Merge remote-tracking branch 'origin/main'

app/static/styles.css

@@ -359,8 +359,7 @@ h1 .fe-bell, h1 .fe-no-bell {
   top: 2px;
 }
 .fe-poll:before {
-  content: "\e91b";
-  /* possibly e985 */
+  content: "\e91b"; /* possibly e985 */
 }
 
 .fe-sticky-left::before {
@@ -513,25 +512,20 @@ a {
 
 .skip-link {
   position: absolute;
-  top: -40px;
-  /* Adjust as needed to hide the link off-screen */
+  top: -40px; /* Adjust as needed to hide the link off-screen */
   left: 0;
-  background-color: #fff;
-  /* Background color to cover the link for screen readers */
-  z-index: 1060;
-  /* Ensure it's above other content */
+  background-color: #fff; /* Background color to cover the link for screen readers */
+  z-index: 1060; /* Ensure it's above other content */
 }
 
 .skip-link:focus {
-  top: 0;
-  /* Bring the link back into view when it receives focus */
+  top: 0; /* Bring the link back into view when it receives focus */
 }
 
 #outer_container a:not(.btn):hover, footer a:not(.btn):hover {
   text-decoration: underline;
 }
-#outer_container a:not(.btn):has(span.fe):hover, footer a:not(.btn):has(span.fe):hover {
-  /* do not have underlines on icons */
+#outer_container a:not(.btn):has(span.fe):hover, footer a:not(.btn):has(span.fe):hover { /* do not have underlines on icons */
   text-decoration: none;
 }
 #outer_container a:not(.btn):active, footer a:not(.btn):active {
@@ -660,8 +654,7 @@ div.navbar {
   background-repeat: no-repeat;
   background-position: center center;
   background-size: cover;
-  border-radius: 5px 5px 0 0;
-  /* top-left | top-right | bottom-right | bottom-left */
+  border-radius: 5px 5px 0 0; /* top-left | top-right | bottom-right | bottom-left */
   height: 176px;
   margin-left: -12px;
   margin-right: -12px;
@@ -878,8 +871,7 @@ div.navbar {
   margin: 0;
   display: -webkit-box;
   -webkit-box-orient: vertical;
-  -webkit-line-clamp: 2;
-  /* Limits the text to a specific number of lines */
+  -webkit-line-clamp: 2; /* Limits the text to a specific number of lines */
   line-clamp: 2;
   overflow: hidden;
   text-overflow: ellipsis;
@@ -919,8 +911,7 @@ div.navbar {
 }
 .post_teaser_video_preview .video-wrapper {
   position: relative;
-  padding-bottom: 56.25%;
-  /* 16:9 aspect ratio */
+  padding-bottom: 56.25%; /* 16:9 aspect ratio */
   height: 0;
   overflow: hidden;
 }
@@ -1022,8 +1013,7 @@ div.navbar {
 #masonry .item img {
   width: 100%;
   display: block;
-  height: auto;
-  /* Ensure aspect ratio is maintained */
+  height: auto; /* Ensure aspect ratio is maintained */
 }
 #masonry .item .masonry_thumb a, #masonry .item .masonry_thumb a:active {
   border: none;
@@ -1195,8 +1185,7 @@ div.navbar {
   display: inline-block;
 }
 .voting_buttons_new .upvote_button, .voting_buttons_new .downvote_button {
-  position: relative;
-  /* so the htmx-indicators can be position: absolute */
+  position: relative; /* so the htmx-indicators can be position: absolute */
   display: inline-block;
   text-align: center;
   cursor: pointer;
@@ -1735,6 +1724,12 @@ h1 .warning_badge {
   object-fit: cover;
 }
 
