430 lines
14 KiB
Python
430 lines
14 KiB
Python
from django.shortcuts import get_object_or_404, redirect, resolve_url
|
|
from django.views.generic.detail import DetailView, SingleObjectMixin, View
|
|
from django.views.generic.list import ListView, MultipleObjectMixin
|
|
from django.views.generic.edit import CreateView, FormView, UpdateView, DeleteView
|
|
from django.http import FileResponse, HttpResponse, JsonResponse
|
|
from django.db import IntegrityError
|
|
from django.db.models import Q, Count, Sum
|
|
from django.db import transaction
|
|
from django.utils.timezone import now
|
|
from django.urls import reverse
|
|
from django.template.loader import render_to_string
|
|
|
|
import json
|
|
import os.path
|
|
import re
|
|
|
|
from interface.views import EnsembleMixin, ProjectMixin, AuthorizedResourceMixin
|
|
from interface.models import Project
|
|
from library.models import Collection, Work, Document, Section
|
|
from library.imslp import INSTRUMENT_TAGS, INSTRUMENTS
|
|
from library import forms, models
|
|
from library.pdf_utils import extract_pages, extract_and_concat
|
|
|
|
"""
|
|
|
|
"""
|
|
|
|
|
|
class ProjectItemListView(ProjectMixin, ListView):
|
|
template_name = "library/item_list.html"
|
|
model = models.ProjectItem
|
|
|
|
def post(self, request, **kwargs):
|
|
|
|
project = self.get_project()
|
|
|
|
project_works = project.works.all()
|
|
|
|
instruments = request.POST.getlist('instruments')
|
|
works = request.POST.getlist('works')
|
|
|
|
self.request.session['part'] = request.POST.get('part', '')
|
|
self.request.session['instrument'] = request.POST.get('instrument')
|
|
|
|
valid_pks = [ x.pk for x in project_works ]
|
|
|
|
sections = []
|
|
|
|
for i, pk in enumerate(works):
|
|
|
|
if int(pk) not in valid_pks:
|
|
raise Exception(f"Not a valid work pk: {pk}")
|
|
|
|
tag = instruments[i]
|
|
if tag == '-':
|
|
continue
|
|
|
|
part = Section.objects.filter(tag=tag, doc__work=pk).select_related('doc').get()
|
|
sections.append((part.doc.upload.path, part.doc.work.name, part.start, part.end, 1))
|
|
|
|
result = extract_and_concat(sections)
|
|
|
|
download_name = f'{project.name}.pdf'
|
|
|
|
response = FileResponse(result, content_type="application/pdf")
|
|
response['Content-Disposition'] = f'inline; filename="{download_name}"'
|
|
return response
|
|
|
|
|
|
def get_queryset(self):
|
|
return super(ProjectItemListView, self).get_queryset().select_related('project', 'work')
|
|
|
|
def get_context_data(self, **kwargs):
|
|
data = super(ProjectItemListView, self).get_context_data(**kwargs)
|
|
data['instruments'] = INSTRUMENTS
|
|
data['instrument'] = self.request.session.get('instrument', 'Score')
|
|
data['part'] = self.request.session.get('part', '0')
|
|
data['running_time'] = self.get_queryset().aggregate(Sum('work__running_time'))['work__running_time__sum']
|
|
#if running_time:
|
|
# data['running_time'] = "{0:d}:{1:02d}".format(int(running_time / 60), running_time % 60)
|
|
#else:
|
|
# data['running_time'] = "-:--"
|
|
return data
|
|
|
|
|
|
class ProjectItemManageView(ProjectMixin, ListView):
|
|
template_name = "library/item_list_manage.html"
|
|
model = models.ProjectItem
|
|
|
|
def post(self, request, **kwargs):
|
|
self.request = request
|
|
self.kwargs = kwargs
|
|
|
|
data = json.loads(request.body)
|
|
|
|
q = self.get_queryset()
|
|
for pk, order in data.items():
|
|
order = int(order)
|
|
if order == -1:
|
|
q.filter(pk=pk).delete()
|
|
else:
|
|
