FlashCard Project

silvermax.FlashCards/Controllers/DatabaseController.cs

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+using Microsoft.Data.SqlClient;
+using Dapper;
+
+namespace silvermax.FlashCards.Controllers;
+
+internal class DatabaseController
+{
+    private readonly DbConfig dbConfig = new();
+    public void InitTables()
+    {
+        using (var masterCon = new SqlConnection(dbConfig.MasterConnectionString))
+        {
+            masterCon.Open();
+
+            masterCon.Execute("IF NOT EXISTS (SELECT * FROM sys.databases WHERE name = 'flashcardDB') CREATE DATABASE flashcardDB");
+        }
+
+        using (var connection = new SqlConnection(dbConfig.ConnectionString))
+        {
+            connection.Open();
+
+            string createStackTableSql = @"
+                    IF NOT EXISTS (SELECT * FROM sys.tables WHERE name = 'Stacks')
+                    BEGIN
+                        CREATE TABLE Stacks (
+                            Id INT PRIMARY KEY IDENTITY(1,1),
+                            StackName NVARCHAR(50) NOT NULL
+                        )
+                    END";
+
+            string createCardTableSql = @"
+                    IF NOT EXISTS (SELECT * FROM sys.tables WHERE name = 'Flashcards')
+                    BEGIN
+                        CREATE TABLE Flashcards (
+                            Id INT PRIMARY KEY IDENTITY(1,1),
+                            StackId INT NOT NULL,
+                            Word NVARCHAR(50),
+                            Translation NVARCHAR(50)
+                            CONSTRAINT FK_Flashcards_Stacks FOREIGN KEY (StackId)
+                                REFERENCES Stacks(Id) ON DELETE CASCADE
+                        )
+                    END";
+
+            string createSessionTableSql = @"
+                    IF NOT EXISTS (SELECT * FROM sys.tables WHERE name = 'Sessions')
+                    BEGIN
+                        CREATE TABLE Sessions (
+                            Id INT PRIMARY KEY IDENTITY(1,1),
+                            Date DATETIME2 NOT NULL,
+                            Score INT NOT NULL
+                        )
+                    END";
+            connection.Execute(createStackTableSql);
+            connection.Execute(createCardTableSql);
+            connection.Execute(createSessionTableSql);
+        }
+    }
+}

silvermax.FlashCards/Controllers/FlashCardController.cs

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+using Dapper;
+using Microsoft.Data.SqlClient;
+using silvermax.FlashCards.DtOs;
+using silvermax.FlashCards.Models;
+using Spectre.Console;
+using static silvermax.FlashCards.Enums;
+
+namespace silvermax.FlashCards.Controllers;
+
+internal class FlashCardController
+{
+    private readonly DatabaseHelper db = new();
+    StacksController controller = new();
+    UserInput input = new();
+    public void Start()
+    {
+        var choice = AnsiConsole.Prompt(
+        new SelectionPrompt<ManageFlashCard>()
+        .Title("Choose an action to do on flashcards")
+        .UseConverter(e => Enums.ToDisplayName(e))
+        .AddChoices(Enum.GetValues<ManageFlashCard>()));
+
+        switch (choice)
+        {
+            case ManageFlashCard.AddFlashcard:
+                AddFlashCard();
+                break;
+
+            case ManageFlashCard.EditFlashcard:
+                EditFlashCard();
+                break;
+
+            case ManageFlashCard.DeleteFlashcard:
+                DeleteFlashCard();
+                break;
+
+            case ManageFlashCard.ViewAllFlashcards:
+                ViewAllFlashCards();
+                break;
+
+            case ManageFlashCard.Back:
+                return;
+        }
+    }
+
+    private void ViewAllFlashCards()
+    {
+        using (var connection = db.GetConnection())
+        {
+
+            var cards = connection.Query<FlashCardResponseDto>("SELECT * FROM Flashcards").ToList();
+
+            AnsiConsole.Write(UIHelper.BuildFlashCardTable(cards));
+        }
+
+        AnsiConsole.MarkupLine("Press Any Key to continue...");
+        Console.ReadKey();
+    }
+
+    private void DeleteFlashCard()
+    {
+        var word = AnsiConsole.Ask<string>("Please enter the word of the FlashCard you want to delete: ");
+
+        if (!db.FlashCardExists(word))
+        {
+            AnsiConsole.MarkupLine($"[red]FlashCard with word {word} does not exist.[/]");
+            UIHelper.PressAnyKey();
+            return;
+        }
+
+        using (var connection = db.GetConnection())
+        {
+            connection.Execute("DELETE FROM Flashcards WHERE Word = @Word", new { Word = word });
+
+            AnsiConsole.MarkupLine($"[green]Flashcard with word {word} deleted successfully[/]");
+        }
+
+        UIHelper.PressAnyKey();
+    }
+
+    private void EditFlashCard()
+    {
+        var wordToChange = AnsiConsole.Ask<string>("Please enter the word of the FlashCard you want to delete: ");
+        var (word, translation) = input.GetUserInput();
+
+        if (!db.FlashCardExists(wordToChange))
+        {
+            AnsiConsole.MarkupLine($"[red]FlashCard with word {wordToChange} does not exist.[/]");
+            UIHelper.PressAnyKey();
+            return;
+        }
+
+        using (var connection = db.GetConnection())
+        {
+
+            string updatesql = "UPDATE Flashcards SET Word = @NewWord, Translation = @Translation WHERE Word = @Word";
+
+            var cardToUpdate = new 
+            {
+                NewWord = wordToChange,
+                Word = word,
+                Translation = translation,
+            };
+
+            connection.Execute(updatesql, cardToUpdate);
+
+            AnsiConsole.MarkupLine($"[green]FlashCard with word {word} updated successfully[/]");
+        }
+
+        UIHelper.PressAnyKey();
+    }
+
+    private void AddFlashCard()
+    {
+        var (word, translation) = input.GetUserInput();
+        controller.GetAllStacks();
+        var stackName = AnsiConsole.Ask<string>("Please enter the Id of the Stack that this flashcard will be added to: ");
+
+        using (var connection = db.GetConnection())
+        {
+            var stackId = db.GetStackId(stackName);
+
+            if (!db.StackExists(stackId))
+            {
+                AnsiConsole.MarkupLine($"[red]Stack {stackName} does not exist.[/].");
+                UIHelper.PressAnyKey();
+                return;
+            }
+
+            string insertSql = """
+                        IF NOT EXISTS (SELECT 1 FROM Flashcards WHERE StackId = @StackId AND Word = @Word)
+                            INSERT INTO Flashcards (StackId, Word, Translation) VALUES (@StackId, @Word, @Translation)
+                        """;
+
+            var entry = new FlashCard
+            {
+                StackId = stackId,
+                Word = word,
+                Translation = translation
+            };
+
+            int rowsAffected = connection.Execute(insertSql, entry);
+
+            if (rowsAffected <= 0)
+            {
+                AnsiConsole.MarkupLine($"[red]'{word}' already exists in the database[/]");
+            }
+            else
+            {
+                AnsiConsole.MarkupLine($"[green]Flashcard added sucessfully to the database[/]");
+            }
+        }
+
+        AnsiConsole.MarkupLine("Press Any Key to continue...");
+        Console.ReadKey();
+    }
+}