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views.py
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views.py
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"""
TODO
- write function to check a Draft for missing requirements before
transformation into an Entry, and report that data when the
transformation fails, instead of just "It failed" msg
- File upload functionality
- Setting datetime
- display list of files in zipfile resources
- display code for code resources
"""
import datetime, os.path
from django.template import RequestContext
from django.shortcuts import render_to_response
from django.http import Http404, HttpResponseRedirect, HttpResponseServerError
from lifeflow.models import *
from django.http import HttpResponse
from django.contrib.auth.decorators import login_required
from django.conf import settings
from django.contrib.auth import logout as auth_logout
from django.contrib.auth import login as auth_login
from django.contrib.auth import views, authenticate
def slugify(str):
# This could be substantially more robust,
# but for the moment it suffices.
return str.lower().replace(' ','-').replace('.','-').replace(',','-')[:95]
def login(request):
error_msg = u""
if request.method == "POST":
POST = request.POST.copy()
username = POST.get('username',"")
password = POST.get('password',"")
if username == "" or password == "":
error_msg = u"Your username AND password, si vous plait."
else:
user = authenticate(username=username, password=password)
if user is not None:
if user.is_active:
auth_login(request, user)
return HttpResponseRedirect("/editor/")
else:
error_msg = u"It works better when the username and password match."
return render_to_response("lifeflow/editor/login.html",
{"login_screen":True,
'error_message':error_msg})
def logout(request):
auth_logout(request)
return HttpResponseRedirect("/")
@login_required
def overview(request):
rough = Draft.objects.filter(edited=False)
edited = Draft.objects.filter(edited=True)
published = Entry.objects.all()
return render_to_response('lifeflow/editor/overview.html',
{'rough':rough,
'edited':edited,
'published':published},
RequestContext(request, {}))
@login_required
def comments(request):
comments = Comment.objects.all()
return render_to_response('lifeflow/editor/comments.html',
{'comments':comments},
RequestContext(request,{}))
@login_required
def blogroll(request):
blogroll = RecommendedSite.objects.all()
return render_to_response('lifeflow/editor/blogroll.html',
{'blogroll':blogroll},
RequestContext(request,{}))
@login_required
def files(request):
resources = Resource.objects.all()
return render_to_response('lifeflow/editor/files.html',
{'resources':resources},
RequestContext(request,{}))
@login_required
def projects(request):
projects = Project.objects.all()
return render_to_response('lifeflow/editor/projects.html',
{'projects':projects},
RequestContext(request,{}))
@login_required
def project_details(request, id):
project = Project.objects.get(pk=id)
return render_to_response('lifeflow/editor/project_details.html',
{'object':project},
RequestContext(request,{}))
@login_required
def project_body(request, id):
project = Project.objects.get(pk=id)
resources = Resource.objects.all()
return render_to_response('lifeflow/editor/project_body.html',
{'object':project,
'resources':resources},
RequestContext(request,{}))
BOOLEAN_FIELDS = ["send_ping", "allow_comments", "use_markdown"]
MANY_TO_MANY_FIELDS = ["flows", "tags", "series", "authors"]
SPECIAL_FIELDS = ["translation"]
@login_required
def update(request):
dict = request.POST.copy()
id = dict.pop('pk')[0]
model = dict.pop('model')[0]
if model == u"draft":
object = Draft.objects.get(pk=id)
elif model == u"project":
object = Project.objects.get(pk=id)
else:
object = Entry.objects.get(pk=id)
obj_dict = object.__dict__
for key in dict.keys():
if obj_dict.has_key(key):
val = dict[key]
if key in BOOLEAN_FIELDS:
if val == u"true":
val = True
elif val == u"false":
val = False
obj_dict[key] = val
elif key in MANY_TO_MANY_FIELDS:
vals = dict.getlist(key)
manager = getattr(object, key)
manager.clear()
manager.add(*vals)
object.save()
return HttpResponse("success")
def get_class(str):
