""" django-helpdesk - A Django powered ticket tracker for small enterprise. (c) Copyright 2008 Jutda. All Rights Reserved. See LICENSE for details. models.py - Model (and hence database) definitions. This is the core of the helpdesk structure. """ from __future__ import unicode_literals from django.contrib.auth.models import Permission from django.contrib.contenttypes.models import ContentType from django.core.exceptions import ObjectDoesNotExist from django.db import models from django.conf import settings from django.utils import timezone from django.utils.translation import ugettext_lazy as _, ugettext from django.utils.encoding import python_2_unicode_compatible @python_2_unicode_compatible class Queue(models.Model): """ A queue is a collection of tickets into what would generally be business areas or departments. For example, a company may have a queue for each Product they provide, or a queue for each of Accounts, Pre-Sales, and Support. """ title = models.CharField( _('Title'), max_length=100, ) slug = models.SlugField( _('Slug'), max_length=50, unique=True, help_text=_('This slug is used when building ticket ID\'s. Once set, ' 'try not to change it or e-mailing may get messy.'), ) email_address = models.EmailField( _('E-Mail Address'), blank=True, null=True, help_text=_('All outgoing e-mails for this queue will use this e-mail ' 'address. If you use IMAP or POP3, this should be the e-mail ' 'address for that mailbox.'), ) locale = models.CharField( _('Locale'), max_length=10, blank=True, null=True, help_text=_('Locale of this queue. All correspondence in this ' 'queue will be in this language.'), ) allow_public_submission = models.BooleanField( _('Allow Public Submission?'), blank=True, default=False, help_text=_('Should this queue be listed on the public submission form?'), ) allow_email_submission = models.BooleanField( _('Allow E-Mail Submission?'), blank=True, default=False, help_text=_('Do you want to poll the e-mail box below for new ' 'tickets?'), ) escalate_days = models.IntegerField( _('Escalation Days'), blank=True, null=True, help_text=_('For tickets which are not held, how often do you wish to ' 'increase their priority? Set to 0 for no escalation.'), ) new_ticket_cc = models.CharField( _('New Ticket CC Address'), blank=True, null=True, max_length=200, help_text=_('If an e-mail address is entered here, then it will ' 'receive notification of all new tickets created for this queue. ' 'Enter a comma between multiple e-mail addresses.'), ) updated_ticket_cc = models.CharField( _('Updated Ticket CC Address'), blank=True, null=True, max_length=200, help_text=_('If an e-mail address is entered here, then it will ' 'receive notification of all activity (new tickets, closed ' 'tickets, updates, reassignments, etc) for this queue. Separate ' 'multiple addresses with a comma.'), ) email_box_type = models.CharField( _('E-Mail Box Type'), max_length=5, choices=(('pop3', _('POP 3')), ('imap', _('IMAP')), ('local', _('Local Directory'))), blank=True, null=True, help_text=_('E-Mail server type for creating tickets automatically ' 'from a mailbox - both POP3 and IMAP are supported, as well as ' 'reading from a local directory.'), ) email_box_host = models.CharField( _('E-Mail Hostname'), max_length=200, blank=True, null=True, help_text=_('Your e-mail server address - either the domain name or ' 'IP address. May be "localhost".'), ) email_box_port = models.IntegerField( _('E-Mail Port'), blank=True, null=True, help_text=_('Port number to use for accessing e-mail. Default for ' 'POP3 is "110", and for IMAP is "143". This may differ on some ' 'servers. Leave it blank to use the defaults.'), ) email_box_ssl = models.BooleanField( _('Use SSL for E-Mail?'), blank=True, default=False, help_text=_('Whether to use SSL for IMAP or POP3 - the default ports ' 'when using SSL are 993 for IMAP and 995 for POP3.'), ) email_box_user = models.CharField( _('E-Mail Username'), max_length=200, blank=True, null=True, help_text=_('Username for accessing this mailbox.'), ) email_box_pass = models.CharField( _('E-Mail Password'), max_length=200, blank=True, null=True, help_text=_('Password for the above username'), ) email_box_imap_folder = models.CharField( _('IMAP Folder'), max_length=100, blank=True, null=True, help_text=_('If using IMAP, what folder do you wish to fetch