WIP: Add info based on AreaType

hub/templates/hub/area.html

@@ -39,10 +39,40 @@ <h1 class="m-0">{{ area.name }}</h1>
                 </div>
             </div>
             <div class="col-lg-9 offset-xl-1">
-
+            {% if area_type == "WMC" %}
+            <div class="card flex-grow-1 dataset-card">
+                                <div class="dataset-card-header">
+                                    <h5>This is a 2010 constituency</h5>
+                                </div>
+                                <div class="card-body">
+                                    <p>At the next election, people from this constituency will be divided into <b>{{ overlap_constituencies|length|apnumber }} constituenc{% if overlap_constituencies|length_is:1 %}y{% else %}ies{% endif %}:</b></p>
+                                    <table class="table mb-0">
+                                    <tbody>
+                                        {% for overlap_constituency in overlap_constituencies %}
+                                        <tr>
+                                            <th><a href="{% url 'area' area_type=overlap_constituency.area.area_type.code name=overlap_constituency.area.name %}" class="text-decoration-none">{{ overlap_constituency.area }}</a></th>
+                                            <td class="text-muted">Covers approximately {{ overlap_constituency.pop_overlap }}% of this constituency's population, and {{ overlap_constituency.area_overlap }}% of this constituency's area.</td>
+                                        </tr>
+                                        {% endfor %}
+                                    </tbody>
+                                </table>
+                                </div>
+                            </div>
+            {% endif %}
                 <section id="mp" class="area-section">
                     <h2 class="mb-3 text-primary">MP</h2>
-                    {% include 'hub/area/_mp_data.html' with mp_data=mp %}
+                    {% if area_type == "WMC23" %}
+                        <div class="card flex-grow-1 dataset-card">
+                                <div class="dataset-card-header">
+                                    <h5>This is a 2023 constituency</h5>
+                                </div>
+                                <div class="card-body">
+                                    <p>At the next election, an MP will be voted into this constituency, however until then, there is no MP.</p>
+                                </div>
+                            </div>
+                    {% else %}
+                        {% include 'hub/area/_mp_data.html' with mp_data=mp %}
+                    {% endif %}
                 </section>
 
               {% if categories.opinion %}

hub/views/area.py

@@ -5,6 +5,8 @@
 from django.shortcuts import get_object_or_404, redirect
 from django.views.generic import DetailView, TemplateView, View
 
+from mysoc_dataset import get_dataset_df
+
 from hub.mixins import TitleMixin
 from hub.models import (
     Area,
@@ -16,6 +18,7 @@
     UserDataSets,
 )
 from utils import is_valid_postcode
+from utils.constituency_mapping import get_overlap_df
 from utils.mapit import (
     BadRequestException,
     ForbiddenException,
@@ -176,8 +179,36 @@ def get_tags(self, mp_data, area_data):
 
         return tags
 
+    def get_overlap_info(self, **kwargs):
+        # Get lookup between short code and GSS
+        constituency_lookup = (
+            get_dataset_df(
+                repo_name="2025-constituencies",
+                package_name="parliament_con_2025",
+                version_name="latest",
+                file_name="parl_constituencies_2025.csv",
+            )
+            .set_index("short_code")["gss_code"]
+            .to_dict()
+        )
+
+        df = get_overlap_df("PARL10", "PARL25")
+        overlap_constituencies = df.query("PARL10 == @self.object.gss")
+        overlap_constituencies = [
+            {
+                "area": Area.objects.get(gss=constituency_lookup[row["PARL25"]]),
+                "pop_overlap": int(row["percentage_overlap_pop"] * 100),
+                "area_overlap": int(row["percentage_overlap_area"] * 100),
+            }
+            for index, row in overlap_constituencies.iterrows()
+        ]
+        return overlap_constituencies
+
     def get_context_data(self, **kwargs):
         context = super().get_context_data(**kwargs)
+
+        context["overlap_constituencies"] = self.get_overlap_info()
+        context["area_type"] = str(self.object.area_type)
         try:
             context["mp"] = {"person": Person.objects.get(area=self.object)}