker.Controllers
         private readonly IUserLogic _userLogic;
         private readonly IFileHelper _fileHelper;
         private readonly IConfigHelper _config;
-
+        private readonly IExtraFieldDataAccess _extraFieldDataAccess;
-        public HomeController(ILogger<HomeController> logger, 
+        public HomeController(ILogger<HomeController> logger,
             IVehicleDataAccess dataAccess,
             IUserLogic userLogic,
             IConfigHelper configuration,
-            IFileHelper fileHelper)
+            IFileHelper fileHelper,
+            IExtraFieldDataAccess extraFieldDataAccess)
         {
             _logger = logger;
             _dataAccess = dataAccess;
             _config = configuration;
             _userLogic = userLogic;
             _fileHelper = fileHelper;
+            _extraFieldDataAccess = extraFieldDataAccess;
         }
         private int GetUserID()
         {
@@ -68,7 +70,24 @@ namespace CarCareTracker.Controllers
         {
             return View();
         }
-
+        public IActionResult GetExtraFieldsModal(int importMode = 0)
+        {
+            var recordExtraFields = _extraFieldDataAccess.GetExtraFieldsById(importMode);
+            return PartialView("_ExtraFields", recordExtraFields);
+        }
+        public IActionResult UpdateExtraFields(RecordExtraField record)
+        {
+            try
+            {
+                var result = _extraFieldDataAccess.SaveExtraFields(record);
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex.Message);
+            }
+            var recordExtraFields = _extraFieldDataAccess.GetExtraFieldsById(record.Id);
+            return PartialView("_ExtraFields", recordExtraFields);
+        }
         [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
         public IActionResult Error()
         {

Controllers/MigrationController.cs

@@ -52,7 +52,8 @@ namespace CarCareTracker.Controllers
                 "CREATE TABLE IF NOT EXISTS app.userrecords (id INT GENERATED BY DEFAULT AS IDENTITY primary key, username TEXT not null, emailaddress TEXT not null, password TEXT not null, isadmin BOOLEAN)",
                 "CREATE TABLE IF NOT EXISTS app.tokenrecords (id INT GENERATED BY DEFAULT AS IDENTITY primary key, body TEXT not null, emailaddress TEXT not null)",
                 "CREATE TABLE IF NOT EXISTS app.userconfigrecords (id INT primary key, data jsonb not null)",
-                "CREATE TABLE IF NOT EXISTS app.useraccessrecords (userId INT, vehicleId INT, PRIMARY KEY(userId, vehicleId))"
+                "CREATE TABLE IF NOT EXISTS app.useraccessrecords (userId INT, vehicleId INT, PRIMARY KEY(userId, vehicleId))",
+                "CREATE TABLE IF NOT EXISTS app.extrafields (id INT primary key, data jsonb not null)"
             };
             foreach(string cmd in cmds)
             {
@@ -97,6 +98,8 @@ namespace CarCareTracker.Controllers
                 var tokenrecords = new List<Token>();
                 var userconfigrecords = new List<UserConfigData>();
                 var useraccessrecords = new List<UserAccess>();
+
+                var extrafields = new List<RecordExtraField>();
                 #region "Part1"
                 string cmd = $"SELECT data FROM app.vehicles";
                 using (var ctext = pgDataSource.CreateCommand(cmd))
@@ -396,6 +399,25 @@ namespace CarCareTracker.Controllers
                     };
                 }
                 #endregion
+                #region "Part5"
+                cmd = $"SELECT data FROM app.extrafields";
+                using (var ctext = pgDataSource.CreateCommand(cmd))
+                {
+                    using (NpgsqlDataReader reader = ctext.ExecuteReader())
+                        while (reader.Read())
+                        {
+                            extrafields.Add(System.Text.Json.JsonSerializer.Deserialize<RecordExtraField>(reader["data"] as string));
+                        }
+                }
+                foreach (var record in extrafields)
+                {
+                    using (var db = new LiteDatabase(fullFileName))
+                    {
+                        var table = db.GetCollection<RecordExtraField>("extrafields");
+                        table.Upsert(record);
+                    };
+                }
+                #endregion
                 var destFilePath = $"{fullFolderPath}.zip";
                 ZipFile.CreateFromDirectory(fullFolderPath, destFilePath);
                 return Json(new OperationResponse { Success = true, Message = $"/{tempFolder}.zip" });
@@ -441,6 +463,8 @@ namespace CarCareTracker.Controllers
                 var tokenrecords = new List<Token>();
                 var userconfigrecords = new List<UserConfigData>();
                 var useraccessrecords = new List<UserAccess>();
+
+                var extrafields = new List<RecordExtraField>();
                 #region "Part1"
                 using (var db = new LiteDatabase(fullFileName))
                 {
@@ -704,6 +728,23 @@ namespace CarCareTracker.Controllers
                     }
                 }
                 #endregion
+                #region "Part5"
+                using (var db = new LiteDatabase(fullFileName))
+                {
+                    var table = db.GetCollection<RecordExtraField>("extrafields");
+                    extrafields = table.FindAll().ToList();
+                };
+                foreach (var record in extrafields)
+                {
+                    string cmd = $"INSERT INTO app.extrafields (id, data) VALUES(@id, CAST(@data AS jsonb))";
+                    using (var ctext = pgDataSource.CreateCommand(cmd))
+                    {
+                        ctext.Parameters.AddWithValue("id", record.Id);
+                        ctext.Parameters.AddWithValue("data", System.Text.Json.JsonSerializer.Serialize(record));
+                        ctext.ExecuteNonQuery();
+                    }
+                }
+                #endregion
                 return Json(new OperationResponse { Success = true, Message = "Data Imported Successfully" });
             }
             catch (Exception ex)

