# Path: pytask/taskapp/models.py
# class Task(models.Model):
# 
#     parent = models.ForeignKey('self', blank=True, null=True,
#                                related_name="children_tasks")
# 
#     title = models.CharField(
#       max_length=1024, verbose_name=u"Title",
#       help_text=u"Keep it simple and below 100 chars.")
# 
#     desc = models.TextField(verbose_name=u"Description")
# 
#     status = models.CharField(max_length=255,
#                               choices=TASK_STATUS_CHOICES,
#                               default="Unpublished")
# 
#     tags_field = TagField(
#       verbose_name=u"Tags", help_text=u"Give tags separated by commas. "
#       "The allowed characters are all alphabet, numbers, underscore(_), "
#       "period(.), forward slash(/), dash(-), ampersand(&), single quote(') "
#       " and space.")
# 
#     pynts = models.PositiveSmallIntegerField(
#       help_text=u"Number of Pynts a user gets on completing the task")
# 
#     created_by = models.ForeignKey(User,
#                                    related_name="created_tasks")
# 
#     approved_by = models.ForeignKey(User, blank=True, null=True,
#                                     related_name="approved_tasks")
# 
#     reviewers = models.ManyToManyField(User, blank=True, null=True,
#                                        related_name="reviewing_tasks")
# 
#     claimed_users = models.ManyToManyField(User, blank=True, null=True, 
#                                            related_name="claimed_tasks")
# 
#     selected_users = models.ManyToManyField(User, blank=True, null=True, 
#                                             related_name="selected_tasks")
# 
#     creation_datetime = models.DateTimeField(auto_now_add=True)
# 
#     approval_datetime = models.DateTimeField(blank=True, null=True)
# 
#     last_modified = models.DateTimeField(auto_now=True,
#                                          default=datetime.now())
# 
#     def __unicode__(self):
#         return unicode(self.title)
# 
# Path: pytask/taskapp/models.py
# class TaskClaim(models.Model):
# 
#     task = models.ForeignKey('Task', related_name="claims")
#             
#     claimed_by = models.ForeignKey(User,
#                                    related_name="claimed_claims")
#     proposal = models.TextField()
# 
#     claim_datetime = models.DateTimeField(auto_now_add=True)
# 
#     def __unicode__(self):
#         return unicode(self.task.title)
# 
# Path: pytask/taskapp/models.py
# class TaskComment(models.Model):
# 
#     task = models.ForeignKey('Task', related_name="comments")
# 
#     data = models.TextField(verbose_name='Comment')
# 
#     commented_by = models.ForeignKey(User,
#                                      related_name="commented_taskcomments")
# 
#     deleted_by = models.ForeignKey(User, null=True, blank=True,
#                                    related_name="deleted_taskcomments")
# 
#     comment_datetime = models.DateTimeField(auto_now_add=True)
# 
#     is_deleted = models.BooleanField(default=False)
# 
#     last_modified = models.DateTimeField(auto_now=True,
#                                          default=datetime.now())
# 
#     def __unicode__(self):
#         return unicode(self.task.title)
# 
# Path: pytask/taskapp/models.py
# class WorkReport(models.Model):
# 
#     task = models.ForeignKey(Task, related_name="reports")
# 
#     submitted_by = models.ForeignKey(User, null=True, blank=True,
#                                      related_name="submitted_reports")
# 
#     approved_by = models.ForeignKey(User, null=True, blank=True,
#                                     related_name="approved_reports")
# 
#     data = models.TextField(verbose_name="Report")
# 
#     summary = models.CharField(max_length=1024, verbose_name="Summary",
#                                help_text="A one line summary")
# 
#     attachment = models.FileField(upload_to=UPLOADS_DIR)
# 
#     revision = models.PositiveIntegerField(default=0)
# 
#     submitted_at = models.DateTimeField(auto_now_add=True)
# 
#     last_modified = models.DateTimeField(auto_now=True,
#                                          default=datetime.now())


import re
from django import forms
from pytask.taskapp.models import Task
from pytask.taskapp.models import TaskClaim
from pytask.taskapp.models import TaskComment
from pytask.taskapp.models import WorkReport
        return data

    def clean_tags_field(self):
        """Clean the tags field to contain only allowed characters.
        """
        tags_field = self.cleaned_data.get('tags_field', '')

        if tags_field and not re.match(r'[\w,\-&./\'\" ]+', tags_field):
            raise forms.ValidationError("Contains unallowed characters. "
              "Allowed characters are all alphabet, numbers, underscore(_), "
              "period(.), forward slash(/), dash(-), ampersand(&), single "
              "quote(') and space.")

        return tags_field

class EditTaskForm(forms.ModelForm):
    class Meta:
        model = Task
        fields = ['title', 'desc', 'tags_field', 'pynts']

    def clean_desc(self):
        data = self.cleaned_data['desc'].strip()
        if not data:
            raise forms.ValidationError("Enter some description for the task")

        return data

    def clean_title(self):
        data = self.cleaned_data['title'].strip()
        try:

