Replace thumbnails with carousels in rolling stock pages (#15)

* Replace thumbnails with carousels in rolling stock pages

* Add consist data and notes in page

.github/workflows/django.yml

@@ -13,7 +13,7 @@ jobs:
     strategy:
       max-parallel: 2
       matrix:
-        python-version: ['3.9', '3.10']
+        python-version: ['3.9', '3.10', '3.11']
 
     steps:
     - uses: actions/checkout@v3

README.md

@@ -21,7 +21,7 @@ it has been developed with a commitment of few minutes a day;
 it lacks any kind of documentation, code review, architectural review,
 security assesment, pentest, ISO certification, etc.
 
-This project probably doesn't match you needs nor expectations. Be aware.
+This project probably doesn't match your needs nor expectations. Be aware.
 
 Your model train may also catch fire while using this software.
 
@@ -49,7 +49,7 @@ It has been developed with:
 
 ## Requirements
 
-- Python 3.8+
+- Python 3.9+
 - A USB port when running Arduino hardware (and adaptors if you have a Mac)
 
 ## Web portal installation

ram/consist/admin.py

@@ -21,6 +21,7 @@ class ConsistAdmin(SortableAdminBase, admin.ModelAdmin):
     list_display = ("identifier", "company", "era")
     list_filter = list_display
     search_fields = list_display
+    save_as = True
 
     fieldsets = (
         (

ram/consist/migrations/0007_alter_consist_image.py

@@ -0,0 +1,24 @@
+# Generated by Django 4.1.2 on 2022-11-27 00:10
+
+from django.db import migrations, models
+import ram.utils
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("consist", "0006_md_to_html"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="consist",
+            name="image",
+            field=models.ImageField(
+                blank=True,
+                null=True,
+                storage=ram.utils.DeduplicatedStorage,
+                upload_to="images/",
+            ),
+        ),
+    ]

ram/consist/migrations/0008_alter_consist_options.py

@@ -0,0 +1,17 @@
+# Generated by Django 4.1.3 on 2023-01-02 15:03
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("consist", "0007_alter_consist_image"),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name="consist",
+            options={"ordering": ["company", "-creation_time"]},
+        ),
+    ]

ram/consist/models.py

@@ -4,6 +4,7 @@ from django.urls import reverse
 
 from ckeditor_uploader.fields import RichTextUploadingField
 
+from ram.utils import DeduplicatedStorage
 from metadata.models import Company, Tag
 from roster.models import RollingStock
 
@@ -17,7 +18,9 @@ class Consist(models.Model):
     )
     company = models.ForeignKey(Company, on_delete=models.CASCADE)
     era = models.CharField(max_length=32, blank=True)
-    image = models.ImageField(upload_to="images/", null=True, blank=True)
+    image = models.ImageField(
+        upload_to="images/", storage=DeduplicatedStorage, null=True, blank=True
+    )
     notes = RichTextUploadingField(blank=True)
     creation_time = models.DateTimeField(auto_now_add=True)
     updated_time = models.DateTimeField(auto_now=True)
@@ -29,7 +32,7 @@ class Consist(models.Model):
         return reverse("consist", kwargs={"uuid": self.uuid})
 
     class Meta:
-        ordering = ["creation_time"]
+        ordering = ["company", "-creation_time"]
 
 
 class ConsistItem(models.Model):

ram/metadata/admin.py

@@ -20,8 +20,8 @@ class PropertyAdmin(admin.ModelAdmin):
 @admin.register(Decoder)
 class DecoderAdmin(admin.ModelAdmin):
     readonly_fields = ("image_thumbnail",)
-    list_display = ("__str__", "interface")
-    list_filter = ("manufacturer", "interface")
+    list_display = ("__str__", "sound")
+    list_filter = ("manufacturer", "sound")
     search_fields = ("name", "manufacturer__name")
 
 

ram/metadata/migrations/0008_remove_decoder_interface.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.1.2 on 2022-10-31 23:01
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("metadata", "0007_rename_track_scale_tracks"),
+        ("roster", "0013_rollingstock_decoder_interface"),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name="decoder",
+            name="interface",
+        ),
+    ]

ram/metadata/migrations/0009_alter_company_logo_alter_decoder_image_and_more.py

@@ -0,0 +1,44 @@
+# Generated by Django 4.1.2 on 2022-11-27 00:10
+
+from django.db import migrations, models
+import ram.utils
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("metadata", "0008_remove_decoder_interface"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="company",
+            name="logo",
+            field=models.ImageField(
+                blank=True,
+                null=True,
+                storage=ram.utils.DeduplicatedStorage,
+                upload_to="images/",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="decoder",
+            name="image",
+            field=models.ImageField(
+                blank=True,
+                null=True,
+                storage=ram.utils.DeduplicatedStorage,
+                upload_to="images/",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="manufacturer",
+            name="logo",
+            field=models.ImageField(
+                blank=True,
+                null=True,
+                storage=ram.utils.DeduplicatedStorage,
+                upload_to="images/",
+            ),
+        ),
+    ]

ram/metadata/models.py

@@ -3,7 +3,7 @@ from django.conf import settings
 from django.dispatch.dispatcher import receiver
 from django_countries.fields import CountryField
 