+.community_icon_small {
+  width: 20px;
+  height: 20px;
+  margin-right: 2px;
+}
+
 .bump_up {
   position: absolute;
   top: 115px;
@@ -1956,7 +1951,6 @@ form h5 {
     --bs-link-color-rgb: black;
     --bs-link-hover-color-rgb: #333;
   }
-
   [data-bs-theme=dark] {
     --bs-body-bg: black;
     --bs-link-color: white;
@@ -1966,84 +1960,65 @@ form h5 {
     --bs-body-color: white;
     --bs-body-color-rgb: white;
   }
-
   .btn-primary {
     --bs-btn-bg: black;
     --bs-btn-border-color: black;
     --bs-btn-hover-bg: #333;
   }
-
   [data-bs-theme=dark] .btn-primary {
     --bs-btn-bg: white;
     --bs-btn-border-color: white;
     --bs-btn-hover-bg: white;
     --bs-btn-color: black;
   }
-
   [data-bs-theme=dark] .btn-primary:hover {
     --bs-btn-hover-color: black;
   }
-
   .btn-outline-secondary {
     --bs-btn-color: black;
   }
-
   [data-bs-theme=dark] .btn-outline-secondary {
     --bs-btn-color: white;
   }
-
   .post_list .post_teaser {
     border-bottom: solid 1px black;
   }
-
   [data-bs-theme=dark] .post_list .post_teaser {
     border-bottom: solid 1px white;
   }
-
   .domain_link, .domain_link a {
     color: black;
   }
-
   [data-bs-theme=dark] .domain_link, [data-bs-theme=dark] .domain_link a {
     color: ghostwhite;
   }
-
   .main_pane, .voting_buttons div {
     border: solid 1px #333;
   }
-
   [data-bs-theme=dark] .main_pane, [data-bs-theme=dark] .voting_buttons div {
     border: solid 1px #eee;
   }
-
   div.navbar {
     border-bottom: solid 1px #333;
   }
-
   [data-bs-theme=dark] div.navbar {
     border-bottom: solid 1px #fff;
   }
-
   .nav-link {
     color: black;
   }
-
   [data-bs-theme=dark] .nav-link {
     color: white;
   }
-
   .card {
     --bs-card-border-color: #333;
   }
-
   [data-bs-theme=dark] .card {
     --bs-card-border-color: #fff;
   }
-
   .coolfieldset.collapsed legend, .coolfieldset legend, .coolfieldset.expanded legend {
     background-color: white;
   }
-
   [data-bs-theme=dark] .coolfieldset.collapsed legend, [data-bs-theme=dark] .coolfieldset legend, [data-bs-theme=dark] .coolfieldset.expanded legend {
     background-color: black;
   }
@@ -2054,19 +2029,16 @@ form h5 {
 
 @media print {
   #navbarSupportedContent, #side_pane, .voting_buttons, .comment_actions, footer, .post_reply_form, #post_replies .btn-group,
-.navbar .nav-link, .post_utilities_bar, .community_header, .community_icon_big, .mobile_create_post {
+  .navbar .nav-link, .post_utilities_bar, .community_header, .community_icon_big, .mobile_create_post {
     display: none;
   }
-
   .navbar {
     padding-top: 0;
     padding-bottom: 0;
   }
-
   .comments > .comment, .post_teaser {
     break-inside: avoid;
   }
-
   .main_pane {
     border: none;
     padding: 0;
@@ -2074,16 +2046,13 @@ form h5 {
   .main_pane > .btn-group {
     display: none;
   }
-
   .div.navbar {
     border-bottom: none;
   }
-
   .limit_height {
     overflow: visible !important;
     max-height: initial;
   }
-
   .comment .show-more {
     display: none;
   }

app/static/styles.scss

@@ -1412,6 +1412,12 @@ h1 .warning_badge {
   object-fit: cover;
 }
 
+.community_icon_small {
+  width: 20px;
+  height: 20px;
+  margin-right: 2px;
+}
+
 .bump_up {
   position: absolute;
   top: 115px;

app/templates/base.html

@@ -197,6 +197,7 @@
                                   <li><a class="dropdown-item{% if active_child == 'edit_profile' %} active{% endif %}" href="/user/settings">{{ _('Edit profile & settings') }}</a></li>
                                   <li><a class="dropdown-item{% if active_child == 'chats' %} active{% endif %}" href="/chat">{{ _('Chats') }}</a></li>
                                   <li><a class="dropdown-item{% if active_child == 'bookmarks' %} active{% endif %}" href="/bookmarks">{{ _('Bookmarks') }}</a></li>
+                                  <li><a class="dropdown-item{% if active_child == 'alerts' %} active{% endif %}" href="/alerts">{{ _('Activity Alerts') }}</a></li>
                                   {% if current_user.is_authenticated and current_user.hide_read_posts -%}
                                     <li><a class="dropdown-item{% if active_child == 'read_posts' %} active{% endif %}" href="/read-posts">{{ _('Read Posts') }}</a></li>
                                   {% endif -%}