messages ' 'from? This allows you to use one IMAP account for multiple ' 'queues, by filtering messages on your IMAP server into separate ' 'folders. Default: INBOX.'), ) email_box_local_dir = models.CharField( _('E-Mail Local Directory'), max_length=200, blank=True, null=True, help_text=_('If using a local directory, what directory path do you ' 'wish to poll for new email? ' 'Example: /var/lib/mail/helpdesk/'), ) permission_name = models.CharField( _('Django auth permission name'), max_length=50, blank=True, null=True, editable=False, help_text=_('Name used in the django.contrib.auth permission system'), ) email_box_interval = models.IntegerField( _('E-Mail Check Interval'), help_text=_('How often do you wish to check this mailbox? (in Minutes)'), blank=True, null=True, default='5', ) email_box_last_check = models.DateTimeField( blank=True, null=True, editable=False, # This is updated by management/commands/get_mail.py. ) socks_proxy_type = models.CharField( _('Socks Proxy Type'), max_length=8, choices=(('socks4', _('SOCKS4')), ('socks5', _('SOCKS5'))), blank=True, null=True, help_text=_('SOCKS4 or SOCKS5 allows you to proxy your connections through a SOCKS server.'), ) socks_proxy_host = models.GenericIPAddressField( _('Socks Proxy Host'), blank=True, null=True, help_text=_('Socks proxy IP address. Default: 127.0.0.1'), ) socks_proxy_port = models.IntegerField( _('Socks Proxy Port'), blank=True, null=True, help_text=_('Socks proxy port number. Default: 9150 (default TOR port)'), ) logging_type = models.CharField( _('Logging Type'), max_length=5, choices=( ('none', _('None')), ('debug', _('Debug')), ('info', _('Information')), ('warn', _('Warning')), ('error', _('Error')), ('crit', _('Critical')) ), blank=True, null=True, help_text=_('Set the default logging level. All messages at that ' 'level or above will be logged to the directory set ' 'below. If no level is set, logging will be disabled.'), ) logging_dir = models.CharField( _('Logging Directory'), max_length=200, blank=True, null=True, help_text=_('If logging is enabled, what directory should we use to ' 'store log files for this queue? ' 'If no directory is set, default to /var/log/helpdesk/'), ) default_owner = models.ForeignKey( settings.AUTH_USER_MODEL, related_name='default_owner', blank=True, null=True, verbose_name=_('Default owner'), ) def __str__(self): return "%s" % self.title class Meta: ordering = ('title',) verbose_name = _('Queue') verbose_name_plural = _('Queues') def _from_address(self): """ Short property to provide a sender address in SMTP format, eg 'Name '. We do this so we can put a simple error message in the sender name field, so hopefully the admin can see and fix it. """ if not self.email_address: return u'NO QUEUE EMAIL ADDRESS DEFINED <%s>' % settings.DEFAULT_FROM_EMAIL else: return u'%s <%s>' % (self.title, self.email_address) from_address = property(_from_address) def prepare_permission_name(self): """Prepare internally the codename for the permission and store it in permission_name. :return: The codename that can be used to create a new Permission object. """ # Prepare the permission associated to this Queue basename = "queue_access_%s" % self.slug self.permission_name = "helpdesk.%s" % basename return basename def save(self, *args, **kwargs): if self.email_box_type == 'imap' and not self.email_box_imap_folder: self.email_box_imap_folder = 'INBOX' if self.socks_proxy_type: if not self.socks_proxy_host: self.socks_proxy_host = '127.0.0.1' if not self.socks_proxy_port: self.socks_proxy_port = 9150 else: self.socks_proxy_host = None self.socks_proxy_port = None if not self.email_box_port: if self.email_box_type == 'imap' and self.email_box_ssl: self.email_box_port = 993 elif self.email_box_type == 'imap' and not self.email_box_ssl: self.email_box_port = 143 elif self.email_box_type == 'pop3' and self.email_box_ssl: self.email_box_port = 995 elif self.email_box_type == 'pop3' and not self.email_box_ssl: self.email_box_port = 110 if not self.id: # Prepare the permission codename and the permission # (even if they are not needed with the current configuration) basename = self.prepare_permission_name() Permission.objects.create( name=_("Permission for queue: ") + self.title, content_type=ContentType.objects.get(model="queue"), codename=basename, ) super(Queue, self).save(*args, **kwargs) def