External files ingest as "related" links (#958) and show them in sidebar (#959)

apps/iiif/choices.py

@@ -6,11 +6,13 @@ class Choices():
 
     """ List of Mime type choices. """
     MIMETYPES = (
-            ('text/html', 'HTML'),
+            ('text/html', 'HTML or web page'),
             ('application/json', 'JSON'),
             ('application/ld+json', 'JSON-LD'),
+            ('application/pdf', 'PDF'),
+            ('text/plain', 'Text'),
             ('application/xml', 'XML'),
-            ('text/plan', 'Text'),
+            ('application/octet-stream', 'Other'),
         )
 
     """

apps/iiif/manifests/admin.py

@@ -1,12 +1,13 @@
 """Django admin module for maninfests"""
 from django.contrib import admin
 from django.http import HttpResponseRedirect
+from django.http.request import HttpRequest
 from django.urls.conf import path
 from import_export import resources, fields
 from import_export.admin import ImportExportModelAdmin
 from import_export.widgets import ManyToManyWidget, ForeignKeyWidget
 from django_summernote.admin import SummernoteModelAdmin
-from .models import Manifest, Note, ImageServer
+from .models import Manifest, Note, ImageServer, RelatedLink
 from .forms import ManifestAdminForm
 from .views import AddToCollectionsView
 from ..kollections.models import Collection
@@ -32,6 +33,18 @@ class Meta: # pylint: disable=too-few-public-methods, missing-class-docstring
             'pdf', 'metadata', 'attribution', 'logo', 'logo_url', 'license', 'viewingdirection', 'collection_id'
         )
 
+
+class RelatedLinksInline(admin.TabularInline):
+    model = RelatedLink
+    exclude = ("id",)
+    fields = (
+        "link",
+        "is_structured_data",
+        "format",
+    )
+    extra = 1
+    min_num = 0
+
 class ManifestAdmin(ImportExportModelAdmin, SummernoteModelAdmin, admin.ModelAdmin):
     """Django admin configuration for manifests"""
     resource_class = ManifestResource
@@ -42,6 +55,7 @@ class ManifestAdmin(ImportExportModelAdmin, SummernoteModelAdmin, admin.ModelAdm
     summernote_fields = ('summary',)
     form = ManifestAdminForm
     actions = ['add_to_collections_action']
+    inlines = [RelatedLinksInline]
 
     def add_to_collections_action(self, request, queryset):
         """Action choose manifests to add to collections"""

apps/iiif/manifests/migrations/0058_alter_relatedlink.py

@@ -0,0 +1,59 @@
+# Generated by Django 3.2.12 on 2023-12-05 16:16
+
+from django.db import migrations, models
+import uuid
+
+
+def populate_is_structured_data(apps, schema_editor):
+    # Data migration to populate RelatedLink.is_structured_data for existing data
+    RelatedLink = apps.get_model("manifests", "RelatedLink")
+    rl_set = RelatedLink.objects.all()
+    for rl in rl_set:
+        # Assume all existing RelatedLinks are structured data, since they were previously only
+        # being added in Remote ingests when there was an existing manifest (which is structured
+        # data)
+        rl.is_structured_data = True
+    RelatedLink.objects.bulk_update(rl_set, ["is_structured_data"], batch_size=1000)
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("manifests", "0057_alter_manifest_languages"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="relatedlink",
+            name="id",
+            field=models.UUIDField(
+                default=uuid.uuid4, editable=False, primary_key=True, serialize=False
+            ),
+        ),
+        migrations.AlterField(
+            model_name="relatedlink",
+            name="format",
+            field=models.CharField(
+                blank=True,
+                choices=[
+                    ("text/html", "HTML or web page"),
+                    ("application/json", "JSON"),
+                    ("application/ld+json", "JSON-LD"),
+                    ("application/pdf", "PDF"),
+                    ("text/plain", "Text"),
+                    ("application/xml", "XML"),
+                    ("application/octet-stream", "Other"),
+                ],
+                max_length=255,
+                null=True,
+            ),
+        ),
+        migrations.AddField(
+            model_name="relatedlink",
+            name="is_structured_data",
+            field=models.BooleanField(
+                default=False,
+                help_text="True if this link is structured data that should appear in the manifest's 'seeAlso' field; if false, the link will appear in the 'related' field instead. Leave unchecked if unsure.",
+            ),
+        ),
+        migrations.RunPython(populate_is_structured_data, migrations.RunPython.noop),
+    ]

apps/iiif/manifests/models.py

@@ -259,10 +259,61 @@ def related_links(self):
         :return: List of links related to Manifest
         :rtype: list
         """
-        links = [link.link for link in self.relatedlink_set.all()]
-        links.append(self.get_volume_url())
+        links = [
+            {
+                "@id": link.link,
+                "format": link.format,
+            } if link.format else link.link
+            for link in self.relatedlink_set.all()
+        ]
+        links.append({
+            "@id": self.get_volume_url(),
+            "format": "text/html"
+        })
         return links
 