return {"comment":Comment, "project":Project, "flow":Flow, "tag":Tag, "series":Series, "draft":Draft, "entry":Entry, "author":Author, "resource":Resource, "recommendedsite":RecommendedSite}[str]
@login_required
def delete_model(request):
cls = get_class(request.POST['model'])
pk = request.POST['pk']
try:
cls.objects.get(pk=pk).delete()
return HttpResponse("success")
except:
return HttpResponseServerError(u"fail")
@login_required
def create_model(request):
def unique(slug, model):
if model.objects.filter(slug=slug).count() == 0:
return True
return False
toReturn = HttpResponseRedirect(request.META['HTTP_REFERER'])
model = request.POST['model']
if model in [u"flow", u"tag", u"series"]:
cls = get_class(model)
title = request.POST[u'title']
slug = slugify(title)
if unique(slug, cls):
f = cls(title=title, slug=slug)
f.save()
elif model == u"translation":
translated_pk = int(request.POST[u'pk'])
translated = Entry.objects.get(pk=translated_pk)
original_pk = int(request.POST[u'original'])
language_pk = int(request.POST[u'language'])
if original_pk == -1 or language_pk == -1:
[ x.delete() for x in Translation.objects.filter(original=translated)]
[ x.delete() for x in Translation.objects.filter(translated=translated)]
else:
original = Entry.objects.get(pk=original_pk)
language = Language.objects.get(pk=language_pk)
t = Translation(language=language,original=original,translated=translated)
t.save()
# update toReturn to return rendered template of translations
translations = Translation.objects.filter(translated=translated)
toReturn = render_to_response('lifeflow/editor/translations.html',
{'translations':translations},
RequestContext(request, {}))
elif model == u"recommendedsite":
title = request.POST[u'title']
url = request.POST[u'url']
f = RecommendedSite(title=title, url=url)
f.save()
return toReturn
@login_required
def add_resource(request):
file = request.FILES['file']
title = request.POST['title']
markdown_id = request.POST['markdown_id']
filename = file['filename']
filebase = '%s/lifeflow/resource/' % settings.MEDIA_ROOT
filepath = "%s%s" % (filebase, filename)
while (os.path.isfile(filepath)):
filename = "_%s" % filename
filepath = "%s%s" % (filebase, filename)
fd = open(filepath, 'wb')
fd.write(file['content'])
fd.close()
rec = Resource(title=title, markdown_id=markdown_id, content="lifeflow/resource/%s" % filename)
rec.save()
id = request.POST['pk']
model = request.POST['model']
return HttpResponseRedirect(request.META['HTTP_REFERER'])
#return HttpResponseRedirect("/editor/edit/%s/%s/2/" % (model, id))
IMAGE_EXTS = ["jpg", "jpeg", "png", "gif"]
ZIP_EXTS = ["zip"]
CODE_EXTS = ["css", "html", "htm", "c", "o", "py", "lisp", "js", "xml",
"java", "rb"]
@login_required
def display_resource(request, id):
def guess_type(resource):
path = resource.content
print path
ext = path.split(".")[-1]
print ext
if ext in IMAGE_EXTS:
return "image"
elif ext in ZIP_EXTS:
return "zip"
elif ext in CODE_EXTS:
return "code"
else:
return "file"
res = Resource.objects.get(pk=id)
file = res.content.split("/")[-1]
type = guess_type(res)
return render_to_response('lifeflow/editor/resource.html',
{'object':res,
'file':file,
'type':type},
RequestContext(request, {}))
@login_required
def edit_one(request, category, id):
if category == "entry":
obj = Entry.objects.get(pk=id)
else:
obj = Draft.objects.get(pk=id)
return render_to_response('lifeflow/editor/edit_one.html',
{'object':obj,
'model':category},
RequestContext(request, {}))
@login_required
def edit_two(request, category, id):
resources = Resource.objects.all()
if category == "entry":
obj = Entry.objects.get(pk=id)
else:
obj = Draft.objects.get(pk=id)
return render_to_response('lifeflow/editor/edit_two.html',
{'object':obj,
'resources':resources,
'model':category},
RequestContext(request, {}))
@login_required
def edit_three(request, category, id):
if category == "entry":
obj = Entry.objects.get(pk=id)
else:
obj = Draft.objects.get(pk=id)
obj_flows = obj.flows.all()
flows = [ (x, x in obj_flows) for x in Flow.objects.all()]
return render_to_response('lifeflow/editor/edit_three.html',
{'object':obj,
'flows':flows,
'model':category},
RequestContext(request, {}))
@login_required
def edit_four(request, category, id):
if category == "entry":
obj = Entry.objects.get(pk=id)
