feat(usermanager): add group list view

lumi2/templates/usermanager/group_edit.html

@@ -13,7 +13,7 @@
         <table class="table table-hover align-middle" id="groupNonMembers">
             <thead>
                 <tr>
-                    <th scope="col" colspan="3" class="text-center">Other users</th>
+                    <th scope="col" colspan="3" class="text-center text-opacity-75 fs-4">Other users</th>
                 </tr>
             </thead>
             <tbody>
@@ -39,11 +39,11 @@
             </tbody>
         </table>
     </div>
-    <div class="col-sm border rounded m-2">
+    <div class="col-sm border border-primary rounded m-2">
         <table class="table table-hover align-middle" id="groupMembers">
             <thead>
                 <tr>
-                    <th scope="col" colspan="3" class="text-center">{{ groupname }}</th>
+                    <th scope="col" colspan="3" class="text-center text-primary text-opacity-75 fs-4">{{ groupname }}</th>
                 </tr>
             </thead>
             <tbody>

lumi2/templates/usermanager/group_list.html

@@ -0,0 +1,45 @@
+{% extends 'base.html' %}
+
+{% block content %}
+<div class="text-center border-bottom mb-1">
+    <h1>All groups</h1>
+</div>
+<div class="text-end border-bottom pb-1 mb-1">
+    <a class="btn btn-primary"
+        href="{{ url_for('usermanager.group_create') }}"
+        role="button"
+    >
+    <img src="{{ url_for('static', filename='/images/base/plus.png') }}" alt="Plus-Icon" width="16" height="16">
+        Create a new group
+    </a>
+</div>
+{% if groups %}
+<div class="table-responsive">
+    <table class="table table-striped table-hover">
+        <thead>
+            <tr>
+                <th scope="col">Group Name</th>
+                <th scope="col">Members</th>
+            </tr>
+        </thead>
+        <tbody>
+            {% for group in groups | sort %}
+            <tr>
+                <th scope="row">
+                    <a href="{{ url_for('usermanager.group_view', groupname=group.groupname) }}">{{ group.groupname }}</a>
+                </th>
+                <td class="align-middle">
+                    {% for user in group.members %}
+                    {% endfor %}
+                </td>
+            </tr>
+            {% endfor %}
+        </tbody>
+    </table>
+</div>
+{% else %}
+<div class="text-center">
+    <p class="text-muted">There are currently no groups.</p>
+</div>
+{% endif %}
+{% endblock content %}

lumi2/usermanager.py

@@ -58,10 +58,10 @@ def user_view(username: str):
         conn.unbind()
         abort(404)
 
-    user._generate_static_images()
     conn.unbind()
     return render_template('usermanager/user_view.html',user=user)
 
+
 @bp.route("/users/list")
 def user_list():
     """Displays a list of all users."""
@@ -73,9 +73,6 @@ def user_list():
     except Exception:
         abort(500)
 
-    for user in users:
-        user._generate_static_images()
-
     return render_template(
         'usermanager/user_list.html',
         users=users,
@@ -238,8 +235,6 @@ def user_update(username: str):
         conn.unbind()
         abort(404)
 
-    user._generate_static_images()
-
     form = UserUpdateForm(obj=user)
     if form.validate_on_submit():
         if form.email.data:
@@ -252,14 +247,11 @@ def user_update(username: str):
             user.display_name = form.display_name.data
         if form.password.data:
             user.password_hash = User.generate_password_hash(form.password.data)
-        picture_updated = False
         if form.picture.data and form.picture.data.filename:
             user.picture = Image.open(form.picture.data, formats=['JPEG'])
-            picture_updated = True
 
+        user._generate_static_images(force=True)
         ldap.update_user(conn, user)
-        if picture_updated:
-            user._generate_static_images(force=True)
         conn.unbind()
         flash(f"Information for user '{user.username}' was updated.")
         return redirect(url_for('usermanager.user_view', username=user.username))
@@ -315,6 +307,57 @@ def user_delete(username: str):
     )
 
 
+@bp.route("/groups/list")
+def group_list():
+    """Displays a list of all groups."""
+
+    try:
+        conn = ldap.get_connection()
+        groups = ldap.get_groups(conn)
+        conn.unbind()
+    except Exception:
+        abort(500)
+
+    return render_template(
+        'usermanager/group_list.html',
+        groups=groups,
+    )
+
+
+@bp.route("/groups/create", methods=("GET", "POST"))
+def group_create():
+    """Displays a form allowing group creation."""
+
+    try:
+        conn = ldap.get_connection()
+    except Exception:
+        abort(500)
+
+    conn.unbind()
+    # TODO implement
+    abort(404)
+
+
+@bp.route("/groups/view/<string:groupname>")
+def group_view(groupname: str):
+    """Displays a form allowing group creation."""
+
+    try:
+        conn = ldap.get_connection()
+    except Exception:
+        abort(500)
+
+    try:
+        group = ldap.get_group(conn, groupname)
+    except ldap.EntryNotFoundException:
+        conn.unbind()
+        abort(404)
+
+    conn.unbind()
+    # TODO implement
+    abort(404)
+
+
 class GroupUpdateForm(FlaskForm):
     updated_members = HiddenField(
         'Group Members',