-from ram.utils import get_image_preview, slugify
+from ram.utils import DeduplicatedStorage, get_image_preview, slugify
 
 
 class Property(models.Model):
@@ -24,7 +24,9 @@ class Manufacturer(models.Model):
         max_length=64, choices=settings.MANUFACTURER_TYPES
     )
     website = models.URLField(blank=True)
-    logo = models.ImageField(upload_to="images/", null=True, blank=True)
+    logo = models.ImageField(
+        upload_to="images/", storage=DeduplicatedStorage, null=True, blank=True
+    )
 
     class Meta:
         ordering = ["category", "name"]
@@ -43,7 +45,9 @@ class Company(models.Model):
     extended_name = models.CharField(max_length=128, blank=True)
     country = CountryField()
     freelance = models.BooleanField(default=False)
-    logo = models.ImageField(upload_to="images/", null=True, blank=True)
+    logo = models.ImageField(
+        upload_to="images/", storage=DeduplicatedStorage, null=True, blank=True
+    )
 
     class Meta:
         verbose_name_plural = "Companies"
@@ -66,11 +70,10 @@ class Decoder(models.Model):
         limit_choices_to={"category": "model"},
     )
     version = models.CharField(max_length=64, blank=True)
-    interface = models.PositiveSmallIntegerField(
-        choices=settings.DECODER_INTERFACES, null=True, blank=True
-    )
     sound = models.BooleanField(default=False)
-    image = models.ImageField(upload_to="images/", null=True, blank=True)
+    image = models.ImageField(
+        upload_to="images/", storage=DeduplicatedStorage, null=True, blank=True
+    )
 
     def __str__(self):
         return "{0} - {1}".format(self.manufacturer, self.name)

ram/portal/admin.py

@@ -3,7 +3,34 @@ from solo.admin import SingletonModelAdmin
 
 from portal.models import SiteConfiguration, Flatpage
 
-admin.site.register(SiteConfiguration, SingletonModelAdmin)
+@admin.register(SiteConfiguration)
+class SiteConfigurationAdmin(SingletonModelAdmin):
+    fieldsets = (
+        (
+            None,
+            {
+                "fields": (
+                    "site_name",
+                    "site_author",
+                    "about",
+                    "items_per_page",
+                    "items_ordering",
+                    "footer",
+                    "footer_extended",
+                )
+            },
+        ),
+        (
+            "Advanced",
+            {
+                "classes": ("collapse",),
+                "fields": (
+                    "show_version",
+                    "extra_head",
+                ),
+            },
+        ),
+    )
 
 
 @admin.register(Flatpage)

ram/portal/migrations/0014_siteconfiguration_extra_head.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.1.3 on 2022-12-28 22:43
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("portal", "0013_remove_flatpage_draft_flatpage_published"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="siteconfiguration",
+            name="extra_head",
+            field=models.TextField(blank=True),
+        ),
+    ]

ram/portal/models.py

@@ -35,6 +35,7 @@ class SiteConfiguration(SingletonModel):
     footer = RichTextField(blank=True)
     footer_extended = RichTextField(blank=True)
     show_version = models.BooleanField(default=True)
+    extra_head = models.TextField(blank=True)
 
     class Meta:
         verbose_name = "Site Configuration"

ram/portal/static/css/main.css

@@ -23,6 +23,15 @@ a.badge, a.badge:hover {
   padding: .5rem;
 }
 
+#nav-journal ul, #nav-journal ol {
+  margin: 0;
+  padding-left: 1rem;
+}
+
+#nav-journal p {
+  margin: 0;
+}
+
 #footer > p {
   display: inline;
 }