else:
obj = Draft.objects.get(pk=id)
obj_tags = obj.tags.all()
tags = [ (x, x in obj_tags) for x in Tag.objects.all()]
return render_to_response('lifeflow/editor/edit_four.html',
{'object':obj,
'tags':tags,
'model':category},
RequestContext(request, {}))
@login_required
def edit_five(request, category, id):
if category == "entry":
obj = Entry.objects.get(pk=id)
else:
obj = Draft.objects.get(pk=id)
obj_series = obj.series.all()
series = [ (x, x in obj_series) for x in Series.objects.all()]
return render_to_response('lifeflow/editor/edit_five.html',
{'object':obj,
'series':series,
'model':category},
RequestContext(request, {}))
@login_required
def edit_six(request, category, id):
if category == "entry":
obj = Entry.objects.get(pk=id)
else:
obj = Draft.objects.get(pk=id)
return render_to_response('lifeflow/editor/edit_six.html',
{'object':obj,
'model':category},
RequestContext(request, {}))
@login_required
def edit_seven(request, category, id):
if category == "entry":
obj = Entry.objects.get(pk=id)
else:
obj = Draft.objects.get(pk=id)
obj_authors = obj.authors.all()
authors = [ (x, x in obj_authors) for x in Author.objects.all()]
langs = Language.objects.all()
entries = Entry.objects.all()
translations = Translation.objects.filter(translated=obj)
return render_to_response('lifeflow/editor/edit_seven.html',
{'object':obj,
'authors':authors,
'langs':langs,
'entries':entries,
'translations':translations,
'model':category},
RequestContext(request, {}))
@login_required
def rough_to_edited(request, id):
try:
obj = Draft.objects.get(pk=id)
obj.edited = True
obj.save()
return HttpResponse(u"%s" % obj.pk)
except:
return HttpResponseServerError(u"Failed.")
@login_required
def edited_to_rough(request, id):
try:
obj = Draft.objects.get(pk=id)
obj.edited = False
obj.save()
return HttpResponse(u"%s" % obj.pk)
except:
return HttpResponseServerError(u"Failed.")
@login_required
def edited_to_published(request, id):
def check(dict):
complaints = []
if dict[u"title"] in [None, u""]:
complaints.append("You need to give the entry a title first.")
if dict[u"body"] in [None, u""]:
complaints.append("You'll need to fill out the article a bit before publishing it.")
if complaints == []:
return True
else:
return "\n<br>\n".join(complaints)
def transform(draft):
dict = draft.__dict__.copy()
del dict['id']
if dict['pub_date'] is None:
dict['pub_date'] = datetime.datetime.now()
del dict['edited']
if dict['slug'] is None and dict['title'] is not None:
dict['slug'] = slugify(dict['title'])
entry = Entry(**dict)
valid = check(entry.__dict__)
if valid != True:
return None, valid
else:
entry.save()
for field in MANY_TO_MANY_FIELDS:
getattr(entry, field).add(*getattr(draft, field).all())
return entry, True
try:
draft = Draft.objects.get(pk=id)
entry, result = transform(draft)
if result == True:
draft.delete()
return HttpResponse(u"%s" % entry.pk)
else:
return HttpResponseServerError(result)
except TypeError:
return HttpResponseServerError(u"The draft is missing required fields.")
except:
return HttpResponseServerError(u"The update made it to the server, but failed for unknown reasons.")
@login_required
def published_to_edited(request, id):
def transform(entry):
dict = entry.__dict__.copy()
dict['edited'] = True
del dict['body_html']
del dict['id']
draft = Draft(**dict)
draft.save()
for field in MANY_TO_MANY_FIELDS:
getattr(draft, field).add(*getattr(entry, field).all())
return draft
try:
entry = Entry.objects.get(pk=id)
draft = transform(entry)
entry.delete()
return HttpResponse(u"%s" % draft.pk)
except:
return HttpResponseServerError(u"Update failed.")
@login_required
def create(request):
obj = Draft()
obj.save()
return HttpResponseRedirect("../edit/draft/%s/1/" % obj.pk)
@login_required
def create_project(request):
obj = Project()
obj.save()
return HttpResponseRedirect("/editor/projects/%s/details/" % obj.pk)
@login_required
def render(request, model=None, id=None):
if id is None:
txt = dbc_markup(request.POST['txt'])
else:
if model == u"draft":
obj = Draft.objects.get(pk=id)
elif model ==u"entry":
obj = Entry.objects.get(pk=id)
elif model == u"project":
obj = Project.objects.get(pk=id)
if obj.use_markdown:
txt = dbc_markup(obj.body, obj)
else:
txt = obj.body
return HttpResponse(txt)