src/documents/views.py

   1 # This file is part of FNP-Redakcja, licensed under GNU Affero GPLv3 or later.
   2 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
   3 #
   4 from collections import defaultdict
   5 from datetime import datetime, date, timedelta
   6 import logging
   7 import os
   8 from urllib.parse import quote_plus, unquote, urlsplit, urlunsplit
   9
  10 from django.conf import settings
  11 from django.contrib import auth
  12 from django.contrib.auth.models import User
  13 from django.contrib.auth.decorators import login_required, permission_required
  14 from django.urls import reverse
  15 from django.db.models import Count, Q
  16 from django.db import transaction
  17 from django import http
  18 from django.http import Http404, HttpResponse, HttpResponseForbidden
  19 from django.http.response import HttpResponseRedirect
  20 from django.shortcuts import get_object_or_404, render
  21 from django.utils.encoding import iri_to_uri
  22 from django.utils.translation import gettext_lazy as _
  23 from django.views.decorators.http import require_POST
  24 from django_cas_ng.decorators import user_passes_test
  25
  26 from apiclient import api_call, NotAuthorizedError
  27 from . import forms
  28 from . import helpers
  29 from .helpers import active_tab
  30 from .models import (Book, Chunk, Image, BookPublishRecord,
  31         ChunkPublishRecord, ImagePublishRecord, Project)
  32 from fileupload.views import UploadView
  33
  34 #
  35 # Quick hack around caching problems, TODO: use ETags
  36 #
  37 from django.views.decorators.cache import never_cache
  38
  39 logger = logging.getLogger("fnp.documents")
  40
  41
  42 @active_tab('all')
  43 @never_cache
  44 def document_list(request):
  45     return render(request, 'documents/document_list.html')
  46
  47
  48 @active_tab('images')
  49 @never_cache
  50 def image_list(request, user=None):
  51     return render(request, 'documents/image_list.html')
  52
  53
  54 @never_cache
  55 def user(request, username):
  56     user = get_object_or_404(User, username=username)
  57     return render(request, 'documents/user_page.html', {"viewed_user": user})
  58
  59
  60 @login_required
  61 @active_tab('my')
  62 @never_cache
  63 def my(request):
  64     last_books = sorted(request.session.get("wiki_last_books", {}).items(),
  65         key=lambda x: x[1]['time'], reverse=True)
  66     for k, v in last_books:
  67         v['time'] = datetime.fromtimestamp(v['time'])
  68     try:
  69         resp = api_call(request.user, 'username/')
  70     except NotAuthorizedError:
  71         wllogin = None
  72     else:
  73         wllogin = resp['username']
  74
  75     return render(request, 'documents/my_page.html', {
  76         'last_books': last_books,
  77         "logout_to": '/',
  78         "wllogin": wllogin,
  79         })
  80
  81
  82 @active_tab('users')
  83 def users(request):
  84     return render(request, 'documents/user_list.html', {
  85         'users': User.objects.all().annotate(count=Count('chunk')).order_by(
  86             '-count', 'last_name', 'first_name'),
  87     })
  88
  89
  90 @active_tab('activity')
  91 def activity(request, isodate=None):
  92     today = date.today()
  93     try:
  94         day = helpers.parse_isodate(isodate)
  95     except ValueError:
  96         day = today
  97
  98     if day > today:
  99         raise Http404
 100     if day != today:
 101         next_day = day + timedelta(1)
 102     prev_day = day - timedelta(1)
 103
 104     return render(request, 'documents/activity.html', locals())
 105
 106
 107 @never_cache
 108 def logout_then_redirect(request):
 109     auth.logout(request)
 110     return http.HttpResponseRedirect(quote_plus(request.GET.get('next', '/'), safe='/?='))
 111
 112
 113 @permission_required('documents.add_book')
 114 @active_tab('create')
 115 def create_missing(request, slug=None):
 116     if slug is None:
 117         slug = ''
 118     slug = slug.replace(' ', '-')
 119
 120     if request.method == "POST":
 121         form = forms.DocumentCreateForm(request.POST, request.FILES)
 122         if form.is_valid():
 123
 124             if request.user.is_authenticated:
 125                 creator = request.user
 126             else:
 127                 creator = None
 128             book = Book.create(
 129                 text=form.cleaned_data['text'],
 130                 creator=creator,
 131                 slug=form.cleaned_data['slug'],
 132                 title=form.cleaned_data['title'],
 133                 gallery=form.cleaned_data['gallery'],
