MPASolutions/django-webix-sender

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django_webix_sender/models.py

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

from __future__ import unicode_literals

from decimal import Decimal
from typing import List, Any

from django.conf import settings
from django.contrib.contenttypes.fields import GenericForeignKey
from django.contrib.contenttypes.models import ContentType
from django.contrib.postgres.fields import JSONField
from django.db import models
from django.db.models import Q
from django.utils.translation import ugettext_lazy as _
from django_webix_sender.settings import CONF
from six import python_2_unicode_compatible


def save_attachments(files, *args, **kwargs):
    attachments = []
    for filename, file in files.items():
        attachment = MessageAttachment.objects.create(file=file)
        attachments.append(attachment)
    return attachments


class DjangoWebixSender(models.Model):
    class Meta:
        abstract = True

    @property
    def get_sms(self):
        raise NotImplementedError(_("`get_sms` not implemented!"))

    @property
    def get_email(self) -> str:
        raise NotImplementedError(_("`get_email` not implemented!"))

    @property
    def get_sms_related(self) -> List[Any]:
        return []

    @property
    def get_email_related(self) -> List[Any]:
        return []

    @classmethod
    def get_select_related(cls) -> List[str]:
        return []

    @classmethod
    def get_prefetch_related(cls) -> List[str]:
        return []

    @classmethod
    def get_filters(cls, request) -> Q:
        return Q()


if CONF is not None and \
    any(_recipients['model'] == 'django_webix_sender.Customer' for _recipients in CONF.get('recipients', [])):
    @python_2_unicode_compatible
    class Customer(DjangoWebixSender):
        user = models.ForeignKey(settings.AUTH_USER_MODEL, blank=True, null=True, on_delete=models.CASCADE,
                                 verbose_name=_('User'))
        name = models.CharField(max_length=255, blank=True, null=True, verbose_name=_('Name'))
        vat_number = models.CharField(max_length=255, blank=True, null=True, verbose_name=_('Vat number'))
        fiscal_code = models.CharField(max_length=32, blank=True, null=True, verbose_name=_('Fiscal code'))
        sms = models.CharField(max_length=32, blank=True, null=True, verbose_name=_('Sms'))
        email = models.EmailField(max_length=255, blank=True, null=True, verbose_name=_('Email'))
        note = models.TextField(blank=True, null=True, verbose_name=_('Note'))
        extra = JSONField(blank=True, null=True, verbose_name=_('Extra'))
        typology = models.ForeignKey('django_webix_sender.CustomerTypology', blank=True, null=True,
                                     on_delete=models.CASCADE, verbose_name=_('Typology'))

        creation_date = models.DateTimeField(auto_now_add=True, verbose_name=_('Creation date'))
        modification_date = models.DateTimeField(auto_now=True, verbose_name=_('Modification data'))

        class Meta:
            verbose_name = _('Customer')
            verbose_name_plural = _('Customers')

        def __str__(self):
            return '{}'.format(self.name)

        @property
        def get_sms(self):
            return self.sms

        @property
        def get_email(self):
            return self.email


    @python_2_unicode_compatible
    class CustomerTypology(models.Model):
        typology = models.CharField(max_length=255, unique=True, verbose_name=_('Typology'))

        creation_date = models.DateTimeField(auto_now_add=True, verbose_name=_('Creation date'))
        modification_date = models.DateTimeField(auto_now=True, verbose_name=_('Modification data'))

        class Meta:
            verbose_name = _('Customer typology')
            verbose_name_plural = _('Customer typologies')

        def __str__(self):
            return '{}'.format(self.typology)

if CONF is not None and \
    any(_recipients['model'] == 'django_webix_sender.ExternalSubject' for _recipients in CONF.get('recipients', [])):
    @python_2_unicode_compatible
    class ExternalSubject(DjangoWebixSender):
        user = models.ForeignKey(settings.AUTH_USER_MODEL, blank=True, null=True, on_delete=models.CASCADE,
                                 verbose_name=_('User'))
        name = models.CharField(max_length=255, blank=True, null=True, verbose_name=_('Name'))
        vat_number = models.CharField(max_length=255, blank=True, null=True, verbose_name=_('Vat number'))
        fiscal_code = models.CharField(max_length=32, blank=True, null=True, verbose_name=_('Fiscal code'))
        sms = models.CharField(max_length=32, blank=True, null=True, verbose_name=_('Sms'))
        email = models.EmailField(max_length=255, blank=True, null=True, verbose_name=_('Email'))
        note = models.TextField(blank=True, null=True, verbose_name=_('Note'))
        extra = JSONField(blank=True, null=True, verbose_name=_('Extra'))
        typology = models.ForeignKey('django_webix_sender.ExternalSubjectTypology', blank=True, null=True,
                                     on_delete=models.CASCADE, verbose_name=_('Typology'))

        creation_date = models.DateTimeField(auto_now_add=True, verbose_name=_('Creation date'))
        modification_date = models.DateTimeField(auto_now=True, verbose_name=_('Modification data'))

        class Meta:
            verbose_name = _('External subject')
            verbose_name_plural = _('External subjects')

        def __str__(self):
            if self.name:
                return self.name
            else:
                return _('Not defined')