delete(self, *args, **kwargs): permission_name = self.permission_name super(Queue, self).delete(*args, **kwargs) # once the Queue is safely deleted, remove the permission (if exists) if permission_name: try: p = Permission.objects.get(codename=permission_name[9:]) p.delete() except ObjectDoesNotExist: pass class Ticket(models.Model): """ To allow a ticket to be entered as quickly as possible, only the bare minimum fields are required. These basically allow us to sort and manage the ticket. The user can always go back and enter more information later. A good example of this is when a customer is on the phone, and you want to give them a ticket ID as quickly as possible. You can enter some basic info, save the ticket, give the customer the ID and get off the phone, then add in further detail at a later time (once the customer is not on the line). Note that assigned_to is optional - unassigned tickets are displayed on the dashboard to prompt users to take ownership of them. """ OPEN_STATUS = 1 REOPENED_STATUS = 2 RESOLVED_STATUS = 3 CLOSED_STATUS = 4 DUPLICATE_STATUS = 5 STATUS_CHOICES = ( (OPEN_STATUS, _('Open')), (REOPENED_STATUS, _('Reopened')), (RESOLVED_STATUS, _('Resolved')), (CLOSED_STATUS, _('Closed')), (DUPLICATE_STATUS, _('Duplicate')), ) PRIORITY_CHOICES = ( (1, _('1. Critical')), (2, _('2. High')), (3, _('3. Normal')), (4, _('4. Low')), (5, _('5. Very Low')), ) title = models.CharField( _('Title'), max_length=200, ) queue = models.ForeignKey( Queue, verbose_name=_('Queue'), ) created = models.DateTimeField( _('Created'), blank=True, help_text=_('Date this ticket was first created'), ) modified = models.DateTimeField( _('Modified'), blank=True, help_text=_('Date this ticket was most recently changed.'), ) submitter_email = models.EmailField( _('Submitter E-Mail'), blank=True, null=True, help_text=_('The submitter will receive an email for all public ' 'follow-ups left for this task.'), ) assigned_to = models.ForeignKey( settings.AUTH_USER_MODEL, related_name='assigned_to', blank=True, null=True, verbose_name=_('Assigned to'), ) status = models.IntegerField( _('Status'), choices=STATUS_CHOICES, default=OPEN_STATUS, ) on_hold = models.BooleanField( _('On Hold'), blank=True, default=False, help_text=_('If a ticket is on hold, it will not automatically be escalated.'), ) description = models.TextField( _('Description'), blank=True, null=True, help_text=_('The content of the customers query.'), ) resolution = models.TextField( _('Resolution'), blank=True, null=True, help_text=_('The resolution provided to the customer by our staff.'), ) priority = models.IntegerField( _('Priority'), choices=PRIORITY_CHOICES, default=3, blank=3, help_text=_('1 = Highest Priority, 5 = Low Priority'), ) due_date = models.DateTimeField( _('Due on'), blank=True, null=True, ) last_escalation = models.DateTimeField( blank=True, null=True, editable=False, help_text=_('The date this ticket was last escalated - updated ' 'automatically by management/commands/escalate_tickets.py.'), ) def _get_assigned_to(self): """ Custom property to allow us to easily print 'Unassigned' if a ticket has no owner, or the users name if it's assigned. If the user has a full name configured, we use that, otherwise their username. """ if not self.assigned_to: return _('Unassigned') else: if self.assigned_to.get_full_name(): return self.assigned_to.get_full_name() else: return self.assigned_to.get_username() get_assigned_to = property(_get_assigned_to) def _get_ticket(self): """ A user-friendly ticket ID, which is a combination of ticket ID and queue slug. This is generally used in e-mail subjects. """ return u"[%s]" % self.ticket_for_url ticket = property(_get_ticket) def _get_ticket_for_url(self): """ A URL-friendly ticket ID, used in links. """ return u"%s-%s" % (self.queue.slug, self.id) ticket_for_url = property(_get_ticket_for_url) def _get_priority_css_class(self): """ Return the boostrap class corresponding to the priority. """ if self.priority == 2: return "warning" elif self.priority == 1: return "danger" elif self.priority == 5: return "success" else: return "" get_priority_css_class = property(_get_priority_css_class) def _get_status(self): """ Displays the ticket status, with an "On Hold" message if needed. """ held_msg = '' if self.on_hold: held_msg = _(' - On Hold') dep_msg = '' if