from datetime import datetime
from django.contrib.auth.models import User
from django.shortcuts import render_to_response, redirect
from django.http import Http404
from django.contrib.auth.decorators import login_required
from django.core.context_processors import csrf
from django.views.decorators.csrf import csrf_protect
from pytask.utils import make_key
from pytask.views import show_msg
from pytask.taskapp.models import Task, TaskComment, TaskClaim, TextBook, \
WorkReport
from pytask.taskapp.forms import CreateTaskForm, EditTaskForm, \
TaskCommentForm, ClaimTaskForm, \
ChoiceForm, EditTaskForm, CreateTextbookForm,\
EditTextbookForm, WorkReportForm
from pytask.taskapp.utils import getTask, getTextBook
from pytask.profile.utils import get_notification
@login_required
def create_task(request):
user = request.user
profile = user.get_profile()
context = {"user": user,
"profile": profile,
}
context.update(csrf(request))
can_create_task = False if profile.rights == "CT" else True
if can_create_task:
if request.method == "POST":
form = CreateTaskForm(request.POST)
if form.is_valid():
data = form.cleaned_data.copy()
data.update({"created_by": user,
"creation_datetime": datetime.now(),
"uniq_key": make_key(Task),
})
task = Task(**data)
task.save()
task_url = '/task/view/tid=%s'%task.uniq_key
return redirect(task_url)
else:
context.update({'form':form})
return render_to_response('task/create.html', context)
else:
form = CreateTaskForm()
context.update({'form':form})
return render_to_response('task/create.html', context)
else:
return show_msg(user, 'You are not authorised to create a task.')
def browse_tasks(request):
open_tasks = Task.objects.filter(status="OP")
working_tasks = Task.objects.filter(status="WR")
comp_tasks = Task.objects.filter(status="CM")
context = {"open_tasks": open_tasks,
"working_tasks": working_tasks,
"comp_tasks": comp_tasks,
}
user = request.user
if not user.is_authenticated():
return render_to_response("task/browse.html")
profile = user.get_profile()
can_approve = True if profile.rights in ["MG", "DC"] else False
unpub_tasks = Task.objects.filter(status="UP").exclude(status="DL")
if can_approve:
context.update({"unpub_tasks": unpub_tasks})
context.update({"user": user,
"profile": profile,
})
return render_to_response("task/browse.html", context)
def view_task(request, tid):
""" get the task depending on its tid and display accordingly if it is a get.
check for authentication and add a comment if it is a post request.
"""
task_url = "/task/view/tid=%s"%tid
task = getTask(tid)
user = request.user
if not user.is_authenticated():
return render_to_response("/task/view.html", {"task": task})
profile = user.get_profile()
context = {"user": user,
"profile": profile,
"task": task,
}
context.update(csrf(request))
if task.status == "DL":
return show_msg(user, 'This task no longer exists', '/task/browse/','browse the tasks')
task_viewable = True if ( task.status != "UP" ) or profile.rights != "CT"\
else False
if not task_viewable:
return show_msg(user, "You are not authorised to view this task", "/task/browse/", "browse the tasks")
reviewers = task.reviewers.all()
is_reviewer = True if user in task.reviewers.all() else False
comments = task.comments.filter(is_deleted=False).order_by('comment_datetime')
context.update({'is_reviewer':is_reviewer,
'comments':comments,
'reviewers':reviewers,
})
claimed_users = task.claimed_users.all()
selected_users = task.selected_users.all()
is_creator = True if user == task.created_by else False
has_claimed = True if user in claimed_users else False
context['selected_users'] = selected_users
context['is_selected'] = True if user in selected_users else False
context['can_approve'] = True if task.status == "UP" and\
profile.rights in ["MG", "DC"]\
else False
context['can_edit'] = True if is_creator and task.status == "UP" else False
context['can_close'] = True if task.status not in ["UP", "CD", "CM"] and is_reviewer else False
context['can_delete'] = True if task.status == "UP" and is_creator else False
context['can_assign_pynts'] = True if task.status in ["OP", "WR"] and is_reviewer else False
context['task_claimable'] = True if task.status in ["OP", "WR"] else False
context['can_comment'] = True if task.status != "UP" or\
profile.rights!="CT" else False
context['can_mod_reviewers'] = True if profile.rights in ["MG", "DC"] else\
False
# if task.status == "CD":
# context['closing_notification'] = Notification.objects.filter(task=task,role="CD")[0]
# elif task.status == "CM":
# context['completed_notification'] = Notifications.objects.filter(task=task,role="CM")[0]
# elif task.status == "WR":
# context['assigned_users'] = task.assigned_users.all()
if request.method == 'POST':
form = TaskCommentForm(request.POST)
if form.is_valid():
data = form.cleaned_data['data']
new_comment = TaskComment(task=task, data=data,
uniq_key=make_key(TaskComment),
commented_by=user, comment_datetime=datetime.now())
new_comment.save()
return redirect(task_url)
else:
context['form'] = form
return render_to_response('task/view.html', context)
else:
form = TaskCommentForm()
context['form'] = form
return render_to_response('task/view.html', context)
@login_required
def edit_task(request, tid):
""" only creator gets to edit the task and that too only before it gets
approved.
