Finish Introduction and Django Admin

blango/settings.py

@@ -25,9 +25,11 @@
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = True
 
-ALLOWED_HOSTS = []
-
+ALLOWED_HOSTS = ['*']
 
+# Bootstrap
+CRISPY_ALLOWED_TEMPLATE_PACKS = "bootstrap5"
+CRISPY_TEMPLATE_PACK = "bootstrap5"
 # Application definition
 
 INSTALLED_APPS = [
@@ -37,6 +39,9 @@
     'django.contrib.sessions',
     'django.contrib.messages',
     'django.contrib.staticfiles',
+    'blog',
+    "crispy_forms",
+    "crispy_bootstrap5",
 ]
 
 MIDDLEWARE = [
@@ -54,7 +59,7 @@
 TEMPLATES = [
     {
         'BACKEND': 'django.template.backends.django.DjangoTemplates',
-        'DIRS': [],
+        'DIRS': [BASE_DIR / 'blango/templates'],
         'APP_DIRS': True,
         'OPTIONS': {
             'context_processors': [
@@ -67,6 +72,7 @@
     },
 ]
 
+
 WSGI_APPLICATION = 'blango.wsgi.application'
 
 

blango/urls.py

@@ -13,9 +13,14 @@
     1. Import the include() function: from django.urls import include, path
     2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
 """
+from blog import views
 from django.contrib import admin
-from django.urls import path
+from django.urls import path, include
+import blog.views
 
 urlpatterns = [
+    # path('blog/', include('blog.index.html')),
     path('admin/', admin.site.urls),
+    path('', views.index),
+    path("post/<slug>/", blog.views.post_detail, name="blog-post-detail"),
 ]

blog/admin.py

@@ -0,0 +1,13 @@
+from django.contrib import admin
+
+from blog.models import Tag, Post, Comment
+
+# Register your models here.
+
+class PostAdmin(admin.ModelAdmin):
+    prepopulated_fields = {"slug": ("title",)}
+
+
+admin.site.register(Post, PostAdmin)
+admin.site.register(Tag)
+admin.site.register(Comment)

blog/apps.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class BlogConfig(AppConfig):
+    default_auto_field = "django.db.models.BigAutoField"
+    name = "blog"

blog/forms.py

@@ -0,0 +1,15 @@
+from django import forms
+from crispy_forms.helper import FormHelper
+from crispy_forms.layout import Submit
+
+from blog.models import Comment
+
+class CommentForm(forms.ModelForm):
+    class Meta:
+        model = Comment
+        fields = ["content"]
+
+    def __init__(self, *args, **kwargs):
+        super(CommentForm, self).__init__(*args, **kwargs)
+        self.helper = FormHelper()
+        self.helper.add_input(Submit('submit', 'Submit'))

blog/migrations/0001_initial.py

@@ -0,0 +1,61 @@
+# Generated by Django 5.1 on 2024-08-23 09:00
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="Tag",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("value", models.TextField(max_length=100)),
+            ],
+        ),
+        migrations.CreateModel(
+            name="Post",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("created_at", models.DateTimeField(auto_now_add=True)),
+                ("modified_at", models.DateTimeField(auto_now=True)),
+                ("published_at", models.DateTimeField(blank=True, null=True)),
+                ("title", models.TextField(max_length=100)),
+                ("slug", models.SlugField()),
+                ("summary", models.TextField(max_length=500)),
+                ("content", models.TextField()),
+                (
+                    "author",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.PROTECT,
+                        to=settings.AUTH_USER_MODEL,
+                    ),
+                ),
+                ("tags", models.ManyToManyField(related_name="posts", to="blog.tag")),
+            ],
+        ),
+    ]

blog/migrations/0002_comment.py

@@ -0,0 +1,47 @@
+# Generated by Django 5.1 on 2024-08-23 17:35
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("blog", "0001_initial"),
+        ("contenttypes", "0002_remove_content_type_name"),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="Comment",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("content", models.TextField()),
+                ("object_id", models.PositiveIntegerField()),
+                (
+                    "content_type",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        to="contenttypes.contenttype",
+                    ),
+                ),
+                (
+                    "creator",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        to=settings.AUTH_USER_MODEL,
+                    ),
+                ),
+            ],
+        ),
+    ]

