backend/Controllers/AnnouncementsController.cs

@@ -0,0 +1,252 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+using RacePlannerApi.Data;
+using RacePlannerApi.DTOs;
+using RacePlannerApi.Models;
+
+namespace RacePlannerApi.Controllers;
+
+[ApiController]
+[Route("api/[controller]")]
+[Authorize]
+public class AnnouncementsController : ControllerBase
+{
+    private readonly RacePlannerDbContext _context;
+
+    public AnnouncementsController(RacePlannerDbContext context)
+    {
+        _context = context;
+    }
+
+    [HttpPost]
+    [Authorize(Roles = "Organizer")]
+    public async Task<ActionResult<AnnouncementDto>> CreateAnnouncement(CreateAnnouncementRequest request)
+    {
+        var userId = GetCurrentUserId();
+        if (userId == null)
+        {
+            return Unauthorized();
+        }
+
+        // Verify event exists and user is organizer
+        var eventEntity = await _context.Events
+            .FirstOrDefaultAsync(e => e.Id == request.EventId);
+
+        if (eventEntity == null)
+        {
+            return NotFound(new { error = "Event not found" });
+        }
+
+        if (eventEntity.OrganizerId != userId.Value)
+        {
+            return Forbid();
+        }
+
+        var announcement = new Announcement
+        {
+            EventId = request.EventId,
+            Title = request.Title,
+            Content = request.Content,
+            AuthorId = userId.Value,
+            IsPublished = true
+        };
+
+        _context.Announcements.Add(announcement);
+        await _context.SaveChangesAsync();
+
+        // Load related data
+        await _context.Entry(announcement)
+            .Reference(a => a.Event)
+            .LoadAsync();
+        await _context.Entry(announcement)
+            .Reference(a => a.Author)
+            .LoadAsync();
+
+        // TODO: Send notifications to registered participants (Task 7.7)
+
+        return CreatedAtAction(
+            nameof(GetAnnouncement),
+            new { id = announcement.Id },
+            MapToAnnouncementDto(announcement));
+    }
+
+    [HttpGet("{id}")]
+    public async Task<ActionResult<AnnouncementDto>> GetAnnouncement(Guid id)
+    {
+        var announcement = await _context.Announcements
+            .Include(a => a.Event)
+            .Include(a => a.Author)
+            .FirstOrDefaultAsync(a => a.Id == id);
+
+        if (announcement == null)
+        {
+            return NotFound();
+        }
+
+        // Only show published announcements to participants
+        if (!announcement.IsPublished)
+        {
+            var userId = GetCurrentUserId();
+            if (userId == null || announcement.Event.OrganizerId != userId.Value)
+            {
+                return NotFound();
+            }
+        }
+
+        return Ok(MapToAnnouncementDto(announcement));
+    }
+
+    [HttpGet("event/{eventId}")]
+    public async Task<ActionResult<IEnumerable<AnnouncementDto>>> GetEventAnnouncements(Guid eventId)
+    {
+        var userId = GetCurrentUserId();
+        var isOrganizer = false;
+
+        if (userId != null)
+        {
+            isOrganizer = await _context.Events
+                .AnyAsync(e => e.Id == eventId && e.OrganizerId == userId.Value);
+        }
+
+        var query = _context.Announcements
+            .Include(a => a.Event)
+            .Include(a => a.Author)
+            .Where(a => a.EventId == eventId)
+            .AsQueryable();
+
+        // Only show published announcements to non-organizers
+        if (!isOrganizer)
+        {
+            query = query.Where(a => a.IsPublished);
+        }
+
+        var announcements = await query
+            .OrderByDescending(a => a.CreatedAt)
+            .ToListAsync();
+
+        return Ok(announcements.Select(MapToAnnouncementDto));
+    }
+
+    [HttpPut("{id}")]
