ReadFromSQLite

TravelAgency.Logic/ReadExcelFromZip.cs

@@ -1,6 +1,74 @@
 namespace TravelAgency.Logic
 {
+    using System;
+    using System.Collections.Generic;
+    using System.Data;
+    using System.Data.OleDb;
+    using System.IO;
+    using System.IO.Compression;
+    using Data;
+    using Model;
+
     public class ReadExcelFromZip
     {
+        private static string extractPath = "../../../ExcelFiles";
+
+        public void SelectExcelFilesFromZip(string path)
+        {
+            using (ZipArchive archive = ZipFile.Open(path, ZipArchiveMode.Update))
+            {
+                foreach (ZipArchiveEntry entry in archive.Entries)
+                {
+                    if (entry.FullName.EndsWith(".xlsx"))
+                    {
+                        entry.ExtractToFile(Path.Combine(extractPath, entry.Name));
+                        string connectionString = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + Path.Combine(extractPath, entry.Name) + ";Extended Properties='Excel 12.0 xml;HDR=Yes';";
+
+                        OleDbConnection connection = new OleDbConnection(connectionString);
+
+                        using (connection)
+                        {
+                            connection.Open();
+                            var excelSchema = connection.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, null);
+                            var sheetName = excelSchema.Rows[0]["TABLE_NAME"].ToString();
+
+                            this.ReadExcelData(connection, sheetName);
+                        }
+                    }
+                }
+            }
+        }
+
+        private void ReadExcelData(OleDbConnection conn, string sheetName)
+        {
+            Console.WriteLine("Reading data...");
+            var excelDbCommand = new OleDbCommand(@"SELECT * FROM [" + sheetName + "]", conn);
+
+            using (var oleDbDataAdapter = new OleDbDataAdapter(excelDbCommand))
+            {
+                DataSet ds = new DataSet();
+                oleDbDataAdapter.Fill(ds);
+                var destinations = new List<Destination>();
+                using (var reader = ds.CreateDataReader())
+                {
+                    while (reader.Read())
+                    {
+                        var destination = new Destination();
+                        destination.Country = reader["Country"].ToString();
+                        destination.Distance = double.Parse(reader["Distance"].ToString());
+                        destination.LuxuryFactor = int.Parse(reader["LuxuryFactor"].ToString());
+                        destinations.Add(destination);
+                    }
+                }
+
+                var db = new TravelAgencyDbContext();
+                foreach (var destination in destinations)
+                {
+                    db.Destinations.Add(destination);
+                }
+
+                db.SaveChanges();
+            }
+        }
     }
-}
+}

TravelAgency.Logic/ReadFromSQLite.cs

@@ -0,0 +1,22 @@
+namespace TravelAgency.Logic
+{
+    using System;
+    using System.Data.SQLite;
+
+    public class ReadFromSQLite
+    {
+        public void ReadDataFromSQLLite()
+        {
+            SQLiteConnection.CreateFile("TravelAgency.sqlite");
+            SQLiteConnection dataBaseConnection = new SQLiteConnection("Data Source=MyDatabase.sqlite;Version=3;");
+            dataBaseConnection.Open();
+            string sql1 = "select * from Expenses";
+            SQLiteCommand command1 = new SQLiteCommand(sql1, dataBaseConnection);
+            SQLiteDataReader reader = command1.ExecuteReader();
+            while (reader.Read())
+            {
+                Console.WriteLine("ID - {0} Hotel - {1}, Transport - {2}", reader["ExpensesId"], reader["HotelExpenses"], reader["TransportExpenses"]);
+            }
+        }
+    }
+}

TravelAgency.Logic/TravelAgency.Logic.csproj

@@ -50,7 +50,13 @@
     <Reference Include="System" />
     <Reference Include="System.ComponentModel.DataAnnotations" />
     <Reference Include="System.Core" />
+    <Reference Include="System.Data.SQLite">
+      <HintPath>.\System.Data.SQLite.dll</HintPath>
+    </Reference>
     <Reference Include="System.Drawing" />
+    <Reference Include="System.IO.Compression" />
+    <Reference Include="System.IO.Compression.FileSystem" />
+    <Reference Include="System.IO.Log" />
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
     <Reference Include="Microsoft.CSharp" />
@@ -63,6 +69,7 @@
     <Compile Include="PdfGenerator.cs" />
     <Compile Include="ReadExcelFromZip.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="ReadFromSQLite.cs" />
     <Compile Include="XMLGenerator.cs" />
   </ItemGroup>
   <ItemGroup>