taskapp/views/task.py
author nishanth
Fri, 26 Feb 2010 01:23:17 +0530
changeset 108 131554cc3434
parent 105 091b044a3bf4
child 109 a381c91a1618
permissions -rw-r--r--
updated show_msg method to also use the user variable in the context.
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from datetime import datetime
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from django.http import HttpResponse
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from django.shortcuts import render_to_response, redirect
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from pytask.taskapp.models import User, Task, Comment, Claim, Credit
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from pytask.taskapp.forms.task import TaskCreateForm, AddMentorForm, AddTaskForm, ChoiceForm, AssignCreditForm, RemoveUserForm
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from pytask.taskapp.events.task import createTask, reqMentor, publishTask, addSubTask, addDep, addClaim, assignTask, getTask, updateTask, removeTask, removeUser, assignCredits
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from pytask.taskapp.views.user import show_msg
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## everywhere if there is no task, django should display 500 message.. but take care of that in sensitive views like add mentor and all
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## do not create su user thro syncdb
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def browse_tasks(request):
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    """ display all the tasks """
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    user = request.user
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    task_list = Task.objects.order_by('id').reverse()
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    context = {'user':user,
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               'task_list':task_list,
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               }
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    return render_to_response('task/browse.html', context)
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def view_task(request, tid):
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    """ get the task depending on its tid and display accordingly if it is a get.
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    check for authentication and add a comment if it is a post request.
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    """
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    task_url = "/task/view/tid=%s"%tid
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    user = request.user
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    task = getTask(tid)
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    comments = Comment.objects.filter(task=task)
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    mentors = task.mentors.all()
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b2426897ff18 our task model does not meet out needs. so modified it and added a model called map. made the changes in views accordingly.phew!!!. this one took the hell out of me :( .
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    deps, subs = task.deps, task.subs
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    errors = []
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    is_guest = True if not user.is_authenticated() else False
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    is_mentor = True if user in task.mentors.all() else False
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    context = {'user':user,
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               'task':task,
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               'comments':comments,
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               'mentors':mentors,
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               'subs':subs,
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               'deps':deps,
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               'is_guest':is_guest,
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               'is_mentor':is_mentor,
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               'errors':errors,
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              }
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    context['task_viewable'] = True if ( task.status not in ["UP", "DL"] ) or is_mentor else False
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    context['task_claimable'] = True if task.status in ["OP", "WR"] else False
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    context['can_mod_mentors'] = True if task.status in ["UP", "OP", "LO", "WR"] and is_mentor else False
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    context['can_mod_tasks'] = True if task.status in ["UP", "OP", "LO"] and is_mentor else False
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    context['can_assign_credits'] = True if task.status in ["OP", "WR"] and is_mentor else False
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    context['assigned_users'] = task.assigned_users.all()
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    if request.method == 'POST':
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        if not is_guest:
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            data = request.POST["data"]
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            new_comment = Comment(task=task, data=data, created_by=user, creation_datetime=datetime.now())
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            new_comment.save()
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            return redirect(task_url)
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        else:
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            errors.append("You must be logged in to post a comment")
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            return render_to_response('task/view.html', context)
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    else:
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        return render_to_response('task/view.html', context)
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def create_task(request):
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    """ check for rights and create a task if applicable.
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    if user cannot create a task, redirect to homepage.
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    """
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    user = request.user
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    is_guest = True if not user.is_authenticated() else False
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    if not is_guest:
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        user_profile = user.get_profile()
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        can_create_task = False if user_profile.rights == "CT" else True
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        if can_create_task:
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            if request.method == "POST":
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                form = TaskCreateForm(request.POST)
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                if form.is_valid():
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                    data = form.cleaned_data
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                    title = data['title']
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                    desc = data['desc']
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                    credits = data['credits']
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                    publish = data['publish']
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                    task = createTask(title,desc,user,credits)
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                    if not task:
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                        error_msg = "Another task with the same title exists"
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                        return render_to_response('task/create.html',{'form':form, 'error_msg':error_msg})
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                    addMentor(task, user)
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                    updateTask(task,tags_field=data['tags_field'])
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                    if publish: publishTask(task)    
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                    task_url = '/task/view/tid=%s'%task.id
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                    return redirect(task_url)
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                else:
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                    return render_to_response('task/create.html',{'form':form})
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            else:
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                form = TaskCreateForm()
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                return render_to_response('task/create.html',{'form':form})
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        else:
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            return show_msg(user, 'You are not authorised to create a task.')
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    else:
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        return show_msg(user, 'You are not authorised to create a task.')
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def add_mentor(request, tid):
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    """ check if the current user has the rights to edit the task and add him.
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    if user is not authenticated, redirect him to concerned page. """
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    task_url = "/task/view/tid=%s"%tid
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    user = request.user
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    task = getTask(tid)
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    errors = []
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    is_guest = True if not user.is_authenticated() else False
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    if (not is_guest) and user in task.mentors.all():
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        ## now iam going for a brute force method
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        user_list = list(User.objects.filter(is_active=True))
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        for mentor in task.mentors.all():
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            user_list.remove(mentor)
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        for a_user in task.claimed_users.all():
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            user_list.remove(a_user)
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        for a_user in task.assigned_users.all():
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            user_list.remove(a_user)
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        non_mentors = ((_.id,_.username) for _ in user_list)
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        ## code till must be made elegant and not brute force like above
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        form = AddMentorForm(non_mentors)
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        if request.method == "POST":
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            uid = request.POST['mentor']
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            new_mentor = User.objects.get(id=uid)
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            reqMentor(task, new_mentor, user)
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            return redirect(task_url)
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        else:
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            return render_to_response('task/addmentor.html', {'form':form, 'errors':errors})
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    else:
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        return show_msg(user, 'You are not authorised to add mentors for this task', task_url, 'view the task')
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def add_tasks(request, tid):
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    """ first display tasks which can be subtasks for the task and do the rest.
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    """
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    task_url = "/task/view/tid=%s"%tid
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    user = request.user
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    task = getTask(tid)
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    deps, subs = task.deps, task.subs
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    is_plain = False if deps or subs else True
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    ## again a brute force method
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    valid_tasks = []
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    for a_task in Task.objects.all():
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        if not ( a_task in deps or a_task in subs or a_task.status=="CD" or a_task==task ):
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            valid_tasks.append(a_task)
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    task_choices = [ (_.id,_.title) for _ in valid_tasks ]
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    errors = []
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    is_guest = True if not user.is_authenticated() else False
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    if (not is_guest) and user in task.mentors.all():