+    [Authorize(Roles = "Organizer")]
+    public async Task<ActionResult<AnnouncementDto>> UpdateAnnouncement(Guid id, UpdateAnnouncementRequest request)
+    {
+        var userId = GetCurrentUserId();
+        if (userId == null)
+        {
+            return Unauthorized();
+        }
+
+        var announcement = await _context.Announcements
+            .Include(a => a.Event)
+            .Include(a => a.Author)
+            .FirstOrDefaultAsync(a => a.Id == id);
+
+        if (announcement == null)
+        {
+            return NotFound();
+        }
+
+        // Only organizer can update
+        if (announcement.Event.OrganizerId != userId.Value)
+        {
+            return Forbid();
+        }
+
+        // Update fields
+        if (request.Title != null) announcement.Title = request.Title;
+        if (request.Content != null) announcement.Content = request.Content;
+        if (request.IsPublished.HasValue) announcement.IsPublished = request.IsPublished.Value;
+
+        announcement.UpdatedAt = DateTime.UtcNow;
+
+        await _context.SaveChangesAsync();
+
+        return Ok(MapToAnnouncementDto(announcement));
+    }
+
+    [HttpDelete("{id}")]
+    [Authorize(Roles = "Organizer")]
+    public async Task<IActionResult> DeleteAnnouncement(Guid id)
+    {
+        var userId = GetCurrentUserId();
+        if (userId == null)
+        {
+            return Unauthorized();
+        }
+
+        var announcement = await _context.Announcements
+            .Include(a => a.Event)
+            .FirstOrDefaultAsync(a => a.Id == id);
+
+        if (announcement == null)
+        {
+            return NotFound();
+        }
+
+        // Only organizer can delete
+        if (announcement.Event.OrganizerId != userId.Value)
+        {
+            return Forbid();
+        }
+
+        _context.Announcements.Remove(announcement);
+        await _context.SaveChangesAsync();
+
+        return NoContent();
+    }
+
+    [HttpGet("my-announcements")]
+    public async Task<ActionResult<IEnumerable<AnnouncementDto>>> GetMyAnnouncements()
+    {
+        var userId = GetCurrentUserId();
+        if (userId == null)
+        {
+            return Unauthorized();
+        }
+
+        // Get user registrations
+        var userRegistrationEventIds = await _context.Registrations
+            .Where(r => r.ParticipantId == userId.Value && r.Status != RegistrationStatus.Cancelled)
+            .Select(r => r.EventId)
+            .ToListAsync();
+
+        // Get announcements for those events
+        var announcements = await _context.Announcements
+            .Include(a => a.Event)
+            .Include(a => a.Author)
+            .Where(a => userRegistrationEventIds.Contains(a.EventId) && a.IsPublished)
+            .OrderByDescending(a => a.CreatedAt)
+            .ToListAsync();
+
+        return Ok(announcements.Select(MapToAnnouncementDto));
+    }
+
+    private Guid? GetCurrentUserId()
+    {
+        var userIdClaim = User.FindFirst(System.Security.Claims.ClaimTypes.NameIdentifier)?.Value;
+        if (Guid.TryParse(userIdClaim, out var userId))
+        {
+            return userId;
+        }
+        return null;
+    }
+
+    private static AnnouncementDto MapToAnnouncementDto(Announcement announcement)
+    {
+        return new AnnouncementDto
+        {
+            Id = announcement.Id,
+            EventId = announcement.EventId,
+            EventName = announcement.Event?.Name ?? string.Empty,
+            Title = announcement.Title,
+            Content = announcement.Content,
+            AuthorId = announcement.AuthorId,
+            AuthorName = announcement.Author?.Name ?? string.Empty,
+            CreatedAt = announcement.CreatedAt,
+            UpdatedAt = announcement.UpdatedAt,
+            IsPublished = announcement.IsPublished
+        };
+    }
+}

