Add wiki management route to enable wiki deletion

Add a new route to manage wikis. At the moment the only option available
on this page is wiki deletion.

5 files changed, 99 insertions, 13 deletions

diff --git a/mansrht/blueprints/html.py b/mansrht/blueprints/html.py
index 2f0b354..6e99d7d 100644
--- a/mansrht/blueprints/html.py
+++ b/mansrht/blueprints/html.py
@@ -5,8 +5,9 @@ from srht.config import cfg
 from srht.flask import loginrequired
 from srht.markdown import markdown, extract_toc
 from srht.validation import Validation
+from mansrht.access import UserAccess, check_access
 from mansrht.types import User, Wiki
-from mansrht.wikis import create_wiki
+from mansrht.wikis import create_wiki, delete_wiki
 from datetime import datetime
 from jinja2 import Markup
 from urllib.parse import urlparse, urlunparse
@@ -99,6 +100,21 @@ def user_content(owner_name, wiki_name, path=None):
     repo = pygit2.Repository(os.path.join(wiki.path))
     return content(repo, path, wiki)
 
+@html.route("/manage/~<owner_name>/<wiki_name>/delete")
+@loginrequired
+def manage_delete(owner_name, wiki_name):
+    # check_access() guarantees owner and wiki are valid.
+    owner, wiki = check_access("~{}".format(owner_name), wiki_name, UserAccess.manage)
+    return render_template("delete.html", owner=owner, wiki=wiki)
+
+@html.route("/manage/~<owner_name>/<wiki_name>/delete", methods=["POST"])
+@loginrequired
+def manage_delete_POST(owner_name, wiki_name):
+    # check_access() guarantees owner and wiki are valid.
+    owner, wiki = check_access("~{}".format(owner_name), wiki_name, UserAccess.manage)
+    delete_wiki(wiki)
+    return redirect("/")
+
 @html.route("/wiki/create")
 @loginrequired
 def create_GET():
diff --git a/mansrht/templates/content.html b/mansrht/templates/content.html
index 40f7f8a..0ea5dd2 100644
--- a/mansrht/templates/content.html
+++ b/mansrht/templates/content.html
@@ -59,18 +59,20 @@ Date:   {{ctime.isoformat()}}
         {% endif %}
         </dd>
       </dl>
-      <!--
-      <div class="row">
-        <div class="col-8 offset-2">
-          <a href="#" class="btn btn-default btn-block">Manage your wiki</a>
-        </div>
-      </div>
-      -->
-      {% if is_root and current_user %}
-      <hr />
-      <a href="/wiki/create" class="btn btn-primary btn-block">
-        Create a wiki {{icon("caret-right")}}
-      </a>
+      {% if current_user %}
+        <hr />
+        {% if wiki and wiki.owner.username == current_user.username %}
+        <a
+          href="{{ url_for("html.manage_delete",
+            owner_name=wiki.owner.username, wiki_name=wiki.name) }}"
+          class="btn btn-default btn-block"
+        >Manage your wiki</a>
+        {% endif %}
+        {% if is_root %}
+          <a href="/wiki/create" class="btn btn-primary btn-block">
+            Create a wiki {{icon("caret-right")}}
+          </a>
+        {% endif %}
       {% endif %}
     </div>
   </div>
diff --git a/mansrht/templates/delete.html b/mansrht/templates/delete.html
new file mode 100644
index 0000000..4ecd974
--- /dev/null
+++ b/mansrht/templates/delete.html
@@ -0,0 +1,20 @@
+{% extends "manage.html" %}
+{% block content %}
+<div class="row">
+  <div class="col-md-12">
+    <p>This will permanently delete the wiki.
+      <strong>~{{ owner.username }}/{{ wiki.name }}</strong>.
+      This cannot be undone.
+    </p>
+    <form method="POST">
+      {{csrf_token()}}
+      <button type="submit" class="btn btn-danger">
+        Proceed and delete {{icon("caret-right")}}
+      </button>
+      <a
+        class="btn btn-default"
+        href="{{ url_for("html.user_content",
+          owner_name=owner.username, wiki_name=wiki.name) }}"
+      >Nevermind</a>
+    </form>
+{% endblock %}
diff --git a/mansrht/templates/manage.html b/mansrht/templates/manage.html
new file mode 100644
index 0000000..75ca3cb
--- /dev/null
+++ b/mansrht/templates/manage.html
@@ -0,0 +1,37 @@
+{% extends "layout.html" %}
+{% block body %}
+<!--
+<h2>Wiki settings</h2>
+<section>
+  <p>
+    You can manage settings for
+    <strong>~{{ owner.username }}/{{ wiki.name }}</strong> here.</p>
+</section>
+-->
+<div class="container-fluid">
+  <div class="row">
+    <div class="col-md-12 header-tabbed">
+      {% block tabs %}
+      <ul class="nav nav-tabs">
+        <li class="nav-item">
+          <a class="nav-link" href="/~{{ owner.username }}/{{ wiki.name }}">
+            {{icon("caret-left")}} back
+          </a>
+        </li>
+        <li class="nav-item">
+          <!-- Only option at the moment so we assume it's active. -->
+          <a
+            class="nav-link active"
+            href="{{ url_for("html.manage_delete",
+              owner_name=owner.username, wiki_name=wiki.name) }}"
+          > delete </a>
+        </li>
+      </ul>
+      {% endblock %}
+    </div>
+  </div>
+</div>
+<div class="container">
+  {% block content %}{% endblock %}
+</div>
+{% endblock %}
diff --git a/mansrht/wikis.py b/mansrht/wikis.py
index 47f967f..6d58477 100644
--- a/mansrht/wikis.py
+++ b/mansrht/wikis.py
@@ -41,3 +41,14 @@ def create_wiki(valid, owner):
 
     db.session.commit()
     return wiki
+
+def delete_wiki(wiki):
+    try:
+        shutil.rmtree(wiki.path)
+    except FileNotFoundError:
+        # If it's not found then we don't have to do anything
+        # to the filesystem.
+        pass
+
+    db.session.delete(wiki)
+    db.session.commit()