"""
user = request.user
profile = user.get_profile()
task_url = "/task/view/tid=%s"%tid
task = getTask(tid)
is_creator = True if user == task.created_by else False
can_edit = True if task.status == "UP" and is_creator else False
if not can_edit:
raise Http404
context = {"user": user,
"profile": profile,
"task": task,
}
context.update(csrf(request))
if request.method == "POST":
form = EditTaskForm(request.POST, instance=task)
if form.is_valid():
form.save()
return redirect(task_url)
else:
context.update({"form": form})
return render_to_response("task/edit.html", context)
else:
form = EditTaskForm(instance=task)
context.update({"form": form})
return render_to_response("task/edit.html", context)
@login_required
def approve_task(request, tid):
user = request.user
profile = user.get_profile()
task_url = "/task/view/tid=%s"%tid
task = getTask(tid)
if profile.rights not in ["MG", "DC"] or task.status != "UP":
raise Http404
context = {"user": user,
"profile": profile,
"task": task,
}
return render_to_response("task/confirm_approval.html", context)
@login_required
def approved_task(request, tid):
user = request.user
profile = user.get_profile()
task_url = "/task/view/tid=%s"%tid
task = getTask(tid)
if profile.rights not in ["MG", "DC"] or task.status != "UP":
raise Http404
task.approved_by = user
task.approval_datetime = datetime.now()
task.status = "OP"
task.save()
context = {"user": user,
"profile": profile,
"task": task,
}
return render_to_response("task/approved_task.html", context)
@login_required
def addreviewer(request, tid):
user = request.user
profile = user.get_profile()
task_url = "/task/view/tid=%s"%tid
task = getTask(tid)
can_mod_reviewers = True if profile.rights in ["MG", "DC"] else False
if not can_mod_reviewers:
raise Http404
context = {"user": user,
"profile": profile,
"task": task,
}
context.update(csrf(request))
# This part has to be made better
reviewer_choices = User.objects.filter(is_active=True).\
exclude(reviewing_tasks__uniq_key=tid).\
exclude(claimed_tasks__uniq_key=tid).\
exclude(selected_tasks__uniq_key=tid).\
exclude(created_tasks__uniq_key=tid)
choices = ((a_user.id,a_user.username) for a_user in reviewer_choices)
label = "Reviewer"
if request.method == "POST":
form = ChoiceForm(choices, data=request.POST, label=label)
if form.is_valid():
data = form.cleaned_data.copy()
uid = data['choice']
reviewer = User.objects.get(id=uid)
task.reviewers.add(reviewer)
return redirect(task_url)
else:
context.update({"form": form})
return render_to_response("task/addreviewer.html", context)
else:
form = ChoiceForm(choices, label=label)
context.update({"form": form})
return render_to_response("task/addreviewer.html", context)
def view_work(request, tid):
task_url = "/task/view/tid=%s"%tid
task = getTask(tid)
user = request.user
old_reports = task.reports.all()
context = {"task": task,
"old_reports": old_reports,
}
if not user.is_authenticated():
return render_to_response("/task/view_work.html", context)
profile = user.get_profile()
context.update({"user": user,
"profile": profile,
})
context.update(csrf(request))
working_users = task.selected_users.all()
is_working = True if user in working_users else False
context.update({"is_working": is_working})
return render_to_response("task/view_work.html", context)
@login_required
def view_report(request, rid):
try:
report = WorkReport.objects.get(uniq_key=rid)
except WorkReport.DoesNotExist:
raise Http404
user = request.user
context = {"report": report,
"user": user,
}
if not user.is_authenticated():
return render_to_response("task/view_report.html", context)
profile = user.get_profile()
context.update({"profile": profile})
return render_to_response("task/view_report.html", context)
@login_required
def submit_report(request, tid):
""" Check if the work is in WR state and the user is in assigned_users.