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        if task.status in ["UP", "OP", "LO"]:
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            form = AddTaskForm(task_choices, is_plain)
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            if request.method == "POST":
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                ## first decide if adding subs and deps can be in same page
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                ## only exclude tasks with status deleted
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                data = request.POST
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                if is_plain and not data.get('type', None): errors.append('Please choose which type of task(s) do you want to add.')
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                if not data.get('task', None): errors.append('Please choose a one task')
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                if not errors:
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                    if is_plain:
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                        update_method = addDep if data['type'] == "D" else addSubTask
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                    elif deps:
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                        update_method = addDep
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                    elif subs:
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                        update_method = addSubTask
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                    else:
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                        print "Screw you"
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                    ## we might iterate over a task list later on
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                    task_id = data['task']
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                    sub_or_dep = getTask(task_id)
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                    update_method(task, sub_or_dep)
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                    return redirect(task_url)
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                else:
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                    return render_to_response('task/addtask.html', {'user':user, 'form':form, 'errors':errors})
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            else:
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                return render_to_response('task/addtask.html', {'user':user, 'form':form, 'errors':errors})
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        else:
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            errors = ["The task cannot be added subtasks or dependencies in this state"]
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#            return render_to_response('task/add.html', {'form':form, 'errors':errors})
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            return show_msg(user, 'The task cannot be added subtasks or dependencies now', task_url, 'view the task')
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    else:
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        return show_msg(user, 'You are not authorised to add subtasks or dependencies for this task', task_url, 'view the task')
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def remove_task(request, tid):
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    """ display a list of tasks and remove the selectes ones.
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    """
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    task_url = "/task/view/tid=%s"%tid
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    user = request.user
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    task = getTask(tid)
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    is_guest = True if not user.is_authenticated() else False
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    if (not is_guest) and user in task.mentors.all():
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        deps, subs = task.deps, task.subs
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        task_list = deps if task.sub_type == "D" else subs
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        if task_list:
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            choices = [(_.id,_.title) for _ in task_list ]
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            form = ChoiceForm(choices)
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            errors = []
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            if request.method == "POST":
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                data = request.POST
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                if not data.get('choice', None): errors.append("Please choose a task to remove.")
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                if not errors:
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                    tid = data['choice']
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                    sub_task = getTask(tid)
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                    removeTask(task, sub_task)
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                    return redirect(task_url)
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   245
                else:
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                    return render_to_response('task/removetask.html', {'user':user, 'form':form, 'errors':errors})
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            else:
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                return render_to_response('task/removetask.html', {'user':user, 'form':form, 'errors':errors})
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        else:
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            return show_msg(user, "The task has no subtasks/dependencies to be removed", task_url, "view the task")
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    else:
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        return show_msg(user, "You are not authorised to do this", task_url, "view the task")
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def claim_task(request, tid):
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    """ display a list of claims for get and display submit only if claimable """
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    ## create claims model and create a new database with required tables for it
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    ## see if that "one to n" or "n to one" relationship has a special field
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    task_url = "/task/view/tid=%s"%tid
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    claim_url = "/task/claim/tid=%s"%tid
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   264
    errors = []
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    user = request.user
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    task = getTask(tid)
22
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    claims = Claim.objects.filter(task=task)
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    mentors = task.mentors.all()
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    claimed_users = task.claimed_users.all()
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    assigned_users = task.assigned_users.all()
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    is_guest = True if not user.is_authenticated() else False
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    is_mentor = True if user in mentors else False
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    task_claimable = True if task.status in ["OP", "WR"] else False
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    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
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    task_claimed = True if claimed_users else False
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    context = {'user':user,
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               'is_mentor':is_mentor,
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               'task':task,
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               'claims':claims,
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               'user_can_claim':user_can_claim,
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               'task_claimable':task_claimable,
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               'task_claimed':task_claimed,
25
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               'errors':errors}
22
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    if not is_guest:
25
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        if request.method == "POST":
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            claim_proposal = request.POST['message']
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            if claim_proposal:
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                addClaim(task, claim_proposal, user)
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                return redirect(claim_url)
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            else:
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                errors.append('Please fill up proposal in the field below')
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                return render_to_response('task/claim.html', context)
22
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        else:
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            return render_to_response('task/claim.html', context)
22
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    else:
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        return show_msg(user, 'You are not logged in to view claims for this task', task_url, 'view the task')
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def rem_user(request, tid):
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    """ show a list of working users and ask for a message/reason for removing user.
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    """
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    task_url = "/task/view/tid=%s"%tid
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    user = request.user
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    task = getTask(tid)
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    is_guest = True if not user.is_authenticated() else False
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    is_mentor = True if user in task.mentors.all() else False
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    if (not is_guest) and is_mentor:
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        assigned_users = task.assigned_users.all()
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        choices = [ (_.id,_.username) for _ in assigned_users ]
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        context = {
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            'user':user,
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            'task':task,
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        }
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   324
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        if assigned_users:
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            form = RemoveUserForm(choices)
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            context['form'] = form
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            if request.method == "POST":
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                data = request.POST
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                form = RemoveUserForm(choices, data)
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                if form.is_valid():
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                    data = form.cleaned_data
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                    uid = data['user']
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                    rem_user = User.objects.get(id=uid)
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                    removeUser(task, rem_user)
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                    print data['reason']
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                    return redirect(task_url)
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   338
                else:
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                    context['form'] = form
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                    return render_to_response('task/remove_user.html', context)
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            else:
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                return render_to_response('task/remove_user.html',context)
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        else:
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            return show_msg(user, "There is no one working on this task to be kicked off", task_url, "view the task")
94
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    else:
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        return show_msg(user, "You are not authorised to do this", task_url, "view the task")
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def assign_task(request, tid):
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    """ first get the status of the task and then assign it to one of claimed users
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    generate list of claimed users by passing it as an argument to a function.
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    """
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   352
    
