from django.db import models from django.utils.translation import ugettext_lazy as _ from . import settings class Message(models.Model): QUEUED = 'QUEUED' SENT = 'SENT' DEFERRED = 'DEFERRED' FAILED = 'FAILED' STATES = ( (QUEUED, _("Queued")), (SENT, _("Sent")), (DEFERRED, _("Deferred")), (FAILED, _("Failes")), ) CRITICAL = 0 HIGH = 1 NORMAL = 2 LOW = 3 PRIORITIES = ( (CRITICAL, _("Critical (not queued)")), (HIGH, _("High")), (NORMAL, _("Normal")), (LOW, _("Low")), ) state = models.CharField(_("State"), max_length=16, choices=STATES, default=QUEUED) priority = models.PositiveIntegerField(_("Priority"), choices=PRIORITIES, default=NORMAL) to_address = models.CharField(max_length=256) from_address = models.CharField(max_length=256) subject = models.CharField(_("subject"), max_length=256) content = models.TextField(_("content")) created_at = models.DateTimeField(_("created at"), auto_now_add=True) retries = models.PositiveIntegerField(_("retries"), default=0) # TODO rename to last_try last_retry = models.DateTimeField(_("last try"), auto_now=True) def __str__(self): return '%s to %s' % (self.subject, self.to_address) def defer(self): self.state = self.DEFERRED # Max tries if self.retries >= len(settings.MAILER_DEFERE_SECONDS): self.state = self.FAILED self.save(update_fields=('state', 'retries', 'last_retry')) def sent(self): self.state = self.SENT self.save(update_fiields=('state',)) def log(self, error): result = SMTPLog.SUCCESS if error: result= SMTPLog.FAILURE self.logs.create(log_message=str(error), result=result) class SMTPLog(models.Model): SUCCESS = 'SUCCESS' FAILURE = 'FAILURE' RESULTS = ( (SUCCESS, _("Success")), (FAILURE, _("Failure")), ) message = models.ForeignKey(Message, editable=False, related_name='logs') result = models.CharField(max_length=16, choices=RESULTS, default=SUCCESS) date = models.DateTimeField(auto_now_add=True) log_message = models.TextField()