First models and views

.gitignore

@@ -1,2 +1,34 @@
 db.sqlite3
-
+*.log
+*.pot
+__pycache__
+media
+*.bak
+.idea
+*.py[cod]
+*$py.class
+*.egg
+*.manifest
+pip-log.txt
+pip-delete-this-directory.txt
+.coverage
+.cache
+.tox
+htmlcov
+.hypothesis
+.python-version
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+/site
+.mypy_cache/
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+.history

container/admin.py

@@ -1,3 +1,8 @@
 from django.contrib import admin
 
-# Register your models here.
+from .models import Container
+from .models import ContainerType
+
+admin.site.register(ContainerType)
+admin.site.register(Container)
+

container/migrations/0001_initial.py

@@ -0,0 +1,52 @@
+# Generated by Django 3.2.12 on 2022-03-09 14:12
+
+import container.models
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='ContainerType',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('named_id', models.CharField(max_length=40, unique=True)),
+                ('description', models.CharField(max_length=200)),
+                ('width', models.IntegerField(verbose_name='width in mm')),
+                ('height', models.IntegerField(verbose_name='height in mm')),
+                ('length', models.IntegerField(verbose_name='length in mm')),
+                ('inner_width', models.IntegerField(verbose_name='inner width in mm')),
+                ('inner_height', models.IntegerField(verbose_name='inner height in mm')),
+                ('inner_length', models.IntegerField(verbose_name='inner length in mm')),
+                ('has_cover', models.BooleanField(verbose_name='container has a cover')),
+                ('contains_container', models.BooleanField(verbose_name='container can bear container')),
+                ('created_date', models.DateTimeField(verbose_name='datetime created')),
+                ('changed_date', models.DateTimeField(verbose_name='datetime updated')),
+                ('changed_by', models.ForeignKey(on_delete=models.SET(container.models.get_sentinel_user), related_name='changed_container_types', to=settings.AUTH_USER_MODEL)),
+                ('created_by', models.ForeignKey(on_delete=models.SET(container.models.get_sentinel_user), related_name='created_container_types', to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Container',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('named_id', models.CharField(max_length=40)),
+                ('color', models.CharField(max_length=60)),
+                ('description', models.CharField(max_length=200)),
+                ('created_date', models.DateTimeField(verbose_name='datetime created')),
+                ('changed_date', models.DateTimeField(verbose_name='datetime updated')),
+                ('changed_by', models.ForeignKey(on_delete=models.SET(container.models.get_sentinel_user), related_name='changed_container', to=settings.AUTH_USER_MODEL)),
+                ('container_type', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='container.containertype')),
+                ('created_by', models.ForeignKey(on_delete=models.SET(container.models.get_sentinel_user), related_name='created_container', to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+    ]

container/migrations/0002_auto_20220309_1419.py

@@ -0,0 +1,58 @@
+# Generated by Django 3.2.12 on 2022-03-09 14:19
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('container', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='container',
+            name='changed_date',
+            field=models.DateTimeField(auto_now=True, verbose_name='datetime updated'),
+        ),
+        migrations.AlterField(
+            model_name='container',
+            name='color',
+            field=models.CharField(blank=True, max_length=60),
+        ),
+        migrations.AlterField(
+            model_name='container',
+            name='created_date',
+            field=models.DateTimeField(auto_now_add=True, verbose_name='datetime created'),
+        ),
+        migrations.AlterField(
+            model_name='container',
+            name='description',
+            field=models.CharField(blank=True, max_length=200),
+        ),
+        migrations.AlterField(
+            model_name='containertype',
+            name='changed_date',
+            field=models.DateTimeField(auto_now=True, verbose_name='datetime updated'),
+        ),
+        migrations.AlterField(
+            model_name='containertype',
+            name='created_date',
+            field=models.DateTimeField(auto_now_add=True, verbose_name='datetime created'),
+        ),
+        migrations.AlterField(
+            model_name='containertype',
+            name='inner_height',
+            field=models.IntegerField(null=True, verbose_name='inner height in mm'),
+        ),
+        migrations.AlterField(
+            model_name='containertype',
+            name='inner_length',
+            field=models.IntegerField(null=True, verbose_name='inner length in mm'),
+        ),
+        migrations.AlterField(
+            model_name='containertype',
+            name='inner_width',
+            field=models.IntegerField(null=True, verbose_name='inner width in mm'),
+        ),
+    ]

container/migrations/0003_auto_20220309_1422.py

@@ -0,0 +1,28 @@
+# Generated by Django 3.2.12 on 2022-03-09 14:22
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('container', '0002_auto_20220309_1419'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='containertype',
+            name='inner_height',
+            field=models.IntegerField(blank=True, null=True, verbose_name='inner height in mm'),
+        ),
+        migrations.AlterField(
+            model_name='containertype',
+            name='inner_length',
+            field=models.IntegerField(blank=True, null=True, verbose_name='inner length in mm'),
+        ),
+        migrations.AlterField(
+            model_name='containertype',
+            name='inner_width',
+            field=models.IntegerField(blank=True, null=True, verbose_name='inner width in mm'),
+        ),
+    ]

container/migrations/0004_auto_20220309_1445.py

@@ -0,0 +1,33 @@
+# Generated by Django 3.2.12 on 2022-03-09 14:45
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('container', '0003_auto_20220309_1422'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='container',
+            old_name='changed_date',
+            new_name='changed_ts',
+        ),
+        migrations.RenameField(
+            model_name='container',
+            old_name='created_date',
+            new_name='created_ts',
+        ),
+        migrations.RenameField(
+            model_name='containertype',
+            old_name='changed_date',
+            new_name='changed_ts',
+        ),
+        migrations.RenameField(
+            model_name='containertype',
+            old_name='created_date',
+            new_name='created_ts',
+        ),
+    ]