 134             )
 135
 136             return http.HttpResponseRedirect(reverse("documents_book", args=[book.slug]))
 137     else:
 138         form = forms.DocumentCreateForm(initial={
 139                 "slug": slug,
 140                 "title": slug.replace('-', ' ').title(),
 141                 "gallery": slug,
 142         })
 143
 144     return render(request, "documents/document_create_missing.html", {
 145         "slug": slug,
 146         "form": form,
 147
 148         "logout_to": '/',
 149     })
 150
 151
 152 @permission_required('documents.add_book')
 153 @active_tab('upload')
 154 def upload(request):
 155     if request.method == "POST":
 156         form = forms.DocumentsUploadForm(request.POST, request.FILES)
 157         if form.is_valid():
 158             from slugify import slugify
 159
 160             if request.user.is_authenticated:
 161                 creator = request.user
 162             else:
 163                 creator = None
 164
 165             zip = form.cleaned_data['zip']
 166             skipped_list = []
 167             ok_list = []
 168             error_list = []
 169             slugs = {}
 170             existing = [book.slug for book in Book.objects.all()]
 171             for filename in zip.namelist():
 172                 if filename[-1] == '/':
 173                     continue
 174                 title = os.path.basename(filename)[:-4]
 175                 slug = slugify(title)
 176                 if not (slug and filename.endswith('.xml')):
 177                     skipped_list.append(filename)
 178                 elif slug in slugs:
 179                     error_list.append((filename, slug, _('Slug already used for %s' % slugs[slug])))
 180                 elif slug in existing:
 181                     error_list.append((filename, slug, _('Slug already used in repository.')))
 182                 else:
 183                     try:
 184                         zip.read(filename).decode('utf-8') # test read
 185                         ok_list.append((filename, slug, title))
 186                     except UnicodeDecodeError:
 187                         error_list.append((filename, title, _('File should be UTF-8 encoded.')))
 188                     slugs[slug] = filename
 189
 190             if not error_list:
 191                 for filename, slug, title in ok_list:
 192                     book = Book.create(
 193                         text=zip.read(filename).decode('utf-8'),
 194                         creator=creator,
 195                         slug=slug,
 196                         title=title,
 197                     )
 198
 199             return render(request, "documents/document_upload.html", {
 200                 "form": form,
 201                 "ok_list": ok_list,
 202                 "skipped_list": skipped_list,
 203                 "error_list": error_list,
 204
 205                 "logout_to": '/',
 206             })
 207     else:
 208         form = forms.DocumentsUploadForm()
 209
 210     return render(request, "documents/document_upload.html", {
 211         "form": form,
 212
 213         "logout_to": '/',
 214     })
 215
 216
 217 def serve_xml(request, book, slug):
 218     if not book.accessible(request):
 219         return HttpResponseForbidden("Not authorized.")
 220     xml = book.materialize(publishable=True)
 221     response = http.HttpResponse(xml, content_type='application/xml')
 222     response['Content-Disposition'] = 'attachment; filename=%s.xml' % slug
 223     return response
 224
 225
 226 @never_cache
 227 def book_xml(request, slug):
 228     book = get_object_or_404(Book, slug=slug)
 229     return serve_xml(request, book, slug)
 230
 231
 232 @never_cache
 233 def book_xml_dc(request, slug):
 234     book = get_object_or_404(Book, catalogue_book_id=slug)
 235     return serve_xml(request, book, slug)
 236
 237
 238 @never_cache
 239 def book_txt(request, slug):
 240     book = get_object_or_404(Book, slug=slug)
 241     if not book.accessible(request):
 242         return HttpResponseForbidden("Not authorized.")
 243
 244     doc = book.wldocument()
 245     text = doc.as_text().get_bytes()
 246     response = http.HttpResponse(text, content_type='text/plain')
 247     response['Content-Disposition'] = 'attachment; filename=%s.txt' % slug
 248     return response
 249
 250
 251 @never_cache
 252 def book_html(request, slug):
 253     book = get_object_or_404(Book, slug=slug)
 254     if not book.accessible(request):
 255         return HttpResponseForbidden("Not authorized.")
