87 lines
3.1 KiB
Python
87 lines
3.1 KiB
Python
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"""
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Datenmodell – Templates, Jobs, Log-Einträge.
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"""
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import uuid
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from pathlib import Path
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from django.conf import settings
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from django.db import models
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def template_upload_path(instance, filename: str) -> str:
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return f"templates/{instance.id}/{Path(filename).name}"
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def csv_upload_path(instance, filename: str) -> str:
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return f"jobs/{instance.id}/recipients/{Path(filename).name}"
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def result_upload_path(instance, filename: str) -> str:
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return f"jobs/{instance.id}/result/{Path(filename).name}"
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class LetterTemplate(models.Model):
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"""DOCX-Vorlage mit Jinja-Platzhaltern."""
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id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
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name = models.CharField(max_length=200)
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description = models.TextField(blank=True)
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file = models.FileField(upload_to=template_upload_path)
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placeholders = models.JSONField(default=list, blank=True,
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help_text="Aus dem DOCX extrahierte Variablen.")
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created_by = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.PROTECT,
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related_name="templates")
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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class Meta:
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ordering = ["-created_at"]
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def __str__(self) -> str:
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return self.name
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class MailMergeJob(models.Model):
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class Status(models.TextChoices):
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PENDING = "pending", "Wartet"
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RUNNING = "running", "Läuft"
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DONE = "done", "Fertig"
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FAILED = "failed", "Fehlgeschlagen"
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id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
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template = models.ForeignKey(LetterTemplate, on_delete=models.PROTECT,
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related_name="jobs")
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recipients_csv = models.FileField(upload_to=csv_upload_path)
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status = models.CharField(max_length=20, choices=Status.choices,
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default=Status.PENDING)
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result_pdf = models.FileField(upload_to=result_upload_path, null=True, blank=True)
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total_rows = models.PositiveIntegerField(default=0)
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processed_rows = models.PositiveIntegerField(default=0)
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error_message = models.TextField(blank=True)
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created_by = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.PROTECT,
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related_name="jobs")
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created_at = models.DateTimeField(auto_now_add=True)
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started_at = models.DateTimeField(null=True, blank=True)
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finished_at = models.DateTimeField(null=True, blank=True)
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class Meta:
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ordering = ["-created_at"]
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def __str__(self) -> str:
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return f"Job {self.id} ({self.template.name})"
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class JobLogEntry(models.Model):
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class Level(models.TextChoices):
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INFO = "info", "Info"
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WARNING = "warning", "Warnung"
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ERROR = "error", "Fehler"
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job = models.ForeignKey(MailMergeJob, on_delete=models.CASCADE, related_name="logs")
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level = models.CharField(max_length=10, choices=Level.choices, default=Level.INFO)
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message = models.TextField()
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timestamp = models.DateTimeField(auto_now_add=True)
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class Meta:
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ordering = ["timestamp"]
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