i = q.filter(pk=pk).update(order=order)
|
|
|
|
return HttpResponse(status=204)
|
|
|
|
def get_queryset(self):
|
|
return super(ProjectItemManageView, self).get_queryset().select_related('project', 'work')
|
|
|
|
class ProjectItemAddView(ProjectMixin, UpdateView):
|
|
form_class = forms.PlaylistAddForm
|
|
template_name = "interface/default_form.html"
|
|
|
|
def get_success_url(self):
|
|
return resolve_url('item_list_manage', project=self.kwargs['project'])
|
|
|
|
def get_object(self):
|
|
return self.get_project()
|
|
|
|
""" COLLECTION VIEWS """
|
|
|
|
class CollectionMixin(AuthorizedResourceMixin):
|
|
def is_authorized(self):
|
|
collection_id = self.kwargs['collection']
|
|
self.collection = get_object_or_404(models.Collection, pk=collection_id)
|
|
|
|
if super().is_authorized():
|
|
return True
|
|
|
|
if self.collection.has_admininistrator(self.request.user):
|
|
self.request.is_admin = True
|
|
return True
|
|
|
|
return False
|
|
|
|
def get_context_data(self, **kwargs):
|
|
data = super().get_context_data(**kwargs)
|
|
if self.collection:
|
|
data['collection'] = self.collection
|
|
return data
|
|
|
|
def get_queryset(self):
|
|
return super().get_queryset().filter(collection=self.collection)
|
|
|
|
|
|
class CollectionListView(ListView):
|
|
paginate_by = 20
|
|
|
|
def get_queryset(self):
|
|
collections = models.Collection.objects.all()
|
|
|
|
if self.request.user.is_anonymous:
|
|
return models.Collection.objects.none()
|
|
|
|
if self.request.user.is_staff:
|
|
return collections
|
|
|
|
return collections.filter(Q(administrators=self.request.user) | Q(allowed_ensembles__ensemble__admins=self.request.user))
|
|
|
|
class WorkListView(CollectionMixin, ListView):
|
|
paginate_by = 20
|
|
|
|
def get_works(self):
|
|
collections = CollectionMixin.get_queryset(self)
|
|
return Work.objects.filter(collection__in=collections).order_by('name').distinct().select_related('collection')
|
|
|
|
def get_context_data(self, *args, **kwargs):
|
|
data = super(WorkListView, self).get_context_data(*args, **kwargs)
|
|
#data['title'] = f'Music available to {self.ensemble.name}'
|
|
data['title'] = "My Library"
|
|
return data
|
|
|
|
def get_queryset(self):
|
|
works = self.get_works()
|
|
|
|
q = self.request.GET.get('filter')
|
|
if q:
|
|
if ":" in q:
|
|
name, _, value = q.partition(":")
|
|
works = works.filter(meta_info__name=name, meta_info__value__contains=value)
|
|
else:
|
|
works = works.filter(Q(name__contains=q) | Q(composer__contains=q) | Q(meta_info__value__contains=q))
|
|
|
|
return works.order_by('name', 'pk')
|
|
|
|
class CollectionWorkListView(WorkListView):
|
|
|
|
def get_works(self):
|
|
works = Work.objects.filter(collection=self.kwargs['collection']).distinct()
|
|
|
|
loan_count = Count('project_items', Q(project_items__checkout__lte=now(), project_items__returned=None))
|
|
works = works.annotate(loan_count=loan_count)
|
|
return works
|
|
|
|
def get_context_data(self, *args, **kwargs):
|
|
data = super(CollectionWorkListView, self).get_context_data(*args, **kwargs)
|
|
data['title'] = self.collection.name
|
|
return data
|
|
|
|
class WorkAddView(CollectionMixin, FormView):
|
|
template_name = "interface/default_form.html"
|
|
form_class = forms.WorkCreateForm
|
|
|
|
title = "Add a new work"
|
|
|
|
def form_valid(self, form):
|
|
work = form.save(commit=False)
|
|
#work.ensemble_id = self.request.ensemble_id
|
|
work.collection_id = self.collection.pk
|
|
work.save()
|
|
|
|
# handle the files
|
