made api less complex, changed to MongoDB instead of PostgreSQL

.github/workflows/deploy-api.yml

@@ -53,6 +53,5 @@ jobs:
           --region europe-west1  \
           --allow-unauthenticated \
           --set-env-vars ASPNETCORE_ENVIRONMENT=${{ secrets.ASPNETCORE_ENVIRONMENT }},\
-          POSTGRESQL_CONNECTION_STRING="Server=/cloudsql/${{ secrets.CLOUD_SQL_CONNECTION_NAME }};Database=${{ secrets.DB_NAME }};User Id=${{ secrets.DB_USER }};Password=${{ secrets.DB_PASSWORD }};",\
-          GOOGLE_PROJECT_NAME=${{ secrets.GOOGLE_PROJECT_NAME }} \
-          --add-cloudsql-instances ${{ secrets.CLOUD_SQL_CONNECTION_NAME }}
+          MONGO_DB_CONNECTION_STRING="${{ secrets.MONGO_DB_CONNECTION_STRING }}",\
+          GOOGLE_PROJECT_NAME=${{ secrets.GOOGLE_PROJECT_NAME }}

API/TVR.Bundesliga.API.Contracts/Requests/CreateV2TicketRequest.cs

@@ -0,0 +1,14 @@
+namespace TVR.Bundesliga.API.Contracts.Requests;
+
+public class CreateV2TicketRequest(string guestName, string? guestEmail, int includedVisits, string createdBy)
+{
+    public string GuestName { get; set; } = guestName;
+
+    public bool ShouldSendEmail { get; set; } = false;
+
+    public string? GuestEmail { get; set; } = guestEmail;
+
+    public int IncludedVisits { get; set; } = includedVisits;
+
+    public string CreatedBy { get; set; } = createdBy;
+}

API/TVR.Bundesliga.API.Core/Commands/AddV2TicketCommand.cs

@@ -0,0 +1,11 @@
+using MediatR;
+using TVR.Bundesliga.API.Domain.Models;
+
+namespace TVR.Bundesliga.API.Core.Commands;
+
+public record AddV2TicketCommand(
+    string GuestName,
+    bool ShouldSendEmail,
+    string? GuestEmail,
+    int IncludedVisits,
+    string CreatedBy) : IRequest<V2Ticket>;

API/TVR.Bundesliga.API.Core/Queries/GetTicketByIdQuery.cs

@@ -3,4 +3,4 @@
 
 namespace TVR.Bundesliga.API.Core.Queries;
 
-public record GetTicketByIdQuery(int TicketId) : IRequest<Ticket?>;
+public record GetTicketByIdQuery(string TicketId) : IRequest<V2Ticket>;

API/TVR.Bundesliga.API.Core/UseCases/AddV2TicketUseCase.cs

@@ -0,0 +1,53 @@
+using MediatR;
+using MongoDB.Driver;
+using QRCoder;
+using TVR.Bundesliga.API.Core.Commands;
+using TVR.Bundesliga.API.Domain.Models;
+
+namespace TVR.Bundesliga.API.Core.UseCases;
+
+public class AddV2TicketUseCase(IMongoClient mongoClient) : IRequestHandler<AddV2TicketCommand, V2Ticket>
+{
+    public async Task<V2Ticket> Handle(AddV2TicketCommand request, CancellationToken cancellationToken)
+    {
+        var name = request.GuestName;
+        var includedVisits = request.IncludedVisits;
+        var shouldSendEmail = request.ShouldSendEmail;
+        var creator = request.CreatedBy;
+        var mailAddress = string.Empty;
+        if (shouldSendEmail)
+        {
+            mailAddress = request.GuestEmail;
+        }
+
+        var ticketId = Guid.NewGuid();
+        var qrcodeGen = new QRCodeGenerator();
+        var data = qrcodeGen.CreateQrCode(ticketId.ToString(), QRCodeGenerator.ECCLevel.Q);
+        var base64String = new Base64QRCode(data);
+        var qrCodeDetails = new QrCodeDetails(string.Empty, base64String.GetGraphic(20));
+        var newTicket = new V2Ticket(
+            ticketId.ToString(),
+            name,
+            mailAddress,
+            includedVisits,
+            includedVisits,
+            0,
+            shouldSendEmail,
+            DateTimeOffset.UtcNow,
+            creator,
+            qrCodeDetails,
+            []);
+
+        var dbName = Environment.GetEnvironmentVariable("MONGO_DB_DATABASE_NAME");
+        if (dbName is null)
+        {
+            throw new ArgumentNullException();
+        }
+
+        var database = mongoClient.GetDatabase(dbName);
+        var collection = database.GetCollection<V2Ticket>("Tickets");
+        await collection.InsertOneAsync(newTicket, null, cancellationToken);
+
+        return newTicket;
+    }
+}