New: Add views for institutions

django/cantusdb_project/main_app/identifiers.py

@@ -5,6 +5,7 @@ class ExternalIdentifiers:
     GND = 4
     BNF = 5
     LC = 6
+    DIAMM = 7
 
 
 IDENTIFIER_TYPES = (
@@ -14,6 +15,7 @@ class ExternalIdentifiers:
     (ExternalIdentifiers.GND, "GND (Gemeinsame Normdatei)"),
     (ExternalIdentifiers.BNF, "Bibliothèque national de France"),
     (ExternalIdentifiers.LC, "Library of Congress"),
+    (ExternalIdentifiers.DIAMM, "Digital Image Archive of Medieval Music"),
 )
 
 TYPE_PREFIX = {
@@ -23,4 +25,5 @@ class ExternalIdentifiers:
     ExternalIdentifiers.GND: ("dnb", "https://d-nb.info/gnd/"),
     ExternalIdentifiers.BNF: ("bnf", "https://catalogue.bnf.fr/ark:/12148/cb"),
     ExternalIdentifiers.LC: ("lc", "https://id.loc.gov/authorities/"),
+    ExternalIdentifiers.DIAMM: ("diamm", "https://www.diamm.ac.uk/"),
 }

django/cantusdb_project/main_app/models/institution.py

@@ -11,6 +11,7 @@
 
 class Institution(BaseModel):
     class Meta:
+        ordering = ["country", "city", "name"]
         constraints = [
             CheckConstraint(
                 check=~(Q(is_private_collector=True) & Q(siglum__isnull=False)),

django/cantusdb_project/main_app/templates/institution_detail.html

@@ -0,0 +1,71 @@
+{% extends "base.html" %}
+
+{% block title %}
+
+{% endblock %}
+
+{% block content %}
+    <div class="mr-3 p-3 col-md-12 mx-auto bg-white rounded">
+        <object align="right" class="search-bar">
+            {% include "global_search_bar.html" %}
+        </object>
+        <h3>{{ institution.name }} {% if institution.siglum %}({{ institution.siglum }}){% endif %}</h3>
+        <h4>{{ institution.city }}, {{ institution.country }}</h4>
+        {% if institution_authorities %}
+        <hr />
+        <div class="row">
+            <div class="col">
+                {% for authority in institution_authorities %}
+                    View this institution in <a href="{{ authority.1 }}">{{ authority.0 }}</a>
+                {% endfor %}
+            </div>
+        </div>
+        {% endif %}
+        <hr />
+        <div class="row">
+            {% if num_cantus_sources > 0 %}
+            <div class="col">
+                <h5>Cantus Database</h5>
+                <table class="table table-bordered table-sm small">
+                    <thead>
+                        <tr>
+                            <th>Shelfmark</th>
+                        </tr>
+                    </thead>
+                    <tbody>
+                    {% for source in cantus_sources %}
+                        <tr>
+                            <td>
+                                <a href="{% url "source-detail" source.id %}"><b>{{ source.shelfmark }}</b></a>
+                            </td>
+                        </tr>
+                    {% endfor %}
+                    </tbody>
+                </table>
+            </div>
+            {% endif %}
+
+            {% if num_bower_sources > 0 %}
+                <div class="col">
+                    <h5>Bower Sequence Database</h5>
+                    <table class="table table-bordered table-sm small">
+                        <thead>
+                        <tr>
+                            <th>Shelfmark</th>
+                        </tr>
+                        </thead>
+                        <tbody>
+                        {% for source in bower_sources %}
+                            <tr>
+                                <td>
+                                    <a href="{% url "source-detail" source.id %}"><b>{{ source.shelfmark }}</b></a>
+                                </td>
+                            </tr>
+                        {% endfor %}
+                        </tbody>
+                    </table>
+                </div>
+            {% endif %}
+        </div>
+    </div>
+{% endblock %}

django/cantusdb_project/main_app/templates/institution_list.html

@@ -0,0 +1,44 @@
+{% extends "base.html" %}
+
+{% block title %}
+
+{% endblock %}
+
+{% block content %}
+    <div class="mr-3 p-3 col-md-12 mx-auto bg-white rounded">
+        <object align="right" class="search-bar">
+            {% include "global_search_bar.html" %}
+        </object>
+        <h3>Institutions</h3>
+        <small>Displaying {{ page_obj.start_index }}-{{ page_obj.end_index }} of {{ page_obj.paginator.count }}</small>
+        <table class="table table-bordered table-sm small">
+            <thead>
+                <tr>
+                    <th scope="col" class="text-wrap" title="Country">Country</th>
+                    <th scope="col" class="text-wrap" title="City">City</th>
+                    <th scope="col" class="text-wrap" title="Name">Name</th>
+                    <th scope="col" class="text-wrap" title="Sources">Sources</th>
+                </tr>
+            </thead>
+            <tbody>
+                {% for institution in institutions %}
+                    <tr>
+                        <td class="text-wrap">
+                            {{ institution.country }}
+                        </td>
+                        <td>
+                            {{ institution.city }}
+                        </td>
+                        <td class="text-wrap">
+                            <a href="{% url "institution-detail" institution.id %}">
+                                <b>{{ institution.name }} {% if institution.siglum %}({{ institution.siglum }}){% endif %}</b>
+                            </a>
+                        </td>
+                        <td>{{ institution.num_sources }}</td>
+                    </tr>
+                {% endfor %}
+            </tbody>
+        </table>
+        {% include "pagination.html" %}
+    </div>
+{% endblock %}