|
uploads = self.request.FILES.getlist('uploads')
|
|
docs = []
|
|
for f in uploads:
|
|
docs.append(work.docs.create(upload=f).pk)
|
|
|
|
if len(docs) == 1:
|
|
return redirect('document_annotate', docs[0])
|
|
else:
|
|
return redirect('work_detail', collection=self.collection.pk, pk=work.pk)
|
|
|
|
class WorkMixin(object):
|
|
|
|
def get_queryset(self):
|
|
if self.request.is_admin:
|
|
return Work.objects.all()
|
|
|
|
return Work.objects.filter(collection__allowed_ensembles__ensemble=self.request.ensemble_id)
|
|
|
|
class WorkDetailView(CollectionMixin, WorkMixin, DetailView):
|
|
pass
|
|
|
|
class WorkUpdateView(CollectionMixin, WorkMixin, UpdateView):
|
|
fields = ['name', 'composer', 'edition', 'code', 'licence', 'max_projects', 'running_time', 'notes']
|
|
template_name = 'interface/default_form.html'
|
|
|
|
def get_success_url(self):
|
|
return resolve_url('work_detail', self.kwargs['pk'])
|
|
|
|
|
|
|
|
class WorkAddToProject(ProjectMixin, FormView):
|
|
admin_required = True
|
|
form_class = forms.ProjectSelectForm
|
|
template_name = "interface/default_form.html"
|
|
title = "Select project to add work to"
|
|
|
|
def get_object(self):
|
|
return Work.objects.get(pk=self.kwargs['pk'])
|
|
|
|
def get_form(self):
|
|
f = super(WorkAddToProject, self).get_form()
|
|
qs = f.fields['project'].queryset
|
|
|
|
work = self.get_object()
|
|
qs = qs.filter(ensemble_id=self.request.ensemble_id).exclude(pk__in=work.projects.all())
|
|
|
|
f.fields['project'].queryset = qs
|
|
return f
|
|
|
|
def form_valid(self, form):
|
|
work = self.get_object()
|
|
project = form.cleaned_data['project']
|
|
work.project_items.create(project=project, approved_by=self.request.user, checkout=now())
|
|
return redirect('item_list', project=project.pk)
|
|
|
|
|
|
|
|
class WorkPartSetView(EnsembleMixin, DetailView):
|
|
template_name = "library/work_partset.html"
|
|
|
|
def post(self, request, *args, **kwargs):
|
|
|
|
work = self.get_object()
|
|
|
|
parts = request.POST.getlist('parts')
|
|
copies = request.POST.getlist('copies')
|
|
|
|
sections = []
|
|
|
|
for i, tag in enumerate(parts):
|
|
part = work.digital_parts.select_related('doc').get(tag=tag)
|
|
sections.append((part.doc.upload.path, part.instrument, part.start, part.end, int(copies[i])))
|
|
|
|
result = extract_and_concat(sections)
|
|
|
|
download_name = f'{work.name}.pdf'
|
|
|
|
response = FileResponse(result, content_type="application/pdf")
|
|
response['Content-Disposition'] = f'inline; filename="{download_name}"'
|
|
return response
|
|
|
|
def get_queryset(self):
|
|
works = Work.objects.all()
|
|
|
|
if not self.request.is_admin:
|
|
works = works.filter(collection__allowed_ensembles__ensemble=self.request.ensemble_id)
|
|
return works
|
|
|
|
class WorkAddDocumentView(CollectionMixin, CreateView):
|
|
template_name = "interface/default_form.html"
|
|
model = Document
|
|
fields = ['upload']
|
|
|
|
def title(self):
|
|
work = Work.objects.get(pk=self.kwargs['pk'])
|
|
return f"Add a document to {work.name}"
|
|
|
|
def form_invalid(self, form):
|
|
if self.request.headers['Accept'] == 'application/json':
|
|
return HttpResponse(status=400)
|
|
return super().form_invalid(form)
|
|
|
|
def form_valid(self, form):
|
|
doc = form.save(commit=False)
|
|
doc.work_id = self.kwargs['pk']
|
|
doc.save()
|
|
|
|
# auto tag the document
|
|
|
|
name, _ = os.path.splitext(os.path.basename(doc.upload.name))
|
|
parts = re.split(r'[^A-Za-z]+', name)
|
|
