[Wiki] Implement page deletions and improve sidebar construction

4 files changed, 146 insertions, 36 deletions

diff --git a/pysite/views/wiki/delete.py b/pysite/views/wiki/delete.py
new file mode 100644
index 00000000..0e3bcbbf
--- /dev/null
+++ b/pysite/views/wiki/delete.py
@@ -0,0 +1,67 @@
+import datetime
+
+import requests
+from flask import redirect, url_for
+from werkzeug.exceptions import NotFound
+
+from pysite.base_route import RouteView
+from pysite.constants import EDITOR_ROLES, WIKI_AUDIT_WEBHOOK
+from pysite.decorators import csrf, require_roles
+from pysite.mixins import DBMixin
+
+
+class EditView(RouteView, DBMixin):
+    path = "/delete/<path:page>"  # "path" means that it accepts slashes
+    name = "delete"
+    table_name = "wiki"
+    revision_table_name = "wiki_revisions"
+
+    @require_roles(*EDITOR_ROLES)
+    def get(self, page):
+        obj = self.db.get(self.table_name, page)
+
+        if obj:
+            title = obj.get("title", "")
+
+            if obj.get("lock_expiry") and obj.get("lock_user") != self.user_data.get("user_id"):
+                lock_time = datetime.datetime.fromtimestamp(obj["lock_expiry"])
+                if datetime.datetime.utcnow() < lock_time:
+                    return self.render("wiki/page_in_use.html", page=page)
+
+            return self.render("wiki/page_delete.html", page=page, title=title)
+        else:
+            raise NotFound()
+
+    @require_roles(*EDITOR_ROLES)
+    @csrf
+    def post(self, page):
+        obj = self.db.get(self.table_name, page)
+
+        if not obj:
+            raise NotFound()
+
+        self.db.delete(self.table_name, page)
+        self.db.delete(self.revision_table_name, page)
+
+        self.audit_log(obj)
+
+        return redirect(url_for("wiki.page", page="home"), code=303)  # Redirect, ensuring a GET
+
+    def audit_log(self, obj):
+        if WIKI_AUDIT_WEBHOOK:  # If the audit webhook is not configured there is no point processing it
+            audit_payload = {
+                "username": "Wiki Updates",
+                "embeds": [
+                    {
+                        "title": "Page Deletion",
+                        "description": f"**{obj['title']}** was deleted by **{self.user_data.get('username')}**",
+                        "color": 4165079,
+                        "timestamp": datetime.datetime.utcnow().isoformat(),
+                        "thumbnail": {
+                            "url": "https://pythondiscord.com/static/logos/logo_discord.png"
+                        }
+                    }
+                ]
+            }
+
+            requests.post(WIKI_AUDIT_WEBHOOK, json=audit_payload)
diff --git a/templates/wiki/base.html b/templates/wiki/base.html
index 28431324..eec0ecb8 100644
--- a/templates/wiki/base.html
+++ b/templates/wiki/base.html
@@ -70,24 +70,47 @@
                             <i class="uk-icon fas fa-fw fa-cube"></i> &nbsp;Minecraft
                         </a></li>
 
-                        <li class="uk-nav-divider"></li>
+                        {% set ACTIONABLE_PAGES = ["page", "edit", "history.show", "history.compare", "source", "delete"] %}
+                        {% set actionable = current_page in ACTIONABLE_PAGES %}
 
-                        {% if (can_edit or debug) and current_page != "edit" %}
-                            <li>
-                                <a href="{{ url_for("wiki.edit", page=page) }}">
-                                    <i class="uk-icon fas fa-fw fa-pencil-alt"></i> &nbsp;Edit
-                                </a>
-                            </li>
-                        {% elif current_page == "edit" %}
-                            <li>
-                                <a href="{{ url_for("wiki.page", page=page) }}">
-                                    <i class="uk-icon fas fa-fw fa-arrow-left"></i> &nbsp;Back
-                                </a>
-                            </li>
-                        {% endif %}
+                        {% if actionable %}
+                            <li class="uk-nav-divider"></li>
+
+                            {% if current_page == "edit" %}
+                                <li>
+                                    <a href="{{ url_for("wiki.page", page=page) }}">
+                                        <i class="uk-icon fas fa-fw fa-arrow-left"></i> &nbsp;Back
+                                    </a>
+                                </li>
+                            {% else %}
+                                <li>
+                                    <a href="{{ url_for("wiki.edit", page=page) }}">
+                                        <i class="uk-icon fas fa-fw fa-pencil-alt"></i> &nbsp;Edit
+                                    </a>
+                                </li>
+                            {% endif %}
+
+                            {% if current_page == "delete" %}
+                                <li>
+                                    <a href="{{ url_for("wiki.page", page=page) }}">
+                                        <i class="uk-icon fas fa-fw fa-arrow-left"></i> &nbsp;Back
+                                    </a>
+                                </li>
+                            {% else %}
+                                <li>
+                                    <a href="{{ url_for("wiki.delete", page=page) }}">
+                                        <i class="uk-icon fas fa-fw fa-trash"></i> &nbsp;Delete
+                                    </a>
+                                </li>
+                            {% endif %}
 