app/templates/post/post_teaser/_article.html

@@ -7,8 +7,10 @@
         {% endif -%}
         {% if post.sticky -%}<span class="fe fe-sticky-right"></span>{% endif -%}
     </h3>
-    <span class="author small">{% if show_post_community -%}<a href="/c/{{ post.community.link() }}" aria-label="{{ _('Go to community %(name)s', name=post.community.name) }}">c/{{ post.community.name }}</a>{% endif -%}
-                    by {{ render_username(post.author) }} <time datetime="{{ post.last_active }}">{{ post.posted_at_localized(sort, locale) }}</time></span>
+    <span class="author small">{% if show_post_community -%}<a href="/c/{{ post.community.link() }}" aria-label="{{ _('Go to community %(name)s', name=post.community.name) }}">
+        {% if post.community.icon_image() %}<img class="community_icon_small rounded-circle" src="{{ post.community.icon_image() }}" alt="Community icon" />{% endif -%}
+        c/{{ post.community.name }}</a>{% endif -%}
+        by {{ render_username(post.author) }} <time datetime="{{ post.last_active }}">{{ post.posted_at_localized(sort, locale) }}</time></span>
     {% if post.body_html -%}
         <div class="post_teaser_article_preview small">
             {{ first_paragraph(post.body_html) | safe }}

app/templates/post/post_teaser/_image.html

@@ -10,8 +10,10 @@
         {% endif -%}
         {% if post.sticky -%}<span class="fe fe-sticky-right"></span>{% endif -%}
     </h3>
-    <span class="author small">{% if show_post_community -%}<a href="/c/{{ post.community.link() }}" aria-label="{{ _('Go to community %(name)s', name=post.community.name) }}">c/{{ post.community.name }}</a>{% endif -%}
-                    by {{ render_username(post.author) }} <time datetime="{{ post.last_active }}">{{ post.posted_at_localized(sort, locale) }}</time></span>
+    <span class="author small">{% if show_post_community -%}<a href="/c/{{ post.community.link() }}" aria-label="{{ _('Go to community %(name)s', name=post.community.name) }}">
+        {% if post.community.icon_image() %}<img class="community_icon_small rounded-circle" src="{{ post.community.icon_image() }}" alt="Community icon" />{% endif -%}
+        c/{{ post.community.name }}</a>{% endif -%}
+        by {{ render_username(post.author) }} <time datetime="{{ post.last_active }}">{{ post.posted_at_localized(sort, locale) }}</time></span>
     {% if post.image_id and not low_bandwidth -%}
         <div class="post_teaser_image_preview">
             <a href="{{ post.image.view_url() }}" rel="nofollow ugc" aria-label="{{ _('View image') }}" target="_blank"><img src="{{ post.image.medium_url() }}"

app/templates/post/post_teaser/_link.html

@@ -13,8 +13,10 @@
         {% endif -%}
         {% if post.sticky -%}<span class="fe fe-sticky-right"></span>{% endif -%}
     </h3>
-    <span class="author small">{% if show_post_community -%}<a href="/c/{{ post.community.link() }}" aria-label="{{ _('Go to community %(name)s', name=post.community.name) }}">c/{{ post.community.name }}</a>{% endif -%}
-                    by {{ render_username(post.author) }} <time datetime="{{ post.last_active }}">{{ post.posted_at_localized(sort, locale) }}</time></span>
+    <span class="author small">{% if show_post_community -%}<a href="/c/{{ post.community.link() }}" aria-label="{{ _('Go to community %(name)s', name=post.community.name) }}">
+        {% if post.community.icon_image() %}<img class="community_icon_small rounded-circle" src="{{ post.community.icon_image() }}" alt="Community icon" />{% endif -%}
+        c/{{ post.community.name }}</a>{% endif -%}
+        by {{ render_username(post.author) }} <time datetime="{{ post.last_active }}">{{ post.posted_at_localized(sort, locale) }}</time></span>
     {% if post.body_html -%}
         <div class="post_teaser_link_preview small">
             {{ first_paragraph(post.body_html) | safe }}