ram/portal/templates/base.html

@@ -12,7 +12,7 @@
     <meta name="description" content="{{ site_conf.about}}">
     <meta name="author" content="{{ site_conf.site_author }}">
     <meta name="generator" content="Django Framework">
-    <title>{{ site_conf.site_name }}</title>
+    <title>{% block title %}{{ title }}{% endblock %} - {{ site_conf.site_name }}</title>
     <link href="https://cdn.jsdelivr.net/npm/bootstrap-dark-5@1.1.3/dist/css/bootstrap-nightshade.min.css" rel="stylesheet">
     <link href="{% static "css/main.css" %}" rel="stylesheet">
     <link href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet">
@@ -34,6 +34,10 @@
       html.dark .d-light-inline { display: none !important; }
       html.dark .d-dark-inline { display: inline !important; }
     </style>
+    {% block extra_head %}
+    {{ site_conf.extra_head | safe }}
+    {% endblock %}
+
   </head>
   <body>
     <header>
@@ -45,7 +49,7 @@
             </svg>
             <strong>{{ site_conf.site_name }}</strong>
           </a>
-          <div class="btn-group" role="group" aria-label="Basic example">
+          <div class="btn-group" role="group" aria-label="Login menu">
             {% include 'includes/login.html' %}
             <a id="darkmode-button" class="btn btn-sm btn-outline-dark"><i class="fa fa-moon-o fa-fw d-none d-light-inline" title="Switch to dark mode"></i><i class="fa fa-sun-o fa-fw d-none d-dark-inline" title="Switch to light mode"></i></a>
          </div>
@@ -81,103 +85,19 @@
       <section class="py-4 text-center container">
         <div class="row">
           <div class="mx-auto">
-            {% block header %}{% endblock %}
+            <h1 class="fw-light">{{ title }}</h1>
+            {% block header %}
+            {% endblock %}
           </div>
         </div>
       </section>
       <div class="album py-4 bg-light">
         <div class="container">
           <a id="rolling-stock"></a>
-          <div class="row row-cols-1 row-cols-sm-2 row-cols-md-3 g-3">
-            {% block cards %}
-            {% for r in rolling_stock %}
-            <div class="col">
-              <div class="card shadow-sm">
-                {% for i in r.image.all %}
-                {% if i.is_thumbnail %}<a href="{{r.get_absolute_url}}"><img src="{{ i.image.url }}" alt="Card image cap"></a>{% endif %}
-                {% endfor %}
-                <div class="card-body">
-                  <p class="card-text" style="position: relative;">
-                    <strong>{{ r }}</strong>
-                    <a class="stretched-link" href="{{ r.get_absolute_url }}"></a>
-                  </p>
-                  {% if r.tags.all %}
-                  <p class="card-text"><small>Tags:</small>
-                    {% for t in r.tags.all %}<a href="{% url 'filtered' _filter="tag" search=t.slug %}" class="badge rounded-pill bg-primary">
-                    {{ t.name }}</a>{# new line is required #}
-                    {% endfor %}
-                  </p>
-                  {% endif %}
-                  <table class="table table-striped">
-                    <thead>
-                      <tr>
-                        <th colspan="2" scope="row">Data</th>
-                      </tr>
-                    </thead>
-                    <tbody>
-                      <tr>
-                        <th width="35%" scope="row">Type</th>
-                        <td>{{ r.rolling_class.type }}</td>
-                      </tr>
-                      <tr>
-                        <th scope="row">Company</th>
-                        <td><abbr title="{{ r.rolling_class.company.extended_name }}">{{ r.rolling_class.company }}</abbr></td>
-                      </tr>
-                      <tr>
-                        <th scope="row">Class</th>
-                        <td>{{ r.rolling_class.identifier }}</td>
-                      </tr>
-                      <tr>
-                        <th scope="row">Road number</th>
-                        <td>{{ r.road_number }}</td>
-                      </tr>
-                      <tr>
-                        <th scope="row">Era</th>
-                        <td>{{ r.era }}</td>
-                      </tr>
-                      <tr>
-                        <th width="35%" scope="row">Manufacturer</th>
-                        <td>{% if r.manufacturer.website %}<a href="{{ r.manufacturer.website }}">{% endif %}{{ r.manufacturer }}{% if r.manufacturer.website %}</a>{% endif %}</th>
-                      </tr>
-                      <tr>
-                        <th scope="row">Scale</th>
-                        <td><a href="{% url 'filtered' _filter="scale" search=r.scale %}"><abbr title="{{ r.scale.ratio }} - {{ r.scale.tracks }}">{{ r.scale }}</abbr></a></td>
-                      </tr>
-                      <tr>
-                        <th scope="row">SKU</th>
-                        <td>{{ r.sku }}</td>
-                      </tr>
-                    </tbody>
-                  </table>
-                  {% if r.decoder %}
-                  <table class="table table-striped">
-                    <thead>
-                      <tr>
-                        <th colspan="2" scope="row">DCC data</th>
-                      </tr>
-                    </thead>
-                    <tbody>
-                      <tr>
-                        <th width="35%" scope="row">Decoder</th>
-                        <td>{{ r.decoder }}</td>
-                      </tr>
-                      <tr>
-                        <th scope="row">Address</th>
-                        <td>{{ r.address }}</td>
-                      </tr>
-                    </tbody>
-                  </table>
-                  {% endif %}
-                  <div class="d-grid gap-2 mb-1 d-md-block">
-                   <a class="btn btn-sm btn-outline-primary" href="{{r.get_absolute_url}}">Show all data</a>
-                    {% if request.user.is_staff %}<a class="btn btn-sm btn-outline-danger" href="{% url 'admin:roster_rollingstock_change' r.pk %}">Edit</a>{% endif %}
-                  </div>
-                </div>
-              </div>
-            </div>
-            {% endfor %}
-            {% endblock %}
-          </div>
+          {% block carousel %}
+          {% endblock %}
+          {% block cards_layout %}
+          {% endblock %}
         </div>
         <div class="container">{% block pagination %}{% endblock %}</div>
       </div>

ram/portal/templates/cards.html

@@ -0,0 +1,94 @@
+{% extends "base.html" %}
+
+      {% block cards_layout %}
+      <div class="row row-cols-1 row-cols-sm-2 row-cols-md-3 g-3">
+      {% block cards %}
+        {% for r in rolling_stock %}
+        <div class="col">
+          <div class="card shadow-sm">
+            {% for i in r.image.all %}
+            {% if forloop.first %}<a href="{{r.get_absolute_url}}"><img src="{{ i.image.url }}" alt="Card image cap"></a>{% endif %}
+            {% endfor %}
+            <div class="card-body">
+              <p class="card-text" style="position: relative;">
+                <strong>{{ r }}</strong>
+                <a class="stretched-link" href="{{ r.get_absolute_url }}"></a>
+              </p>
+              {% if r.tags.all %}
+              <p class="card-text"><small>Tags:</small>
+                {% for t in r.tags.all %}<a href="{% url 'filtered' _filter="tag" search=t.slug %}" class="badge rounded-pill bg-primary">
+                {{ t.name }}</a>{# new line is required #}
+                {% endfor %}
+              </p>
+              {% endif %}
+              <table class="table table-striped">
+                <thead>
+                  <tr>
+                    <th colspan="2" scope="row">Data</th>
+                  </tr>
+                </thead>
+                <tbody>
+                  <tr>
+                    <th width="35%" scope="row">Type</th>
+                    <td>{{ r.rolling_class.type }}</td>
+                  </tr>
+                  <tr>
+                    <th scope="row">Company</th>
+                    <td><abbr title="{{ r.rolling_class.company.extended_name }}">{{ r.rolling_class.company }}</abbr></td>
+                  </tr>
+                  <tr>
+                    <th scope="row">Class</th>
+                    <td>{{ r.rolling_class.identifier }}</td>
+                  </tr>
+                  <tr>
+                    <th scope="row">Road number</th>
+                    <td>{{ r.road_number }}</td>
+                  </tr>
+                  <tr>
+                    <th scope="row">Era</th>
+                    <td>{{ r.era }}</td>
+                  </tr>
+                  <tr>
+                    <th width="35%" scope="row">Manufacturer</th>
+                    <td>{% if r.manufacturer.website %}<a href="{{ r.manufacturer.website }}">{% endif %}{{ r.manufacturer }}{% if r.manufacturer.website %}</a>{% endif %}</th>
+                  </tr>
+                  <tr>
+                    <th scope="row">Scale</th>
+                    <td><a href="{% url 'filtered' _filter="scale" search=r.scale %}"><abbr title="{{ r.scale.ratio }} - {{ r.scale.tracks }}">{{ r.scale }}</abbr></a></td>
+                  </tr>
+                  <tr>
+                    <th scope="row">SKU</th>
+                    <td>{{ r.sku }}</td>
+                  </tr>
+                </tbody>
+              </table>
+              {% if r.decoder %}
+              <table class="table table-striped">
+                <thead>
+                  <tr>
+                    <th colspan="2" scope="row">DCC data</th>
+                  </tr>
+                </thead>
+                <tbody>
+                  <tr>
+                    <th width="35%" scope="row">Decoder</th>
+                    <td>{{ r.decoder }}</td>
+                  </tr>
+                  <tr>
+                    <th scope="row">Address</th>
+                    <td>{{ r.address }}</td>
+                  </tr>
+                </tbody>
+              </table>
+              {% endif %}
+              <div class="d-grid gap-2 mb-1 d-md-block">
+               <a class="btn btn-sm btn-outline-primary" href="{{r.get_absolute_url}}">Show all data</a>
+                {% if request.user.is_staff %}<a class="btn btn-sm btn-outline-danger" href="{% url 'admin:roster_rollingstock_change' r.pk %}">Edit</a>{% endif %}
+              </div>
+            </div>
+          </div>
+        </div>
+        {% endfor %}
+      {% endblock %}
+      </div>
+      {% endblock %}

