done: Blog Blueprint

flaskr/templates/blog/create.html

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+{% extends 'base.html' %}
+
+{% block header %}
+  <h1>{% block title %}New Post{% endblock %}</h1>
+{% endblock %}
+
+{% block content %}
+  <form method="post">
+    <label for="title">Title</label>
+    <input name="title" id="title" value="{{ request.form['title'] }}" required>
+    <label for="body">Body</label>
+    <textarea name="body" id="body">{{ request.form['body'] }}</textarea>
+    <input type="submit" value="Save">
+  </form>
+{% endblock %}

flaskr/templates/blog/index.html

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+{% extends 'base.html' %}
+
+{% block header %}
+  <h1>{% block title %}Posts{% endblock %}</h1>
+  {% if g.user %}
+    <a class="action" href="{{ url_for('blog.create') }}">New</a>
+  {% endif %}
+{% endblock %}
+
+{% block content %}
+  {% for post in posts %}
+    <article class="post">
+      <header>
+        <div>
+          <h1>{{ post['title'] }}</h1>
+          <div class="about">by {{ post['username'] }} on {{ post['created'].strftime('%Y-%m-%d') }}</div>
+        </div>
+        {% if g.user['id'] == post['author_id'] %}
+          <a class="action" href="{{ url_for('blog.update', id=post['id']) }}">Edit</a>
+        {% endif %}
+      </header>
+      <p class="body">{{ post['body'] }}</p>
+    </article>
+    {% if not loop.last %}
+      <hr>
+    {% endif %}
+  {% endfor %}
+{% endblock %}

flaskr/templates/blog/update.html

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+{% extends 'base.html' %}
+
+{% block header %}
+  <h1>{% block title %}Edit "{{ post['title'] }}"{% endblock %}</h1>
+{% endblock %}
+
+{% block content %}
+  <form method="post">
+    <label for="title">Title</label>
+    <input name="title" id="title"
+      value="{{ request.form['title'] or post['title'] }}" required>
+    <label for="body">Body</label>
+    <textarea name="body" id="body">{{ request.form['body'] or post['body'] }}</textarea>
+    <input type="submit" value="Save">
+  </form>
+  <hr>
+  <form action="{{ url_for('blog.delete', id=post['id']) }}" method="post">
+    <input class="danger" type="submit" value="Delete" onclick="return confirm('Are you sure?');">
+  </form>
+{% endblock %}