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    task_url = "/task/view/tid=%s"%tid
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   354
    
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    user = request.user
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ca2486e29178 added a utility called getTask in task events and made changes in task views accordingly
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    task = getTask(tid)
25
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   357
    
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    is_guest = True if not user.is_authenticated() else False
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    is_mentor = True if user in task.mentors.all() else False
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   361
    claimed_users = task.claimed_users.all()
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   362
    assigned_users = task.assigned_users.all()
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   363
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   364
    task_claimed = True if claimed_users else False
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25
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   366
    if (not is_guest) and is_mentor:
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   367
        if task_claimed:
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            user_list = ((user.id,user.username) for user in claimed_users)
91
1b5ad4b7c40e modified the name of assign_task_form to choice form since all it does is return a form with choices and made change accordingly.
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            form = ChoiceForm(user_list)
18
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   370
    
25
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   371
            if request.method == "POST":
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   372
                uid = request.POST['choice']
25
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                assigned_user = User.objects.get(id=uid)
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   374
                assignTask(task, assigned_user)
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   375
                return redirect(task_url)
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   376
            else:
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   377
                return render_to_response('task/assign.html',{'form':form})
75
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   378
        elif assigned_users:
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131554cc3434 updated show_msg method to also use the user variable in the context.
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   379
            return show_msg(user, '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')
25
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   380
        else:
108
131554cc3434 updated show_msg method to also use the user variable in the context.
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   381
            return show_msg(user, 'Wait for ppl to claim dude... slow and steady wins the race :)', task_url, 'view the task')
25
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   382
    else:
108
131554cc3434 updated show_msg method to also use the user variable in the context.
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   383
        return show_msg(user, 'You are not authorised to perform this action', task_url, 'view the task')
93
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   384
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   385
def assign_credits(request, tid):
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   386
    """ Check if the user is a mentor and credits can be assigned.
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   387
    Then display all the approved credits.
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   388
    Then see if mentor can assign credits to users also or only mentors.
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   389
    Then put up a form for mentor to assign credits accordingly.
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   390
    """
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diff changeset
   391
    