parts.reverse()
|
|
for word in parts:
|
|
try:
|
|
tag = INSTRUMENT_TAGS[word.lower()]
|
|
doc.sections.create(tag=tag)
|
|
break
|
|
except KeyError:
|
|
pass
|
|
|
|
|
|
if self.request.headers['Accept'] == 'application/json':
|
|
filename = os.path.basename(doc.upload.name)
|
|
return JsonResponse({
|
|
"message": "created",
|
|
"id": doc.pk,
|
|
"entry": render_to_string('library/document_entry.html',
|
|
{'collection': self.collection, 'doc': doc, 'request': self.request}
|
|
)
|
|
}, status=201)
|
|
|
|
return redirect('document_annotate', self.collection.pk, doc.pk)
|
|
|
|
class DocumentMixin(CollectionMixin):
|
|
model = models.Document
|
|
|
|
def get_queryset(self):
|
|
return models.Document.objects.filter(work__collection=self.collection)
|
|
|
|
# def get_queryset(self):
|
|
# if self.request.is_admin:
|
|
# return Document.objects.select_related('work')
|
|
# return Document.objects.filter(work__ensemble=self.request.ensemble_id).select_related('work')
|
|
|
|
class DocumentDetailView(DocumentMixin, DetailView):
|
|
pass
|
|
|
|
class DocumentDownloadView(DocumentMixin, SingleObjectMixin, View):
|
|
|
|
def get(self, request, **args):
|
|
self.request = request
|
|
self.args = args
|
|
self.object = self.get_object()
|
|
|
|
#response = FileResponse(self.object.upload, content_type="application/pdf")
|
|
#return response
|
|
return redirect(self.object.upload.url)
|
|
|
|
class DocumentAnnotateView(DocumentMixin, DetailView):
|
|
template_name = 'library/document_annotate.html'
|
|
|
|
def post(self, request, **args):
|
|
self.request = request
|
|
self.args = args
|
|
self.object = self.get_object()
|
|
|
|
data = json.loads(request.body)
|
|
|
|
with transaction.atomic():
|
|
self.object.sections.all().delete()
|
|
for tag, start, end in data:
|
|
#pages.sort()
|
|
#end = pages[-1] if len(pages) > 1 else None
|
|
o = self.object.sections.create(tag=tag, type=models.Section.TYPE_INSTRUMENT, start=start, end=end)
|
|
|
|
return HttpResponse(status=204)
|
|
|
|
def get_context_data(self, **kwargs):
|
|
data = super(DocumentAnnotateView, self).get_context_data(**kwargs)
|
|
|
|
pages = []
|
|
for part in data['document'].sections.all():
|
|
pages.append((part.tag, part.start, part.end))
|
|
|
|
data['json_data'] = {'pageTags': pages, 'instruments': dict(INSTRUMENTS)}
|
|
return data
|
|
|
|
class DocumentDeleteView(DocumentMixin, DeleteView):
|
|
|
|
#def get_template_names(self):
|
|
# return ["interface/default_form.html"]
|
|
|
|
def get_success_url(self):
|
|
return resolve_url('work_detail', self.collection.pk, self.object.work_id)
|
|
|
|
class PartDownloadView(CollectionMixin, SingleObjectMixin, View):
|
|
|
|
pk_url_kwarg = 'section'
|
|
|
|
def get(self, request, **args):
|
|
self.request = request
|
|
self.args = args
|
|
self.object = self.get_object()
|
|
|
|
result = extract_pages(self.object.doc.upload.path, self.object.doc.work.name, self.object.start, self.object.end)
|
|
|
|
#download_name = f'{self.object.doc.work.name}_{self.object.instrument}.pdf'
|
|
|
|
response = FileResponse(result, content_type="application/pdf")
|
|
response['Content-Disposition'] = f'inline; filename="{self.args["filename"]}"'
|
|
return response
|
|
|
|
def get_queryset(self):
|
|
|
|
if self.request.is_admin:
|
|
parts = Section.objects.all()
|
|
else:
|
|
parts = Section.objects.filter(doc__work__collection__allowed_ensembles__ensemble=self.request.ensemble_id)
|
|
return parts.select_related('doc', 'doc__work') |