# Path: pytask/taskapp/models.py
# class Task(models.Model):
# 
#     parent = models.ForeignKey('self', blank=True, null=True,
#                                related_name="children_tasks")
# 
#     title = models.CharField(
#       max_length=1024, verbose_name=u"Title",
#       help_text=u"Keep it simple and below 100 chars.")
# 
#     desc = models.TextField(verbose_name=u"Description")
# 
#     status = models.CharField(max_length=255,
#                               choices=TASK_STATUS_CHOICES,
#                               default="Unpublished")
# 
#     tags_field = TagField(
#       verbose_name=u"Tags", help_text=u"Give tags separated by commas. "
#       "The allowed characters are all alphabet, numbers, underscore(_), "
#       "period(.), forward slash(/), dash(-), ampersand(&), single quote(') "
#       " and space.")
# 
#     pynts = models.PositiveSmallIntegerField(
#       help_text=u"Number of Pynts a user gets on completing the task")
# 
#     created_by = models.ForeignKey(User,
#                                    related_name="created_tasks")
# 
#     approved_by = models.ForeignKey(User, blank=True, null=True,
#                                     related_name="approved_tasks")
# 
#     reviewers = models.ManyToManyField(User, blank=True, null=True,
#                                        related_name="reviewing_tasks")
# 
#     claimed_users = models.ManyToManyField(User, blank=True, null=True, 
#                                            related_name="claimed_tasks")
# 
#     selected_users = models.ManyToManyField(User, blank=True, null=True, 
#                                             related_name="selected_tasks")
# 
#     creation_datetime = models.DateTimeField(auto_now_add=True)
# 
#     approval_datetime = models.DateTimeField(blank=True, null=True)
# 
#     last_modified = models.DateTimeField(auto_now=True,
#                                          default=datetime.now())
# 
#     def __unicode__(self):
#         return unicode(self.title)
# 
# Path: pytask/taskapp/models.py
# class TaskClaim(models.Model):
# 
#     task = models.ForeignKey('Task', related_name="claims")
#             
#     claimed_by = models.ForeignKey(User,
#                                    related_name="claimed_claims")
#     proposal = models.TextField()
# 
#     claim_datetime = models.DateTimeField(auto_now_add=True)
# 
#     def __unicode__(self):
#         return unicode(self.task.title)
# 
# Path: pytask/taskapp/models.py
# class TaskComment(models.Model):
# 
#     task = models.ForeignKey('Task', related_name="comments")
# 
#     data = models.TextField(verbose_name='Comment')
# 
#     commented_by = models.ForeignKey(User,
#                                      related_name="commented_taskcomments")
# 
#     deleted_by = models.ForeignKey(User, null=True, blank=True,
#                                    related_name="deleted_taskcomments")
# 
#     comment_datetime = models.DateTimeField(auto_now_add=True)
# 
#     is_deleted = models.BooleanField(default=False)
# 
#     last_modified = models.DateTimeField(auto_now=True,
#                                          default=datetime.now())
# 
#     def __unicode__(self):
#         return unicode(self.task.title)
# 
# Path: pytask/taskapp/models.py
# class WorkReport(models.Model):
# 
#     task = models.ForeignKey(Task, related_name="reports")
# 
#     submitted_by = models.ForeignKey(User, null=True, blank=True,
#                                      related_name="submitted_reports")
# 
#     approved_by = models.ForeignKey(User, null=True, blank=True,
#                                     related_name="approved_reports")
# 
#     data = models.TextField(verbose_name="Report")
# 
#     summary = models.CharField(max_length=1024, verbose_name="Summary",
#                                help_text="A one line summary")
# 
#     attachment = models.FileField(upload_to=UPLOADS_DIR)
# 
#     revision = models.PositiveIntegerField(default=0)
# 
#     submitted_at = models.DateTimeField(auto_now_add=True)
# 
#     last_modified = models.DateTimeField(auto_now=True,
#                                          default=datetime.now())


# Path: pytask/taskapp/forms.py
import re
from django import forms
from pytask.taskapp.models import Task
from pytask.taskapp.models import TaskClaim
from pytask.taskapp.models import TaskComment
from pytask.taskapp.models import WorkReport

        return data

    def clean_tags_field(self):
        """Clean the tags field to contain only allowed characters.
        """
        tags_field = self.cleaned_data.get('tags_field', '')

        if tags_field and not re.match(r'[\w,\-&./\'\" ]+', tags_field):
            raise forms.ValidationError("Contains unallowed characters. "
              "Allowed characters are all alphabet, numbers, underscore(_), "
              "period(.), forward slash(/), dash(-), ampersand(&), single "
              "quote(') and space.")

        return tags_field

class EditTaskForm(forms.ModelForm):
    class Meta:
        model = Task
        fields = ['title', 'desc', 'tags_field', 'pynts']

    def clean_desc(self):
        data = self.cleaned_data['desc'].strip()
        if not data:
            raise forms.ValidationError("Enter some description for the task")

        return data

    def clean_title(self):
        data = self.cleaned_data['title'].strip()
        try:

            prev_task = Task.objects.exclude(status="DL").get(title__iexact=data)