ram/portal/templates/companies.html

@@ -1,8 +1,5 @@
-{% extends "base.html" %}
+{% extends "cards.html" %}
 
-      {% block header %}
-        <h1 class="fw-light">Companies</h1>
-      {% endblock %}
       {% block cards %}
       {% for c in company %}
       <div class="col">
@@ -59,7 +56,7 @@
         <ul class="pagination justify-content-center mt-4 mb-0">
           {% if company.has_previous %}
           <li class="page-item">
-            <a class="page-link" href="{% url 'company_pagination' page=company.previous_page_number %}#rolling-stock" tabindex="-1">Previous</a>
+            <a class="page-link" href="{% url 'companies_pagination' page=company.previous_page_number %}#rolling-stock" tabindex="-1">Previous</a>
           </li>
           {% else %}
           <li class="page-item disabled">
@@ -75,13 +72,13 @@
               {% if i == company.paginator.ELLIPSIS %}
               <li class="page-item"><span class="page-link">{{ i }}</span></li>
               {% else %}
-              <li class="page-item"><a class="page-link" href="{% url 'company_pagination' page=i %}#rolling-stock">{{ i }}</a></li>
+              <li class="page-item"><a class="page-link" href="{% url 'companies_pagination' page=i %}#rolling-stock">{{ i }}</a></li>
               {% endif %}
             {% endif %}
           {% endfor %}
           {% if company.has_next %}
           <li class="page-item">
-            <a class="page-link" href="{% url 'company_pagination' page=company.next_page_number %}#rolling-stock" tabindex="-1">Next</a>
+            <a class="page-link" href="{% url 'companies_pagination' page=company.next_page_number %}#rolling-stock" tabindex="-1">Next</a>
           </li>
           {% else %}
           <li class="page-item disabled">

ram/portal/templates/consist.html

@@ -1,7 +1,6 @@
-{% extends "base.html" %}
+{% extends "cards.html" %}
 
       {% block header %}
-      <h1 class="fw-light">{{ consist }}</h1>
       {% if consist.tags.all %}
       <p><small>Tags:</small>
         {% for t in consist.tags.all %}<a href="{% url 'filtered' _filter="tag" search=t.slug %}" class="badge rounded-pill bg-primary">
@@ -16,7 +15,7 @@
       <div class="col">
         <div class="card shadow-sm">
           {% for i in r.rolling_stock.image.all %}
-          {% if i.is_thumbnail %}<a href="{{r.rolling_stock.get_absolute_url}}"><img src="{{ i.image.url }}" alt="Card image cap"></a>{% endif %}
+          {% if forloop.first %}<a href="{{r.rolling_stock.get_absolute_url}}"><img src="{{ i.image.url }}" alt="Card image cap"></a>{% endif %}
           {% endfor %}
           <div class="card-body">
             <p class="card-text" style="position: relative;">
@@ -142,6 +141,51 @@
       <section class="py-4 text-start container">
         <div class="row">
           <div class="mx-auto">
+            <nav>
+              <div class="nav nav-tabs" id="nav-tab" role="tablist">
+                <button class="nav-link active" id="nav-summary-tab" data-bs-toggle="tab" data-bs-target="#nav-summary" type="button" role="tab" aria-controls="nav-summary" aria-selected="true">Summary</button>
+                {% if consist.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 %}
+               </div>
+            </nav>
+            <div class="tab-content" id="nav-tabContent">
+              <div class="tab-pane fade show active" id="nav-summary" role="tabpanel" aria-labelledby="nav-summary-tab">
+                <table class="table table-striped">
+                  <thead>
+                    <tr>
+                      <th colspan="2" scope="row">Data</th>
+                    </tr>
+                  </thead>
+                  <tbody>
+                    <tr>
+                      <th width="35%" scope="row">Company</th>
+                      <td><abbr title="{{ consist.company.extended_name }}">{{ consist.company }}</abbr></td>
+                    </tr>
+                    <tr>
+                      <th scope="row">Era</th>
+                      <td>{{ consist.era }}</td>
+                    </tr>
+                    <tr>
+                      <th scope="row">Length</th>
+                      <td>{{ rolling_stock | length }}</td>
+                    </tr>
+                  </tbody>
+                </table>
+              </div>
+              <div class="tab-pane fade" id="nav-notes" role="tabpanel" aria-labelledby="nav-notes-tab">
+                <table class="table">
+                  <thead>
+                    <tr>
+                      <th scope="row">Notes</th>
+                    </tr>
+                  </thead>
+                  <tbody>
+                    <tr>
+                      <td>{{ consist.notes | safe }}</td>
+                    </tr>
+                  </tbody>
+                </table>
+              </div>
+            </div>
             <div class="d-grid gap-2 d-md-flex justify-content-md-end">
               {% if request.user.is_staff %}<a class="btn btn-sm btn-outline-danger" href="{% url 'admin:consist_consist_change' consist.pk %}">Edit</a>{% endif %}
             </div>

