Add django-prose-editor for Post editing

pyproject.toml

@@ -27,6 +27,7 @@ dependencies = [
   "pymarker~=1.2",
   "sentry-sdk[django]~=2.20",
   "Sphinx~=8.1",
+  "django-prose-editor[sanitize]>=0.25.1",
 ]
 
 [dependency-groups]

src/blog/admin.py

@@ -1,9 +1,9 @@
 from django.contrib import admin
+from django.utils.html import format_html
 
-from blog.models import Category, Clipping, Post, PostImage
+from blog.models import IMAGE_BASE_PATH, Category, Clipping, Post, PostImage
 
 admin.site.register(Category)
-admin.site.register(PostImage)
 
 
 @admin.register(Post)
@@ -19,3 +19,25 @@ def get_queryset(self, request):
 class ClippingAdmin(admin.ModelAdmin):
     list_display = ("title", "id", "created", "modified", "display_date")
     ordering = ("-created",)
+
+
+@admin.register(PostImage)
+class PostImageAdmin(admin.ModelAdmin):
+    list_display = ("image", "copy_button", "filename", "description", "created")
+    ordering = ("-created",)
+
+    def filename(self, obj):
+        return obj.file.name.lstrip(IMAGE_BASE_PATH)
+
+    def image(self, obj):
+        if obj.file:
+            return format_html('<img src="{}" width="100" />', obj.file.url)
+        return ""
+
+    def copy_button(self, obj):
+        if obj.file:
+            return format_html(
+                '<button type="button" onclick="navigator.clipboard.writeText(\'{}\')">Copy URL</button>',
+                obj.file.url,
+            )
+        return ""

src/blog/jinja2/blog/detail.jinja2

@@ -7,7 +7,7 @@
             <h2>{{ post.title }}</h2>
         {% endblock page_title %}
         <div id=post>
-            <p>{{ post.body |safe }}</p>
+            <p>{{ post.formatted_body |safe }}</p>
             {% for image in images %}
                 <div class="post-image">
                     <img class="post-image" src="{{ image.file.url }}" />

src/blog/jinja2/blog/post_preview.jinja2

@@ -4,7 +4,7 @@
             <a href="{{ url('post_detail', args=[post.pk]) }}">{{ post.title }}</a>
         </h3>
         <p>
-            {{ post.body[:PREVIEW_SIZE] | safe }}... <a href="{{ url('post_detail', args=[post.pk]) }}">{{ _("Read More") }}</a>
+            {{ post.excerpt[:PREVIEW_SIZE] | safe }}... <a href="{{ url('post_detail', args=[post.pk]) }}">{{ _("Read More") }}</a>
         </p>
     </div>
 {% endfor %}

src/blog/migrations/0010_rename_body_post_excerpt_post_formatted_body_and_more.py

@@ -0,0 +1,28 @@
+# Generated by Django 6.0.3 on 2026-04-02 14:50
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('blog', '0009_update_clipping_display_dates'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='post',
+            old_name='body',
+            new_name='excerpt',
+        ),
+        migrations.AddField(
+            model_name='post',
+            name='formatted_body',
+            field=models.TextField(default=''),
+        ),
+        migrations.AlterField(
+            model_name='clipping',
+            name='display_date',
+            field=models.DateField(db_index=True),
+        ),
+    ]

src/blog/migrations/0011_update_formatted_bodies.py

@@ -0,0 +1,18 @@
+from django.db import migrations, models
+
+def populate_formatted_bodies(apps, schema_editor):
+    Post = apps.get_model('blog', 'Post')
+    for obj in Post.objects.all():
+        obj.formatted_body = obj.excerpt
+        obj.save()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('blog', '0010_rename_body_post_excerpt_post_formatted_body_and_more'),
+    ]
+
+    operations = [
+        migrations.RunPython(populate_formatted_bodies, reverse_code=migrations.RunPython.noop),
+    ]