 256
 257     doc = book.wldocument(parse_dublincore=False)
 258     html = doc.as_html(options={'gallery': "'%s'" % book.gallery_url()})
 259
 260     html = html.get_bytes().decode('utf-8') if html is not None else ''
 261     # response = http.HttpResponse(html, content_type='text/html')
 262     # return response
 263     # book_themes = {}
 264     # for fragment in book.fragments.all().iterator():
 265     #     for theme in fragment.tags.filter(category='theme').iterator():
 266     #         book_themes.setdefault(theme, []).append(fragment)
 267
 268     # book_themes = book_themes.items()
 269     # book_themes.sort(key=lambda s: s[0].sort_key)
 270     return render(request, 'documents/book_text.html', locals())
 271
 272
 273 @login_required
 274 @never_cache
 275 def book_pdf(request, slug, mobile=False):
 276     book = get_object_or_404(Book, slug=slug)
 277     if not book.accessible(request):
 278         return HttpResponseForbidden("Not authorized.")
 279
 280     # TODO: move to celery
 281     doc = book.wldocument()
 282     # TODO: error handling
 283     customizations = ['26pt', 'nothemes', 'nomargins', 'notoc'] if mobile else None
 284     pdf_file = doc.as_pdf(cover=True, base_url=request.build_absolute_uri(book.gallery_path()), customizations=customizations)
 285     from .ebook_utils import serve_file
 286     return serve_file(pdf_file.get_filename(),
 287                 book.slug + '.pdf', 'application/pdf')
 288
 289
 290 @login_required
 291 @never_cache
 292 def book_epub(request, slug):
 293     book = get_object_or_404(Book, slug=slug)
 294     if not book.accessible(request):
 295         return HttpResponseForbidden("Not authorized.")
 296
 297     # TODO: move to celery
 298     doc = book.wldocument(librarian2=True)
 299     # TODO: error handling
 300
 301     from librarian.builders import EpubBuilder
 302     epub = EpubBuilder(
 303         base_url='file://' + book.gallery_path() + '/'
 304     ).build(doc).get_bytes()
 305     response = HttpResponse(content_type='application/epub+zip')
 306     response['Content-Disposition'] = 'attachment; filename=%s' % book.slug + '.epub'
 307     response.write(epub)
 308     return response
 309
 310
 311 @login_required
 312 @never_cache
 313 def book_mobi(request, slug):
 314     book = get_object_or_404(Book, slug=slug)
 315     if not book.accessible(request):
 316         return HttpResponseForbidden("Not authorized.")
 317
 318     # TODO: move to celery
 319     doc = book.wldocument(librarian2=True)
 320     # TODO: error handling
 321     from librarian.builders import MobiBuilder
 322     mobi = MobiBuilder(
 323         base_url='file://' + book.gallery_path() + '/'
 324     ).build(doc).get_bytes()
 325     response = HttpResponse(content_type='application/x-mobipocket-ebook')
 326     response['Content-Disposition'] = 'attachment; filename=%s' % book.slug + '.mobi'
 327     response.write(mobi)
 328     return response
 329
 330
 331 @never_cache
 332 def revision(request, slug, chunk=None):
 333     try:
 334         doc = Chunk.get(slug, chunk)
 335     except (Chunk.MultipleObjectsReturned, Chunk.DoesNotExist):
 336         raise Http404
 337     if not doc.book.accessible(request):
 338         return HttpResponseForbidden("Not authorized.")
 339     return http.HttpResponse(str(doc.revision()))
 340
 341
 342 def book(request, slug):
 343     book = get_object_or_404(Book, slug=slug)
 344     if not book.accessible(request):
 345         return HttpResponseForbidden("Not authorized.")