        @property
        def get_sms(self):
            return self.sms

        @property
        def get_email(self):
            return self.email


    @python_2_unicode_compatible
    class ExternalSubjectTypology(models.Model):
        typology = models.CharField(max_length=255, unique=True, verbose_name=_('Typology'))

        creation_date = models.DateTimeField(auto_now_add=True, verbose_name=_('Creation date'))
        modification_date = models.DateTimeField(auto_now=True, verbose_name=_('Modification data'))

        class Meta:
            verbose_name = _('External subject typology')
            verbose_name_plural = _('External subject typologies')

        def __str__(self):
            return '{}'.format(self.typology)

if CONF is not None and CONF['attachments']['model'] == 'django_webix_sender.MessageAttachment':
    @python_2_unicode_compatible
    class MessageAttachment(models.Model):
        file = models.FileField(upload_to=CONF['attachments']['upload_folder'], verbose_name=_('Document'))
        insert_date = models.DateTimeField(auto_now_add=True, verbose_name=_('Insert date'))

        creation_date = models.DateTimeField(auto_now_add=True, verbose_name=_('Creation date'))
        modification_date = models.DateTimeField(auto_now=True, verbose_name=_('Modification data'))

        class Meta:
            verbose_name = _('Attachment')
            verbose_name_plural = _('Attachments')

        def __str__(self):
            return '{}'.format(self.file.name)

        def get_url(self):
            return '{}'.format(self.file.url)

if CONF is not None and CONF['typology_model']['enabled']:
    @python_2_unicode_compatible
    class MessageTypology(models.Model):
        typology = models.CharField(max_length=255, unique=True, verbose_name=_('Typology'))

        creation_date = models.DateTimeField(auto_now_add=True, verbose_name=_('Creation date'))
        modification_date = models.DateTimeField(auto_now=True, verbose_name=_('Modification data'))

        class Meta:
            verbose_name = _('Message typology')
            verbose_name_plural = _('Message typologies')

        def __str__(self):
            return '{}'.format(self.typology)

        @staticmethod
        def autocomplete_search_fields():
            return "typology__icontains",


@python_2_unicode_compatible
class MessageSent(models.Model):
    if CONF is not None and CONF['typology_model']['enabled']:
        typology = models.ForeignKey(
            'django_webix_sender.MessageTypology',
            blank=not CONF['typology_model']['required'],
            null=not CONF['typology_model']['required'],
            on_delete=models.CASCADE,
            verbose_name=_('Typology')
        )
    send_method = models.CharField(max_length=255, verbose_name=_('Send method'))
    subject = models.TextField(blank=True, null=True, verbose_name=_('Subject'))
    body = models.TextField(blank=True, null=True, verbose_name=_('Body'))
    extra = JSONField(blank=True, null=True, verbose_name=_('Extra'))
    if CONF is not None:
        attachments = models.ManyToManyField(
            CONF['attachments']['model'],
            blank=True,
            db_constraint=False,
            verbose_name=_('Attachments')
        )

    # Invoice
    cost = models.DecimalField(max_digits=6, decimal_places=4, default=Decimal('0.0000'), verbose_name=_('Cost'))
    invoiced = models.BooleanField(default=False, verbose_name=_('Invoiced'))

    # Sender info
    user = models.ForeignKey(settings.AUTH_USER_MODEL, blank=True, null=True, on_delete=models.CASCADE,
                             verbose_name=_('User'))
    sender = models.CharField(max_length=255, blank=True, null=True, verbose_name=_('Sender'))

    creation_date = models.DateTimeField(auto_now_add=True, verbose_name=_('Creation date'))
    modification_date = models.DateTimeField(auto_now=True, verbose_name=_('Modification data'))

    class Meta:
        verbose_name = _('Sent message')
        verbose_name_plural = _('Sent messages')

    def __str__(self):
        if CONF is not None and CONF['typology_model']['enabled']:
            return "[{}] {}".format(self.send_method, self.typology)
        return "{}".format(self.send_method)


@python_2_unicode_compatible
class MessageRecipient(models.Model):
    message_sent = models.ForeignKey('django_webix_sender.MessageSent', on_delete=models.CASCADE,
                                     verbose_name=_('Message sent'))
    content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)
    object_id = models.PositiveIntegerField()
    recipient = GenericForeignKey('content_type', 'object_id')
    recipient_address = models.CharField(max_length=255, verbose_name=_('Recipient address'))
    sent_number = models.IntegerField(default=1, verbose_name=_('Sent number'))
    status = models.CharField(max_length=32, choices=(
        ('success', _('Success')),
        ('failed', _('Failed')),
        ('unknown', _('Unknown')),
        ('invalid', _('Invalid')),
        ('duplicate', _('Duplicate'))
    ), default='unknown')
    extra = models.TextField(blank=True, null=True, verbose_name=_('Extra'))

    creation_date = models.DateTimeField(auto_now_add=True, verbose_name=_('Creation date'))
    modification_date = models.DateTimeField(auto_now=True, verbose_name=_('Modification data'))

    class Meta:
        verbose_name = _('Recipient')
        verbose_name_plural = _('Recipients')

    def __str__(self):
        return str(self.recipient)