not self.can_be_resolved: dep_msg = _(' - Open dependencies') return u'%s%s%s' % (self.get_status_display(), held_msg, dep_msg) get_status = property(_get_status) def _get_ticket_url(self): """ Returns a publicly-viewable URL for this ticket, used when giving a URL to the submitter of a ticket. """ from django.contrib.sites.models import Site from django.core.urlresolvers import reverse try: site = Site.objects.get_current() except: site = Site(domain='configure-django-sites.com') return u"http://%s%s?ticket=%s&email=%s" % ( site.domain, reverse('helpdesk:public_view'), self.ticket_for_url, self.submitter_email ) ticket_url = property(_get_ticket_url) def _get_staff_url(self): """ Returns a staff-only URL for this ticket, used when giving a URL to a staff member (in emails etc) """ from django.contrib.sites.models import Site from django.core.urlresolvers import reverse try: site = Site.objects.get_current() except: site = Site(domain='configure-django-sites.com') return u"http://%s%s" % ( site.domain, reverse('helpdesk:view', args=[self.id]) ) staff_url = property(_get_staff_url) def _can_be_resolved(self): """ Returns a boolean. True = any dependencies are resolved False = There are non-resolved dependencies """ OPEN_STATUSES = (Ticket.OPEN_STATUS, Ticket.REOPENED_STATUS) return TicketDependency.objects.filter(ticket=self).filter( depends_on__status__in=OPEN_STATUSES).count() == 0 can_be_resolved = property(_can_be_resolved) class Meta: get_latest_by = "created" ordering = ('id',) verbose_name = _('Ticket') verbose_name_plural = _('Tickets') def __str__(self): return '%s %s' % (self.id, self.title) def get_absolute_url(self): return 'helpdesk:view', (self.id,) get_absolute_url = models.permalink(get_absolute_url) def save(self, *args, **kwargs): if not self.id: # This is a new ticket as no ID yet exists. self.created = timezone.now() if not self.priority: self.priority = 3 self.modified = timezone.now() super(Ticket, self).save(*args, **kwargs) @staticmethod def queue_and_id_from_query(query): # Apply the opposite logic here compared to self._get_ticket_for_url # Ensure that queues with '-' in them will work parts = query.split('-') queue = '-'.join(parts[0:-1]) return queue, parts[-1] class FollowUpManager(models.Manager): def private_followups(self): return self.filter(public=False) def public_followups(self): return self.filter(public=True) @python_2_unicode_compatible class FollowUp(models.Model): """ A FollowUp is a comment and/or change to a ticket. We keep a simple title, the comment entered by the user, and the new status of a ticket to enable easy flagging of details on the view-ticket page. The title is automatically generated at save-time, based on what action the user took. Tickets that aren't public are never shown to or e-mailed to the submitter, although all staff can see them. """ ticket = models.ForeignKey( Ticket, verbose_name=_('Ticket'), ) date = models.DateTimeField( _('Date'), default=timezone.now ) title = models.CharField( _('Title'), max_length=200, blank=True, null=True, ) comment = models.TextField( _('Comment'), blank=True, null=True, ) public = models.BooleanField( _('Public'), blank=True, default=False, help_text=_('Public tickets are viewable by the submitter and all ' 'staff, but non-public tickets can only be seen by staff.'), ) user = models.ForeignKey( settings.AUTH_USER_MODEL, blank=True, null=True, verbose_name=_('User'), ) new_status = models.IntegerField( _('New Status'), choices=Ticket.STATUS_CHOICES, blank=True, null=True, help_text=_('If the status was changed, what was it changed to?'), ) objects = FollowUpManager() class Meta: ordering = ('date',) verbose_name = _('Follow-up') verbose_name_plural = _('Follow-ups') def __str__(self): return '%s' % self.title def get_absolute_url(self): return u"%s#followup%s" % (self.ticket.get_absolute_url(), self.id) def save(self, *args, **kwargs): t = self.ticket t.modified = timezone.now() t.save() super(FollowUp, self).save(*args, **kwargs) @python_2_unicode_compatible class TicketChange(models.Model): """ For each FollowUp, any changes to the parent ticket (eg Title, Priority, etc) are tracked here for display purposes. """ followup = models.ForeignKey( FollowUp, verbose_name=_('Follow-up'), ) field = models.CharField( _('Field'), max_length=100, ) old_value = models.TextField( _('Old