+    @property
+    def external_links(self):
+        """Dict of lists of external links for display on volume pages
+
+        :return: Dict of external links ("related" and "seeAlso")
+        :rtype: dict
+        """
+        # exclude internal links from related link set
+        related_links = self.relatedlink_set.exclude(
+            link__icontains=settings.HOSTNAME
+        )
+        # dict keys correspond to headings in sidebar
+        return {
+            "see_also": [
+                link.link
+                for link in related_links
+                if link.is_structured_data
+            ],
+            "related": [
+                link.link
+                for link in related_links
+                if not link.is_structured_data
+            ],
+        }
+
+    @property
+    def see_also_links(self):
+        """List of links for IIIF v2 'seeAlso' field (structured data).
+
+        :return: List of links to structured data describing Manifest
+        :rtype: list
+        """
+        return [
+            {
+                "@id": link.link,
+                "format": link.format,
+            }
+            if link.format
+            else link.link
+            for link in self.relatedlink_set.filter(is_structured_data=True)
+        ]
+
     # TODO: Is this needed? It doesn't seem to be called anywhere.
     # Could we just use the label as is?
     def autocomplete_label(self):
@@ -339,9 +390,18 @@ class Note(models.Model):
 
 class RelatedLink(models.Model):
     """ Links to related resources """
-    id = models.UUIDField(primary_key=True, default=uuid4)
+    id = models.UUIDField(primary_key=True, default=uuid4, editable=False)
     link = models.CharField(max_length=255)
-    data_type = models.CharField(max_length=255, default='Dataset')
+    data_type = models.CharField(
+        max_length=255,
+        default='Dataset',
+    )
+    is_structured_data = models.BooleanField(
+        default=False,
+        help_text="True if this link is structured data that should appear in the manifest's " +
+        "'seeAlso' field; if false, the link will appear in the 'related' field instead. Leave " +
+        "unchecked if unsure.",
+    )
     label = GenericRelation(ValueByLanguage)
     format = models.CharField(max_length=255, choices=Choices.MIMETYPES, blank=True, null=True)
     profile = models.CharField(max_length=255, blank=True, null=True)

apps/iiif/manifests/tests/tests.py

@@ -175,9 +175,9 @@ def test_serialized_related_links(self):
                 [manifest]
             )
         )
-        assert 'seeAlso' not in no_links.keys()
+        assert not no_links['seeAlso']
 
-        link = RelatedLink(link='images.org', manifest=manifest)
+        link = RelatedLink(link='images.org', manifest=manifest, is_structured_data=True)
         link.save()
         manifest.refresh_from_db()
 

apps/iiif/serializers/manifest.py

@@ -125,10 +125,9 @@ def get_dump_object(self, obj):
                             )
                         )
                     }
-                ]
+                ],
+                "seeAlso": obj.see_also_links,
             }
-            if obj.relatedlink_set.exists():
-                data["seeAlso"] = [related.link for related in obj.relatedlink_set.all()]
             return data
         return None
 

apps/ingest/services.py

@@ -19,7 +19,10 @@ def clean_metadata(metadata):
     :rtype: dict
     """
     metadata = {key.casefold().replace(' ', '_'): value for key, value in metadata.items()}
-    fields = [f.name for f in Manifest._meta.get_fields()]
+    fields = [
+        *(f.name for f in Manifest._meta.get_fields()),
+        "related",  # used for related external links
+    ]
     invalid_keys = []
 
     for key in metadata.keys():
@@ -33,13 +36,31 @@ def clean_metadata(metadata):
         if key not in fields:
             invalid_keys.append(key)
 
+    # TODO: Update this method to allow all "invalid" keys to populate Manifest.metadata JSONField
     for invalid_key in invalid_keys:
         metadata.pop(invalid_key)
 
-
-
     return metadata
 
+def create_related_links(manifest, related_str):
+    """
+    Create RelatedLink objects from supplied related links string and associate each with supplied
+    Manifest. String should consist of semicolon-separated URLs.
+    :param manifest:
+    :type related_str: iiif.manifest.models.Manifest
+    :param related_str:
+    :type related_str: str
+    :rtype: None
+    """
+    for link in related_str.split(";"):
+        (format, _) = guess_type(link)
+        RelatedLink.objects.create(
+            manifest=manifest,
+            link=link,
+            format=format or "text/html",  # assume web page if MIME type cannot be determined
+            is_structured_data=False,  # assume this is not meant for seeAlso
+        )
+
 def create_manifest(ingest):
     """
     Create or update a Manifest from supplied metadata and images.
@@ -61,7 +82,13 @@ def create_manifest(ingest):
         else:
             manifest = Manifest.objects.create()
         for (key, value) in metadata.items():
-            setattr(manifest, key, value)
+            if key == "related":
+                # add RelatedLinks from metadata spreadsheet key "related"
+                create_related_links(manifest, value)
+            else:
+                # all other keys should exist as fields on Manifest (for now)
+                setattr(manifest, key, value)
+            # TODO: if the key doesn't exist on Manifest model, add it to Manifest.metadata
     else:
         manifest = Manifest()
 
