src/catalogue/views.py

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