 346
 347     if request.user.has_perm('documents.change_book'):
 348         if request.method == "POST":
 349             form = forms.BookForm(request.POST, instance=book)
 350             if form.is_valid():
 351                 form.save()
 352                 return http.HttpResponseRedirect(book.get_absolute_url())
 353         else:
 354             form = forms.BookForm(instance=book)
 355         publish_options_form = forms.PublishOptionsForm()
 356         editable = True
 357     else:
 358         form = forms.ReadonlyBookForm(instance=book)
 359         publish_options_form = forms.PublishOptionsForm()
 360         editable = False
 361
 362     publish_error = book.publishable_error()
 363     publishable = publish_error is None
 364
 365     stats = None
 366     try:
 367         doc = book.wldocument(librarian2=True)
 368     except:
 369         doc = None
 370     else:
 371         try:
 372             stats = doc.get_statistic()
 373         except:
 374             pass
 375
 376     return render(request, "documents/book_detail.html", {
 377         "book": book,
 378         "doc": doc,
 379         "stats": stats,
 380         "publishable": publishable,
 381         "publishable_error": publish_error,
 382         "form": form,
 383         "publish_options_form": publish_options_form,
 384         "editable": editable,
 385     })
 386
 387
 388 def image(request, slug):
 389     image = get_object_or_404(Image, slug=slug)
 390     if not image.accessible(request):
 391         return HttpResponseForbidden("Not authorized.")
 392
 393     if request.user.has_perm('documents.change_image'):
 394         if request.method == "POST":
 395             form = forms.ImageForm(request.POST, instance=image)
 396             if form.is_valid():
 397                 form.save()
 398                 return http.HttpResponseRedirect(image.get_absolute_url())
 399         else:
 400             form = forms.ImageForm(instance=image)
 401         editable = True
 402     else:
 403         form = forms.ReadonlyImageForm(instance=image)
 404         editable = False
 405
 406     publish_error = image.publishable_error()
 407     publishable = publish_error is None
 408
 409     return render(request, "documents/image_detail.html", {
 410         "object": image,
 411         "publishable": publishable,
 412         "publishable_error": publish_error,
 413         "form": form,
 414         "editable": editable,
 415     })
 416
 417
 418 @permission_required('documents.add_chunk')
 419 def chunk_add(request, slug, chunk):
 420     try:
 421         doc = Chunk.get(slug, chunk)
 422     except (Chunk.MultipleObjectsReturned, Chunk.DoesNotExist):
 423         raise Http404
 424     if not doc.book.accessible(request):
 425         return HttpResponseForbidden("Not authorized.")
 426
 427     if request.method == "POST":
 428         form = forms.ChunkAddForm(request.POST, instance=doc)
 429         if form.is_valid():
 430             if request.user.is_authenticated:
 431                 creator = request.user
 432             else:
 433                 creator = None
 434             doc.split(creator=creator,
 435                 slug=form.cleaned_data['slug'],
 436                 title=form.cleaned_data['title'],
 437                 gallery_start=form.cleaned_data['gallery_start'],
 438                 user=form.cleaned_data['user'],
 439                 stage=form.cleaned_data['stage']
 440             )
 441
 442             return http.HttpResponseRedirect(doc.book.get_absolute_url())
 443     else:
 444         form = forms.ChunkAddForm(initial={
 445                 "slug": str(doc.number + 1),
 446                 "title": "cz. %d" % (doc.number + 1, ),
 447         })
 448
 449     return render(request, "documents/chunk_add.html", {
 450         "chunk": doc,
 451         "form": form,
 452     })
 453
 454
 455 @login_required
 456 def chunk_edit(request, slug, chunk):
 457     try:
 458         doc = Chunk.get(slug, chunk)
 459     except (Chunk.MultipleObjectsReturned, Chunk.DoesNotExist):
 460         raise Http404
 461     if not doc.book.accessible(request):
 462         return HttpResponseForbidden("Not authorized.")
