Implement support for sets and other improvements (#34)

* Add a boolean to define item as part of a set
* Add contextual help in admin
* Introduce support to sets and to item code lookup
Also review the url path for pagination

ram/portal/templates/cards/roster.html

@@ -60,7 +60,7 @@
                   </tr>
                   <tr>
                     <th scope="row">Item number</th>
-                    <td>{{ d.item.item_number }}</td>
+                    <td>{{ d.item.item_number }}{%if d.item.set %} | <a class="badge text-bg-primary" href="{% url 'manufacturer' manufacturer=d.item.manufacturer search=d.item.item_number %}">SET</a>{% endif %}</td>
                   </tr>
                 </tbody>
               </table>

ram/portal/templates/manufacturer.html

@@ -0,0 +1,40 @@
+{% extends "cards.html" %}
+      {% block pagination %}
+      {% if data.has_other_pages %}
+      <nav aria-label="Page navigation example">
+        <ul class="pagination justify-content-center mt-4 mb-0">
+          {% if data.has_previous %}
+          <li class="page-item">
+            <a class="page-link" href="{% url 'manufacturer_pagination' manufacturer=manufacturer search=search page=data.previous_page_number %}#main-content" tabindex="-1">Previous</a>
+          </li>
+          {% else %}
+          <li class="page-item disabled">
+            <span class="page-link">Previous</span>
+          </li>
+          {% endif %}
+          {% for i in page_range %}
+            {% if data.number == i %}
+            <li class="page-item active">
+              <span class="page-link">{{ i }}</span>
+            </li>
+            {% else %}
+              {% if i == data.paginator.ELLIPSIS %}
+              <li class="page-item"><span class="page-link">{{ i }}</span></li>
+              {% else %}
+              <li class="page-item"><a class="page-link" href="{% url 'manufacturer_pagination' manufacturer=manufacturer search=search page=i %}#main-content">{{ i }}</a></li>
+              {% endif %}
+            {% endif %}
+          {% endfor %}
+          {% if data.has_next %}
+          <li class="page-item">
+            <a class="page-link" href="{% url 'manufacturer_pagination' manufacturer=manufacturer search=search page=data.next_page_number %}#main-content" tabindex="-1">Next</a>
+          </li>
+          {% else %}
+          <li class="page-item disabled">
+            <span class="page-link">Next</span>
+          </li>
+          {% endif %}
+        </ul>
+      </nav>
+      {% endif %}
+      {% endblock %}

ram/portal/templates/rollingstock.html

@@ -52,6 +52,7 @@
                 {% if documents or decoder_documents %}<button class="nav-link" id="nav-documents-tab" data-bs-toggle="tab" data-bs-target="#nav-documents" type="button" role="tab" aria-controls="nav-documents" aria-selected="false">Documents</button>{% endif %}
                 {% if journal %}<button class="nav-link" id="nav-journal-tab" data-bs-toggle="tab" data-bs-target="#nav-journal" type="button" role="tab" aria-controls="nav-journal" aria-selected="false">Journal</button>{% endif %}
                 {% if rolling_stock.notes %}<button class="nav-link" id="nav-notes-tab" data-bs-toggle="tab" data-bs-target="#nav-notes" type="button" role="tab" aria-controls="nav-notes" aria-selected="false">Notes</button>{% endif %}
+                {% if set %}<button class="nav-link" id="nav-set-tab" data-bs-toggle="tab" data-bs-target="#nav-set" type="button" role="tab" aria-controls="nav-set" aria-selected="false">Set</button>{% endif %}
                 {% if consists %}<button class="nav-link" id="nav-consists-tab" data-bs-toggle="tab" data-bs-target="#nav-consists" type="button" role="tab" aria-controls="nav-consists" aria-selected="false">Consists</button>{% endif %}
               </nav>
               <select class="form-select d-lg-none mb-2" id="tabSelector" aria-label="Tab selector">
@@ -63,6 +64,7 @@
                 {% if documents or decoder_documents %}<option value="nav-documents">Documents</option>{% endif %}
                 {% if journal %}<option value="nav-journal">Journal</option>{% endif %}
                 {% if rolling_stock.notes %}<option value="nav-notes">Notes</option>{% endif %}
+                {% if set %}<option value="nav-set">Set</option>{% endif %}
                 {% if consists %}<option value="nav-consists">Consists</option>{% endif %}
               </select>
               {% with class=rolling_stock.rolling_class company=rolling_stock.rolling_class.company %}
@@ -118,7 +120,7 @@
                       </tr>
                       <tr>
                         <th scope="row">Item number</th>
-                        <td>{{ rolling_stock.item_number }}</td>
+                        <td>{{ rolling_stock.item_number }}{%if rolling_stock.set %} | <a class="badge text-bg-primary" href="{% url 'manufacturer' manufacturer=rolling_stock.manufacturer search=rolling_stock.item_number %}">SET</a>{% endif %}</td>
                       </tr>
                     </tbody>
                   </table>
@@ -171,7 +173,7 @@
                       </tr>
                       <tr>
                         <th scope="row">Item number</th>
-                        <td>{{ rolling_stock.item_number }}</td>
+                        <td>{{ rolling_stock.item_number }}{%if rolling_stock.set %} | <a class="badge text-bg-primary" href="{% url 'manufacturer' manufacturer=rolling_stock.manufacturer search=rolling_stock.item_number %}">SET</a>{% endif %}</td>
                       </tr>
                       <tr>
                         <th scope="row">Era</th>
@@ -374,6 +376,13 @@
                 <div class="tab-pane" id="nav-notes" role="tabpanel" aria-labelledby="nav-notes-tab">
                   {{ rolling_stock.notes | safe }}
                 </div>
+                <div class="tab-pane" id="nav-set" role="tabpanel" aria-labelledby="nav-set-tab">
+                  <div class="row row-cols-1 row-cols-md-2 row-cols-lg-3 g-3 mb-3">
+                  {% for d in set %}
+                  {% include "cards/roster.html" %}
+                  {% endfor %}
+                  </div>
+                </div>
                 <div class="tab-pane" id="nav-consists" role="tabpanel" aria-labelledby="nav-cosists-tab">
                   <div class="row row-cols-1 row-cols-md-2 row-cols-lg-3 g-3 mb-3">
                   {% for d in consists %}