django/cantusdb_project/main_app/templates/source_detail.html

@@ -37,6 +37,10 @@ <h3>{{ source.heading }}</h3>
     {% if source.holding_institution %}
         <dt>Siglum</dt>
         <dd>{{ source.short_heading }}</dd>
+        <dt>Holding Institution</dt>
+        <dd>
+            <a href="{% url "institution-detail" source.holding_institution_id %}">{{ source.holding_institution }}</a>
+        </dd>
     {% endif %}
 
     {% if source.summary %}

django/cantusdb_project/main_app/urls.py

@@ -22,6 +22,7 @@
     articles_list_export,
     flatpages_list_export,
 )
+from main_app.views.institution import InstitutionListView, InstitutionDetailView
 from main_app.views.redirect import (
     redirect_chants,
     redirect_genre,
@@ -256,6 +257,17 @@
         IndexerListView.as_view(),
         name="indexer-list",
     ),
+    # institution
+    path(
+        "institutions/",
+        InstitutionListView.as_view(),
+        name="institution-list",
+    ),
+    path(
+        "institution/<int:pk>",
+        InstitutionDetailView.as_view(),
+        name="institution-detail",
+    ),
     # notation
     path(
         "notation/<int:pk>",

django/cantusdb_project/main_app/views/institution.py

@@ -0,0 +1,77 @@
+from django.db.models import Count, Subquery, OuterRef, Aggregate, F, Q, Func
+from django.views.generic import DetailView, ListView
+
+from main_app.identifiers import IDENTIFIER_TYPES, TYPE_PREFIX
+from main_app.models import Institution, Source, Segment, InstitutionIdentifier
+
+
+class InstitutionListView(ListView):
+    model = Institution
+    context_object_name = "institutions"
+    paginate_by = 100
+    template_name = "institution_list.html"
+
+    def get_queryset(self):
+        display_unpublished: bool = self.request.user.is_authenticated
+
+        # uses a subquery to get a count of the sources, filtering by published
+        # sources only it the user is not logged in.
+        qargs = {"holding_institution": OuterRef("pk")}
+        if display_unpublished is False:
+            qargs["published"] = True
+
+        sources = (
+            Source.objects.filter(**qargs)
+            .annotate(c=Func(F("id"), function="COUNT"))
+            .values("c")
+        )
+
+        # Only display institution records if they have sources in them that the user
+        # can access.
+        qset = Institution.objects.annotate(num_sources=Subquery(sources)).filter(
+            num_sources__gt=0
+        )
+        return qset
+
+
+class InstitutionDetailView(DetailView):
+    model = Institution
+    context_object_name = "institution"
+    template_name = "institution_detail.html"
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        institution = self.get_object()
+
+        # Show the Cantus and Bower sources in separate tables, and pre-format
+        # the external authority links.
+        cantus_segment = Segment.objects.get(id=4063)
+        bower_segment = Segment.objects.get(id=4064)
+        cantus_sources = Source.objects.filter(
+            holding_institution=institution, segment=cantus_segment
+        ).select_related("holding_institution")
+        bower_sources = Source.objects.filter(
+            holding_institution=institution, segment=bower_segment
+        ).select_related("holding_institution")
+        institution_authorities = InstitutionIdentifier.objects.filter(
+            institution=institution
+        )
+
+        display_unpublished = self.request.user.is_authenticated
+        if display_unpublished is False:
+            cantus_sources = cantus_sources.filter(published=True)
+            bower_sources = bower_sources.filter(published=True)
+
+        formatted_authorities = []
+        for authority in institution_authorities:
+            formatted_authorities.append(
+                (authority.identifier_label, authority.identifier_url)
+            )
+
+        context["cantus_sources"] = cantus_sources
+        context["num_cantus_sources"] = cantus_sources.count()
+        context["bower_sources"] = bower_sources
+        context["num_bower_sources"] = bower_sources.count()
+        context["institution_authorities"] = formatted_authorities
+
+        return context