"""
user = request.user
task = getTask(tid)
old_reports = task.reports.all()
if not task.status == "WR":
raise Http404
can_upload = True if user in task.selected_users.all() else False
context = {
'user': user,
'task': task,
'can_upload': can_upload,
}
context.update(csrf(request))
if request.method == "POST":
if not can_upload:
return show_msg(user, "You are not authorised to upload data to this task", task_url, "view the task")
form = WorkReportForm(request.POST, request.FILES)
if form.is_valid():
data = form.cleaned_data.copy()
data.update({"task":task,
"revision": old_reports.count(),
"uniq_key": make_key(WorkReport),
"submitted_by": user,
"submitted_at": datetime.now(),
})
r = WorkReport(**data)
r.save()
report_url = "/task/view/report/rid=%s"%r.uniq_key
return redirect(report_url)
else:
context.update({"form":form})
return render_to_response('task/submit_report.html', context)
else:
form = WorkReportForm()
context.update({"form":form})
return render_to_response('task/submit_report.html', context)
@login_required
def create_textbook(request):
user = request.user
profile = user.get_profile()
can_create = True if profile.rights != "CT" else False
if not can_create:
raise Http404
context = {"user": user,
"profile": profile,
}
context.update(csrf(request))
if request.method == "POST":
form = CreateTextbookForm(request.POST)
if form.is_valid():
data = form.cleaned_data.copy()
data.update({"uniq_key": make_key(TextBook),
"created_by": user,
"creation_datetime": datetime.now()})
del data['chapters']
new_textbook = TextBook(**data)
new_textbook.save()
new_textbook.chapters = form.cleaned_data['chapters']
textbook_url = "/task/textbook/view/tid=%s"%new_textbook.uniq_key
return redirect(textbook_url)
else:
context.update({"form": form})
return render_to_response("task/create_textbook.html", context)
else:
form = CreateTextbookForm()
context.update({"form": form})
return render_to_response("task/create_textbook.html", context)
def view_textbook(request, tid):
textbook = getTextBook(tid)
textbook_url = "/task/textbook/view/tid=%s"%textbook.uniq_key
user = request.user
if not user.is_authenticated():
return render_to_response("task/view_textbook.html", {"user": user})
profile = user.get_profile()
context = {"user": user,
"profile": profile,
"textbook": textbook,
}
context.update(csrf(request))
chapters = Task.objects.filter(status="UP")
can_edit = True if user == textbook.created_by and textbook.status == "UP"\
else False
can_approve = True if profile.rights in ["MG", "DC"] and \
textbook.status == "UP" else False
context.update({"chapters": chapters,
"can_edit": can_edit,
"can_approve": can_approve})
return render_to_response("task/view_textbook.html", context)
def browse_textbooks(request):
user = request.user
open_textbooks = TextBook.objects.filter(status="OP").\
order_by("creation_datetime")
comp_textbooks = TextBook.objects.filter(status="CM").\
order_by("creation_datetime")
context = {"user": user,
"open_textbooks": open_textbooks,
"comp_textbooks": comp_textbooks,
}
if user.is_authenticated() and user.get_profile().rights in ["DC", "MG"]:
unpub_textbooks = TextBook.objects.filter(status="UP")
context.update({"unpub_textbooks": unpub_textbooks})
return render_to_response("task/browse_textbooks.html", context)
@login_required
def edit_textbook(request, tid):
user = request.user
profile = user.get_profile()
textbook = getTextBook(tid)
textbook_url = "/task/textbook/view/tid=%s"%textbook.uniq_key
can_edit = True if user == textbook.created_by and textbook.status == "UP"\
else False
if not can_edit:
raise Http404
context = {"user": user,
"profile": profile,
"textbook": textbook,
}
context.update(csrf(request))
if request.method == "POST":
form = EditTextbookForm(request.POST, instance=textbook)
if form.is_valid():
form.save()
return redirect(textbook_url)
else:
context.update({"form": form})
return render_to_response("task/edit_textbook.html", context)
else:
