added the capability of adding subtasks/dependencies .
from datetime import datetime
from django.http import HttpResponse
from django.shortcuts import render_to_response, redirect
from pytask.taskapp.models import User, Task, Comment, Claim
from pytask.taskapp.forms.task import TaskCreateForm, AddMentorForm, AssignTaskForm, AddTaskForm
from pytask.taskapp.events.task import createTask, addMentor, publishTask, addSubTask, addDep, addClaim, assignTask, getTask, updateTask
from pytask.taskapp.views.user import show_msg
## everywhere if there is no task, django should display 500 message.. but take care of that in sensitive views like add mentor and all
## do not create su user thro syncdb
def browse_tasks(request):
""" display all the tasks """
user = request.user
task_list = Task.objects.order_by('id').reverse()
context = {'user':user,
'task_list':task_list,
}
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
user = request.user
task = getTask(tid)
comments = Comment.objects.filter(task=task)
mentors = task.mentors.all()
subs = task.subs.all()
deps = task.deps.all()
errors = []
is_guest = True if not user.is_authenticated() else False
is_mentor = True if user in task.mentors.all() else False
context = {'user':user,
'task':task,
'comments':comments,
'mentors':mentors,
'subs':subs,
'deps':deps,
'is_guest':is_guest,
'is_mentor':is_mentor,
'errors':errors,
}
context['task_viewable'] = True if ( task.status not in ["UP", "DL"] ) or is_mentor else False
context['task_claimable'] = True if task.status in ["OP", "WR"] else False
context['can_mod_mentors'] = True if task.status in ["UP", "OP", "LO", "WR"] and is_mentor else False
context['can_mod_tasks'] = True if task.status in ["UP", "OP", "LO"] and is_mentor else False
context['can_assign_credits'] = True if task.status in ["OP", "WR"] and is_mentor else False
context['assigned_users'] = task.assigned_users.all()
if request.method == 'POST':
if not is_guest:
data = request.POST["data"]
task = getTask(tid)
new_comment = Comment(task=task, data=data, created_by=user, creation_datetime=datetime.now())
new_comment.save()
return redirect(task_url)
else:
errors.append("You must be logged in to post a comment")
return render_to_response('task/view.html', context)
else:
return render_to_response('task/view.html', context)
def create_task(request):
""" check for rights and create a task if applicable.
if user cannot create a task, redirect to homepage.
"""
user = request.user
is_guest = True if not user.is_authenticated() else False
if not is_guest:
user_profile = user.get_profile()
can_create_task = False if user_profile.rights == "CT" else True
if can_create_task:
if request.method == "POST":
form = TaskCreateForm(request.POST)
if form.is_valid():
data = form.cleaned_data
title = data['title']
desc = data['desc']
credits = data['credits']
publish = data['publish']
task = createTask(title,desc,user,credits)
if not task:
error_msg = "Another task with the same title exists"
return render_to_response('task/create.html',{'form':form, 'error_msg':error_msg})
addMentor(task, user)
updateTask(task,tags_field=data['tags_field'])
if publish: publishTask(task)
task_url = '/task/view/tid=%s'%task.id
return redirect(task_url)
else:
return render_to_response('task/create.html',{'form':form})
else:
form = TaskCreateForm()
return render_to_response('task/create.html',{'form':form})
else:
return show_msg('You are not authorised to create a task.')
else:
return show_msg('You are not authorised to create a task.')
def add_mentor(request, tid):
""" check if the current user has the rights to edit the task and add him.
if user is not authenticated, redirect him to concerned page. """
task_url = "/task/view/tid=%s"%tid
user = request.user
task = getTask(tid)
errors = []
is_guest = True if not user.is_authenticated() else False
if (not is_guest) and user in task.mentors.all():
## now iam going for a brute force method
user_list = list(User.objects.filter(is_active=True))
for mentor in task.mentors.all():
user_list.remove(mentor)
for a_user in task.claimed_users.all():
user_list.remove(a_user)
for a_user in task.assigned_users.all():
user_list.remove(a_user)
non_mentors = ((_.id,_.username) for _ in user_list)
## code till must be made elegant and not brute force like above
form = AddMentorForm(non_mentors)
if request.method == "POST":
uid = request.POST['mentor']
new_mentor = User.objects.get(id=uid)
addMentor(task, new_mentor)
return redirect(task_url)
else:
return render_to_response('task/addmentor.html', {'form':form, 'errors':errors})
else:
return show_msg('You are not authorised to add mentors for this task', task_url, 'view the task')
def add_tasks(request, tid):
""" first display tasks which can be subtasks for the task and do the rest.
