Added upgrades section backend.

External/Implementations/UpgradeRecordDataAccess.cs

@@ -0,0 +1,57 @@
+using CarCareTracker.External.Interfaces;
+using CarCareTracker.Helper;
+using CarCareTracker.Models;
+using LiteDB;
+
+namespace CarCareTracker.External.Implementations
+{
+    public class UpgradeRecordDataAccess : IUpgradeRecordDataAccess
+    {
+        private static string dbName = StaticHelper.DbName;
+        private static string tableName = "upgraderecords";
+        public List<UpgradeRecord> GetUpgradeRecordsByVehicleId(int vehicleId)
+        {
+            using (var db = new LiteDatabase(dbName))
+            {
+                var table = db.GetCollection<UpgradeRecord>(tableName);
+                var upgradeRecords = table.Find(Query.EQ(nameof(UpgradeRecord.VehicleId), vehicleId));
+                return upgradeRecords.ToList() ?? new List<UpgradeRecord>();
+            };
+        }
+        public UpgradeRecord GetUpgradeRecordById(int upgradeRecordId)
+        {
+            using (var db = new LiteDatabase(dbName))
+            {
+                var table = db.GetCollection<UpgradeRecord>(tableName);
+                return table.FindById(upgradeRecordId);
+            };
+        }
+        public bool DeleteUpgradeRecordById(int upgradeRecordId)
+        {
+            using (var db = new LiteDatabase(dbName))
+            {
+                var table = db.GetCollection<UpgradeRecord>(tableName);
+                table.Delete(upgradeRecordId);
+                return true;
+            };
+        }
+        public bool SaveUpgradeRecordToVehicle(UpgradeRecord upgradeRecord)
+        {
+            using (var db = new LiteDatabase(dbName))
+            {
+                var table = db.GetCollection<UpgradeRecord>(tableName);
+                table.Upsert(upgradeRecord);
+                return true;
+            };
+        }
+        public bool DeleteAllUpgradeRecordsByVehicleId(int vehicleId)
+        {
+            using (var db = new LiteDatabase(dbName))
+            {
+                var table = db.GetCollection<UpgradeRecord>(tableName);
+                var upgradeRecords = table.DeleteMany(Query.EQ(nameof(UpgradeRecord.VehicleId), vehicleId));
+                return true;
+            };
+        }
+    }
+}