Value'), blank=True, null=True, ) new_value = models.TextField( _('New Value'), blank=True, null=True, ) def __str__(self): out = '%s ' % self.field if not self.new_value: out += ugettext('removed') elif not self.old_value: out += ugettext('set to %s') % self.new_value else: out += ugettext('changed from "%(old_value)s" to "%(new_value)s"') % { 'old_value': self.old_value, 'new_value': self.new_value } return out class Meta: verbose_name = _('Ticket change') verbose_name_plural = _('Ticket changes') def attachment_path(instance, filename): """ Provide a file path that will help prevent files being overwritten, by putting attachments in a folder off attachments for ticket/followup_id/. """ import os os.umask(0) path = 'helpdesk/attachments/%s/%s' % (instance.followup.ticket.ticket_for_url, instance.followup.id) att_path = os.path.join(settings.MEDIA_ROOT, path) if settings.DEFAULT_FILE_STORAGE == "django.core.files.storage.FileSystemStorage": if not os.path.exists(att_path): os.makedirs(att_path, 0o777) return os.path.join(path, filename) @python_2_unicode_compatible class Attachment(models.Model): """ Represents a file attached to a follow-up. This could come from an e-mail attachment, or it could be uploaded via the web interface. """ followup = models.ForeignKey( FollowUp, verbose_name=_('Follow-up'), ) file = models.FileField( _('File'), upload_to=attachment_path, max_length=1000, ) filename = models.CharField( _('Filename'), max_length=1000, ) mime_type = models.CharField( _('MIME Type'), max_length=255, ) size = models.IntegerField( _('Size'), help_text=_('Size of this file in bytes'), ) def __str__(self): return '%s' % self.filename class Meta: ordering = ('filename',) verbose_name = _('Attachment') verbose_name_plural = _('Attachments') @python_2_unicode_compatible class PreSetReply(models.Model): """ We can allow the admin to define a number of pre-set replies, used to simplify the sending of updates and resolutions. These are basically Django templates with a limited context - however if you wanted to get crafy it would be easy to write a reply that displays ALL updates in hierarchical order etc with use of for loops over {{ ticket.followup_set.all }} and friends. When replying to a ticket, the user can select any reply set for the current queue, and the body text is fetched via AJAX. """ class Meta: ordering = ('name',) verbose_name = _('Pre-set reply') verbose_name_plural = _('Pre-set replies') queues = models.ManyToManyField( Queue, blank=True, help_text=_('Leave blank to allow this reply to be used for all ' 'queues, or select those queues you wish to limit this reply to.'), ) name = models.CharField( _('Name'), max_length=100, help_text=_('Only used to assist users with selecting a reply - not ' 'shown to the user.'), ) body = models.TextField( _('Body'), help_text=_('Context available: {{ ticket }} - ticket object (eg ' '{{ ticket.title }}); {{ queue }} - The queue; and {{ user }} ' '- the current user.'), ) def __str__(self): return '%s' % self.name @python_2_unicode_compatible class EscalationExclusion(models.Model): """ An 'EscalationExclusion' lets us define a date on which escalation should not happen, for example a weekend or public holiday. You may also have a queue that is only used on one day per week. To create these on a regular basis, check out the README file for an example cronjob that runs 'create_escalation_exclusions.py'. """ queues = models.ManyToManyField( Queue, blank=True, help_text=_('Leave blank for this exclusion to be applied to all queues, ' 'or select those queues you wish to exclude with this entry.'), ) name = models.CharField( _('Name'), max_length=100, ) date = models.DateField( _('Date'), help_text=_('Date on which escalation should not happen'), ) def __str__(self): return '%s' % self.name class Meta: verbose_name = _('Escalation exclusion') verbose_name_plural = _('Escalation exclusions') @python_2_unicode_compatible class EmailTemplate(models.Model): """ Since these are more likely to be changed than other templates, we store them in the database. This means that an admin can change email templates without having to have access to the filesystem. """ template_name = models.CharField( _('Template Name'), max_length=100, ) subject = models.CharField( _('Subject'), max_length=100, help_text=_('This will