Show timeline of availability/vaccines on /location/x page, refs #650

vaccinate/core/views.py

@@ -85,6 +85,74 @@ def location(request, public_id):
         data = transform(json.loads(content))
         api_previews[title] = json.dumps(data, indent=4)
 
+    # Come up with a timeline of source locations and reports
+    availability_reports = (
+        location.reports.all()
+        .exclude(soft_deleted=True)
+        .prefetch_related("availability_tags")
+        .exclude(availability_tags__group="skip")
+        .order_by("-created_at")
+    )
+
+    availability_source_locations = (
+        location.matched_source_locations.all()
+        .order_by("-last_imported_at")
+        .exclude(import_json__availability=None)
+    )
+
+    vaccines_offered_reports = (
+        location.reports.all()
+        .exclude(soft_deleted=True)
+        .prefetch_related("availability_tags")
+        .exclude(availability_tags__group="skip")
+        .exclude(vaccines_offered__isnull=True)
+        .order_by("-created_at")
+    )
+
+    vaccines_offered_source_locations = (
+        location.matched_source_locations.all()
+        .order_by("-last_imported_at")
+        .exclude(import_json__inventory=None)
+    )
+
+    availability_timeline = []
+    for report in availability_reports:
+        availability_timeline.append(
+            {
+                "type": "report",
+                "report": report,
+                "when": report.created_at,
+            }
+        )
+    for source_location in availability_source_locations:
+        availability_timeline.append(
+            {
+                "type": "source_location",
+                "source_location": source_location,
+                "when": source_location.last_imported_at,
+            }
+        )
+    availability_timeline.sort(key=lambda r: r["when"], reverse=True)
+
+    vaccines_offered_timeline = []
+    for report in vaccines_offered_reports:
+        vaccines_offered_timeline.append(
+            {
+                "type": "report",
+                "report": report,
+                "when": report.created_at,
+            }
+        )
+    for source_location in vaccines_offered_source_locations:
+        vaccines_offered_timeline.append(
+            {
+                "type": "source_location",
+                "source_location": source_location,
+                "when": source_location.last_imported_at,
+            }
+        )
+    vaccines_offered_timeline.sort(key=lambda r: r["when"], reverse=True)
+
     return render(
         request,
         "location.html",
@@ -95,6 +163,8 @@ def location(request, public_id):
                 indent=4,
                 default=lambda v: v.isoformat() if hasattr(v, "isoformat") else repr(v),
             ),
+            "availability_timeline": availability_timeline,
+            "vaccines_offered_timeline": vaccines_offered_timeline,
             "source_locations": location.matched_source_locations.order_by(
                 "-created_at"
             ).prefetch_related("concordances"),

vaccinate/templates/location.html

@@ -13,6 +13,36 @@ <h2>Derived availability and inventory</h2>
 
 <pre>{{ derived_availability_and_inventory }}</pre>
 
+{% if availability_timeline %}
+  <p>Availability:</p>
+  <ul>
+    {% for item in availability_timeline %}
+      <li><strong>{{ item.when }}</strong> ({{ item.type }})<br>
+      {% if item.type == "source_location" %}
+        {{ item.source_location.import_json.availability }} according to {{ item.source_location.source_uid }}
+      {% else %}
+        <em>{{ item.report.availability }}</em> according to {{ item.report }}
+      {% endif %}
+      </li>
+    {% endfor %}
+  </ul>
+{% endif %}
+
+{% if vaccines_offered_timeline %}
+  <p>Vaccines offered:</p>
+  <ul>
+    {% for item in vaccines_offered_timeline %}
+      <li><strong>{{ item.when }}</strong> ({{ item.type }})<br>
+      {% if item.type == "source_location" %}
+        {{ item.source_location.import_json.inventory }} according to {{ item.source_location.source_uid }}
+      {% else %}
+        <em>{{ item.report.vaccines_offered }}</em> according to {{ item.report }}
+      {% endif %}
+      </li>
+    {% endfor %}
+  </ul>
+{% endif %}
+
 {% for title, content in api_previews %}
   <h2>{{ title }}</h2>
   <pre>{{ content }}</pre>