 463
 464     if request.method == "POST":
 465         form = forms.ChunkForm(request.POST, instance=doc)
 466         if form.is_valid():
 467             form.save()
 468             go_next = request.GET.get('next', None)
 469             if go_next:
 470                 go_next = quote_plus(unquote(iri_to_uri(go_next)), safe='/?=&')
 471             else:
 472                 go_next = doc.book.get_absolute_url()
 473             return http.HttpResponseRedirect(go_next)
 474     else:
 475         form = forms.ChunkForm(instance=doc)
 476
 477     referer = request.META.get('HTTP_REFERER')
 478     if referer:
 479         parts = urlsplit(referer)
 480         parts = ['', ''] + list(parts[2:])
 481         go_next = quote_plus(urlunsplit(parts))
 482     else:
 483         go_next = ''
 484
 485     return render(request, "documents/chunk_edit.html", {
 486         "chunk": doc,
 487         "form": form,
 488         "go_next": go_next,
 489     })
 490
 491
 492 @transaction.atomic
 493 @login_required
 494 @require_POST
 495 def chunk_mass_edit(request):
 496     ids = [int(i) for i in request.POST.get('ids').split(',') if i.strip()]
 497     chunks = list(Chunk.objects.filter(id__in=ids))
 498
 499     stage = request.POST.get('stage')
 500     if stage:
 501         try:
 502             stage = Chunk.tag_model.objects.get(slug=stage)
 503         except Chunk.DoesNotExist as e:
 504             stage = None
 505
 506         for c in chunks: c.stage = stage
 507
 508     username = request.POST.get('user')
 509     logger.info("username: %s" % username)
 510     logger.info(request.POST)
 511     if username:
 512         try:
 513             user = User.objects.get(username=username)
 514         except User.DoesNotExist as e:
 515             user = None
 516
 517         for c in chunks: c.user = user
 518
 519     project_id = request.POST.get('project')
 520     if project_id:
 521         try:
 522             project = Project.objects.get(pk=int(project_id))
 523         except (Project.DoesNotExist, ValueError) as e:
 524             project = None
 525         for c in chunks:
 526             book = c.book
 527             book.project = project
 528             book.save()
 529
 530     for c in chunks: c.save()
 531
 532     return HttpResponse("", content_type="text/plain")
 533
 534
 535 @transaction.atomic
 536 @login_required
 537 @require_POST
 538 def image_mass_edit(request):
 539     ids = map(int, filter(lambda i: i.strip()!='', request.POST.get('ids').split(',')))
 540     images = map(lambda i: Image.objects.get(id=i), ids)
 541
 542     stage = request.POST.get('stage')
 543     if stage:
 544         try:
 545             stage = Image.tag_model.objects.get(slug=stage)
 546         except Image.DoesNotExist as e:
 547             stage = None
 548
 549         for c in images: c.stage = stage
 550
 551     username = request.POST.get('user')
 552     logger.info("username: %s" % username)
 553     logger.info(request.POST)
 554     if username:
 555         try:
 556             user = User.objects.get(username=username)
 557         except User.DoesNotExist as e:
 558             user = None
 559
 560         for c in images: c.user = user
 561
 562     project_id = request.POST.get('project')
 563     if project_id:
 564         try:
 565             project = Project.objects.get(pk=int(project_id))
 566         except (Project.DoesNotExist, ValueError) as e:
 567             project = None
 568         for c in images:
 569             c.project = project
 570
 571     for c in images: c.save()
 572
 573     return HttpResponse("", content_type="text/plain")
 574
 575
 576 @permission_required('documents.change_book')
 577 def book_append(request, slug):
 578     book = get_object_or_404(Book, slug=slug)
 579     if not book.accessible(request):
 580         return HttpResponseForbidden("Not authorized.")
 581
 582     if request.method == "POST":
 583         form = forms.BookAppendForm(book, request.POST)
 584         if form.is_valid():
 585             append_to = form.cleaned_data['append_to']
 586             append_to.append(book)
 587             return http.HttpResponseRedirect(append_to.get_absolute_url())
 588     else:
 589         form = forms.BookAppendForm(book)
 590     return render(request, "documents/book_append_to.html", {
 591         "book": book,
 592         "form": form,
 593
 594         "logout_to": '/',
 595     })
 596
 597
 598 @require_POST
 599 @login_required
 600 def publish(request, slug):
 601     form = forms.PublishOptionsForm(request.POST)
 602     if form.is_valid():
 603         days = form.cleaned_data['days']
 604         beta = form.cleaned_data['beta']
 605         hidden = form.cleaned_data['hidden']
 606     else:
 607         days = 0
 608         beta = False
 609         hidden = False
 610     book = get_object_or_404(Book, slug=slug)
 611     if not book.accessible(request):
 612         return HttpResponseForbidden("Not authorized.")