src/blog/models.py

@@ -1,6 +1,7 @@
 from django.core.files.storage import default_storage
 from django.db import models
 from django_extensions.db.models import TimeStampedModel
+from django_prose_editor.fields import ProseEditorField
 
 from users.models import Profile
 
@@ -55,9 +56,36 @@ class Post(TimeStampedModel):
         null=True,
         blank=True,
     )
-    body = models.TextField()
+    excerpt = models.TextField()
     categories = models.ManyToManyField(Category, related_name="posts", blank=True)
     images = models.ManyToManyField(PostImage, related_name="posts", blank=True)
+    formatted_body = ProseEditorField(
+        default="",
+        extensions={
+            # Core text formatting
+            "Bold": True,
+            "Italic": True,
+            "Strike": True,
+            "Underline": True,
+            "AddImage": True,
+            # Structure
+            "Heading": {"levels": [1, 2, 3]},
+            "BulletList": True,
+            "OrderedList": True,
+            "ListItem": True,
+            "Blockquote": True,
+            # Advanced extensions
+            "Link": {
+                "enableTarget": True,  # Enable "open in new window"
+                "protocols": ["http", "https"],  # Limit protocols
+            },
+            # Editor capabilities
+            "History": True,  # Enables undo/redo
+            "HTML": True,  # Allows HTML view
+            "Typographic": True,  # Enables typographic chars
+        },
+        sanitize=True,
+    )
 
     def __str__(self):
         return self.title

src/blog/static/js/prose_image.js

@@ -0,0 +1,117 @@
+import { Node, updateAttrsDialog } from "django-prose-editor/editor";
+
+const imageDialogImpl = (editor, attrs, options) => {
+  const properties = {
+    src: {
+      type: "string",
+      title: gettext("Source"),
+      required: true,
+    },
+    alt: {
+      type: "string",
+      title: gettext("Alt Text"),
+      required: true,
+    },
+    title: {
+      type: "string",
+      title: gettext("Title"),
+    },
+    width: {
+      type: "number",
+      title: gettext("Width"),
+    },
+    height: {
+      type: "number",
+      title: gettext("Height"),
+    },
+  };
+
+  return updateAttrsDialog(properties, {
+    title: gettext("Add or edit image"),
+  })(editor, attrs);
+};
+
+const ImageDialog = async (editor, attrs, options) => {
+  attrs = attrs || {};
+  attrs = await imageDialogImpl(editor, attrs, options);
+  if (attrs) {
+    return attrs;
+  }
+};
+
+export const AddImage = Node.create({
+  name: "image",
+  content: "inline*",
+  group: "block",
+  isolating: true,
+
+  addAttributes() {
+    return {
+      src: {
+        default: null,
+      },
+      alt: {
+        default: null,
+      },
+      title: {
+        default: null,
+      },
+      width: {
+        default: null,
+      },
+      height: {
+        default: null,
+      },
+    };
+  },
+  parseHTML() {
+    return [
+      {
+        tag: "img[src]",
+        getAttrs: (dom) => ({
+          src: dom.getAttribute("src"),
+          alt: dom.getAttribute("alt"),
+          title: dom.getAttribute("title"),
+          width: dom.getAttribute("width"),
+          height: dom.getAttribute("height"),
+        }),
+      },
+    ];
+  },
+  renderHTML({ HTMLAttributes }) {
+    return ["img", HTMLAttributes];
+  },
+  addMenuItems({ editor, buttons, menu }) {
+    menu.defineItem({
+      name: "addImage",
+      groups: "link",
+      command: (editor) => editor.chain().addImage().focus().run(),
+      button: buttons.material("image", "Add image"),
+      enabled: (editor) => true,
+      active: (editor) => editor.isActive("image"),
+    });
+  },
+  addCommands() {
+    return {
+      ...this.parent?.(),
+      addImage:
+        () =>
+        ({ editor }) => {
+          const attrs = editor.getAttributes(this.name);
+
+          ImageDialog(editor, attrs, this.options).then((attrs) => {
+            if (attrs) {
+              editor
+                .chain()
+                .focus()
+                .insertContent({
+                  type: "image",
+                  attrs: attrs,
+                })
+                .run();
+            }
+          });
+        },
+    };
+  },
+});

