add use_source_file

peachjam/migrations/0156_publicationfile.py

@@ -1,4 +1,4 @@
-# Generated by Django 4.2.16 on 2024-09-11 14:00
+# Generated by Django 4.2.16 on 2024-09-11 14:44
 
 import django.db.models.deletion
 from django.db import migrations, models
@@ -61,6 +61,14 @@ class Migration(migrations.Migration):
                         verbose_name="trusted URL",
                     ),
                 ),
+                (
+                    "use_source_file",
+                    models.BooleanField(
+                        default=False,
+                        help_text="Set to True if the source file on the same document can be used instead",
+                        verbose_name="use source file",
+                    ),
+                ),
                 (
                     "document",
                     models.OneToOneField(

peachjam/models/core_document_model.py

@@ -911,6 +911,13 @@ class PublicationFile(AttachmentAbstractModel):
     trusted_url = models.URLField(
         _("trusted URL"), max_length=2048, null=True, blank=True
     )
+    use_source_file = models.BooleanField(
+        _("use source file"),
+        default=False,
+        help_text=_(
+            "Set to True if the source file on the same document can be used instead"
+        ),
+    )
 
     class Meta:
         verbose_name = _("publication file")

peachjam/views/documents.py

@@ -135,6 +135,13 @@ def render_to_response(self, context, **response_kwargs):
         # TODO: review all of this
         if hasattr(self.object, "publication_file"):
             publication_file = self.object.publication_file
+            if publication_file.use_source_file:
+                return redirect(
+                    reverse(
+                        "document_source",
+                        kwargs={"frbr_uri": self.object.expression_frbr_uri[1:]},
+                    )
+                )
             # don't do anything if it's not a PDF
             if publication_file.mimetype == "application/pdf":
                 # if the publication file is remote, just redirect there