-                        {% if current_page != "history.show" %}
-                            {% if current_page == "history.compare" %}
+                            {% if current_page == "history.show" %}
+                                <li>
+                                    <a href="{{ url_for("wiki.page", page=page) }}">
+                                        <i class="uk-icon fas fa-fw fa-arrow-left"></i> &nbsp;Back
+                                    </a>
+                                </li>
+                            {% elif current_page == "history.compare" %}
                                 <li>
                                     <a href="{{ url_for("wiki.history.show", page=slug) }}">
                                         <i class="uk-icon fas fa-fw fa-arrow-left"></i> &nbsp;Back
@@ -100,26 +123,20 @@
                                     </a>
                                 </li>
                             {% endif %}
-                        {% else %}
-                            <li>
-                                <a href="{{ url_for("wiki.page", page=page) }}">
-                                    <i class="uk-icon fas fa-fw fa-arrow-left"></i> &nbsp;Back
-                                </a>
-                            </li>
-                        {% endif %}
 
-                        {% if current_page != "source" %}
-                            <li>
-                                <a href="{{ url_for("wiki.source", page=page) }}">
-                                    <i class="uk-icon fas fa-fw fa-code"></i> &nbsp;Source
-                                </a>
-                            </li>
-                        {% else %}
-                            <li>
-                                <a href="{{ url_for("wiki.page", page=page) }}">
-                                    <i class="uk-icon fas fa-fw fa-arrow-left"></i> &nbsp;Back
-                                </a>
-                            </li>
+                            {% if current_page == "source" %}
+                                <li>
+                                    <a href="{{ url_for("wiki.page", page=page) }}">
+                                        <i class="uk-icon fas fa-fw fa-arrow-left"></i> &nbsp;Back
+                                    </a>
+                                </li>
+                            {% else %}
+                                <li>
+                                    <a href="{{ url_for("wiki.source", page=page) }}">
+                                        <i class="uk-icon fas fa-fw fa-code"></i> &nbsp;Source
+                                    </a>
+                                </li>
+                            {% endif %}
                         {% endif %}
 
                         <li class="uk-nav-divider"></li>
diff --git a/templates/wiki/page_delete.html b/templates/wiki/page_delete.html
new file mode 100644
index 00000000..f4d52653
--- /dev/null
+++ b/templates/wiki/page_delete.html
@@ -0,0 +1,26 @@
+{% extends "wiki/base.html" %}
+{% block title %}Wiki | Delete: {{ page }}{% endblock %}
+{% block og_title %}Wiki | Delete: {{ page }}{% endblock %}
+{% block og_description %}{% endblock %}
+{% block extra_head %}
+<script src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.3.3/ace.js" type="application/javascript"></script>
+{% endblock %}
+{% block content %}
+    <div uk-alert class="uk-alert-danger">
+        <h3>Delete Page: {{ page }}</h3>
+        <p>
+            Are you sure you want to delete this page?
+        </p>
+
+        <form uk-grid class="uk-grid-small" action="{{ url_for("wiki.delete", page=page) }}" method="post">
+            <div class="uk-width-1-2">
+                <a href="{{ url_for("wiki.page", page=page) }}" class="uk-button uk-button-primary uk-width-1-1" type="button" value="Cancel" id="cancel">Cancel</a>
+            </div>
+            <div class="uk-width-1-2">
+                <input class="uk-button uk-button-secondary uk-width-1-1" type="submit" id="delete" value="Delete" />
+            </div>
+
+            <input type="hidden" name="csrf_token" value="{{ csrf_token() }}"/>
+        </form>
+    </div>
+{% endblock %}
diff --git a/templates/wiki/page_edit.html b/templates/wiki/page_edit.html
index a2d709e2..51ce70db 100644
--- a/templates/wiki/page_edit.html
+++ b/templates/wiki/page_edit.html
@@ -1,7 +1,7 @@
 {% extends "wiki/base.html" %}
 {% block title %}Wiki | Edit: {{ page }}{% endblock %}
 {% block og_title %}Wiki | Edit: {{ page }}{% endblock %}
-{% block og_description %}Landing page for the wiki{% endblock %}
+{% block og_description %}{% endblock %}
 {% block extra_head %}
 <script src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.3.3/ace.js" type="application/javascript"></script>
 {% endblock %}