"""
task_url = "/task/view/tid=%s"%tid
user = request.user
task = getTask(tid)
deps = task.deps.all()
subs = task.subs.all()
is_plain = False if deps or subs else True
## again a brute force method
valid_tasks = []
for a_task in Task.objects.all():
if not ( a_task.status in deps or a_task in subs or a_task.status=="CD" or a_task==task ):
valid_tasks.append(a_task)
task_choices = [ (_.id,_.title) for _ in valid_tasks ]
errors = []
is_guest = True if not user.is_authenticated() else False
if (not is_guest) and user in task.mentors.all():
if task.status in ["UP", "OP", "LO"]:
form = AddTaskForm(task_choices, is_plain)
if request.method == "POST":
## first decide if adding subs and deps can be in same page
## only exclude tasks with status deleted
data = request.POST
print data
if is_plain and not data.get('type', None): errors.append('Please choose which type of task(s) do you want to add.')
if not data.get('task', None): errors.append('Please choose a one task')
if not errors:
if is_plain:
update_method = addDep if data['type'] == "D" else addSubTask
elif deps:
update_method = addDep
elif subs:
update_method = addSubTask
else:
print "Screw you"
## we might iterate over a task list later on
task_id = data['task']
sub_or_dep = getTask(task_id)
print task_id, sub_or_dep
update_method(task, sub_or_dep)
return redirect(task_url)
else:
return render_to_response('task/addtask.html', {'user':user, 'form':form, 'errors':errors})
else:
return render_to_response('task/addtask.html', {'user':user, 'form':form, 'errors':errors})
else:
errors = ["The task cannot be added subtasks or dependencies in this state"]
# return render_to_response('task/add.html', {'form':form, 'errors':errors})
return show_msg('The task cannot be added subtasks or dependencies now', task_url, 'view the task')
else:
return show_msg('You are not authorised to add subtasks or dependencies for this task', task_url, 'view the task')
def remove_task(request, tid):
""" display a list of tasks and remove the selectes ones.
"""
pass
def claim_task(request, tid):
""" display a list of claims for get and display submit only if claimable """
## create claims model and create a new database with required tables for it
## see if that "one to n" or "n to one" relationship has a special field
task_url = "/task/view/tid=%s"%tid
claim_url = "/task/claim/tid=%s"%tid
errors = []
user = request.user
task = getTask(tid)
claims = Claim.objects.filter(task=task)
mentors = task.mentors.all()
claimed_users = task.claimed_users.all()
assigned_users = task.assigned_users.all()
is_guest = True if not user.is_authenticated() else False
is_mentor = True if user in mentors else False
task_claimable = True if task.status in ["OP", "WR"] else False
user_can_claim = True if task_claimable and not ( is_guest or is_mentor ) and ( user not in claimed_users ) and ( user not in assigned_users ) else False
task_claimed = True if claimed_users else False
context = {'user':user,
'is_mentor':is_mentor,
'task':task,
'claims':claims,
'user_can_claim':user_can_claim,
'task_claimable':task_claimable,
'task_claimed':task_claimed,
'errors':errors}
if not is_guest:
if request.method == "POST":
claim_proposal = request.POST['message']
if claim_proposal:
addClaim(task, claim_proposal, user)
return redirect(claim_url)
else:
errors.append('Please fill up proposal in the field below')
return render_to_response('task/claim.html', context)
else:
return render_to_response('task/claim.html', context)
else:
return show_msg('You are not logged in to view claims for this task', task_url, 'view the task')
def assign_task(request, tid):
""" first get the status of the task and then assign it to 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
task = getTask(tid)
is_guest = True if not user.is_authenticated() else False
is_mentor = True if user in task.mentors.all() else False
claimed_users = task.claimed_users.all()
assigned_users = task.assigned_users.all()
task_claimed = True if claimed_users else False
if (not is_guest) and is_mentor:
if task_claimed:
user_list = ((user.id,user.username) for user in claimed_users)
form = AssignTaskForm(user_list)
if request.method == "POST":
uid = request.POST['user']
assigned_user = User.objects.get(id=uid)
assignTask(task, assigned_user)
return redirect(task_url)
else:
return render_to_response('task/assign.html',{'form':form})
elif assigned_users:
return show_msg('When the no of users you need for the task is more than the no of users willing to do the task, I\'d say please re consider the task :P',task_url, 'view the task')
else:
return show_msg('Wait for ppl to claim dude... slow and steady wins the race :)', task_url, 'view the task')
else:
return show_msg('You are not authorised to perform this action', task_url, 'view the task')
def edit_task(request, tid):
""" see what are the attributes that can be edited depending on the current status
and then give the user fields accordingly.
"""
task = Task.objects.get(id=tid)