Added error descriptions

faerun_calendar/views.py

@@ -9,38 +9,69 @@ from .models import Event
 
 
 def day_page(request, year: int, month: int, day: int):
-    try:
-        year_data = YearData.objects.get(number=year)
-    except YearData.DoesNotExist:
-        return HttpResponseNotFound('<h1>404 Not Found</h1>')
+    params = None
 
-    try:
-        year_id = getattr(year_data, 'id')
-    except AttributeError:
-        return HttpResponseNotFound('<h1>404 Not Found</h1>')
+    if not params:
+        try:
+            year_data = YearData.objects.get(number=year)
+        except YearData.DoesNotExist:
+            params = {'type': 'error', 'error_type': 'year'}
 
-    try:
-        month_data = MonthData.objects.get(number=month)
-    except MonthData.DoesNotExist:
-        return HttpResponseNotFound('<h1>404 Not Found</h1>')
+    if not params:
+        try:
+            year_id = getattr(year_data, 'id')
+        except AttributeError:
+            params = {'type': 'error', 'error_type': 'year'}
 
-    try:
-        month_id = getattr(month_data, 'id')
-    except AttributeError:
-        return HttpResponseNotFound('<h1>404 Not Found</h1>')
+    if not params:
+        try:
+            month_data = MonthData.objects.get(number=month)
+        except MonthData.DoesNotExist:
+            params = {'type': 'error', 'error_type': 'month'}
 
-    try:
-        events = Event.objects.filter(year=year_id, month=month_id, day=day)
-    except Event.DoesNotExist:
-        return HttpResponseNotFound(f'<h1>404 Not Found</h1>')
+    if not params:
+        try:
+            month_id = getattr(month_data, 'id')
+        except AttributeError:
+            params = {'type': 'error', 'error_type': 'month'}
 
-    params = {
-        'type': 'day',
-        'year_data': year_data,
-        'month_data': month_data,
-        'day': day,
-        'events': events,
-    }
+    if not params:
+        try:
+            events = Event.objects.filter(year=year_id, month=month_id, day=day)
+        except Event.DoesNotExist:
+            params = {'type': 'error', 'error_type': 'events'}
+
+    if not params:
+        try:
+            is_leap = getattr(year_data, 'is_leap')
+        except AttributeError:
+            params = {'type': 'error', 'error_type': 'year'}
+        else:
+            try:
+                is_leap_month = getattr(month_data, 'is_leap_month')
+            except AttributeError:
+                params = {'type': 'error', 'error_type': 'month'}
+            else:
+                if not is_leap and is_leap_month:
+                    params = {'type': 'error', 'error_type': 'month'}
+
+    if not params:
+        try:
+            is_oneday = getattr(month_data, 'is_oneday')
+        except AttributeError:
+            params = {'type': 'error', 'error_type': 'month'}
+        else:
+            if is_oneday and day != 1 or not 1 <= day <= 30:
+                params = {'type': 'error', 'error_type': 'day'}
+
+    if not params:
+        params = {
+            'type': 'day',
+            'year_data': year_data,
+            'month_data': month_data,
+            'day': day,
+            'events': events,
+        }
 
     return render(request, 'faerun_calendar/index.html', params)