first init statistics
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184
app/statistic/views.py
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184
app/statistic/views.py
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from django.views.generic import TemplateView
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from django.db.models import Count, Q
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from django.utils import timezone
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from datetime import datetime
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from bird.models import FallenBird, Bird, BirdStatus, Circumstance
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from .models import StatisticIndividual, StatisticYearGroup, StatisticTotalGroup, StatisticConfiguration
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class StatisticView(TemplateView):
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template_name = 'statistic/overview.html'
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def get_context_data(self, **kwargs):
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context = super().get_context_data(**kwargs)
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# Aktuelles Jahr
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current_year = timezone.now().year
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# Lade aktive Konfiguration
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try:
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config = StatisticConfiguration.objects.get(is_active=True)
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except StatisticConfiguration.DoesNotExist:
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# Fallback: Erstelle Standard-Konfiguration wenn keine vorhanden
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config = StatisticConfiguration.objects.create(
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is_active=True,
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show_year_total_patients=True,
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show_total_patients=True,
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show_percentages=True,
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show_absolute_numbers=True
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)
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context['config'] = config
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context['current_year'] = current_year
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# 1. Jahresstatistik
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if config.show_year_total_patients:
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patients_this_year = FallenBird.objects.filter(
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date_found__year=current_year
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).count()
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context['patients_this_year'] = patients_this_year
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# Lade aktive Jahres-Gruppen und berechne Statistiken
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year_groups = StatisticYearGroup.objects.filter(is_active=True).order_by('order')
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year_summary = []
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for group in year_groups:
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status_ids = list(group.status_list.values_list('id', flat=True))
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year_count = FallenBird.objects.filter(
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date_found__year=current_year,
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status__id__in=status_ids
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).count()
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# Berechne Prozentanteil
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year_percentage = (year_count / patients_this_year * 100) if patients_this_year > 0 else 0
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year_summary.append({
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'name': group.name,
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'count': year_count,
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'percentage': round(year_percentage, 1),
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'color': group.color,
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'order': group.order
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})
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context['year_summary'] = year_summary
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# 2. Gesamtstatistik
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if config.show_total_patients:
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total_patients = FallenBird.objects.count()
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context['total_patients'] = total_patients
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# Lade aktive Gesamt-Gruppen und berechne Statistiken
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total_groups = StatisticTotalGroup.objects.filter(is_active=True).order_by('order')
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total_summary = []
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for group in total_groups:
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status_ids = list(group.status_list.values_list('id', flat=True))
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total_count = FallenBird.objects.filter(
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status__id__in=status_ids
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).count()
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# Berechne Prozentanteil
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total_percentage = (total_count / total_patients * 100) if total_patients > 0 else 0
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total_summary.append({
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'name': group.name,
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'count': total_count,
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'percentage': round(total_percentage, 1),
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'color': group.color,
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'order': group.order
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})
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context['total_summary'] = total_summary
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# 3. Statistik pro Vogelart (Individuen - dynamisch basierend auf Konfiguration)
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individual_groups = StatisticIndividual.objects.filter(is_active=True).order_by('order')
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context['statistic_individuals'] = individual_groups
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bird_stats = []
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for bird in Bird.objects.all():
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fallen_birds = FallenBird.objects.filter(bird=bird)
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total_count = fallen_birds.count()
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if total_count > 0: # Nur Vögel anzeigen, die auch Patienten haben
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bird_data = {
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'name': bird.name,
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'species': bird.species or 'Unbekannt',
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'total': total_count,
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'groups': []
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}
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# Berechne Statistiken für jede konfigurierte Individuen-Gruppe
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for group in individual_groups:
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status_ids = list(group.status_list.values_list('id', flat=True))
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group_count = fallen_birds.filter(status__id__in=status_ids).count()
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group_percentage = (group_count / total_count) * 100 if total_count > 0 else 0
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bird_data['groups'].append({
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'name': group.name,
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'color': group.color,
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'count': group_count,
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'percentage': round(group_percentage, 1),
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'order': group.order
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})
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bird_stats.append(bird_data)
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# Sortiere nach Gesamtanzahl (absteigend)
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bird_stats.sort(key=lambda x: x['total'], reverse=True)
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# Berechne Balkenbreiten basierend auf der höchsten Vogelart für bessere Visualisierung
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if bird_stats:
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max_count = bird_stats[0]['total'] # Höchste Anzahl (wird 100% der Balkenbreite)
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for bird in bird_stats:
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# Berechne Balkenbreite für Gesamtanzahl
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total_bar_width = (bird['total'] / max_count) * 100 if max_count > 0 else 0
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bird['total_bar_width'] = f"{total_bar_width:.1f}".replace(',', '.')
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# Berechne Balkenbreiten für jede Gruppe
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for group_data in bird['groups']:
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group_bar_width = (group_data['count'] / max_count) * 100 if max_count > 0 else 0
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group_data['bar_width'] = f"{group_bar_width:.1f}".replace(',', '.')
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context['bird_stats'] = bird_stats
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# 4. Fundumstände-Statistiken (unverändert)
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# Fundumstände für aktuelles Jahr
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circumstances_this_year = FallenBird.objects.filter(
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date_found__year=current_year,
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find_circumstances__isnull=False
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).values('find_circumstances__name', 'find_circumstances__description').annotate(
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count=Count('id')
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).order_by('-count')
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# Fundumstände für alle Jahre
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circumstances_all_time = FallenBird.objects.filter(
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find_circumstances__isnull=False
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).values('find_circumstances__name', 'find_circumstances__description').annotate(
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count=Count('id')
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).order_by('-count')
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# Formatiere Daten für Tortendiagramme
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def format_circumstances_data(circumstances_data):
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total = sum(item['count'] for item in circumstances_data)
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formatted_data = []
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colors = [
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'#FF6384', '#36A2EB', '#FFCE56', '#4BC0C0', '#9966FF',
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'#FF9F40', '#FF6384', '#C9CBCF', '#4BC0C0', '#FF6384'
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]
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for i, item in enumerate(circumstances_data):
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name = item['find_circumstances__name'] or item['find_circumstances__description']
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percentage = round((item['count'] / total) * 100, 1) if total > 0 else 0
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formatted_data.append({
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'name': name,
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'count': item['count'],
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'percentage': percentage,
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'color': colors[i % len(colors)]
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})
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return formatted_data, total
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context['circumstances_this_year'], context['circumstances_this_year_total'] = format_circumstances_data(circumstances_this_year)
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context['circumstances_all_time'], context['circumstances_all_time_total'] = format_circumstances_data(circumstances_all_time)
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return context
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