app/templates/post/post_teaser/_poll.html

@@ -8,8 +8,10 @@
         {% endif -%}
         {% if post.sticky -%}<span class="fe fe-sticky-right"></span>{% endif -%}
     </h3>
-    <span class="author small">{% if show_post_community -%}<a href="/c/{{ post.community.link() }}" aria-label="{{ _('Go to community %(name)s', name=post.community.name) }}">c/{{ post.community.name }}</a>{% endif -%}
-                    by {{ render_username(post.author) }} <time datetime="{{ post.last_active }}">{{ post.posted_at_localized(sort, locale) }}</time></span>
+    <span class="author small">{% if show_post_community -%}<a href="/c/{{ post.community.link() }}" aria-label="{{ _('Go to community %(name)s', name=post.community.name) }}">
+        {% if post.community.icon_image() %}<img class="community_icon_small rounded-circle" src="{{ post.community.icon_image() }}" alt="Community icon" />{% endif -%}
+        c/{{ post.community.name }}</a>{% endif -%}
+        by {{ render_username(post.author) }} <time datetime="{{ post.last_active }}">{{ post.posted_at_localized(sort, locale) }}</time></span>
     {% include "post/post_teaser/_utilities_bar.html" %}
 </div>
 <div class="col col-2 col_thumbnail">

app/templates/post/post_teaser/_video.html

@@ -15,8 +15,10 @@
         {% endif -%}
         {% if post.sticky -%}<span class="fe fe-sticky-right"></span>{% endif -%}
     </h3>
-    <span class="author small">{% if show_post_community -%}<a href="/c/{{ post.community.link() }}" aria-label="{{ _('Go to community %(name)s', name=post.community.name) }}">c/{{ post.community.name }}</a>{% endif -%}
-                    by {{ render_username(post.author) }} <time datetime="{{ post.last_active }}">{{ post.posted_at_localized(sort, locale) }}</time></span>
+    <span class="author small">{% if show_post_community -%}<a href="/c/{{ post.community.link() }}" aria-label="{{ _('Go to community %(name)s', name=post.community.name) }}">
+        {% if post.community.icon_image() %}<img class="community_icon_small rounded-circle" src="{{ post.community.icon_image() }}" alt="Community icon" />{% endif -%}
+        c/{{ post.community.name }}</a>{% endif -%}
+        by {{ render_username(post.author) }} <time datetime="{{ post.last_active }}">{{ post.posted_at_localized(sort, locale) }}</time></span>
     {% if not low_bandwidth %}
         <div class="post_teaser_video_preview">
             <div class="max_width_512">

app/templates/user/alerts.html

@@ -0,0 +1,35 @@
+{% if theme() and file_exists('app/templates/themes/' + theme() + '/base.html') %}
+    {% extends 'themes/' + theme() + '/base.html' %}
+{% else %}
+    {% extends "base.html" %}
+{% endif %}
+{% set active_child = 'alerts' %}
+
+{% block app_content %}
+<div class="row">
+    <div class="col-12 col-md-8 position-relative main_pane">
+        <nav class="mb-2" aria-label="breadcrumb" id="breadcrumb_nav" title="Navigation">
+          <ol class="breadcrumb">
+            <li class="breadcrumb-item"><a href="/">{{ _('Home') }}</a></li>
+            <li class="breadcrumb-item"><a href="/u/{{ user.link() }}">{{ user.display_name() }}</a></li>
+            <li class="breadcrumb-item active">{{ _('Alerts') }}</li>
+          </ol>
+        </nav>
+        {% include 'user/alerts/_type.html' %}
+        {% include 'user/alerts/_' + type + '.html' %}
+
+        <nav aria-label="Pagination" class="mt-4" role="navigation">
+                {% if prev_url %}
+                    <a href="{{ prev_url }}" class="btn btn-primary" rel="nofollow">
+                        <span aria-hidden="true">&larr;</span> {{ _('Previous page') }}
+                    </a>
+                {% endif %}
+                {% if next_url %}
+                    <a href="{{ next_url }}" class="btn btn-primary" rel="nofollow">
+                        {{ _('Next page') }} <span aria-hidden="true">&rarr;</span>
+                    </a>
+                {% endif %}
+        </nav>
+    </div>
+</div>
+{% endblock %}

