feat: pivot to social media workflow app

backend/Modules/Projects/Handlers/CreateProject.cs

@@ -0,0 +1,115 @@
+using Socialize.Infrastructure.Security;
+namespace Socialize.Modules.Projects.Handlers;
+
+public record CreateProjectRequest(
+    Guid WorkspaceId,
+    Guid ClientId,
+    string Name,
+    DateTimeOffset StartDate,
+    DateTimeOffset EndDate,
+    string? Description,
+    string? Notes);
+
+public class CreateProjectRequestValidator
+    : Validator<CreateProjectRequest>
+{
+    public CreateProjectRequestValidator()
+    {
+        RuleFor(x => x.WorkspaceId).NotEmpty();
+        RuleFor(x => x.ClientId).NotEmpty();
+        RuleFor(x => x.Name).NotEmpty().MaximumLength(256);
+        RuleFor(x => x.StartDate).NotEmpty();
+        RuleFor(x => x.EndDate)
+            .NotEmpty()
+            .GreaterThanOrEqualTo(x => x.StartDate);
+        RuleFor(x => x.Description).MaximumLength(4000);
+        RuleFor(x => x.Notes).MaximumLength(4000);
+    }
+}
+
+public class CreateProjectHandler(
+    AppDbContext dbContext,
+    AccessScopeService accessScopeService)
+    : Endpoint<CreateProjectRequest, ProjectDto>
+{
+    public override void Configure()
+    {
+        Post("/api/projects");
+        Options(o => o.WithTags("Projects"));
+    }
+
+    public override async Task HandleAsync(CreateProjectRequest request, CancellationToken ct)
+    {
+        if (!accessScopeService.CanManageWorkspace(User, request.WorkspaceId))
+        {
+            await SendForbiddenAsync(ct);
+            return;
+        }
+
+        bool workspaceExists = await dbContext.Workspaces
+            .AnyAsync(workspace => workspace.Id == request.WorkspaceId, ct);
+
+        if (!workspaceExists)
+        {
+            AddError(request => request.WorkspaceId, "The selected workspace does not exist.");
+            await SendErrorsAsync(StatusCodes.Status400BadRequest, ct);
+            return;
+        }
+
+        bool clientExists = await dbContext.Clients
+            .AnyAsync(
+                client => client.Id == request.ClientId && client.WorkspaceId == request.WorkspaceId,
+                ct);
+
+        if (!clientExists)
+        {
+            AddError(request => request.ClientId, "The selected client does not belong to the active workspace.");
+            await SendErrorsAsync(StatusCodes.Status400BadRequest, ct);
+            return;
+        }
+
+        string normalizedName = request.Name.Trim();
+
+        bool duplicateProject = await dbContext.Projects
+            .AnyAsync(
+                project => project.ClientId == request.ClientId && project.Name == normalizedName,
+                ct);
+
+        if (duplicateProject)
+        {
+            AddError(request => request.Name, "A project with this name already exists for the selected client.");
+            await SendErrorsAsync(StatusCodes.Status409Conflict, ct);
+            return;
+        }
+
+        Project project = new()
+        {
+            Id = Guid.NewGuid(),
+            WorkspaceId = request.WorkspaceId,
+            ClientId = request.ClientId,
+            Name = normalizedName,
+            Description = string.IsNullOrWhiteSpace(request.Description) ? null : request.Description.Trim(),
+            Notes = string.IsNullOrWhiteSpace(request.Notes) ? null : request.Notes.Trim(),
+            Status = "Planned",
+            StartDate = request.StartDate,
+            EndDate = request.EndDate,
+            CreatedAt = DateTimeOffset.UtcNow,
+        };
+
+        dbContext.Projects.Add(project);
+        await dbContext.SaveChangesAsync(ct);
+
+        ProjectDto dto = new(
+            project.Id,
+            project.WorkspaceId,
+            project.ClientId,
+            project.Name,
+            project.Description,
+            project.Notes,
+            project.Status,
+            project.StartDate,
+            project.EndDate);
+
+        await SendAsync(dto, StatusCodes.Status201Created, ct);
+    }
+}