ram/portal/urls.py

@@ -4,6 +4,7 @@ from portal.views import (
     GetData,
     GetRoster,
     GetObjectsFiltered,
+    GetManufacturerItem,
     GetFlatpage,
     GetRollingStock,
     GetConsist,
@@ -20,7 +21,11 @@ from portal.views import (
 urlpatterns = [
     path("", GetData.as_view(template="home.html"), name="index"),
     path("roster", GetRoster.as_view(), name="roster"),
-    path("roster/<int:page>", GetRoster.as_view(), name="roster_pagination"),
+    path(
+        "roster/page/<int:page>",
+        GetRoster.as_view(),
+        name="roster_pagination"
+    ),
     path(
         "page/<str:flatpage>",
         GetFlatpage.as_view(),
@@ -32,13 +37,13 @@ urlpatterns = [
         name="consists"
     ),
     path(
-        "consists/<int:page>",
+        "consists/page/<int:page>",
         Consists.as_view(template="consists.html"),
         name="consists_pagination"
     ),
     path("consist/<uuid:uuid>", GetConsist.as_view(), name="consist"),
     path(
-        "consist/<uuid:uuid>/<int:page>",
+        "consist/<uuid:uuid>/page/<int:page>",
         GetConsist.as_view(),
         name="consist_pagination",
     ),
@@ -48,7 +53,7 @@ urlpatterns = [
         name="companies"
     ),
     path(
-        "companies/<int:page>",
+        "companies/page/<int:page>",
         Companies.as_view(template="companies.html"),
         name="companies_pagination",
     ),
@@ -58,7 +63,7 @@ urlpatterns = [
         name="manufacturers"
     ),
     path(
-        "manufacturers/<str:category>/<int:page>",
+        "manufacturers/<str:category>/page/<int:page>",
         Manufacturers.as_view(template="manufacturers.html"),
         name="manufacturers_pagination",
     ),
@@ -68,7 +73,7 @@ urlpatterns = [
         name="scales"
     ),
     path(
-        "scales/<int:page>",
+        "scales/page/<int:page>",
         Scales.as_view(template="scales.html"),
         name="scales_pagination"
     ),
@@ -78,7 +83,7 @@ urlpatterns = [
         name="types"
     ),
     path(
-        "types/<int:page>",
+        "types/page/<int:page>",
         Types.as_view(template="types.html"),
         name="types_pagination"
     ),
@@ -88,7 +93,7 @@ urlpatterns = [
         name="books"
     ),
     path(
-        "bookshelf/books/<int:page>",
+        "bookshelf/books/page/<int:page>",
         Books.as_view(template="bookshelf/books.html"),
         name="books_pagination"
     ),
@@ -99,17 +104,37 @@ urlpatterns = [
         name="search",
     ),
     path(
-        "search/<str:search>/<int:page>",
+        "search/<str:search>/page/<int:page>",
         SearchObjects.as_view(),
         name="search_pagination",
     ),
+    path(
+        "manufacturer/<str:manufacturer>",
+        GetManufacturerItem.as_view(),
+        name="manufacturer",
+    ),
+    path(
+        "manufacturer/<str:manufacturer>/page/<int:page>",
+        GetManufacturerItem.as_view(),
+        name="manufacturer_pagination",
+    ),
+    path(
+        "manufacturer/<str:manufacturer>/<str:search>",
+        GetManufacturerItem.as_view(),
+        name="manufacturer",
+    ),
+    path(
+        "manufacturer/<str:manufacturer>/<str:search>/page/<int:page>",
+        GetManufacturerItem.as_view(),
+        name="manufacturer_pagination",
+    ),
     path(
         "<str:_filter>/<str:search>",
         GetObjectsFiltered.as_view(),
         name="filtered",
     ),
     path(
-        "<str:_filter>/<str:search>/<int:page>",
+        "<str:_filter>/<str:search>/page/<int:page>",
         GetObjectsFiltered.as_view(),
         name="filtered_pagination",
     ),