ram/portal/templates/consists.html

@@ -1,8 +1,5 @@
-{% extends "base.html" %}
+{% extends "cards.html" %}
 
-      {% block header %}
-        <h1 class="fw-light">Consists</h1>
-      {% endblock %}
       {% block cards %}
       {% for c in consist %}
       <div class="col">
@@ -13,7 +10,7 @@
           {% else %}
             {% with c.consist_item.first.rolling_stock as r %}
             {% for i in r.image.all %}
-              {% if i.is_thumbnail %}<img src="{{ i.image.url }}" alt="Card image cap">{% endif %}
+              {% if forloop.first %}<img src="{{ i.image.url }}" alt="Card image cap">{% endif %}
             {% endfor %}
             {% endwith %}
           {% endif %}

ram/portal/templates/flatpage.html

@@ -1,7 +1,6 @@
 {% extends 'base.html' %}
 
         {% block header %}
-        <h1 class="fw-light">{{ flatpage.name }}</h1>
         <small class="text-muted">Updated {{ flatpage.updated_time | date:"M d, Y H:i" }}</small>
         {% endblock %}
         {% block extra_content %}

ram/portal/templates/home.html

@@ -1,10 +1,8 @@
-{% extends "base.html" %}
+{% extends "cards.html" %}
 
       {% block header %}
-        {% if site_conf.about %}<h1 class="fw-light">About</h1>{% endif %}
         <p class="lead text-muted">{{ site_conf.about | safe }}</p>
       {% endblock %}
-
       {% block pagination %}
       {% if rolling_stock.has_other_pages %}
       <nav aria-label="Page navigation example">

ram/portal/templates/includes/login.html

@@ -1,21 +1,19 @@
       {% if request.user.is_staff %}
-      <div class="dropdown">
-        <button class="btn btn-sm btn-outline-dark dropdown-toggle" type="button" id="dropdownMenu2" data-bs-toggle="dropdown" aria-expanded="false">
-          Welcome back, <strong>{{ request.user }}</strong>
-        </button>
-        <ul class="dropdown-menu dropdown-menu-end" aria-labelledby="dropdownMenu2">
-          <li><a class="dropdown-item" href="{% url 'admin:roster_rollingstock_changelist' %}">Rolling stock</a></li>
-          <li><a class="dropdown-item" href="{% url 'admin:consist_consist_changelist' %}">Consists</a></li>
-          <li><a class="dropdown-item" href="{% url 'admin:app_list' 'metadata' %}">Metadata</a></li>
-          <li><a class="dropdown-item" href="{% url 'admin:portal_flatpage_changelist' %}">Pages</a></li>
-          <li><hr class="dropdown-divider"></li>
-          <li><a class="dropdown-item" href="{% url 'admin:index' %}">Admin</a></li>
-          <li><a class="dropdown-item" href="{% url 'admin:portal_siteconfiguration_changelist' %}">Site configuration</a></li>
-          <li><a class="dropdown-item" href="{% url 'admin:driver_driverconfiguration_changelist' %}">DCC configuration</a></li>
-          <li><hr class="dropdown-divider"></li>
-          <li><a class="dropdown-item text-danger" href="{% url 'admin:logout' %}?next={{ request.path }}">Logout</a></li>
-        </ul>
-      </div>
+      <button class="btn btn-sm btn-outline-dark dropdown-toggle" type="button" id="dropdownMenu2" data-bs-toggle="dropdown" aria-expanded="false">
+        Welcome back, <strong>{{ request.user }}</strong>
+      </button>
+      <ul class="dropdown-menu" aria-labelledby="dropdownMenu2">
+        <li><a class="dropdown-item" href="{% url 'admin:roster_rollingstock_changelist' %}">Rolling stock</a></li>
+        <li><a class="dropdown-item" href="{% url 'admin:consist_consist_changelist' %}">Consists</a></li>
+        <li><a class="dropdown-item" href="{% url 'admin:app_list' 'metadata' %}">Metadata</a></li>
+        <li><a class="dropdown-item" href="{% url 'admin:portal_flatpage_changelist' %}">Pages</a></li>
+        <li><hr class="dropdown-divider"></li>
+        <li><a class="dropdown-item" href="{% url 'admin:index' %}">Admin</a></li>
+        <li><a class="dropdown-item" href="{% url 'admin:portal_siteconfiguration_changelist' %}">Site configuration</a></li>
+        <li><a class="dropdown-item" href="{% url 'admin:driver_driverconfiguration_changelist' %}">DCC configuration</a></li>
+        <li><hr class="dropdown-divider"></li>
+        <li><a class="dropdown-item text-danger" href="{% url 'admin:logout' %}?next={{ request.path }}">Logout</a></li>
+      </ul>
       {% else %}
       <a class="btn btn-sm btn-outline-dark" href="{% url 'admin:login' %}?next={{ request.path }}">Log in</a>
       {% endif %}