External/Implementations/Litedb/ExtraFieldDataAccess.cs

@@ -0,0 +1,30 @@
+using CarCareTracker.External.Interfaces;
+using CarCareTracker.Helper;
+using CarCareTracker.Models;
+using LiteDB;
+
+namespace CarCareTracker.External.Implementations
+{
+    public class ExtraFieldDataAccess: IExtraFieldDataAccess
+    {
+        private static string dbName = StaticHelper.DbName;
+        private static string tableName = "extrafields";
+        public RecordExtraField GetExtraFieldsById(int importMode)
+        {
+            using (var db = new LiteDatabase(dbName))
+            {
+                var table = db.GetCollection<RecordExtraField>(tableName);
+                return table.FindById(importMode) ?? new RecordExtraField();
+            };
+        }
+        public bool SaveExtraFields(RecordExtraField record)
+        {
+            using (var db = new LiteDatabase(dbName))
+            {
+                var table = db.GetCollection<RecordExtraField>(tableName);
+                table.Upsert(record);
+                return true;
+            };
+        }
+    }
+}

External/Implementations/Postgres/ExtraFieldDataAccess.cs

@@ -0,0 +1,75 @@
+using CarCareTracker.External.Interfaces;
+using CarCareTracker.Models;
+using Npgsql;
+using System.Text.Json;
+
+namespace CarCareTracker.External.Implementations
+{
+    public class PGExtraFieldDataAccess : IExtraFieldDataAccess
+    {
+        private NpgsqlDataSource pgDataSource;
+        private readonly ILogger<PGExtraFieldDataAccess> _logger;
+        private static string tableName = "extrafields";
+        public PGExtraFieldDataAccess(IConfiguration config, ILogger<PGExtraFieldDataAccess> logger)
+        {
+            pgDataSource = NpgsqlDataSource.Create(config["POSTGRES_CONNECTION"]);
+
+            _logger = logger;
+            try
+            {
+                //create table if not exist.
+                string initCMD = $"CREATE TABLE IF NOT EXISTS app.{tableName} (id INT primary key, data jsonb not null)";
+                using (var ctext = pgDataSource.CreateCommand(initCMD))
+                {
+                    ctext.ExecuteNonQuery();
+                }
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex.Message);
+            }
+        }
+        public RecordExtraField GetExtraFieldsById(int importMode)
+        {
+            try
+            {
+                string cmd = $"SELECT data FROM app.{tableName} WHERE id = @id";
+                var results = new RecordExtraField();
+                using (var ctext = pgDataSource.CreateCommand(cmd))
+                {
+                    ctext.Parameters.AddWithValue("id", importMode);
+                    using (NpgsqlDataReader reader = ctext.ExecuteReader())
+                        while (reader.Read())
+                        {
+                            RecordExtraField result = JsonSerializer.Deserialize<RecordExtraField>(reader["data"] as string);
+                            results = result;
+                        }
+                }
+                return results;
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex.Message);
+                return new RecordExtraField();
+            }
+        }
+        public bool SaveExtraFields(RecordExtraField record)
+        {
+            try
+            {
+                string cmd = $"INSERT INTO app.{tableName} (id, data) VALUES(@id, CAST(@data AS jsonb))";
+                using (var ctext = pgDataSource.CreateCommand(cmd))
+                {
+                    ctext.Parameters.AddWithValue("id", record.Id);
+                    ctext.Parameters.AddWithValue("data", JsonSerializer.Serialize(record));
+                    return ctext.ExecuteNonQuery() > 0;
+                }
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex.Message);
+                return false;
+            }
+        }
+    }
+}

External/Interfaces/IExtraFieldDataAccess.cs

@@ -0,0 +1,10 @@
+using CarCareTracker.Models;
+
+namespace CarCareTracker.External.Interfaces
+{
+    public interface IExtraFieldDataAccess
+    {
+        public RecordExtraField GetExtraFieldsById(int importMode);
+        public bool SaveExtraFields(RecordExtraField record);
+    }
+}

Models/RecordExtraField.cs

@@ -0,0 +1,11 @@
+namespace CarCareTracker.Models
+{
+    public class RecordExtraField
+    {
+        /// <summary>
+        /// Corresponds to int value of ImportMode enum
+        /// </summary>
+        public int Id { get; set; }
+        public List<ExtraField> ExtraFields { get; set; } = new List<ExtraField>();
+    }
+}

Program.cs

@@ -31,6 +31,7 @@ if (!string.IsNullOrWhiteSpace(builder.Configuration["POSTGRES_CONNECTION"])){
     builder.Services.AddSingleton<IUserRecordDataAccess, PGUserRecordDataAccess>();
     builder.Services.AddSingleton<ITokenRecordDataAccess, PGTokenRecordDataAccess>();
     builder.Services.AddSingleton<IUserAccessDataAccess, PGUserAccessDataAccess>();
+    builder.Services.AddSingleton<IExtraFieldDataAccess, PGExtraFieldDataAccess>();
 }
 else
 {
@@ -50,6 +51,7 @@ else
     builder.Services.AddSingleton<IUserRecordDataAccess, UserRecordDataAccess>();
     builder.Services.AddSingleton<ITokenRecordDataAccess, TokenRecordDataAccess>();
     builder.Services.AddSingleton<IUserAccessDataAccess, UserAccessDataAccess>();
+    builder.Services.AddSingleton<IExtraFieldDataAccess, ExtraFieldDataAccess>();
 }
 
 //configure helpers