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feat: async email slanje s cache PDF fallbackom i admin logom

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Prebaci slanje emaila putnog naloga u pozadinski task bez blokiranja UI-a i dodaj fallback kad queue nije dostupna. Kod greške slanja spremi generirane PDF-ove u cache i pošalji notifikaciju s download linkovima.

Dodaj EmailDispatchLog model i Django admin pregled za praćenje kome je poslano, što je poslano, status i detalje privitaka.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
This commit is contained in:
mariomitte
2026-07-21 14:41:45 +02:00
parent 42fcd836ed
commit 5945423346
11 changed files with 1338 additions and 85 deletions
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61
backend/modules/fleet/models.py
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@@ -568,6 +568,67 @@ class VehicleNotification(BaseModel):
return f"{self.title} -> {self.recipient} ({self.level})"
class EmailDispatchLog(BaseModel):
DISPATCH_TYPE_CHOICES = [
('work_order', _("Putni nalog")),
('service_record', _("Servisni zapis")),
]
STATUS_CHOICES = [
('queued', _("U obradi")),
('sent', _("Poslano")),
('failed', _("Neuspješno")),
]
dispatch_type = models.CharField(max_length=32, choices=DISPATCH_TYPE_CHOICES, db_index=True, verbose_name=_("Tip slanja"))
requested_by = models.ForeignKey(
settings.AUTH_USER_MODEL,
null=True,
blank=True,
on_delete=models.SET_NULL,
related_name='requested_email_dispatch_logs',
verbose_name=_("Zatražio"),
)
work_order = models.ForeignKey(
'fleet.WorkOrder',
null=True,
blank=True,
on_delete=models.SET_NULL,
related_name='email_dispatch_logs',
verbose_name=_("Putni nalog"),
)
service_record = models.ForeignKey(
'fleet.VehicleServiceRecord',
null=True,
blank=True,
on_delete=models.SET_NULL,
related_name='email_dispatch_logs',
verbose_name=_("Servisni zapis"),
)
recipients = models.JSONField(default=list, blank=True, verbose_name=_("Primatelji"))
subject = models.CharField(max_length=255, blank=True, verbose_name=_("Naslov"))
message = models.TextField(blank=True, verbose_name=_("Poruka"))
attachments = models.JSONField(default=list, blank=True, verbose_name=_("Privitci"))
status = models.CharField(max_length=16, choices=STATUS_CHOICES, default='queued', db_index=True, verbose_name=_("Status"))
error_message = models.TextField(blank=True, verbose_name=_("Greška"))
metadata = models.JSONField(default=dict, blank=True, verbose_name=_("Metapodaci"))
sent_at = models.DateTimeField(null=True, blank=True, verbose_name=_("Poslano u"))
class Meta:
verbose_name = _("Log slanja emaila")
verbose_name_plural = _("Logovi slanja emaila")
ordering = ['-created_at']
def __str__(self):
return f"{self.dispatch_type} -> {len(self.recipients or [])} ({self.status})"
def clean(self):
super().clean()
if self.dispatch_type == 'work_order' and not self.work_order_id:
raise ValidationError({'work_order': _("Putni nalog je obavezan za ovaj tip slanja.")})
if self.dispatch_type == 'service_record' and not self.service_record_id:
raise ValidationError({'service_record': _("Servisni zapis je obavezan za ovaj tip slanja.")})
class ServiceContextNote(BaseModel):
AUDIENCE_SOURCE_CHOICES = [
('self', 'Samo autor'),