ram/portal/templates/page.html

@@ -1,7 +1,6 @@
 {% extends 'base.html' %}
 
         {% block header %}
-        <h1 class="fw-light">{{ rolling_stock }}</h1>
         {% if rolling_stock.tags.all %}
         <p><small>Tags:</small>
           {% for t in rolling_stock.tags.all %}<a href="{% url 'filtered' _filter="tag" search=t.slug %}" class="badge rounded-pill bg-primary">
@@ -11,29 +10,32 @@
         {% endif %}
         <small class="text-muted">Updated {{ rolling_stock.updated_time | date:"M d, Y H:i" }}</small>
         {% endblock %}
-        {% block cards %}
-        {% for t in rolling_stock.image.all %}
-        <div class="col">
-            <a href="" data-bs-toggle="modal" data-bs-target="#pictureModal{{ forloop.counter }}"><img class="img-thumbnail" src="{{ t.image.url }}" alt="Rolling stock image"></a>
-        </div>
-        <!-- Modal -->
-        <div class="modal fade" id="pictureModal{{ forloop.counter }}" tabindex="-1" aria-labelledby="pictureModalLabel{{ forloop.counter }}" aria-hidden="true">
-          <div class="modal-dialog modal-lg">
-            <div class="modal-content">
-              <div class="modal-header">
-                <h5 class="modal-title" id="pictureModalLabel{{ forloop.counter }}">{{ rolling_stock }}</h5>
-                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
-              </div>
-              <div class="modal-body text-center">
-                  <img class="rounded img-fluid" src="{{ t.image.url }}" alt="Rolling stock image">
-              </div>
-              <div class="modal-footer">
-                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
-              </div>
+        {% block carousel %}
+        <div id="carouselControls" class="carousel carousel-dark slide" data-bs-ride="carousel">
+          <div class="carousel-inner">
+            {% for t in rolling_stock.image.all %}
+            {% if forloop.first %}
+            <div class="carousel-item active">
+        	{% else %}
+            <div class="carousel-item">
+            {% endif %}
+              <img src="{{ t.image.url }}" class="d-block w-100 rounded img-thumbnail" alt="...">
             </div>
+            {% endfor %}
           </div>
+          {% if rolling_stock.image.count > 1 %}
+          <button class="carousel-control-prev" type="button" data-bs-target="#carouselControls" data-bs-slide="prev">
+            <span class="carousel-control-prev-icon" aria-hidden="true"></span>
+            <span class="visually-hidden">Previous</span>
+          </button>
+          <button class="carousel-control-next" type="button" data-bs-target="#carouselControls" data-bs-slide="next">
+            <span class="carousel-control-next-icon" aria-hidden="true"></span>
+            <span class="visually-hidden">Next</span>
+          </button>
+          {% endif %}
         </div>
-        {% endfor %}
+        {% endblock %}
+        {% block cards %}
         {% endblock %}
         {% block extra_content %}
         <section class="py-4 text-start container">
@@ -102,7 +104,7 @@
                       </tr>
                     </tbody>
                   </table>
-                  {% if rolling_stock.decoder %}
+                  {% if rolling_stock.decoder or rolling_stock.decoder_interface %}
                   <table class="table table-striped">
                     <thead>
                       <tr>
@@ -111,13 +113,19 @@
                     </thead>
                     <tbody>
                       <tr>
-                        <th width="35%" scope="row">Decoder</th>
+                        <th width="35%" scope="row">Interface</th>
+                        <td>{{ rolling_stock.get_decoder_interface_display }}</td>
+                      </tr>
+                      {% if rolling_stock.decoder %}
+                      <tr>
+                        <th scope="row">Decoder</th>
                         <td>{{ rolling_stock.decoder }}</td>
                       </tr>
                       <tr>
                         <th scope="row">Address</th>
                         <td>{{ rolling_stock.address }}</td>
                       </tr>
+                      {% endif %}
                     </tbody>
                   </table>
                   {% endif %}
@@ -230,6 +238,10 @@
                       </tr>
                     </thead>
                     <tbody>
+                      <tr>
+                        <th scope="row">Interface</th>
+                        <td>{{ rolling_stock.get_decoder_interface_display }}</td>
+                      </tr>
                       <tr>
                         <th width="35%" scope="row">Address</th>
                         <td>{{ rolling_stock.address }}</td>
@@ -246,10 +258,6 @@
                         <th scope="row">Version</th>
                         <td>{{ rolling_stock.decoder.version }}</td>
                       </tr>
-                      <tr>
-                        <th scope="row">Interface</th>
-                        <td>{{ rolling_stock.decoder.get_interface_display }}</td>
-                      </tr>
                       <tr>
                         <th scope="row">Sound</th>
                         <td>{{ rolling_stock.decoder.sound | yesno:"Yes,No" }}</td>
@@ -258,7 +266,18 @@
                   </table>
                 </div>
                 <div class="tab-pane fade" id="nav-notes" role="tabpanel" aria-labelledby="nav-notes-tab">
-                  {{ rolling_stock.notes | safe }}
+                  <table class="table">
+                    <thead>
+                      <tr>
+                        <th scope="row">Notes</th>
+                      </tr>
+                    </thead>
+                    <tbody>
+                      <tr>
+                        <td>{{ rolling_stock.notes | safe }}</td>
+                      </tr>
+                    </tbody>
+                  </table>
                 </div>
                 <div class="tab-pane fade" id="nav-documents" role="tabpanel" aria-labelledby="nav-documents-tab">
                   <table class="table table-striped">

ram/portal/templates/scales.html

@@ -1,8 +1,5 @@
-{% extends "base.html" %}
+{% extends "cards.html" %}
 
-      {% block header %}
-        <h1 class="fw-light">Scales</h1>
-      {% endblock %}
       {% block cards %}
       {% for s in scale %}
       <div class="col">

ram/portal/templates/search.html

@@ -1,7 +1,6 @@
-{% extends "base.html" %}
+{% extends "cards.html" %}
 
       {% block header %}
-        <h1 class="fw-light">{{ filter | default_if_none:"Search" | title }}: {{ search }}</h1>
         <p class="lead text-muted">Results found: {{ matches }}</p>
       {% endblock %}
       {% block pagination %}

ram/portal/views.py

@@ -46,7 +46,11 @@ class GetHome(View):
         return render(
             request,
             "home.html",
-            {"rolling_stock": rolling_stock, "page_range": page_range},
+            {
+                "title": "Home",
+                "rolling_stock": rolling_stock,
+                "page_range": page_range,
+            },
         )
 
