Refactor export API calls to pass only month/year instead of full data (#56)

* Initial plan

* Implement cleaner API calls for export methods

Co-authored-by: clayschaad <11883505+clayschaad@users.noreply.github.com>

* 4 icons per row

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: clayschaad <11883505+clayschaad@users.noreply.github.com>
Co-authored-by: Claudio Schaad <c.schaad@pog.ch>

Client/Pages/Index.razor.cs

@@ -115,8 +115,8 @@ namespace ShiftScheduler.Client.Pages
                 _successMessage = string.Empty;
                 StateHasChanged();
 
-                var shiftsWithTransportList = SelectedShiftsWithTransport.Values.ToList();
+                var request = new { Year = SelectedDate.Year, Month = SelectedDate.Month };
-                var response = await HttpClient.PostAsJsonAsync("api/shift/export_ics", shiftsWithTransportList);
+                var response = await HttpClient.PostAsJsonAsync("api/shift/export_ics", request);
                 
                 if (response.IsSuccessStatusCode)
                 {
@@ -148,8 +148,8 @@ namespace ShiftScheduler.Client.Pages
                 _successMessage = string.Empty;
                 StateHasChanged();
 
-                var shiftsWithTransportList = SelectedShiftsWithTransport.Values.ToList();
+                var request = new { Year = SelectedDate.Year, Month = SelectedDate.Month };
-                var response = await HttpClient.PostAsJsonAsync("api/shift/export_pdf", shiftsWithTransportList);
+                var response = await HttpClient.PostAsJsonAsync("api/shift/export_pdf", request);
                 
                 if (response.IsSuccessStatusCode)
                 {
@@ -232,11 +232,11 @@ namespace ShiftScheduler.Client.Pages
                 _isSyncing = true;
                 StateHasChanged();
 
-                var shiftsWithTransportList = SelectedShiftsWithTransport.Values.ToList();
                 var request = new
                 {
                     CalendarId = calendarId,
-                    ShiftsWithTransport = shiftsWithTransportList
+                    Year = SelectedDate.Year,
+                    Month = SelectedDate.Month
                 };
 
                 var response = await HttpClient.PostAsJsonAsync("api/shift/sync_to_google_calendar", request);

Client/Pages/Index.razor.css

@@ -169,7 +169,7 @@
 /* Desktop shift buttons - 3 columns */
 @media (min-width: 769px) {
     .shifts {
-        grid-template-columns: repeat(3, 1fr);
+        grid-template-columns: repeat(4, 1fr);
     }
 }
 

Server/Controllers/ShiftController.cs

@@ -97,15 +97,17 @@ namespace ShiftScheduler.Server.Controllers
         }
 
         [HttpPost("export_ics")]
-        public IActionResult ExportIcsWithTransport([FromBody] List<ShiftWithTransport> shiftsWithTransport)
+        public async Task<IActionResult> ExportIcs([FromBody] ExportRequest request)
         {
+            var shiftsWithTransport = await BuildShiftsWithTransportAsync(request.Year, request.Month);
             var ics = _icsService.GenerateIcs(shiftsWithTransport);
             return File(System.Text.Encoding.UTF8.GetBytes(ics), "text/calendar", "schedule.ics");
         }
 
         [HttpPost("export_pdf")]
-        public IActionResult ExportPdfWithTransport([FromBody] List<ShiftWithTransport> shiftsWithTransport)
+        public async Task<IActionResult> ExportPdf([FromBody] ExportRequest request)
         {
+            var shiftsWithTransport = await BuildShiftsWithTransportAsync(request.Year, request.Month);
             var pdf = _pdfExportService.GenerateMonthlySchedulePdf(shiftsWithTransport);
             return File(pdf, "application/pdf", "schedule.pdf");
         }
@@ -171,7 +173,8 @@ namespace ShiftScheduler.Server.Controllers
         {
             try
             {
-                await _googleCalendarService.SyncShiftsToCalendarAsync(request.CalendarId, request.ShiftsWithTransport);
+                var shiftsWithTransport = await BuildShiftsWithTransportAsync(request.Year, request.Month);
+                await _googleCalendarService.SyncShiftsToCalendarAsync(request.CalendarId, shiftsWithTransport);
                 return Ok(new { message = "Shifts synced to Google Calendar successfully!" });
             }
             catch (Exception ex)
@@ -179,6 +182,61 @@ namespace ShiftScheduler.Server.Controllers
                 return StatusCode(500, $"Error syncing to Google Calendar: {ex.Message}");
             }
         }
+
+        private async Task<List<ShiftWithTransport>> BuildShiftsWithTransportAsync(int year, int month)
+        {
+            var schedule = await _configurationService.LoadScheduleAsync(year, month);
+            var shiftsWithTransport = new List<ShiftWithTransport>();
+            var transportConfig = _configurationService.GetTransportConfiguration();
+
+            foreach (var kvp in schedule)
+            {
+                var date = kvp.Key;
+                var shiftName = kvp.Value;
+                
+                var shift = _configurationService.GetShifts().FirstOrDefault(s => s.Name == shiftName);
+                if (shift == null)
+                    continue;
+
+                var shiftTimes = _configurationService.ParseShiftTimes(date, shift);
+                TransportConnection? morningTransport = null;
+                TransportConnection? afternoonTransport = null;
+
+                // Get transport for morning shift if it has morning time
+                if (!string.IsNullOrEmpty(shift.MorningTime) && shiftTimes.MorningStart.HasValue)
+                {
+                    morningTransport = await _transportService.GetConnectionAsync(shiftTimes.MorningStart.Value);
+                }
+
+                // Get transport for afternoon shift if it has afternoon time
+                if (!string.IsNullOrEmpty(shift.AfternoonTime))
+                {
+                    var shouldLoadAfternoonTransport = true;
+                    
+                    // If both morning and afternoon shifts exist, check break duration
+                    if (!string.IsNullOrEmpty(shift.MorningTime) && shiftTimes.MorningEnd.HasValue && shiftTimes.AfternoonStart.HasValue)
+                    {
+                        var breakDurationMinutes = (shiftTimes.AfternoonStart.Value - shiftTimes.MorningEnd.Value).TotalMinutes;
+                        shouldLoadAfternoonTransport = breakDurationMinutes >= transportConfig.MinBreakMinutes;
+                    }
+                    
+                    if (shouldLoadAfternoonTransport && shiftTimes.AfternoonStart.HasValue)
+                    {
+                        afternoonTransport = await _transportService.GetConnectionAsync(shiftTimes.AfternoonStart.Value);
+                    }
+                }
+
+                shiftsWithTransport.Add(new ShiftWithTransport
+                {
+                    Date = date,
+                    Shift = shift,
+                    MorningTransport = morningTransport,
+                    AfternoonTransport = afternoonTransport
+                });
+            }
+
+            return shiftsWithTransport;
+        }
     }
 
     public class ShiftTransportRequest
@@ -194,9 +252,16 @@ namespace ShiftScheduler.Server.Controllers
         public Dictionary<DateTime, string> Schedule { get; set; } = new();
     }
 
+    public class ExportRequest
+    {
+        public int Year { get; set; }
+        public int Month { get; set; }
+    }
+
     public class SyncToGoogleCalendarRequest
     {
         public string CalendarId { get; set; } = string.Empty;
-        public List<ShiftWithTransport> ShiftsWithTransport { get; set; } = [];
+        public int Year { get; set; }
+        public int Month { get; set; }
     }
 }