app/templates/user/alerts/_comments.html

@@ -0,0 +1,21 @@
+{% include 'user/alerts/_filter.html' %}
+<div class="post_list">
+  <h2>{{ _('You will be notified of replies to these comments') }}</h2>
+  {% for reply in entities.items %}
+    <div class="h-entry post_teaser tabindex="0">
+      <div class="row">
+        <div class="col">
+          <a href="{{ url_for('activitypub.post_ap', post_id=reply.post_id, _anchor='comment_' + str(reply.id)) }}" aria-label="{{ _('Read replies') }}">{{ reply.body }}</a>
+        </div>
+        <div class="col col-1">
+          {% with comment=dict(comment=reply) %}
+            {% include 'post/_reply_notification_toggle.html' %}
+          {% endwith %}
+        </div>
+      </div>
+    </div>
+  {% else %}
+    <p>{{ _('You have not subscribed to any comments. Use the bell icon on each comment to do so.') }}</p>
+  {% endfor %}
+</div>
+

app/templates/user/alerts/_communities.html

@@ -0,0 +1,19 @@
+{% include 'user/alerts/_filter.html' %}
+<div class="post_list">
+  <h2>{{ _('You will be notified of new posts in these communities') }}</h2>
+  {% for community in entities.items %}
+    <div class="h-entry post_teaser tabindex="0">
+      <div class="row">
+        <div class="col">
+          <a href="{{ url_for('activitypub.community_profile', actor=community.ap_id if community.ap_id is not none else community.name) }}" aria-label="{{ _('Visit Community') }}">{{ community.title }}</a>
+        </div>
+        <div class="col col-1">
+          {% include 'community/_notification_toggle.html' %}
+        </div>
+      </div>
+    </div>
+  {% else %}
+    <p>{{ _('You have not subscribed to an alert for new content in any communities. Use the bell icon in each community to do so.') }}</p>
+  {% endfor %}
+</div>
+

app/templates/user/alerts/_filter.html

@@ -0,0 +1,11 @@
+<div class="view_filter btn-group mt-1 mb-2" aria-label="{{ _('Alert filters: ') }}">
+    <a href="/alerts/{{ type }}/all" class="btn {{ 'btn-primary' if filter == 'all' else 'btn-outline-secondary' }}" rel="nofollow noindex" title="{{ _('All authors') }}">
+        {{ _('All') }}
+    </a>
+    <a href="/alerts/{{ type }}/mine" class="btn {{ 'btn-primary' if filter == 'mine' else 'btn-outline-secondary' }}" rel="nofollow noindex" title="{{ _('Only Mine') }}">
+        {{ _('Mine') }}
+    </a>
+    <a href="/alerts/{{ type }}/others" class="btn {{ 'btn-primary' if filter == 'others' else 'btn-outline-secondary' }}" rel="nofollow noindex" title="{{ _('Only Others') }}">
+        {{ _('Others') }}
+    </a>
+</div>

app/templates/user/alerts/_posts.html

@@ -0,0 +1,19 @@
+{% include 'user/alerts/_filter.html' %}
+<div class="post_list">
+  <h2>{{ _('You will be notified of top-level replies to these posts') }}</h2>
+  {% for post in entities.items %}
+    <div class="h-entry post_teaser tabindex="0">
+      <div class="row">
+        <div class="col">
+          <a href="{{ url_for('activitypub.post_ap', post_id=post.id) }}" aria-label="{{ _('Read post') }}">{{ post.title }}</a>
+        </div>
+        <div class="col col-1">
+          {% include 'post/_post_notification_toggle.html' %}         
+        </div>
+      </div>
+    </div>
+  {% else %}
+    <p>{{ _('You have not subscribed to any posts. Use the bell icon on each post to do so.') }}</p>
+  {% endfor %}
+</div>
+

app/templates/user/alerts/_topics.html

@@ -0,0 +1,18 @@
+<div class="post_list">
+  <h2>{{ _('You will be notified of new posts in communities covered by these topics') }}</h2>
+  {% for topic in entities.items -%}
+    <div class="h-entry post_teaser tabindex="0">
+      <div class="row">
+        <div class="col">
+          <a href="{{ url_for('topic.show_topic', topic_path=topic.machine_name) }}" aria-label="{{ _('Visit Topic') }}">{{ topic.name }}</a>
+        </div>
+      <div class="col col-1">
+        {% include 'topic/_notification_toggle.html' -%}
+      </div>
+    </div>
+  </div>
+  {% else -%}
+    <p>{{ _('You have not subscribed to any topics. Use the bell icon on each topic to do so.') }}</p>
+  {% endfor -%}
+</div>
+

