From a9d67bd9982533c3e42a9e8dcb61cbffc0e14945 Mon Sep 17 00:00:00 2001
From: Jordan Robinson <hello@jordanrobinson.org>
Date: Wed, 17 Sep 2025 22:01:41 +0100
Subject: [PATCH] add new setting for auto markdown link formatting on paste in
 the editor

---
 ...18_user_markdown_link_paste_on_and_more.py | 23 ++++++++++++++
 main/models.py                                |  5 ++++
 main/templates/assets/markdown-paste-link.js  | 30 +++++++++++++++++++
 main/templates/main/page_form.html            |  4 ++-
 main/templates/main/post_form.html            |  4 ++-
 main/tests/test_users.py                      | 21 +++++++++++++
 main/views/general.py                         |  1 +
 7 files changed, 86 insertions(+), 2 deletions(-)
 create mode 100644 main/migrations/0118_user_markdown_link_paste_on_and_more.py
 create mode 100644 main/templates/assets/markdown-paste-link.js

diff --git a/main/migrations/0118_user_markdown_link_paste_on_and_more.py b/main/migrations/0118_user_markdown_link_paste_on_and_more.py
new file mode 100644
index 0000000000000000000000000000000000000000..208bd18605b2e9c4fc9716f5f9fc9d7442a356e9
--- /dev/null
+++ b/main/migrations/0118_user_markdown_link_paste_on_and_more.py
@@ -0,0 +1,23 @@
+# Generated by Django 5.2.5 on 2025-09-17 20:58
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('main', '0117_alter_reallysimplelicensing_license_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='user',
+            name='markdown_link_paste_on',
+            field=models.BooleanField(default=False, help_text='Enable/disable automatic markdown link formatting on paste.', verbose_name='Auto Markdown link formatting'),
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='subscribe_note',
+            field=models.CharField(blank=True, default='Subscribe via [RSS](/rss/) / [Atom](/atom/) / [via Email](/newsletter/).', help_text='Default: Subscribe via [RSS](/rss/) / [Atom](/atom/) / [via Email](/newsletter/).', max_length=350, null=True),
+        ),
+    ]
diff --git a/main/models.py b/main/models.py
index c6acf3a3667d4c9802877d69738ab48d3d6b7b09..b2603f0e8118007d428139ec592bfead25292e05 100644
--- a/main/models.py
+++ b/main/models.py
@@ -156,6 +156,11 @@ class User(AbstractUser):
         verbose_name="Webring next URL",
         help_text="URL for your webring's next website.",
     )
+    markdown_link_paste_on = models.BooleanField(
+        default=False,
+        help_text="Enable/disable automatic markdown link formatting on paste.",
+        verbose_name="Auto Markdown link formatting",
+    )
 
     # billing
     stripe_customer_id = models.CharField(max_length=100, blank=True, null=True)
diff --git a/main/templates/assets/markdown-paste-link.js b/main/templates/assets/markdown-paste-link.js
new file mode 100644
index 0000000000000000000000000000000000000000..cb6f75ee5777eaf6e5317fc071323db6b916bcfe
--- /dev/null
+++ b/main/templates/assets/markdown-paste-link.js
@@ -0,0 +1,30 @@
+// get body element, used for paste into it
+var bodyElem = document.querySelector('textarea[name="body"]');
+
+function formatOnPaste(event) {
+    const clipboardData = event.clipboardData || window.clipboardData;
+    const pastedData = clipboardData.getData('text');
+
+    const bodyElem = document.querySelector('textarea[name="body"]');
+
+    const start = bodyElem.selectionStart;
+    const end = bodyElem.selectionEnd;
+
+    if (start !== end) {
+        event.preventDefault(); // Stop the default paste
+
+        const selectedText = bodyElem.value.substring(start, end);
+        const before = bodyElem.value.substring(0, start);
+        const after = bodyElem.value.substring(end);
+
+        const markdownLink = `[${selectedText}](${pastedData})`;
+
+        bodyElem.value = before + markdownLink + after;
+
+        // Move cursor after inserted markdown
+        const newCursorPosition = before.length + markdownLink.length;
+        bodyElem.setSelectionRange(newCursorPosition, newCursorPosition);
+    }
+}
+
+bodyElem.addEventListener('paste', formatOnPaste);
\ No newline at end of file
diff --git a/main/templates/main/page_form.html b/main/templates/main/page_form.html
index 0eba5d845cdc98756d44e7167abb34da43546092..fd4b76518d2f5d4960e439a51fb780cdaca66444 100644
--- a/main/templates/main/page_form.html
+++ b/main/templates/main/page_form.html
@@ -64,7 +64,9 @@
 <script>
     // when page loads, focus on title
     document.querySelector('input[name="title"]').focus();
-
+    {% if request.user.markdown_link_paste_on %}
+    {% include "assets/markdown-paste-link.js" %}
+    {% endif %}
     {% include "assets/drag-and-drop-upload.js" %}
 </script>
 {% endblock scripts %}
diff --git a/main/templates/main/post_form.html b/main/templates/main/post_form.html
index f1e4601f3459f446f45597665eb434d7c9dbbd5d..ed463f4752864626e60d3fbc0848b0e16c51161e 100644
--- a/main/templates/main/post_form.html
+++ b/main/templates/main/post_form.html
@@ -82,7 +82,9 @@
 <script>
     {% include "assets/drag-and-drop-upload.js" %}
     {% include "assets/make-draft-button.js" %}
-
+    {% if request.user.markdown_link_paste_on %}
+    {% include "assets/markdown-paste-link.js" %}
+    {% endif %}
     {% if request.user.post_backups_on %}
     {% include "assets/save-snapshot.js" %}
     {% endif %}
diff --git a/main/tests/test_users.py b/main/tests/test_users.py
index 34f94b62d899627716f98720f59f5ea74df43e5f..127d102cd0d2aaabdf1757df100ebb72ac1e3ad8 100644
--- a/main/tests/test_users.py
+++ b/main/tests/test_users.py
@@ -289,3 +289,24 @@ class UserDomainCheckTestCase(TestCase):
     def test_domain_unknown(self):
         response = self.client.get(reverse("domain_check") + "?domain=randomdomain.com")
         self.assertEqual(response.status_code, 403)
+
+class UserMarkdownLinkOnPaste(TestCase):
+    def setUp(self):
+        self.user = models.User.objects.create(username="alice")
+        self.client.force_login(self.user)
+
+    def test_markdown_link_turned_on(self):
+        self.user.markdown_link_paste_on = True
+        self.user.save()
+        response = self.client.get(
+            reverse("post_create"),
+        )
+        self.assertContains(response, "formatOnPaste")
+
+    def test_markdown_link_turned_off(self):
+        self.user.markdown_link_turned_on = False
+        self.user.save()
+        response = self.client.get(
+            reverse("post_create"),
+        )
+        self.assertNotContains(response, "formatOnPaste")
\ No newline at end of file
diff --git a/main/views/general.py b/main/views/general.py
index 2b354ddf06993ac6f0571dc4e7a36d1a2b1d13cb..58310845ebf94ba2222ced510d0e9c2bd2709d4c 100644
--- a/main/views/general.py
+++ b/main/views/general.py
@@ -266,6 +266,7 @@ class UserUpdate(LoginRequiredMixin, SuccessMessageMixin, UpdateView):
         "comments_on",
         "notifications_on",
         "mail_export_on",
+        "markdown_link_paste_on",
         "redirect_domain",
         "post_backups_on",
         "show_posts_on_homepage",