@@ -77,13 +104,12 @@ def create_manifest(ingest):
         manifest.collections.set(ingest.collections.all())
         # Save again once relationship is set
         manifest.save()
-
-    # if type(ingest, .models.Remote):
-    if isinstance(ingest, Remote):
+    else:
         RelatedLink(
             manifest=manifest,
             link=ingest.remote_url,
-            format='application/ld+json'
+            format='application/ld+json',
+            is_structured_data=True,
         ).save()
 
     return manifest

apps/ingest/tasks.py

@@ -17,7 +17,7 @@
 from apps.ingest.models import IngestTaskWatcher
 
 from .mail import send_email_on_failure, send_email_on_success
-from .services import create_manifest
+from .services import create_manifest, create_related_links
 
 # Use `apps.get_model` to avoid circular import error. Because the parameters used to
 # create a background task have to be serializable, we can't just pass in the model object.
@@ -129,7 +129,12 @@ def create_canvases_from_s3_ingest(metadata, ingest_id):
     except Manifest.DoesNotExist:
         manifest = Manifest.objects.create(pid=pid)
     for (key, value) in metadata.items():
-        setattr(manifest, key, value)
+        if key == "related":
+            # add RelatedLinks from metadata spreadsheet key "related"
+            create_related_links(manifest, value)
+        else:
+            # all other keys should exist as fields on Manifest (for now)
+            setattr(manifest, key, value)
     # Image server: set from ingest
     ingest = S3Ingest.objects.get(pk=ingest_id)
     manifest.image_server = ingest.image_server

apps/ingest/tests/test_local.py

@@ -331,6 +331,23 @@ def test_it_creates_mainfest_with_metadata_property(self):
         assert local.manifest.pid == '808'
         assert local.manifest.title == 'Goodie Mob'
 
+    def test_create_related_links(self):
+        metadata = {
+            'pid': '808',
+            'related': 'https://github.com/ecds/readux/tree/develop;https://archive.org/download/cherokeehymnbook00boud/cherokeehymnbook00boud.pdf'
+        }
+        local = self.mock_local('no_meta_file.zip', metadata=metadata)
+        local.manifest = create_manifest(local)
+        related_links = local.manifest.related_links
+        # should get 2 from metadata, 1 from volume url
+        assert len(related_links) == 3
+        # should get github link format as text/html
+        assert any([link["@id"] == "https://github.com/ecds/readux/tree/develop" for link in related_links])
+        assert any([link["format"] == "text/html" for link in related_links])
+        # should get pdf format too
+        assert any([link["@id"] == "https://archive.org/download/cherokeehymnbook00boud/cherokeehymnbook00boud.pdf" for link in related_links])
+        assert any([link["format"] == "application/pdf" for link in related_links])
+
     def test_moving_bulk_bundle_to_s3(self):
         """
         It should upload Local.bundle_from_bulk to mock S3 by saving it to

apps/ingest/tests/test_services.py

@@ -90,8 +90,8 @@ def test_adding_related_link_to_remote_ingest_manifest(self):
             remote_url='https://swoop.net/manifest.json' # pylint: disable=line-too-long
         )
         manifest = services.create_manifest(remote)
-        related_link = manifest.relatedlink_set.first()
-        assert related_link.link == remote.remote_url
+        related_links = manifest.relatedlink_set.all()
+        assert any([link.link == remote.remote_url for link in related_links])
 
         httpretty.disable()
 

apps/templates/page.html

@@ -430,6 +430,25 @@ <h2 class="uk-modal-title">Text</h2>
           <v-info-content-url-external label="Stable Page" volume="{% url 'volume' volume.pid %}" url="https://{{ request.META.HTTP_HOST }}{% url 'volume' volume.pid %}/page/{{ page.pid }}">
           </v-info-content-url-external>
         {% endif %}
+
+        {% if volume.external_links.see_also %}
+          <v-info-content-url-multiple label="See Also">
+            {% for link in volume.external_links.see_also %}
+              <v-info-content-url-unit url="{{ link }}">
+              </v-info-content-url-unit>
+            {% endfor %}
+          </v-info-content-url-multiple>
+        {% endif %}
+
+        {% if volume.external_links.related %}
+          <v-info-content-url-multiple label="External Links">
+            {% for link in volume.external_links.related %}
+              <v-info-content-url-unit url="{{ link }}">
+              </v-info-content-url-unit>
+            {% endfor %}
+          </v-info-content-url-multiple>
+        {% endif %}
+
       </div>
     </div>