app/templates/user/alerts/_type.html

@@ -0,0 +1,17 @@
+<div class="btn-group mt-1 mb-2" aria-label="{{ _('Alert type: ') }}">
+    <a href="/alerts/posts/{{ filter }}" class="btn {{ 'btn-primary' if type == 'posts' else 'btn-outline-secondary' }}">
+        {{ _('Posts') }}
+    </a>
+    <a href="/alerts/comments/{{ filter }}" class="btn {{ 'btn-primary' if type == 'comments' else 'btn-outline-secondary' }}">
+        {{ _('Comments') }}
+    </a>
+    <a href="/alerts/communities/{{ filter }}" class="btn {{ 'btn-primary' if type == 'communities' else 'btn-outline-secondary' }}">
+        {{ _('Communities') }}
+    </a>
+    <a href="/alerts/topics/{{ filter }}" class="btn {{ 'btn-primary' if type == 'topics' else 'btn-outline-secondary' }}">
+        {{ _('Topics') }}
+    </a>    
+    <a href="/alerts/users/{{ filter }}" class="btn {{ 'btn-primary' if type == 'users' else 'btn-outline-secondary' }}">
+           {{ _('Users') }}
+    </a>
+</div>

app/templates/user/alerts/_users.html

@@ -0,0 +1,18 @@
+<div class="post_list">
+  <h2>{{ _('You will be notified of new posts by these users') }}</h2>
+  {% for user in entities.items %}
+    <div class="h-entry post_teaser tabindex="0">
+      <div class="row">
+        <div class="col">
+          <a href="{{ url_for('user.show_profile_by_id', user_id=user.id) }}" aria-label="{{ _('Visit User') }}">{{ user.title if user.title else user.user_name }}</a>
+        </div>
+      <div class="col col-1">
+        {% include 'user/_notification_toggle.html' %}
+      </div>
+    </div>
+  </div>
+  {% else %}
+    <p>{{ _('You have not subscribed to an alert for new content from any users. Use the bell icon on each person to do so.') }}</p>
+  {% endfor %}
+</div>
+

app/user/routes.py

@@ -12,12 +12,11 @@ from app.activitypub.signature import post_request, default_context
 from app.activitypub.util import find_actor_or_create
 from app.auth.util import random_token
 from app.community.util import save_icon_file, save_banner_file, retrieve_mods_and_backfill
-from app.constants import SUBSCRIPTION_MEMBER, SUBSCRIPTION_PENDING, NOTIF_USER, POST_TYPE_VIDEO, POST_TYPE_LINK, \
-    POST_TYPE_IMAGE, POST_TYPE_POLL
+from app.constants import *
 from app.email import send_verification_email
 from app.models import Post, Community, CommunityMember, User, PostReply, PostVote, Notification, utcnow, File, Site, \
     Instance, Report, UserBlock, CommunityBan, CommunityJoinRequest, CommunityBlock, Filter, Domain, DomainBlock, \
-    InstanceBlock, NotificationSubscription, PostBookmark, PostReplyBookmark, read_posts
+    InstanceBlock, NotificationSubscription, PostBookmark, PostReplyBookmark, read_posts, Topic
 from app.user import bp
 from app.user.forms import ProfileForm, SettingsForm, DeleteAccountForm, ReportUserForm, \
     FilterForm, KeywordFilterEditForm, RemoteFollowForm, ImportExportForm
@@ -1143,6 +1142,86 @@ def user_bookmarks_comments():
                            next_url=next_url, prev_url=prev_url)
 