container/models.py

@@ -1,3 +1,33 @@
 from django.db import models
+from django.conf import settings
+from django.contrib.auth import get_user_model
+
+def get_sentinel_user():
+    return get_user_model().objects.get_or_create(username='deleted')[0]
+
+class ContainerType(models.Model):
+    named_id = models.CharField(max_length=40, unique=True)
+    description = models.CharField(max_length=200)
+    width = models.IntegerField('width in mm')
+    height = models.IntegerField('height in mm')
+    length = models.IntegerField('length in mm')
+    inner_width = models.IntegerField('inner width in mm', blank=True, null=True)
+    inner_height = models.IntegerField('inner height in mm', blank=True, null=True)
+    inner_length = models.IntegerField('inner length in mm', blank=True, null=True)
+    has_cover = models.BooleanField('container has a cover')
+    contains_container = models.BooleanField('container can bear container')
+    created_ts = models.DateTimeField('datetime created', auto_now_add=True)
+    created_by = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.SET(get_sentinel_user), related_name='created_container_types')
+    changed_ts = models.DateTimeField('datetime updated', auto_now=True)
+    changed_by = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.SET(get_sentinel_user), related_name='changed_container_types')
+
+class Container(models.Model):
+    named_id = models.CharField(max_length=40)
+    container_type = models.ForeignKey(ContainerType, on_delete=models.CASCADE)
+    color = models.CharField(max_length=60, blank=True)
+    description = models.CharField(max_length=200, blank=True)
+    created_ts = models.DateTimeField('datetime created', auto_now_add=True)
+    created_by = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.SET(get_sentinel_user), related_name='created_container')
+    changed_ts = models.DateTimeField('datetime updated', auto_now=True)
+    changed_by = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.SET(get_sentinel_user), related_name='changed_container')
 
-# Create your models here.

container/templates/container/container_details.html

@@ -0,0 +1,4 @@
+<h1>Container: {{ container.named_id }}</h1>
+<div>{{ container.description }}</div>
+<div>Color: {{ container.color }}</div>
+<div>Container Type: <a href='/container/type/{{ container.container_type.id }}'>{{ container.container_type.named_id }}</a></div>

container/templates/container/container_type_details.html

@@ -0,0 +1,8 @@
+<h1>Container: {{ container_type.named_id }}</h1>
+<div>{{ container_type.description }}</div>
+<table>
+<tr><td>Width:</td><td>{{ container_type.width }} mm</td><td>Inner Width:</td><td>{{ container_type.inner_width }} mm</td></tr>
+<tr><td>Length:</td><td>{{ container_type.length }} mm</td><td>Inner Length:</td><td>{{ container_type.inner_length }} mm</td></tr>
+<tr><td>Height:</td><td>{{ container_type.height }} mm</td><td>Inner Height:</td><td>{{ container_type.inner_height }} mm</td></tr>
+<tr><td>Has Cover:</td><td>{% if container_type.has_cover %} yes {% else %} no {% endif %}</td><td>Can hold Containers:</td><td>{% if container_type.contains_container %} yes {% else %} no {% endif %}</td></tr>
+</table>

container/templates/container/index.html

@@ -0,0 +1,24 @@
+<div>
+<div>New Container:</div>
+{% if container_list %}
+    <ul>
+    {% for container in container_list %}
+        <li><a href="/container/{{ container.id }}/">{{ container.named_id }} {{ container.description }}</a></li>
+    {% endfor %}
+    </ul>
+{% else %}
+    <p>No container are available.</p>
+{% endif %}
+</div>
+<div>
+<div>New Container Types:</div>
+{% if container_type_list %}
+    <ul>
+    {% for ctype in container_type_list %}
+        <li><a href="/container/type/{{ ctype.id }}/">{{ ctype.named_id }} {{ ctype.description }}</a></li>
+    {% endfor %}
+    </ul>
+{% else %}
+    <p>No container types are available.</p>
+{% endif %}
+</div>

container/urls.py

@@ -4,5 +4,8 @@ from . import views
 
 urlpatterns = [
     path('', views.index, name='index'),
+    path('<int:container_id>/', views.container_details, name='container_details'),
+    path('type/<int:container_type_id>/', views.container_type_details, name='container_type_details'),
+    # path('type/<string:container_type_named_id>/', views.container_type_details, name='container_type_details'),
 ]
 

container/views.py

@@ -1,7 +1,28 @@
 from django.shortcuts import render
 from django.http import HttpResponse
+from django.template import loader
+from django.http import Http404
 
+from .models import Container, ContainerType
 
 def index(request):
-    return HttpResponse("Hello, world. You're at the container index.")
+    container_list = Container.objects.order_by('-created_ts')[:5]
+    container_type_list = ContainerType.objects.order_by('-created_ts')[:5]
+    ctx = {'container_list': container_list, 'container_type_list': container_type_list}
+    return render(request, 'container/index.html', ctx)
+
+def container_type_details(request, container_type_id):
+    try:
+        ctype = ContainerType.objects.get(pk=container_type_id)
+    except ContainerType.DoesNotExist:
+        raise Http404("Container Type does not exist")
+    return render(request, 'container/container_type_details.html', {'container_type': ctype})
+
+def container_details(request, container_id):
+    try:
+        container = Container.objects.get(pk=container_id)
+    except Container.DoesNotExist:
+        raise Http404("Container does not exist")
+    return render(request, 'container/container_details.html', {'container': container})
+
 

homelog/settings.py

@@ -31,6 +31,7 @@ ALLOWED_HOSTS = []
 # Application definition
 
 INSTALLED_APPS = [
+    'container.apps.ContainerConfig',
     'django.contrib.admin',
     'django.contrib.auth',
     'django.contrib.contenttypes',