feat: submissions app + django-storages + whitenoise

polylan_submitter/submissions/models.py

@@ -0,0 +1,91 @@
+from django.db import models
+from django.utils.translation import gettext_lazy as _
+
+import uuid
+
+from accounts.models import CustomUser
+
+
+def submission_file_upload_path(instance, filename):
+    ext = filename.split(".")[-1] if "." in filename else ""
+
+    new_filename = f"{instance.id}_{filename}" if ext else str(instance.id)
+
+    return f"submissions/{instance.submission.id}/{new_filename}"
+
+
+class Submission(models.Model):
+    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
+
+    user = models.ForeignKey(
+        CustomUser,
+        on_delete=models.CASCADE,
+        null=True,
+        blank=True,
+        help_text="User who made the submission (null for anonymous)",
+        related_name="submissions",
+    )
+
+    # Submission metadata
+    notes = models.TextField(
+        null=True,
+        blank=True,
+        help_text="Optional notes about the submission",
+    )
+
+    # Timestamps
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+
+class SubmissionFile(models.Model):
+    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
+
+    submission = models.ForeignKey(
+        Submission,
+        on_delete=models.CASCADE,
+        related_name="files",
+    )
+
+    file = models.FileField(
+        upload_to=submission_file_upload_path,
+        help_text=_("Uploaded file"),
+    )
+
+    original_filename = models.CharField(
+        max_length=255, help_text=_("Original filename as uploaded by user")
+    )
+    file_size = models.PositiveIntegerField(help_text=_("File size in bytes"))
+    content_type = models.CharField(
+        max_length=100,
+        help_text=_("MIME type of the file"),
+    )
+
+    # OCR metadata
+    ocr_processed = models.BooleanField(
+        default=False, help_text="Whether OCR has been processed for this file"
+    )
+    ocr_raw_data = models.JSONField(
+        null=True, blank=True, help_text="Raw OCR data as JSON"
+    )
+    ocr_error = models.TextField(blank=True, help_text="OCR processing error message")
+
+    # Timestamps
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+    class Meta:
+        ordering = ["file", "created_at"]
+        verbose_name = "Submission File"
+        verbose_name_plural = "Submission Files"
+
+    @property
+    def file_url(self) -> str | None:
+        if self.file:
+            return self.file.url
+
+    def save(self, *args, **kwargs):
+        if self.file and not self.file_size:
+            self.file_size = self.file.size
+
+        super().save(*args, **kwargs)