Saving some start on this

src/paperless_tesseract/models.py

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+from django.core.validators import MinValueValidator
+from django.db import models
+from django.utils.translation import gettext_lazy as _
+
+
+class OcrSettings(models.Model):
+    class OutputTypeChoices(models.TextChoices):
+        PDF = ("pdf", _("pdf"))
+        PDF_A = ("pdfa", _("pdfa"))
+        PDF_A1 = ("pdfa-1", _("pdfa-1"))
+        PDF_A2 = ("pdfa-2", _("pdfa-2"))
+        PDF_A3 = ("pdfa-3", _("pdfa-3"))
+
+    class ModeChoices(models.TextChoices):
+        SKIP = ("skip", _("pdf"))
+        REDO = ("redo", _("pdfa"))
+        FORCE = ("force", _("pdfa-1"))
+
+    class ArchiveFileChoices(models.TextChoices):
+        NEVER = ("never", _("pdf"))
+        WITH_TEXT = ("with_text", _("pdfa"))
+        ALWAYS = ("always", _("pdfa-1"))
+
+    pages = models.PositiveIntegerField(null=True)
+    language = models.CharField(null=True, blank=True, max_length=32)
+    output_type = models.CharField(
+        max_length=10,
+        choices=OutputTypeChoices.choices,
+        default=OutputTypeChoices.PDF_A,
+    )
+    mode = models.CharField(
+        max_length=50,
+        choices=ModeChoices.choices,
+        default=ModeChoices.SKIP,
+    )
+    skip_archive_file = models.CharField(
+        max_length=50,
+        choices=ArchiveFileChoices.choices,
+        default=ArchiveFileChoices.NEVER,
+    )
+    image_dpi = models.PositiveIntegerField(null=True)
+    clean = models.CharField(null=True, blank=True)
+    deskew = models.BooleanField(default=True)
+    rotate_pages = models.BooleanField(default=True)
+    rotate_pages_threshold = models.FloatField(
+        default=12.0,
+        validators=[MinValueValidator(0.0)],
+    )
+    max_image_pixel = models.PositiveBigIntegerField(
+        null=True,
+        validators=[MinValueValidator(1_000_000.0)],
+    )
+    color_conversion_strategy = models.CharField(blank=True, null=True)
+    user_args = models.JSONField(blank=True, null=True)
+
+    class Meta:
+        verbose_name = _("ocr settings")
+
+    def __str__(self) -> str:
+        return ""