feat: Implement blog post management including database schema, models, handlers, and UI.

templates/post_edit.html

@@ -0,0 +1,65 @@
+{% extends "base.html" %}
+{% block title %}
+{% if post.is_some() %}Edit Post{% else %}New Post{% endif %}
+{% endblock %}
+{% block content %}
+
+<h2>{% if post.is_some() %}Edit Post{% else %}New Post{% endif %}</h2>
+
+<a href="/__dungeon/posts">Back to Posts</a>
+<br><br>
+
+{% if let Some(err) = error %}
+<font color="red"><b>{{ err }}</b></font><br><br>
+{% endif %}
+
+{% if let Some(p) = post %}
+<form method="POST" action="/__dungeon/posts/edit/{{ p.id }}">
+    {% else %}
+    <form method="POST" action="/__dungeon/posts/new">
+        {% endif %}
+
+        <b>Title:</b><br>
+        <input type="text" name="title" size="50" required
+            value="{% if let Some(p) = post %}{{ p.title }}{% endif %}"><br><br>
+
+        <b>Content (Plain Text):</b><br>
+        <textarea name="content" rows="15" cols="80"
+            required>{% if let Some(p) = post %}{{ p.content }}{% endif %}</textarea><br><br>
+
+        <b>Tags (comma separated):</b><br>
+        <input type="text" name="tags" size="50" value="{% if let Some(p) = post %}{{ p.tags }}{% endif %}"><br><br>
+
+        <b>Categories (comma separated):</b><br>
+        <input type="text" name="categories" size="50"
+            value="{% if let Some(p) = post %}{{ p.categories }}{% endif %}"><br><br>
+
+        <b>Visibility:</b><br>
+        <select name="visibility">
+            <option value="public" {% if let Some(p)=post %}{% if p.visibility=="public" %}selected{% endif %}{% endif
+                %}>
+                Public
+            </option>
+            <option value="private" {% if let Some(p)=post %}{% if p.visibility=="private" %}selected{% endif %}{% endif
+                %}>
+                Private (Requires Login)
+            </option>
+            <option value="password_protected" {% if let Some(p)=post %}{% if p.visibility=="password_protected"
+                %}selected{% endif %}{% endif %}>
+                Password Protected
+            </option>
+        </select><br><br>
+
+        <b>Password (only used if Visibility is Password Protected):</b><br>
+        <input type="text" name="password" size="20" placeholder="Optional">
+        {% if let Some(p) = post %}
+        {% if p.visibility == "password_protected" %}
+        <i>(Leave blank to keep existing password)</i>
+        {% endif %}
+        {% endif %}
+        <br><br>
+
+        <input type="submit" value="Save Post">
+    </form>
+
+    {% endblock %}