backend/Controllers/DashboardController.cs

@@ -0,0 +1,167 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+using RacePlannerApi.Data;
+using RacePlannerApi.DTOs;
+using RacePlannerApi.Models;
+
+namespace RacePlannerApi.Controllers;
+
+[ApiController]
+[Route("api/[controller]")]
+[Authorize]
+public class DashboardController : ControllerBase
+{
+    private readonly RacePlannerDbContext _context;
+
+    public DashboardController(RacePlannerDbContext context)
+    {
+        _context = context;
+    }
+
+    [HttpGet("organizer")]
+    [Authorize(Roles = "Organizer")]
+    public async Task<ActionResult<OrganizerDashboardDto>> GetOrganizerDashboard()
+    {
+        var userId = GetCurrentUserId();
+        if (userId == null)
+        {
+            return Unauthorized();
+        }
+
+        var events = await _context.Events
+            .Include(e => e.Registrations)
+            .ThenInclude(r => r.Payments)
+            .Where(e => e.OrganizerId == userId.Value)
+            .ToListAsync();
+
+        var totalEvents = events.Count;
+        var publishedEvents = events.Count(e => e.Status == EventStatus.Published);
+        var draftEvents = events.Count(e => e.Status == EventStatus.Draft);
+
+        var allRegistrations = events.SelectMany(e => e.Registrations).ToList();
+        var totalRegistrations = allRegistrations.Count;
+        var pendingRegistrations = allRegistrations.Count(r => r.Status == RegistrationStatus.Pending);
+        var confirmedRegistrations = allRegistrations.Count(r => r.Status == RegistrationStatus.Confirmed);
+        var cancelledRegistrations = allRegistrations.Count(r => r.Status == RegistrationStatus.Cancelled);
+
+        var totalRevenue = allRegistrations
+            .SelectMany(r => r.Payments)
+            .Sum(p => p.Amount);
+
+        var upcomingEvents = events
+            .Where(e => e.EventDate >= DateTime.UtcNow && e.EventDate <= DateTime.UtcNow.AddDays(30))
+            .OrderBy(e => e.EventDate)
+            .Take(5)
+            .Select(e => new EventSummaryDto
+            {
+                Id = e.Id,
+                Name = e.Name,
+                EventDate = e.EventDate,
+                Location = e.Location,
+                RegistrationCount = e.Registrations.Count(r => r.Status != RegistrationStatus.Cancelled),
+                MaxParticipants = e.MaxParticipants
+            })
+            .ToList();
+
+        var eventsNearCapacity = events
+            .Where(e => e.MaxParticipants.HasValue && e.Status == EventStatus.Published)
+            .Select(e => new EventCapacityDto
+            {
+                Id = e.Id,
+                Name = e.Name,
+                EventDate = e.EventDate,
+                RegistrationCount = e.Registrations.Count(r => r.Status != RegistrationStatus.Cancelled),
+                MaxParticipants = e.MaxParticipants
+            })
+            .Where(e => e.CapacityPercentage >= 80)
+            .OrderByDescending(e => e.CapacityPercentage)
+            .Take(5)
+            .ToList();
+
+        var dashboard = new OrganizerDashboardDto
+        {
+            TotalEvents = totalEvents,
+            PublishedEvents = publishedEvents,
+            DraftEvents = draftEvents,
+            TotalRegistrations = totalRegistrations,
+            PendingRegistrations = pendingRegistrations,
+            ConfirmedRegistrations = confirmedRegistrations,
+            CancelledRegistrations = cancelledRegistrations,
+            TotalRevenue = totalRevenue,
+            UpcomingEvents = upcomingEvents,
+            EventsNearCapacity = eventsNearCapacity
+        };
+
+        return Ok(dashboard);
+    }
+
+    [HttpGet("participant")]
+    public async Task<ActionResult<ParticipantDashboardDto>> GetParticipantDashboard()
+    {
+        var userId = GetCurrentUserId();
+        if (userId == null)
+        {
+            return Unauthorized();
+        }
+
+        var registrations = await _context.Registrations
+            .Include(r => r.Event)
+            .Where(r => r.ParticipantId == userId.Value)
+            .ToListAsync();
+
+        var totalRegistrations = registrations.Count;
+        var upcomingEvents = registrations.Count(r => r.Event.EventDate >= DateTime.UtcNow && r.Status != RegistrationStatus.Cancelled);
+        var completedEvents = registrations.Count(r => r.Event.EventDate < DateTime.UtcNow && r.Status == RegistrationStatus.Completed);
+        var cancelledRegistrations = registrations.Count(r => r.Status == RegistrationStatus.Cancelled);
+
+        var registrationSummaries = registrations
+            .OrderByDescending(r => r.Event.EventDate)
+            .Take(10)
+            .Select(r => new RegistrationSummaryDto
+            {
+                Id = r.Id,
+                EventId = r.EventId,
+                EventName = r.Event.Name,
+                EventDate = r.Event.EventDate,
+                Status = r.Status.ToString(),
+                RegisteredAt = r.CreatedAt
+            })
+            .ToList();
+
+        var upcomingEventList = registrations
+            .Where(r => r.Event.EventDate >= DateTime.UtcNow && r.Status != RegistrationStatus.Cancelled)
+            .OrderBy(r => r.Event.EventDate)
+            .Take(5)
+            .Select(r => new UpcomingEventDto
+            {
+                Id = r.EventId,
+                Name = r.Event.Name,
+                EventDate = r.Event.EventDate,
+                Location = r.Event.Location
+            })
+            .ToList();
+
+        var dashboard = new ParticipantDashboardDto
+        {
+            TotalRegistrations = totalRegistrations,
+            UpcomingEvents = upcomingEvents,
+            CompletedEvents = completedEvents,
+            CancelledRegistrations = cancelledRegistrations,
+            MyRegistrations = registrationSummaries,
+            UpcomingEventList = upcomingEventList
+        };
+
+        return Ok(dashboard);
+    }
+
+    private Guid? GetCurrentUserId()
+    {
+        var userIdClaim = User.FindFirst(System.Security.Claims.ClaimTypes.NameIdentifier)?.Value;
+        if (Guid.TryParse(userIdClaim, out var userId))
+        {
+            return userId;
+        }
+        return null;
+    }
+}

