1 # -*- coding: utf-8 -*-

     2 '''

     3 Created on Mar 8, 2015

     4 

     5 @author: ymh

     6 '''

     7 import logging

     8 

     9 from django.conf import settings

    10 from django.core.mail.message import EmailMultiAlternatives

    11 from django.db.models.signals import post_save, pre_delete

    12 from django.template.base import TemplateDoesNotExist

    13 from django.template.loader import render_to_string

    14 from django.utils.html import strip_tags

    15 

    16 from hdalab.models.renkan import HdalabRenkan, HdalabRenkanStateTransition

    17 from renkanmanager.models import Renkan

    18 

    19 

    20 logger = logging.getLogger(__name__)

    21 

    22 MAIL_TEMPLATES = {

    23     (HdalabRenkan.MODERATED,HdalabRenkan.PUBLISHED): ("mails/published_renkan", "Renkan publié"),

    24     (HdalabRenkan.MODERATED,HdalabRenkan.REJECTED): ("mails/rejected_renkan", "Renkan rejeté"),

    25     (HdalabRenkan.PUBLISHED, HdalabRenkan.EDITION): ("mails/unpublished_renkan", "Renkan dépublié"),

    26 }

    27 

    28 

    29 #TODO put into queue

    30 def send_renkan_moderation_messages(sender, **kwargs):

    31     renkan_state = kwargs.get('instance', None)

    32     if not renkan_state or (renkan_state.from_state,renkan_state.to_state) not in MAIL_TEMPLATES:

    33         return

    34 

    35     template_key = (renkan_state.from_state,renkan_state.to_state)

    36     msg_txt = ""

    37     msg_html = ""

    38     subject = ""

    39     try:

    40         template_name, subject = MAIL_TEMPLATES[template_key]

    41 #        template = loader.get_template(template_name)

    42         context = {'renkan_state': renkan_state, 'WEB_URL': settings.WEB_URL}

    43         msg_html = render_to_string(template_name+".txt", context)

    44         msg_txt = render_to_string(template_name+".html", context)

    45     except TemplateDoesNotExist:

    46         logger.error("Mail template %s for state %s not found", MAIL_TEMPLATES[template_key], HdalabRenkan.STATE_CHOICES_DICT[renkan_state.to_state])

    47         return

    48     except Exception as e:

    49         logger.error("Error rendering template %s for state %s : %r", MAIL_TEMPLATES[template_key], HdalabRenkan.STATE_CHOICES_DICT[renkan_state.to_state], e)

    50     

    51     if msg_txt and msg_html and renkan_state.renkan and renkan_state.renkan.renkan and renkan_state.renkan.renkan.owner and renkan_state.renkan.renkan.owner.email:

    52         logger.debug("Sending following mail to %s : %s", renkan_state.renkan.renkan.owner.email, msg_txt)

    53         emsg = EmailMultiAlternatives(subject, strip_tags(msg_txt), settings.DEFAULT_FROM_EMAIL, [renkan_state.renkan.renkan.owner.email])

    54         emsg.attach_alternative(msg_html, "text/html")

    55         emsg.send(fail_silently=True)

    56 

    57 

    58 def queue_renkan_rendering(sender, **kwargs):

    59     renkan_state = kwargs.get('instance', None)

    60     if not renkan_state:

    61         return

    62     

    63     if renkan_state.from_state == HdalabRenkan.PUBLISHED and renkan_state.renkan.renkan.image != settings.DEFAULT_RENKAN_ICON:

    64         if renkan_state.renkan.renkan.image:

    65             renkan_state.renkan.renkan.image.delete(False)

    66             renkan_state.renkan.renkan.image.delete_thumbnails()

    67         renkan_state.renkan.renkan.image = settings.DEFAULT_RENKAN_ICON

    68         renkan_state.renkan.renkan.save()

    69     elif renkan_state.to_state == HdalabRenkan.PUBLISHED:

    70         from hdalab.tasks import capture_preview

    71         capture_preview.delay(renkan_state.renkan.renkan.rk_id)  # @UndefinedVariable

    72 

    73 def renkan_delete_image(sender, **kwargs):

    74     renkan = kwargs.get('instance', None)

    75     if not renkan or not renkan.image or renkan.image == settings.DEFAULT_RENKAN_ICON:

    76         return

    77     renkan.image.delete(False)

    78     renkan.image.delete_thumbnails()

    79 

    80     

    81 RENKAN_MODERATION_UUID = "e2f84503-609b-4efa-819d-908e2efe7b1b"

    82 RENKAN_RENDERING_UUID = "b8830748-be2b-479a-8aef-c8d952437b2f"

    83 RENKAN_DELETE_UUID = "09c23ca2-4d59-4c29-b94a-2c2672d5a89b"

    84 

    85 post_save.connect(send_renkan_moderation_messages, sender=HdalabRenkanStateTransition, dispatch_uid=RENKAN_MODERATION_UUID)

    86 post_save.connect(queue_renkan_rendering, sender=HdalabRenkanStateTransition, dispatch_uid=RENKAN_RENDERING_UUID)

    87 pre_delete.connect(renkan_delete_image, sender=Renkan, dispatch_uid=RENKAN_DELETE_UUID)

    88