be prefixed with "[ticket.ticket] ticket.title"' '. We recommend something simple such as "(Updated") or "(Closed)"' ' - the same context is available as in plain_text, below.'), ) heading = models.CharField( _('Heading'), max_length=100, help_text=_('In HTML e-mails, this will be the heading at the top of ' 'the email - the same context is available as in plain_text, ' 'below.'), ) plain_text = models.TextField( _('Plain Text'), help_text=_('The context available to you includes {{ ticket }}, ' '{{ queue }}, and depending on the time of the call: ' '{{ resolution }} or {{ comment }}.'), ) html = models.TextField( _('HTML'), help_text=_('The same context is available here as in plain_text, above.'), ) locale = models.CharField( _('Locale'), max_length=10, blank=True, null=True, help_text=_('Locale of this template.'), ) def __str__(self): return '%s' % self.template_name class Meta: ordering = ('template_name', 'locale') verbose_name = _('e-mail template') verbose_name_plural = _('e-mail templates') @python_2_unicode_compatible class KBCategory(models.Model): """ Lets help users help themselves: the Knowledge Base is a categorised listing of questions & answers. """ title = models.CharField( _('Title'), max_length=100, ) slug = models.SlugField( _('Slug'), ) description = models.TextField( _('Description'), ) def __str__(self): return '%s' % self.title class Meta: ordering = ('title',) verbose_name = _('Knowledge base category') verbose_name_plural = _('Knowledge base categories') def get_absolute_url(self): return 'helpdesk:kb_category', (), {'slug': self.slug} get_absolute_url = models.permalink(get_absolute_url) @python_2_unicode_compatible class KBItem(models.Model): """ An item within the knowledgebase. Very straightforward question/answer style system. """ category = models.ForeignKey( KBCategory, verbose_name=_('Category'), ) title = models.CharField( _('Title'), max_length=100, ) question = models.TextField( _('Question'), ) answer = models.TextField( _('Answer'), ) votes = models.IntegerField( _('Votes'), help_text=_('Total number of votes cast for this item'), default=0, ) recommendations = models.IntegerField( _('Positive Votes'), help_text=_('Number of votes for this item which were POSITIVE.'), default=0, ) last_updated = models.DateTimeField( _('Last Updated'), help_text=_('The date on which this question was most recently changed.'), blank=True, ) def save(self, *args, **kwargs): if not self.last_updated: self.last_updated = timezone.now() return super(KBItem, self).save(*args, **kwargs) def _score(self): if self.votes > 0: return int(self.recommendations / self.votes) else: return _('Unrated') score = property(_score) def __str__(self): return '%s' % self.title class Meta: ordering = ('title',) verbose_name = _('Knowledge base item') verbose_name_plural = _('Knowledge base items') def get_absolute_url(self): return 'helpdesk:kb_item', (self.id,) get_absolute_url = models.permalink(get_absolute_url) @python_2_unicode_compatible class SavedSearch(models.Model): """ Allow a user to save a ticket search, eg their filtering and sorting options, and optionally share it with other users. This lets people easily create a set of commonly-used filters, such as: * My tickets waiting on me * My tickets waiting on submitter * My tickets in 'Priority Support' queue with priority of 1 * All tickets containing the word 'billing'. etc... """ user = models.ForeignKey( settings.AUTH_USER_MODEL, verbose_name=_('User'), ) title = models.CharField( _('Query Name'), max_length=100, help_text=_('User-provided name for this query'), ) shared = models.BooleanField( _('Shared With Other Users?'), blank=True, default=False, help_text=_('Should other users see this query?'), ) query = models.TextField( _('Search Query'), help_text=_('Pickled query object. Be wary changing this.'), ) def __str__(self): if self.shared: return '%s (*)' % self.title else: return '%s' % self.title class Meta: verbose_name = _('Saved search') verbose_name_plural = _('Saved searches') @python_2_unicode_compatible class UserSettings(models.Model): """ A bunch of user-specific settings that we want to be able to define, such as notification preferences and other things that should probably be configurable. We should always refer to user.usersettings.settings['setting_name']. """ user = models.OneToOneField(settings.AUTH_USER_MODEL) settings_pickled = models.TextField( _('Settings Dictionary'), help_text=_('This is a base64-encoded representation of a pickled Python dictionary. ' 'Do not change this field via the admin.'), blank=True, null=True, ) def _set_settings(self, data): # data should always be a Python dictionary. try: import pickle except ImportError: import cPickle as pickle from helpdesk.lib import b64encode self.settings_pickled = b64encode(pickle.dumps(data)) def _get_settings(self): # return a python dictionary representing the pickled data. try: import pickle except ImportError: import cPickle as pickle from helpdesk.lib import b64decode try: return pickle.loads(b64decode(str(self.settings_pickled))) except pickle.UnpicklingError: return {} settings = property(_get_settings, _set_settings) def __str__(self): return 'Preferences for %s' % self.user class Meta: verbose_name = _('User Setting') verbose_name_plural = _('User Settings') def create_usersettings(sender, instance, created, **kwargs): """ Helper function to create UserSettings instances as required, eg when we first create the UserSettings database table via 'syncdb' or when we save a new user. If we end up with users with no UserSettings, then we get horrible 'DoesNotExist: UserSettings matching query does not exist.' errors. """ from helpdesk.settings import DEFAULT_USER_SETTINGS if created: UserSettings.objects.create(user=instance, settings=DEFAULT_USER_SETTINGS) models.signals.post_save.connect(create_usersettings, sender=settings.AUTH_USER_MODEL) @python_2_unicode_compatible class IgnoreEmail(models.Model): """ This model lets us easily ignore e-mails from certain senders when processing IMAP and POP3 mailboxes, eg mails from postmaster or from known trouble-makers. """ class Meta: verbose_name = _('Ignored e-mail address') verbose_name_plural = _('Ignored e-mail addresses') queues = models.ManyToManyField( Queue, blank=True, help_text=_('Leave blank for this e-mail to be ignored on all queues, ' 'or select those queues you wish to ignore this e-mail for.'), ) name = models.CharField( _('Name'), max_length=100, ) date = models.DateField( _('Date'), help_text=_('Date on which this e-mail address was added'), blank=True, editable=False ) email_address = models.CharField( _('E-Mail Address'), max_length=150, help_text=_('Enter a full e-mail address, or portions with ' 'wildcards, eg *@domain.com or postmaster@*.'), ) keep_in_mailbox = models.BooleanField( _('Save Emails in Mailbox?'), blank=True, default=False, help_text=_('Do you want to save emails from this address in the mailbox? ' 'If this is unticked, emails from this address will be deleted.'), ) def __str__(self): return '%s' % self.name def save(self, *args, **kwargs): if not self.date: self.date = timezone.now() return super(IgnoreEmail, self).save(*args, **kwargs) def test(self, email): """ Possible situations: 1. Username & Domain both match 2. Username is wildcard, domain matches 3. Username matches, domain is wildcard 4. username & domain are both wildcards 5. Other (no match) 1-4 return True, 5 returns False. """ own_parts = self.email_address.split("@") email_parts = email.split("@") if self.email_address == email or \ own_parts[0] == "*" and own_parts[1] == email_parts[1] or \ own_parts[1] == "*" and own_parts[0] == email_parts[0] or \ own_parts[0] == "*" and own_parts[1] == "*": return True else: return False @python_2_unicode_compatible class TicketCC(models.Model): """ Often, there are people who wish to follow a ticket who aren't the person who originally submitted it. This model provides a way for those people to follow a ticket. In this circumstance, a 'person' could be either an e-mail address or an existing system user. """ ticket = models.ForeignKey( Ticket, verbose_name=_('Ticket'), ) user = models.ForeignKey( settings.AUTH_USER_MODEL, blank=True, null=True, help_text=_('User who wishes to receive updates for this ticket.'), verbose_name=_('User'), ) email = models.EmailField( _('E-Mail Address'), blank=True, null=True, help_text=_('For non-user followers, enter their e-mail address'), ) can_view = models.BooleanField( _('Can View Ticket?'), blank=True, default=False, help_text=_('Can this CC login to view the ticket details?'), ) can_update = models.BooleanField( _('Can Update