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CodeReviews.Console.ExcelReader.sln

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+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.5.2.0
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DocumentProcessor.yemiodetola", "DocumentProcessor.yemiodetola\DocumentProcessor.yemiodetola.csproj", "{C9D0FBE3-174F-6FCE-D2C4-7B102ACA0948}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{C9D0FBE3-174F-6FCE-D2C4-7B102ACA0948}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{C9D0FBE3-174F-6FCE-D2C4-7B102ACA0948}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{C9D0FBE3-174F-6FCE-D2C4-7B102ACA0948}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{C9D0FBE3-174F-6FCE-D2C4-7B102ACA0948}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {7166A67F-77F9-4000-A6B5-FB0681427764}
+	EndGlobalSection
+EndGlobal

DocumentProcessor.yemiodetola/Data/AppContext.cs

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+using Microsoft.EntityFrameworkCore;
+using DocumentProcessor.yemiodetola.Models;
+public class DocumentProcessorDbContext : DbContext
+{
+  public DbSet<Contact> Contacts => Set<Contact>();
+
+  protected override void OnConfiguring(DbContextOptionsBuilder options)
+  {
+    var dbName = System.AppContext.GetData("SqliteDbName") as string ?? "excel_data.db";
+    options.UseSqlite($"Data Source={dbName}");
+  }
+}

DocumentProcessor.yemiodetola/DocumentProcessor.yemiodetola.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <PropertyGroup>
+    <PdfOutputPath>./output.pdf</PdfOutputPath>
+    <SqliteDbName>excel_data.db</SqliteDbName>
+    <ExcelFilePath>./sample.xlsx</ExcelFilePath>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="ClosedXML" Version="0.105.0" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="9.0.0" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="9.0.0">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="9.0.0" />
+    <PackageReference Include="QuestPDF" Version="2025.7.4" />
+  </ItemGroup>
+
+</Project>

DocumentProcessor.yemiodetola/Migrations/20251208000159_pendingMigrations.cs

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+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace DocumentProcessor.yemiodetola.Migrations
+{
+    /// <inheritdoc />
+    public partial class pendingMigrations : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Contacts",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "INTEGER", nullable: false)
+                        .Annotation("Sqlite:Autoincrement", true),
+                    Name = table.Column<string>(type: "TEXT", nullable: false),
+                    Email = table.Column<string>(type: "TEXT", nullable: false),
+                    PhoneNumber = table.Column<string>(type: "TEXT", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Contacts", x => x.Id);
+                });
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "Contacts");
+        }
+    }
+}

DocumentProcessor.yemiodetola/Migrations/20251208214440_contextupdate.cs

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+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace DocumentProcessor.yemiodetola.Migrations
+{
+    /// <inheritdoc />
+    public partial class contextupdate : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+
+        }
+    }
+}

DocumentProcessor.yemiodetola/Migrations/AppDbContextModelSnapshot.cs

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+// <auto-generated />
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace DocumentProcessor.yemiodetola.Migrations
+{
+    [DbContext(typeof(DocumentProcessorDbContext))]
+    partial class AppDbContextModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder.HasAnnotation("ProductVersion", "9.0.0");
+
+            modelBuilder.Entity("DocumentProcessor.yemiodetola.Models.Contact", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("PhoneNumber")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Contacts");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

DocumentProcessor.yemiodetola/Models/Contact.cs

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+namespace DocumentProcessor.yemiodetola.Models;
+
+public class Contact
+{
+  public int Id { get; set; }
+  public string Name { get; set; } = string.Empty;
+  public string Email { get; set; } = string.Empty;
+  public string PhoneNumber { get; set; } = string.Empty;
+
+  public bool ValidateEmailAddress(string email)
+  {
+    if (String.IsNullOrEmpty(email))
+    {
+      return false;
+    }
+    int atIndex = email.IndexOf('@');
+    int dotIndex = email.LastIndexOf('.');
+
+    return atIndex > 0
+      && dotIndex > atIndex + 1
+      && dotIndex < email.Length - 1;
+  }
+
+  public bool ValidatePhoneNumber(string phoneNumber)
+  {
+    return !String.IsNullOrEmpty(phoneNumber)
+      && phoneNumber.Length == 11
+      && phoneNumber.StartsWith("0")
+      && phoneNumber.All(char.IsDigit);
+  }
+}

DocumentProcessor.yemiodetola/Program.cs

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+using Microsoft.Extensions.DependencyInjection;
+using System.Threading.Tasks;
+using QuestPDF.Infrastructure;
+using DocumentProcessor.yemiodetola.Services;
+
+class Program
+{
+  static async Task Main(string[] args)
+  {
+    QuestPDF.Settings.License = QuestPDF.Infrastructure.LicenseType.Community;
+
+    var services = new ServiceCollection();
+
+    services.AddSingleton<IExcelService, ExcelService>();
+    services.AddSingleton<IPdfService, PdfService>();
+    var provider = services.BuildServiceProvider();
+    var excelService = provider.GetRequiredService<IExcelService>();
+    var pdfService = provider.GetRequiredService<IPdfService>();
+
+    var excelPath = AppContext.GetData("ExcelFilePath") as string ?? "./sample.xlsx";
+    var rows = await excelService.ReadExcelAsync(excelPath);
+
+    if (rows == null || rows.Count == 0)
+    {
+      Console.WriteLine("Excel file is empty or unreadable.");
+      return;
+    }
+
+    Console.WriteLine("\nExcel File Contents:\n");
+    Console.WriteLine($"{"Name",-25} {"Email",-35} {"Phone Number",-15}");
+    Console.WriteLine(new string('-', 80));
+    foreach (var contact in rows)
+    {
+      Console.WriteLine($"{contact.Name,-25} {contact.Email,-35} {contact.PhoneNumber,-15}");
+    }
+    Console.WriteLine(new string('-', 80));
+
+    var outputPdf = AppContext.GetData("PdfOutputPath") as string ?? "./output.pdf";
+
+    await pdfService.GeneratePdfAsync(outputPdf, rows);
+
+    Console.WriteLine($"PDF generated successfully at: {outputPdf}");
+  }
+}

DocumentProcessor.yemiodetola/README.md

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+# DocumentProcessor Console App
+
+## Setup Instructions
+
+1. **Clone the repository**
+   ```sh
+   cd DocumentProcessor.yemiodetola
+   ```
+
+2. **Add your Excel file**
+   - Place your Excel file (e.g., `sample.xlsx`) in the project directory. A sample file (`sample.xlsx`) is already provided for testing.
+   - Ensure the worksheet is named `Contacts` and has columns: Name, Email, Phone Number.
+
+3. **Run the program**
+   ```sh
+   dotnet run
+   ```
+
+Enjoy!