backend/DTOs/AnnouncementDtos.cs

@@ -0,0 +1,42 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace RacePlannerApi.DTOs;
+
+public class CreateAnnouncementRequest
+{
+    [Required]
+    public Guid EventId { get; set; }
+
+    [Required]
+    [MaxLength(200)]
+    public string Title { get; set; } = string.Empty;
+
+    [Required]
+    [MaxLength(5000)]
+    public string Content { get; set; } = string.Empty;
+}
+
+public class UpdateAnnouncementRequest
+{
+    [MaxLength(200)]
+    public string? Title { get; set; }
+
+    [MaxLength(5000)]
+    public string? Content { get; set; }
+
+    public bool? IsPublished { get; set; }
+}
+
+public class AnnouncementDto
+{
+    public Guid Id { get; set; }
+    public Guid EventId { get; set; }
+    public string EventName { get; set; } = string.Empty;
+    public string Title { get; set; } = string.Empty;
+    public string Content { get; set; } = string.Empty;
+    public Guid AuthorId { get; set; }
+    public string AuthorName { get; set; } = string.Empty;
+    public DateTime CreatedAt { get; set; }
+    public DateTime? UpdatedAt { get; set; }
+    public bool IsPublished { get; set; }
+}

backend/DTOs/DashboardDtos.cs

@@ -0,0 +1,66 @@
+namespace RacePlannerApi.DTOs;
+
+public class OrganizerDashboardDto
+{
+    public int TotalEvents { get; set; }
+    public int PublishedEvents { get; set; }
+    public int DraftEvents { get; set; }
+    public int TotalRegistrations { get; set; }
+    public int PendingRegistrations { get; set; }
+    public int ConfirmedRegistrations { get; set; }
+    public int CancelledRegistrations { get; set; }
+    public decimal TotalRevenue { get; set; }
+    public List<EventSummaryDto> UpcomingEvents { get; set; } = new();
+    public List<EventCapacityDto> EventsNearCapacity { get; set; } = new();
+}
+
+public class EventSummaryDto
+{
+    public Guid Id { get; set; }
+    public string Name { get; set; } = string.Empty;
+    public DateTime EventDate { get; set; }
+    public string Location { get; set; } = string.Empty;
+    public int RegistrationCount { get; set; }
+    public int? MaxParticipants { get; set; }
+}
+
+public class EventCapacityDto
+{
+    public Guid Id { get; set; }
+    public string Name { get; set; } = string.Empty;
+    public DateTime EventDate { get; set; }
+    public int RegistrationCount { get; set; }
+    public int? MaxParticipants { get; set; }
+    public double CapacityPercentage => MaxParticipants.HasValue && MaxParticipants.Value > 0
+        ? (double)RegistrationCount / MaxParticipants.Value * 100
+        : 0;
+}
+
+public class ParticipantDashboardDto
+{
+    public int TotalRegistrations { get; set; }
+    public int UpcomingEvents { get; set; }
+    public int CompletedEvents { get; set; }
+    public int CancelledRegistrations { get; set; }
+    public List<RegistrationSummaryDto> MyRegistrations { get; set; } = new();
+    public List<UpcomingEventDto> UpcomingEventList { get; set; } = new();
+}
+
+public class RegistrationSummaryDto
+{
+    public Guid Id { get; set; }
+    public Guid EventId { get; set; }
+    public string EventName { get; set; } = string.Empty;
+    public DateTime EventDate { get; set; }
+    public string Status { get; set; } = string.Empty;
+    public DateTime RegisteredAt { get; set; }
+}
+
+public class UpcomingEventDto
+{
+    public Guid Id { get; set; }
+    public string Name { get; set; } = string.Empty;
+    public DateTime EventDate { get; set; }
+    public string Location { get; set; } = string.Empty;
+    public int DaysUntil => (EventDate - DateTime.UtcNow).Days;
+}