form = EditTextbookForm(instance=textbook)
context.update({"form": form})
return render_to_response("task/edit_textbook.html", context)
@login_required
def claim_task(request, tid):
task_url = "/task/view/tid=%s"%tid
claim_url = "/task/claim/tid=%s"%tid
task = getTask(tid)
if task.status == "UP":
raise Http404
user = request.user
profile = user.get_profile()
context = {"user": user,
"profile": profile,
"task": task,
}
context.update(csrf(request))
reviewers = task.reviewers.all()
claimed_users = task.claimed_users.all()
selected_users = task.selected_users.all()
is_creator = True if user == task.created_by else False
is_reviewer = True if user in reviewers else False
has_claimed = True if user in claimed_users else False
task_claimable = True if task.status in ["OP", "WR"] else False
can_claim = True if task_claimable and ( not has_claimed )\
and ( not is_reviewer ) and (not is_creator ) \
else False
old_claims = task.claims.all()
context.update({"is_creator": is_creator,
"task_claimable": task_claimable,
"can_claim": can_claim,
"old_claims": old_claims})
if request.method == "POST" and can_claim:
form = ClaimTaskForm(request.POST)
if form.is_valid():
data = form.cleaned_data.copy()
data.update({"uniq_key": make_key(TaskClaim),
"task": task,
"claim_datetime": datetime.now(),
"claimed_by": user,})
new_claim = TaskClaim(**data)
new_claim.save()
task.claimed_users.add(user)
task.save()
return redirect(claim_url)
else:
context.update({"form": form})
return render_to_response("task/claim.html", context)
else:
form = ClaimTaskForm()
context.update({"form": form})
return render_to_response("task/claim.html", context)
@login_required
def select_user(request, tid):
""" first get the status of the task and then select one of claimed users
generate list of claimed users by passing it as an argument to a function.
"""
task_url = "/task/view/tid=%s"%tid
user = request.user
profile = user.get_profile()
task = getTask(tid)
context = {"user": user,
"profile": profile,
"task": task,
}
context.update(csrf(request))
claimed_users = task.claimed_users.all()
selected_users = task.selected_users.all()
task_claimed = True if claimed_users else False
is_creator = True if user == task.created_by else False
if ( is_creator or profile.rights in ["CR", "DC"] ) and \
task.status in ["OP", "WR"]:
if task_claimed:
user_list = ((user.id,user.username) for user in claimed_users)
if request.method == "POST":
form = ChoiceForm(user_list, request.POST)
if form.is_valid():
uid = form.cleaned_data['choice']
selected_user = User.objects.get(id=uid)
task.selected_users.add(selected_user)
task.claimed_users.remove(selected_user)
task.status = "WR"
task.save()
return redirect(task_url)
else:
context.update({"form": form})
return render_to_response('task/select_user.html', context)
else:
form = ChoiceForm(user_list)
context.update({"form": form})
return render_to_response('task/select_user.html', context)
else:
return show_msg(user, 'There are no pending claims for this task',
task_url, 'view the task')
else:
raise Http404
@login_required
def approve_textbook(request, tid):
user = request.user
profile = user.get_profile()
textbook_url = "/task/view/tid=%s"%tid
textbook = getTextBook(tid)
if profile.rights not in ["MG", "DC"] or textbook.status != "UP":
raise Http404
context = {"user": user,
"profile": profile,
"textbook": textbook,
}
return render_to_response("task/confirm_textbook_approval.html", context)
@login_required
def approved_textbook(request, tid):
user = request.user
profile = user.get_profile()
textbook_url = "/task/view/tid=%s"%tid
textbook = getTextBook(tid)
if profile.rights not in ["MG", "DC"] or textbook.status != "UP":
raise Http404
textbook.approved_by = user
textbook.approval_datetime = datetime.now()
textbook.status = "OP"
textbook.save()
context = {"user": user,
"profile": profile,
"textbook": textbook,
}
return render_to_response("task/approved_textbook.html", context)