 
+@bp.route('/alerts')
+@bp.route('/alerts/<type>/<filter>')
+@login_required
+def user_alerts(type='posts', filter='all'):
+    page = request.args.get('page', 1, type=int)
+    low_bandwidth = request.cookies.get('low_bandwidth', '0') == '1'
+
+    if type == 'comments':
+        if filter == 'mine':
+            entities = PostReply.query.filter_by(deleted=False, user_id=current_user.id).\
+                        join(NotificationSubscription, NotificationSubscription.entity_id == PostReply.id).\
+                        filter_by(type=NOTIF_REPLY, user_id=current_user.id).order_by(desc(NotificationSubscription.created_at))
+        elif filter == 'others':
+            entities = PostReply.query.filter(PostReply.deleted == False, PostReply.user_id != current_user.id).\
+                        join(NotificationSubscription, NotificationSubscription.entity_id == PostReply.id).\
+                        filter_by(type=NOTIF_REPLY, user_id=current_user.id).order_by(desc(NotificationSubscription.created_at))
+        else:   # default to 'all' filter
+            entities = PostReply.query.filter_by(deleted=False).\
+                        join(NotificationSubscription, NotificationSubscription.entity_id == PostReply.id).\
+                        filter_by(type=NOTIF_REPLY, user_id=current_user.id).order_by(desc(NotificationSubscription.created_at))
+        title = _('Reply Alerts')
+
+    elif type == 'communities':
+        if filter == 'mine':
+            entities = Community.query.\
+                        join(CommunityMember, CommunityMember.community_id == Community.id).\
+                        filter_by(user_id=current_user.id, is_moderator=True).\
+                        join(NotificationSubscription, NotificationSubscription.entity_id == CommunityMember.community_id).\
+                        filter_by(type=NOTIF_COMMUNITY, user_id=current_user.id).order_by(desc(NotificationSubscription.created_at))
+        elif filter == 'others':
+            entities = Community.query.\
+                        join(CommunityMember, CommunityMember.community_id == Community.id).\
+                        filter_by(user_id=current_user.id, is_moderator=False).\
+                        join(NotificationSubscription, NotificationSubscription.entity_id == CommunityMember.community_id).\
+                        filter_by(type=NOTIF_COMMUNITY, user_id=current_user.id).order_by(desc(NotificationSubscription.created_at))
+        else:   # default to 'all' filter
+            entities = Community.query.\
+                        join(NotificationSubscription, NotificationSubscription.entity_id == Community.id).\
+                        filter_by(type=NOTIF_COMMUNITY, user_id=current_user.id).order_by(desc(NotificationSubscription.created_at))
+        title = _('Community Alerts')
+
+    elif type == 'topics':
+        # ignore filter
+        entities = Topic.query.join(NotificationSubscription, NotificationSubscription.entity_id == Topic.id).\
+                        filter_by(type=NOTIF_TOPIC, user_id=current_user.id).order_by(desc(NotificationSubscription.created_at))
+        title = _('Topic Alerts')
+
+    elif type == 'users':
+        # ignore filter
+        entities = User.query.join(NotificationSubscription, NotificationSubscription.entity_id == User.id).\
+                        filter_by(type=NOTIF_USER, user_id=current_user.id).order_by(desc(NotificationSubscription.created_at))
+        title = _('User Alerts')
+
+    else:   # default to 'posts' type
+        if filter == 'mine':
+            entities = Post.query.filter_by(deleted=False, user_id=current_user.id).\
+                        join(NotificationSubscription, NotificationSubscription.entity_id == Post.id).\
+                        filter_by(type=NOTIF_POST, user_id=current_user.id).order_by(desc(NotificationSubscription.created_at))
+        elif filter == 'others':
+            entities = Post.query.filter(Post.deleted == False, Post.user_id != current_user.id).\
+                        join(NotificationSubscription, NotificationSubscription.entity_id == Post.id).\
+                        filter_by(type=NOTIF_POST, user_id=current_user.id).order_by(desc(NotificationSubscription.created_at))
+        else:   # default to 'all' filter
+            entities = Post.query.filter_by(deleted=False).\
+                        join(NotificationSubscription, NotificationSubscription.entity_id == Post.id).\
+                        filter_by(type=NOTIF_POST, user_id=current_user.id).order_by(desc(NotificationSubscription.created_at))
+        title = _('Post Alerts')
+
+    entities = entities.paginate(page=page, per_page=100 if not low_bandwidth else 50, error_out=False)
+    next_url = url_for('user.user_alerts', page=entities.next_num, type=type, filter=filter) if entities.has_next else None
+    prev_url = url_for('user.user_alerts', page=entities.prev_num, type=type, filter=filter) if entities.has_prev and page != 1 else None
+
+    return render_template('user/alerts.html', title=title, entities=entities,
+                           low_bandwidth=low_bandwidth, user=current_user, type=type, filter=filter,
+                           moderating_communities=moderating_communities(current_user.get_id()),
+                           joined_communities=joined_communities(current_user.get_id()),
+                           menu_topics=menu_topics(), site=g.site,
+                           next_url=next_url, prev_url=prev_url)
+
+
 @bp.route('/u/<actor>/fediverse_redirect', methods=['GET', 'POST'])
 def fediverse_redirect(actor):
     actor = actor.strip()