145 lines
5.5 KiB
Python
145 lines
5.5 KiB
Python
from django.http import HttpResponse
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from django.contrib import admin, messages
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from django.db.models import F
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from django.utils.translation import ngettext
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import io
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import zipfile
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from housewars.utils import get_random_string, load_pdf
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from housewars.models import Activity, Award, Quota, UserEntry
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class QuotaInline(admin.TabularInline):
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model = Quota
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extra = 0
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class AwardsInline(admin.TabularInline):
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model = Award
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extra = 0
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@admin.register(Activity)
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class ActivityAdmin(admin.ModelAdmin):
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fieldsets = [
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(None, {'fields': ['name', 'room_number']}),
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('Activity Information', {
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'fields': ['default_quota', 'time', 'password']}),
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]
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list_display = ['name', 'time', 'room_number', 'teacher', 'password',
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'default_quota', 'hawk_signups', 'great_grey_signups', 'snowy_signups', 'eagle_signups']
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inlines = [QuotaInline, AwardsInline]
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actions = ['generate_passwords', 'remove_room_number',
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'export_a1_to_pdf', 'export_a2_to_pdf']
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@admin.display(description='Hawk')
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def hawk_signups(self, obj):
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if (obj.time == None):
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return "- | -"
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return str(UserEntry.objects.filter(house__name='Hawk', activity1=obj).count()) + ' | ' + str((UserEntry.objects.filter(house__name='Hawk', activity2=obj).count(), '-')[obj.time == 60])
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@admin.display(description='Great Grey')
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def great_grey_signups(self, obj):
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if (obj.time == None):
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return "- | -"
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return str(UserEntry.objects.filter(house__name='Great Grey', activity1=obj).count()) + ' | ' + str((UserEntry.objects.filter(house__name='Great Grey', activity2=obj).count(), '-')[obj.time == 60])
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@admin.display(description='Snowy')
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def snowy_signups(self, obj):
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if (obj.time == None):
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return "- | -"
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return str(UserEntry.objects.filter(house__name='Snowy', activity1=obj).count()) + ' | ' + str((UserEntry.objects.filter(house__name='Snowy', activity2=obj).count(), '-')[obj.time == 60])
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@admin.display(description='Eagle')
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def eagle_signups(self, obj):
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if (obj.time == None):
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return "- | -"
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return str(UserEntry.objects.filter(house__name='Eagle', activity1=obj).count()) + ' | ' + str((UserEntry.objects.filter(house__name='Eagle', activity2=obj).count(), '-')[obj.time == 60])
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@admin.action(description='Generate passwords for selected activities')
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def generate_passwords(self, request, queryset):
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for activity in queryset:
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activity.password = get_random_string(8)
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activity.save()
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self.message_user(request, ngettext(
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'Generated password for %d activity.',
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'Generated passwords for %d activities.',
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queryset.count(),
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) % queryset.count(), messages.SUCCESS)
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@admin.action(description='Remove room number from selected activities')
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def remove_room_number(self, request, queryset):
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queryset.update(room_number=None)
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self.message_user(request, ngettext(
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'Removed room number for %d activity.',
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'Removed room numbers for %d activities.',
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queryset.count(),
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) % queryset.count(), messages.SUCCESS)
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@admin.action(description='Export activity 1 attendance to pdf')
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def export_a1_to_pdf(self, request, queryset):
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file_list = {}
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for activity in queryset:
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user_entries = activity.activity1
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# Augment the queryset with extra data
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user_entries = user_entries.annotate(
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a1_room=F('activity1__room_number')).annotate(a2_room=F('activity2__room_number'))
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# Select headers that are to be unpacked
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headers = ['first_name', 'last_name', 'grade', 'house',
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'activity1', 'a1_room', 'activity2', 'a2_room']
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file = load_pdf(user_entries, headers, f"{activity.name} - 1")
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file_list[f"{activity.name} - 1"] = file
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outfile = io.BytesIO()
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with zipfile.ZipFile(outfile, 'w') as zf:
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for name, file in file_list.items():
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zf.writestr(f"{name}.pdf", file.getvalue())
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outfile = outfile.getvalue()
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response = HttpResponse(
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outfile, content_type='application/octet-stream')
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response['Content-Disposition'] = 'attachment; filename=activity1_attendance.zip'
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return response
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@admin.action(description='Export activity 2 attendance to pdf')
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def export_a2_to_pdf(self, request, queryset):
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file_list = {}
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for activity in queryset:
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user_entries = activity.activity2
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# Augment the queryset with extra data
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user_entries = user_entries.annotate(
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a1_room=F('activity1__room_number')).annotate(a2_room=F('activity2__room_number'))
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# Select headers that are to be unpacked
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headers = ['first_name', 'last_name', 'grade', 'house',
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'activity1', 'a1_room', 'activity2', 'a2_room']
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file = load_pdf(user_entries, headers, f"{activity.name} - 2")
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file_list[f"{activity.name} - 2"] = file
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outfile = io.BytesIO()
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with zipfile.ZipFile(outfile, 'w') as zf:
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for name, file in file_list.items():
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zf.writestr(f"{name}.pdf", file.getvalue())
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outfile = outfile.getvalue()
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response = HttpResponse(
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outfile, content_type='application/octet-stream')
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response['Content-Disposition'] = 'attachment; filename=activity2_attendance.zip'
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return response
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