openspec/changes/new-raceplanner-app/tasks.md

@@ -18,20 +18,20 @@
 
 ## 3. User Authentication (user-auth)
 
-- [ ] 3.1 Implement user registration endpoint
+- [x] 3.1 Implement user registration endpoint
-- [ ] 3.2 Implement user login endpoint with JWT
+- [x] 3.2 Implement user login endpoint with JWT
-- [ ] 3.3 Create authentication middleware
+- [x] 3.3 Create authentication middleware
-- [ ] 3.4 Implement role-based access control middleware
+- [x] 3.4 Implement role-based access control middleware
 - [ ] 3.5 Create registration form component
 - [ ] 3.6 Create login form component
 - [ ] 3.7 Implement logout functionality
 
 ## 4. Event Management (event-management)
 
-- [ ] 4.1 Implement create event endpoint
+- [x] 4.1 Implement create event endpoint
-- [ ] 4.2 Implement update event endpoint
+- [x] 4.2 Implement update event endpoint
-- [ ] 4.3 Implement list events endpoint with filtering
+- [x] 4.3 Implement list events endpoint with filtering
-- [ ] 4.4 Implement get event details endpoint
+- [x] 4.4 Implement get event details endpoint
 - [ ] 4.5 Create event creation form component
 - [ ] 4.6 Create event editing form component
 - [ ] 4.7 Create event list view with filters
@@ -39,36 +39,36 @@
 
 ## 5. Registration System (registration-system)
 
-- [ ] 5.1 Implement registration endpoint
+- [x] 5.1 Implement registration endpoint
-- [ ] 5.2 Implement registration status update endpoint
+- [x] 5.2 Implement registration status update endpoint
-- [ ] 5.3 Implement cancel registration endpoint
+- [x] 5.3 Implement cancel registration endpoint
 - [ ] 5.4 Create registration form component
 - [ ] 5.5 Create my registrations list component
 - [ ] 5.6 Implement registration status display
 
 ## 6. Payment Tracking (payment-tracking)
 
-- [ ] 6.1 Implement record payment endpoint
+- [x] 6.1 Implement record payment endpoint
-- [ ] 6.2 Implement payment status endpoint
+- [x] 6.2 Implement payment status endpoint
-- [ ] 6.3 Implement payment report endpoint
+- [x] 6.3 Implement payment report endpoint
 - [ ] 6.4 Create payment recording form component
 - [ ] 6.5 Create payment status display component
 - [ ] 6.6 Create payment report view
 
 ## 7. Announcements (announcements)
 
-- [ ] 7.1 Implement create announcement endpoint
+- [x] 7.1 Implement create announcement endpoint
-- [ ] 7.2 Implement edit announcement endpoint
+- [x] 7.2 Implement edit announcement endpoint
-- [ ] 7.3 Implement delete announcement endpoint
+- [x] 7.3 Implement delete announcement endpoint
-- [ ] 7.4 Implement list announcements endpoint
+- [x] 7.4 Implement list announcements endpoint
 - [ ] 7.5 Create announcement creation form
 - [ ] 7.6 Create announcement list component
 - [ ] 7.7 Implement notification system
 
 ## 8. Dashboard (dashboard)
 
-- [ ] 8.1 Implement organizer metrics endpoint
+- [x] 8.1 Implement organizer metrics endpoint
-- [ ] 8.2 Implement participant registrations endpoint
+- [x] 8.2 Implement participant registrations endpoint
 - [ ] 8.3 Create organizer dashboard component
 - [ ] 8.4 Create participant dashboard component
 - [ ] 8.5 Add quick action buttons