src/blog/tests/test_post_details.py

@@ -11,7 +11,10 @@ def test_post_details_work(self):
         """
         # Create a sample post
         post = Post.objects.create(
-            title="Test Post", body="This is a test post.", status=PostStatus.PUBLISHED
+            title="Test Post",
+            excerpt="This is a test post.",
+            formatted_body="This is the body of the test post.",
+            status=PostStatus.PUBLISHED,
         )
         # Create a sample image for the post
         image_1 = PostImage.objects.create(

src/blog/tests/test_view_index.py

@@ -14,7 +14,8 @@ def test_main_page_shows_all_posts(self):
         for i in range(0, 10):
             Post.objects.create(
                 title=f"Test Post {i}",
-                body=f"This is the body of test post {i}.",
+                excerpt=f"This is the excerpt of test post {i}.",
+                formatted_body=f"This is the body of test post {i}.",
                 status=PostStatus.PUBLISHED,
             )
         response = self.client.get(reverse("blog_index"))
@@ -39,7 +40,8 @@ def test_main_page_with_page_number_negative(self):
         for i in range(0, 10):
             Post.objects.create(
                 title=f"Test Post {i}",
-                body=f"This is the body of test post {i}.",
+                excerpt=f"This is the excerpt of test post {i}.",
+                formatted_body=f"This is the body of test post {i}.",
                 status=PostStatus.PUBLISHED,
             )
         # Request with a negative page number should return the first page
@@ -62,7 +64,8 @@ def test_main_page_with_page_invalid_number(self):
         for i in range(0, 10):
             Post.objects.create(
                 title=f"Test Post {i}",
-                body=f"This is the body of test post {i}.",
+                excerpt=f"This is the excerpt of test post {i}.",
+                formatted_body=f"This is the body of test post {i}.",
                 status=PostStatus.PUBLISHED,
             )
         # Request with an invalid page number should return the first page
@@ -85,7 +88,8 @@ def test_main_page_with_htmx(self):
         for i in range(0, 10):
             Post.objects.create(
                 title=f"Test Post {i}",
-                body=f"This is the body of test post {i}.",
+                excerpt=f"This is the excerpt of test post {i}.",
+                formatted_body=f"This is the body of test post {i}.",
                 status=PostStatus.PUBLISHED,
             )
         response = self.client.get(

src/config/settings.py

@@ -8,6 +8,7 @@
 import environ
 import sentry_sdk
 from django.utils.translation import gettext_lazy as _
+from django_prose_editor.config import html_tags
 from sentry_sdk.integrations.django import DjangoIntegration
 
 ROOT_DIR = environ.Path(__file__) - 3  # three folders back (/jandig/src/config)
@@ -99,6 +100,7 @@ def traces_sampler(sampling_context):
     "rest_framework_simplejwt",
     "rest_framework.authtoken",
     "rest_framework",
+    "django_prose_editor",
 ]
 
 INTERNAL_APPS = [
@@ -113,6 +115,19 @@ def traces_sampler(sampling_context):
 TOOLBAR_ENABLED = env.bool("DEBUG_TOOLBAR", False)
 
 
+DJANGO_PROSE_EDITOR_EXTENSIONS = [
+    {
+        "js": ["/static/js/prose_image.js"],
+        "extensions": {
+            "AddImage": html_tags(
+                tags=["img"],
+                attributes={"img": ["src", "alt", "title", "width", "height"]},
+            )
+        },
+    },
+]
+
+
 def debug(_):
     return TOOLBAR_ENABLED