Ticket?'), blank=True, default=False, help_text=_('Can this CC login and update the ticket?'), ) def _email_address(self): if self.user and self.user.email is not None: return self.user.email else: return self.email email_address = property(_email_address) def _display(self): if self.user: return self.user else: return self.email display = property(_display) def __str__(self): return '%s for %s' % (self.display, self.ticket.title) class CustomFieldManager(models.Manager): def get_queryset(self): return super(CustomFieldManager, self).get_queryset().order_by('ordering') @python_2_unicode_compatible class CustomField(models.Model): """ Definitions for custom fields that are glued onto each ticket. """ name = models.SlugField( _('Field Name'), help_text=_('As used in the database and behind the scenes. ' 'Must be unique and consist of only lowercase letters with no punctuation.'), unique=True, ) label = models.CharField( _('Label'), max_length=30, help_text=_('The display label for this field'), ) help_text = models.TextField( _('Help Text'), help_text=_('Shown to the user when editing the ticket'), blank=True, null=True ) DATA_TYPE_CHOICES = ( ('varchar', _('Character (single line)')), ('text', _('Text (multi-line)')), ('integer', _('Integer')), ('decimal', _('Decimal')), ('list', _('List')), ('boolean', _('Boolean (checkbox yes/no)')), ('date', _('Date')), ('time', _('Time')), ('datetime', _('Date & Time')), ('email', _('E-Mail Address')), ('url', _('URL')), ('ipaddress', _('IP Address')), ('slug', _('Slug')), ) data_type = models.CharField( _('Data Type'), max_length=100, help_text=_('Allows you to restrict the data entered into this field'), choices=DATA_TYPE_CHOICES, ) max_length = models.IntegerField( _('Maximum Length (characters)'), blank=True, null=True, ) decimal_places = models.IntegerField( _('Decimal Places'), help_text=_('Only used for decimal fields'), blank=True, null=True, ) empty_selection_list = models.BooleanField( _('Add empty first choice to List?'), default=False, help_text=_('Only for List: adds an empty first entry to the choices list, ' 'which enforces that the user makes an active choice.'), ) list_values = models.TextField( _('List Values'), help_text=_('For list fields only. Enter one option per line.'), blank=True, null=True, ) ordering = models.IntegerField( _('Ordering'), help_text=_('Lower numbers are displayed first; higher numbers are listed later'), blank=True, null=True, ) def _choices_as_array(self): from django.utils.six import StringIO valuebuffer = StringIO(self.list_values) choices = [[item.strip(), item.strip()] for item in valuebuffer.readlines()] valuebuffer.close() return choices choices_as_array = property(_choices_as_array) required = models.BooleanField( _('Required?'), help_text=_('Does the user have to enter a value for this field?'), default=False, ) staff_only = models.BooleanField( _('Staff Only?'), help_text=_('If this is ticked, then the public submission form ' 'will NOT show this field'), default=False, ) objects = CustomFieldManager() def __str__(self): return '%s' % self.name class Meta: verbose_name = _('Custom field') verbose_name_plural = _('Custom fields') @python_2_unicode_compatible class TicketCustomFieldValue(models.Model): ticket = models.ForeignKey( Ticket, verbose_name=_('Ticket'), ) field = models.ForeignKey( CustomField, verbose_name=_('Field'), ) value = models.TextField(blank=True, null=True) def __str__(self): return '%s / %s' % (self.ticket, self.field) class Meta: unique_together = (('ticket', 'field'),) verbose_name = _('Ticket custom field value') verbose_name_plural = _('Ticket custom field values') @python_2_unicode_compatible class TicketDependency(models.Model): """ The ticket identified by `ticket` cannot be resolved until the ticket in `depends_on` has been resolved. To help enforce this, a helper function `can_be_resolved` on each Ticket instance checks that these have all been resolved. """ class Meta: unique_together = (('ticket', 'depends_on'),) verbose_name = _('Ticket dependency') verbose_name_plural = _('Ticket dependencies') ticket = models.ForeignKey( Ticket, verbose_name=_('Ticket'), related_name='ticketdependency', ) depends_on = models.ForeignKey( Ticket, verbose_name=_('Depends On Ticket'), related_name='depends_on', ) def __str__(self): return '%s / %s' % (self.ticket, self.depends_on)