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   392
    task_url = "/task/view/tid=%s"%tid
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   393
    
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diff changeset
   394
    user = request.user
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diff changeset
   395
    task = getTask(tid)
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diff changeset
   396
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   397
    is_guest = True if not user.is_authenticated() else False
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diff changeset
   398
    is_mentor = True if (not is_guest) and user in task.mentors.all() else False
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diff changeset
   399
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diff changeset
   400
    if is_mentor:
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parents: 92
diff changeset
   401
        if task.status in ["OP", "WR"]:
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diff changeset
   402
            choices = [(_.id,_.username) for _ in task.mentors.all()]
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diff changeset
   403
            if task.status == "WR":
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diff changeset
   404
                choices.extend([(_.id, _.username) for _  in task.assigned_users.all() ])
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parents: 92
diff changeset
   405
            prev_credits = task.credit_set.all()
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parents: 92
diff changeset
   406
            ## here we can ditchax credits model and use the request model
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parents: 92
diff changeset
   407
            form = AssignCreditForm(choices)
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parents: 92
diff changeset
   408
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diff changeset
   409
            context = {
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parents: 92
diff changeset
   410
                'user':user,
96
2881ed1c52b0 added events addCredits and assignCredits and modified assign_credits view accordingly.
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parents: 94
diff changeset
   411
                'task':task,
93
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parents: 92
diff changeset
   412
                'prev_credits':prev_credits,
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parents: 92
diff changeset
   413
                'form':form,
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parents: 92
diff changeset
   414
            }
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parents: 92
diff changeset
   415
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parents: 92
diff changeset
   416
            if request.method == "POST":
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parents: 92
diff changeset
   417
                data = request.POST
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parents: 92
diff changeset
   418
                form = AssignCreditForm(choices, data)
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parents: 92
diff changeset
   419
                if form.is_valid():
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parents: 92
diff changeset
   420
                    data = form.cleaned_data
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parents: 92
diff changeset
   421
                    uid = data['user']
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diff changeset
   422
                    points = data['points']
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diff changeset
   423
                    given_to = User.objects.get(id=uid)
96
2881ed1c52b0 added events addCredits and assignCredits and modified assign_credits view accordingly.
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parents: 94
diff changeset
   424
                    assignCredits(task=task, given_by=user, given_to=given_to, points=points)
93
1a1e712e60fd finished assign_credits view. hav to integrate it with requests now.
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parents: 92
diff changeset
   425
                    return redirect('/task/assigncredits/tid=%s'%task.id)
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parents: 92
diff changeset
   426
                else:
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parents: 92
diff changeset
   427
                    context['form'] = form
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parents: 92
diff changeset
   428
                    return render_to_response('task/assigncredits.html', context)
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parents: 92
diff changeset
   429
            else:
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parents: 92
diff changeset
   430
                return render_to_response('task/assigncredits.html', context)
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parents: 92
diff changeset
   431
        else:
108
131554cc3434 updated show_msg method to also use the user variable in the context.
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            return show_msg(user, "Credits cannot be assigned at this stage", task_url, "view the task")
93
1a1e712e60fd finished assign_credits view. hav to integrate it with requests now.
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   433
    else:
108
131554cc3434 updated show_msg method to also use the user variable in the context.
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   434
        return show_msg(user, "You are not authorised to perform this action", task_url, "view the task")
93
1a1e712e60fd finished assign_credits view. hav to integrate it with requests now.
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diff changeset
   435
36
0f10deac0a9b made urls.py look better and added an empty method edit_task to taskViews .
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   436
def edit_task(request, tid):
0f10deac0a9b made urls.py look better and added an empty method edit_task to taskViews .
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   437
    """ see what are the attributes that can be edited depending on the current status
0f10deac0a9b made urls.py look better and added an empty method edit_task to taskViews .
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   438
    and then give the user fields accordingly.
0f10deac0a9b made urls.py look better and added an empty method edit_task to taskViews .
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   439
    """
25
c0e4fc8b8b5b added the functionality to assign a task to one of the claimed users.
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diff changeset
   440
    
72
9fc60a221016 modified claim_task view to suit the new design
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    task = Task.objects.get(id=tid)