 
@@ -83,8 +87,10 @@ class GetHomeFiltered(View):
             query = Q(tags__slug__iexact=search)
         else:
             raise Http404
-        rolling_stock = RollingStock.objects.filter(query).order_by(
-            *order_by_fields()
+        rolling_stock = (
+            RollingStock.objects.filter(query)
+            .distinct()
+            .order_by(*order_by_fields())
         )
         matches = len(rolling_stock)
 
@@ -105,6 +111,7 @@ class GetHomeFiltered(View):
             request,
             "search.html",
             {
+                "title": "{0}: {1}".format(_filter.capitalize(), search),
                 "search": search,
                 "filter": _filter,
                 "matches": matches,
@@ -125,6 +132,7 @@ class GetHomeFiltered(View):
             request,
             "search.html",
             {
+                "title": "{0}: {1}".format(_filter.capitalize(), search),
                 "search": search,
                 "filter": _filter,
                 "matches": matches,
@@ -164,6 +172,7 @@ class GetRollingStock(View):
             request,
             "page.html",
             {
+                "title": rolling_stock,
                 "rolling_stock": rolling_stock,
                 "class_properties": class_properties,
                 "rolling_stock_properties": rolling_stock_properties,
@@ -186,7 +195,11 @@ class Consists(View):
         return render(
             request,
             "consists.html",
-            {"consist": consist, "page_range": page_range},
+            {
+                "title": "Consists",
+                "consist": consist,
+                "page_range": page_range,
+            },
         )
 
 
@@ -209,6 +222,7 @@ class GetConsist(View):
             request,
             "consist.html",
             {
+                "title": consist,
                 "consist": consist,
                 "rolling_stock": rolling_stock,
                 "page_range": page_range,
@@ -230,7 +244,11 @@ class Companies(View):
         return render(
             request,
             "companies.html",
-            {"company": company, "page_range": page_range},
+            {
+                "title": "Companies",
+                "company": company,
+                "page_range": page_range,
+            },
         )
 
 
@@ -248,7 +266,7 @@ class Scales(View):
         return render(
             request,
             "scales.html",
-            {"scale": scale, "page_range": page_range},
+            {"title": "Scales", "scale": scale, "page_range": page_range},
         )
 
 
@@ -264,5 +282,5 @@ class GetFlatpage(View):
         return render(
             request,
             "flatpage.html",
-            {"flatpage": flatpage},
+            {"title": flatpage.name, "flatpage": flatpage},
         )

ram/ram/__init__.py

@@ -1,4 +1,4 @@
 from ram.utils import git_suffix
 
-__version__ = "0.0.18"
+__version__ = "0.0.25"
 __version__ += git_suffix(__file__)

ram/ram/utils.py

@@ -1,8 +1,29 @@
 import os
+import hashlib
 import subprocess
 
 from django.utils.html import format_html
 from django.utils.text import slugify as django_slugify
+from django.core.files.storage import FileSystemStorage
+
+
+class DeduplicatedStorage(FileSystemStorage):
+    """
+    A derived FileSystemStorage class that compares already existing files
+    (with the same name) with new uploaded ones and stores new file only if
+    sha256 hash on is content is different
+    """
+
+    def save(self, name, content, max_length=None):
+        if super().exists(name):
+            new = hashlib.sha256(content.file.getbuffer()).hexdigest()
+            with open(super().path(name), "rb") as file:
+                file_binary = file.read()
+                old = hashlib.sha256(file_binary).hexdigest()
+            if old == new:
+                return name
+
+        return super().save(name, content, max_length)
 
 
 def git_suffix(fname):

ram/roster/admin.py

@@ -1,4 +1,6 @@
 from django.contrib import admin
+from adminsortable2.admin import SortableAdminBase, SortableInlineAdminMixin
+
 from roster.models import (
     RollingClass,
     RollingClassProperty,
@@ -35,7 +37,7 @@ class RollingStockDocInline(admin.TabularInline):
     classes = ["collapse"]
 
 
-class RollingStockImageInline(admin.TabularInline):
+class RollingStockImageInline(SortableInlineAdminMixin, admin.TabularInline):
     model = RollingStockImage
     min_num = 0
     extra = 0
@@ -93,7 +95,7 @@ class RollingJournalDocumentAdmin(admin.ModelAdmin):
 
 
 @admin.register(RollingStock)
-class RollingStockAdmin(admin.ModelAdmin):
+class RollingStockAdmin(SortableAdminBase, admin.ModelAdmin):
     inlines = (
         RollingStockPropertyInline,
         RollingStockImageInline,
@@ -125,6 +127,7 @@ class RollingStockAdmin(admin.ModelAdmin):
         "address",
         "sku",
     )
+    save_as = True
 
     fieldsets = (
         (
@@ -148,6 +151,7 @@ class RollingStockAdmin(admin.ModelAdmin):
             "DCC",
             {
                 "fields": (
+                    "decoder_interface",
                     "decoder",
                     "address",
                 )