 613
 614     try:
 615         protocol = 'https://' if request.is_secure() else 'http://'
 616         book.publish(request.user, host=protocol + request.get_host(), days=days, beta=beta, hidden=hidden)
 617     except NotAuthorizedError:
 618         return http.HttpResponseRedirect(reverse('apiclient_oauth' if not beta else 'apiclient_beta_oauth'))
 619     except BaseException as e:
 620         return http.HttpResponse(repr(e))
 621     else:
 622         return http.HttpResponseRedirect(book.get_absolute_url())
 623
 624
 625 @require_POST
 626 @login_required
 627 def publish_image(request, slug):
 628     image = get_object_or_404(Image, slug=slug)
 629     if not image.accessible(request):
 630         return HttpResponseForbidden("Not authorized.")
 631
 632     try:
 633         image.publish(request.user)
 634     except NotAuthorizedError:
 635         return http.HttpResponseRedirect(reverse('apiclient_oauth'))
 636     except BaseException as e:
 637         return http.HttpResponse(e)
 638     else:
 639         return http.HttpResponseRedirect(image.get_absolute_url())
 640
 641
 642 class GalleryView(UploadView):
 643     def get_object(self, request, slug):
 644         book = get_object_or_404(Book, slug=slug)
 645         if not book.gallery:
 646             raise Http404
 647         return book
 648
 649     def breadcrumbs(self):
 650         return [
 651             (_('books'), reverse('documents_document_list')),
 652             (self.object.title, self.object.get_absolute_url()),
 653             (_('scan gallery'),),
 654         ]
 655
 656     def get_directory(self):
 657         return "%s%s/" % (settings.IMAGE_DIR, self.object.gallery)
 658
 659
 660 def active_users_list(request, csv=False):
 661     year = int(request.GET.get('y', date.today().year))
 662     by_user = defaultdict(lambda: 0)
 663     by_email = defaultdict(lambda: 0)
 664     names_by_email = defaultdict(set)
 665     for change_model in (Chunk.change_model, Image.change_model):
 666         for c in change_model.objects.filter(
 667                 created_at__year=year).order_by(
 668                 'author', 'author_email', 'author_name').values(
 669                 'author', 'author_name', 'author_email').annotate(
 670                 c=Count('author'), ce=Count('author_email')).distinct():
 671             if c['author']:
 672                 by_user[c['author']] += c['c']
 673             else:
 674                 by_email[c['author_email']] += c['ce']
 675                 if (c['author_name'] or '').strip():
 676                     names_by_email[c['author_email']].add(c['author_name'])
 677     for user in User.objects.filter(pk__in=by_user):
 678         by_email[user.email] += by_user[user.pk]
 679         names_by_email[user.email].add("%s %s" % (user.first_name, user.last_name))
 680
 681     active_users = []
 682     for email, count in by_email.items():
 683         active_users.append((email, names_by_email[email], count))
 684     active_users.sort(key=lambda x: -x[2])
 685     if csv:
 686         return http.HttpResponse(
 687             '\n'.join((
 688                 ','.join(
 689                     (str(x[2]), x[0], ','.join(x[1]))
 690                 )
 691                 for x in active_users
 692             )),
 693             content_type='text/csv',
 694             headers={
 695                 'Content-Disposition': f'attachment; filename=redakcja-{year}.csv',
 696             }
 697         )
 698     else:
 699         return render(request, 'documents/active_users_list.html', {
 700             'users': active_users,
 701             'year': year,
 702         })
 703
 704
 705 @user_passes_test(lambda u: u.is_superuser)
 706 def mark_final(request):
 707     if request.method == 'POST':
 708         form = forms.MarkFinalForm(data=request.POST)
 709         if form.is_valid():
 710             form.save()
 711             return HttpResponseRedirect(reverse('mark_final_completed'))
 712     else:
 713         form = forms.MarkFinalForm()
 714     return render(request, 'documents/mark_final.html', {'form': form})
 715
 716
 717 def mark_final_completed(request):
 718     return render(request, 'documents/mark_final_completed.html')