blog/migrations/0003_delete_post.py

@@ -0,0 +1,16 @@
+# Generated by Django 5.1 on 2024-08-23 19:11
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("blog", "0002_comment"),
+    ]
+
+    operations = [
+        migrations.DeleteModel(
+            name="Post",
+        ),
+    ]

blog/migrations/0004_post.py

@@ -0,0 +1,45 @@
+# Generated by Django 5.1 on 2024-08-23 19:12
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("blog", "0003_delete_post"),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="Post",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("created_at", models.DateTimeField(auto_now_add=True)),
+                ("modified_at", models.DateTimeField(auto_now=True)),
+                ("published_at", models.DateTimeField(blank=True, null=True)),
+                ("title", models.TextField(max_length=100)),
+                ("slug", models.SlugField()),
+                ("summary", models.TextField(max_length=500)),
+                ("content", models.TextField()),
+                (
+                    "author",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.PROTECT,
+                        to=settings.AUTH_USER_MODEL,
+                    ),
+                ),
+                ("tags", models.ManyToManyField(related_name="posts", to="blog.tag")),
+            ],
+        ),
+    ]

blog/migrations/0005_comment_created_at_comment_modified_at.py

@@ -0,0 +1,27 @@
+# Generated by Django 5.1 on 2024-08-23 19:20
+
+import django.utils.timezone
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("blog", "0004_post"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="comment",
+            name="created_at",
+            field=models.DateTimeField(
+                auto_now_add=True, default=django.utils.timezone.now
+            ),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name="comment",
+            name="modified_at",
+            field=models.DateTimeField(auto_now=True),
+        ),
+    ]

blog/models.py

@@ -0,0 +1,40 @@
+from django.db import models
+from django.conf import settings
+from django.contrib.contenttypes.fields import GenericForeignKey
+from django.contrib.contenttypes.models import ContentType
+from django.contrib.contenttypes.fields import GenericRelation
+# Create your models here.
+class Tag(models.Model):
+    value = models.TextField(max_length=100)
+
+    def __str__(self):
+        return self.value
+
+class Comment(models.Model):
+    creator = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
+    content = models.TextField()
+    content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)
+    object_id = models.PositiveIntegerField()
+    content_object = GenericForeignKey("content_type", "object_id")
+    created_at = models.DateTimeField(auto_now_add=True)
+    modified_at = models.DateTimeField(auto_now=True)
+
+class Post(models.Model):
+    author = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.PROTECT)
+    created_at = models.DateTimeField(auto_now_add=True)
+    modified_at = models.DateTimeField(auto_now=True)
+    published_at = models.DateTimeField(blank=True, null=True)
+    title = models.TextField(max_length=100)
+    slug = models.SlugField()
+    summary = models.TextField(max_length=500)
+    content = models.TextField()
+    tags = models.ManyToManyField(Tag, related_name="posts")
+    comments = GenericRelation(Comment)
+
+    def __str__(self):
+        return self.title
+
+
+
+
+

blog/templates/base.html

@@ -0,0 +1,19 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
+    <title>Hello, world!</title>
+  </head>
+  <body>
+
+    <div class="container bg-dark text-light">
+      {% block content %}
+
+      {% endblock %}
+  </div>
+
+    <script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js" integrity="sha384-MrcW6ZMFYlzcLA8Nl+NtUVF0sA7MsXsP1UyJoMp4YLEuNSfAP+JcXn/tWtIaxVXM" crossorigin="anonymous"></script>
+  </body>
+</html>

blog/templates/blog/index.html

@@ -0,0 +1,18 @@
+{% extends "base.html" %}
+{% load blog_extras %}
+{% block content %}
+    <h2>Blog Posts</h2>
+    {% for post in posts %}
+    {% row "border-bottom" %}
+        <div class="col">
+            <h3>{{ post.title }}</h3>
+            {% include "blog/post-byline.html" %}
+            <p>{{ post.summary }}</p>
+            <p>
+                ({{ post.content|wordcount }} words)
+                <a href="{% url "blog-post-detail" post.slug %}">Read More</a>
+            </p>
+        </div>
+    {% endrow %}
+    {% endfor %}
+{% endblock %}

blog/templates/blog/post-byline.html

@@ -0,0 +1,3 @@
+
+{% load blog_extras %}
+<small>By {{ post.author|author_details:request.user }} on {{ post.published_at|date:"M, d Y" }}</small>