ram/portal/views.py

@@ -7,7 +7,7 @@ from django.views import View
 from django.http import Http404, HttpResponseBadRequest
 from django.db.utils import OperationalError, ProgrammingError
 from django.db.models import Q
-from django.shortcuts import render, get_object_or_404
+from django.shortcuts import render, get_object_or_404, get_list_or_404
 from django.core.exceptions import ObjectDoesNotExist
 from django.core.paginator import Paginator
 
@@ -215,6 +215,58 @@ class SearchObjects(View):
         return self.get(request, search, page)
 
 
+class GetManufacturerItem(View):
+    def get(self, request, manufacturer, search="all", page=1):
+        site_conf = get_site_conf()
+
+        if search != "all":
+            rolling_stock = get_list_or_404(
+                RollingStock.objects.order_by(*order_by_fields()),
+                Q(
+                    Q(manufacturer__name__iexact=manufacturer)
+                    & Q(item_number__exact=search)
+                )
+            )
+            title = "{0}: {1}".format(
+                rolling_stock[0].manufacturer,
+                search
+            )
+        else:
+            rolling_stock = get_list_or_404(
+                RollingStock.objects.order_by(*order_by_fields()),
+                Q(rolling_class__manufacturer__slug__iexact=manufacturer)
+                | Q(manufacturer__slug__iexact=manufacturer)
+            )
+            title = "Manufacturer: {0}".format(
+                    get_object_or_404(Manufacturer, slug__iexact=manufacturer)
+                )
+
+        data = []
+        for item in rolling_stock:
+            data.append({
+                "type": "rolling_stock",
+                "item": item
+            })
+
+        paginator = Paginator(data, site_conf.items_per_page)
+        data = paginator.get_page(page)
+        page_range = paginator.get_elided_page_range(
+            data.number, on_each_side=2, on_ends=1
+        )
+        return render(
+            request,
+            "manufacturer.html",
+            {
+                "title": title,
+                "manufacturer": manufacturer,
+                "search": search,
+                "data": data,
+                "matches": paginator.count,
+                "page_range": page_range,
+            },
+        )
+
+
 class GetObjectsFiltered(View):
     def run_filter(self, request, search, _filter, page=1):
         site_conf = get_site_conf()
@@ -226,12 +278,6 @@ class GetObjectsFiltered(View):
             title = get_object_or_404(Company, slug__iexact=search)
             query = Q(rolling_class__company__slug__iexact=search)
             query_2nd = Q(company__slug__iexact=search)
-        elif _filter == "manufacturer":
-            title = get_object_or_404(Manufacturer, slug__iexact=search)
-            query = Q(
-                Q(rolling_class__manufacturer__slug__iexact=search)
-                | Q(manufacturer__slug__iexact=search)
-            )
         elif _filter == "scale":
             title = get_object_or_404(Scale, slug__iexact=search)
             query = Q(scale__slug__iexact=search)
@@ -347,6 +393,16 @@ class GetRollingStock(View):
             consist_item__rolling_stock=rolling_stock
         )]  # A dict with "item" is required by the consists card
 
+        set = [{
+            "type": "set",
+            "item": s
+        } for s in RollingStock.objects.filter(
+                Q(
+                    Q(item_number__exact=rolling_stock.item_number)
+                    & Q(set=True)
+                )
+        )]
+
         return render(
             request,
             "rollingstock.html",
@@ -358,6 +414,7 @@ class GetRollingStock(View):
                 "decoder_documents": decoder_documents,
                 "documents": documents,
                 "journal": journal,
+                "set": set,
                 "consists": consists,
             },
         )