ram/roster/migrations/0013_rollingstock_decoder_interface.py

@@ -0,0 +1,42 @@
+# Generated by Django 4.1 on 2022-10-31 22:27
+
+from django.db import migrations, models
+
+
+def meta_to_roster(apps, schema_editor):
+    model = apps.get_model("roster", "RollingStock")
+
+    for row in model.objects.all():
+        if row.decoder:
+            decoder_interface = row.decoder.interface
+            row.__dict__["decoder_interface"] = decoder_interface
+            row.save(update_fields=["decoder_interface"])
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("roster", "0012_rollingstockjournal"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="rollingstock",
+            name="decoder_interface",
+            field=models.PositiveSmallIntegerField(
+                blank=True,
+                choices=[
+                    (1, "NEM651"),
+                    (2, "NEM652"),
+                    (3, "PluX"),
+                    (4, "21MTC"),
+                    (5, "Next18/Next18S"),
+                ],
+                null=True,
+            ),
+        ),
+        migrations.RunPython(
+            meta_to_roster,
+            reverse_code=migrations.RunPython.noop
+        ),
+    ]

ram/roster/migrations/0014_alter_rollingstockdocument_file_and_more.py

@@ -0,0 +1,34 @@
+# Generated by Django 4.1.2 on 2022-11-27 00:10
+
+from django.db import migrations, models
+import ram.utils
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("roster", "0013_rollingstock_decoder_interface"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="rollingstockdocument",
+            name="file",
+            field=models.FileField(
+                blank=True,
+                null=True,
+                storage=ram.utils.DeduplicatedStorage(),
+                upload_to="files/",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="rollingstockimage",
+            name="image",
+            field=models.ImageField(
+                blank=True,
+                null=True,
+                storage=ram.utils.DeduplicatedStorage,
+                upload_to="images/",
+            ),
+        ),
+    ]

ram/roster/migrations/0015_alter_rollingstockimage_options.py

@@ -0,0 +1,17 @@
+# Generated by Django 4.1.3 on 2022-12-28 21:07
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("roster", "0014_alter_rollingstockdocument_file_and_more"),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name="rollingstockimage",
+            options={"ordering": ["-is_thumbnail"]},
+        ),
+    ]

ram/roster/migrations/0016_alter_rollingstockimage_options_and_more.py

@@ -0,0 +1,22 @@
+# Generated by Django 4.1.3 on 2023-01-02 12:34
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("roster", "0015_alter_rollingstockimage_options"),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name="rollingstockimage",
+            options={"ordering": ["order"]},
+        ),
+        migrations.AddField(
+            model_name="rollingstockimage",
+            name="order",
+            field=models.PositiveIntegerField(default=0),
+        ),
+    ]

ram/roster/migrations/0017_remove_rollingstockimage_is_thumbnail.py

@@ -0,0 +1,17 @@
+# Generated by Django 4.1.3 on 2023-01-02 15:02
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("roster", "0016_alter_rollingstockimage_options_and_more"),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name="rollingstockimage",
+            name="is_thumbnail",
+        ),
+    ]

ram/roster/models.py

@@ -3,12 +3,13 @@ import re
 from uuid import uuid4
 from django.db import models
 from django.urls import reverse
+from django.conf import settings
 from django.dispatch import receiver
 from django.utils.safestring import mark_safe
 
 from ckeditor_uploader.fields import RichTextUploadingField
 
-from ram.utils import get_image_preview
+from ram.utils import DeduplicatedStorage, get_image_preview
 from metadata.models import (
     Property,
     Scale,
@@ -19,11 +20,6 @@ from metadata.models import (
     RollingStockType,
 )
 
-# class OverwriteMixin(FileSystemStorage):
-#     def get_available_name(self, name, max_length):
-#         self.delete(name)
-#         return name
-
 
 class RollingClass(models.Model):
     identifier = models.CharField(max_length=128, unique=False)
@@ -87,6 +83,9 @@ class RollingStock(models.Model):
     )
     scale = models.ForeignKey(Scale, on_delete=models.CASCADE)
     sku = models.CharField(max_length=32, blank=True)
+    decoder_interface = models.PositiveSmallIntegerField(
+        choices=settings.DECODER_INTERFACES, null=True, blank=True
+    )
     decoder = models.ForeignKey(
         Decoder, on_delete=models.CASCADE, null=True, blank=True
     )
@@ -133,7 +132,12 @@ class RollingStockDocument(models.Model):
         RollingStock, on_delete=models.CASCADE, related_name="document"
     )
     description = models.CharField(max_length=128, blank=True)
-    file = models.FileField(upload_to="files/", null=True, blank=True)
+    file = models.FileField(
+        upload_to="files/",
+        storage=DeduplicatedStorage(),
+        null=True,
+        blank=True,
+    )
 
     class Meta(object):
         unique_together = ("rolling_stock", "file")
@@ -151,11 +155,13 @@ class RollingStockDocument(models.Model):
 
 
 class RollingStockImage(models.Model):
+    order = models.PositiveIntegerField(default=0, blank=False, null=False)
     rolling_stock = models.ForeignKey(
         RollingStock, on_delete=models.CASCADE, related_name="image"
     )
-    image = models.ImageField(upload_to="images/", null=True, blank=True)
-    is_thumbnail = models.BooleanField()
+    image = models.ImageField(
+        upload_to="images/", storage=DeduplicatedStorage, null=True, blank=True
+    )
 
     def image_thumbnail(self):
         return get_image_preview(self.image.url)
@@ -165,12 +171,8 @@ class RollingStockImage(models.Model):
     def __str__(self):
         return "{0}".format(os.path.basename(self.image.name))
 
-    def save(self, **kwargs):
-        if self.is_thumbnail:
-            RollingStockImage.objects.filter(
-                rolling_stock=self.rolling_stock
-            ).update(is_thumbnail=False)
-        super().save(**kwargs)
+    class Meta:
+        ordering = ["order"]
 
 
 class RollingStockProperty(models.Model):