feat: add support for community backends (volunteers that host invidious companion for the instance)

src/invidious/config.cr

@@ -59,6 +59,7 @@ struct ConfigPreferences
   property hidden_channels : Array(String)? = nil
   @[YAML::Field(ignore: true)]
   property default_trending_type : Invidious::Routes::Feeds::TrendingTypes = Invidious::Routes::Feeds::TrendingTypes::Default
+  property show_community_backends : Bool = false
 
   def to_tuple
     {% begin %}
@@ -95,6 +96,7 @@ class Config
 
     property note : String = ""
     property domain : Array(String) = [] of String
+    property community : Bool = false
 
     # Indicates if this companion instance uses the built-in proxy
     property builtin_proxy : Bool = false

src/invidious/routes/preferences.cr

@@ -172,6 +172,10 @@ module Invidious::Routes::PreferencesRoute
     default_trending_type = env.params.body["default_trending_type"]?.try &.as(String)
     default_trending_type ||= Invidious::Routes::Feeds::TrendingTypes::Default
 
+    show_community_backends = env.params.body["show_community_backends"]?.try &.as(String)
+    show_community_backends ||= "off"
+    show_community_backends= show_community_backends == "on"
+
     # Convert to JSON and back again to take advantage of converters used for compatibility
     preferences = Preferences.from_json({
       annotations:                 annotations,
@@ -211,6 +215,7 @@ module Invidious::Routes::PreferencesRoute
       default_playlist:            default_playlist,
       hidden_channels:             hidden_channels,
       default_trending_type:       default_trending_type,
+      show_community_backends:     show_community_backends,
     }.to_json)
 
     if user = env.get? "user"

src/invidious/user/preferences.cr

@@ -59,6 +59,7 @@ struct Preferences
   property hidden_channels : Array(String)? = nil
   property default_trending_type : Invidious::Routes::Feeds::TrendingTypes = Invidious::Routes::Feeds::TrendingTypes::Default
   property default_playlist : String? = nil
+  property show_community_backends : Bool = false
 
   module BoolToString
     def self.to_json(value : String, json : JSON::Builder)

src/invidious/views/template.ecr

@@ -119,6 +119,7 @@
                     <b>Switch Backend:</b>
                     <% if domain %>
                         <% CONFIG.invidious_companion.each_with_index do | companion, index | %>
+                        <% next if companion.community && !preferences.show_community_backends %>
                         <% host_backend = env.request.headers["Host"].sub(/([^.]+)(\d+)/, "\\1#{index+1}") %>
                         <% is_current_backend_host = host_backend == env.request.headers["Host"] %>
                             <a href="<%= scheme %>://<%= host_backend %><%= env.request.resource %>" style="<%= is_current_backend_host ? "text-decoration-line: underline;" : "" %> display: inline-block;">
@@ -136,6 +137,7 @@
                     <% else %>
                         <% current_page = env.get("current_page") %>
                         <% CONFIG.invidious_companion.each_with_index do | companion, index | %>
+                        <% next if companion.community && !preferences.show_community_backends %>
                             <a href="/switchbackend?backend_id=<%= index.to_s %>&referer=<%= current_page %>" style="<%= current_backend == index ? "text-decoration-line: underline;" : "" %> display: inline-block;">
                                 <%= HTML.escape(CONFIG.backend_name_prefix + (index + 1).to_s) %> <%= HTML.escape(companion.note) %>
                                 <span style="color:

src/invidious/views/user/preferences.ecr

@@ -235,6 +235,12 @@
                 <input name="automatic_instance_redirect" id="automatic_instance_redirect" type="checkbox" <% if preferences.automatic_instance_redirect %>checked<% end %>>
             </div>
 
+            <div class="pure-control-group">
+                <label for="show_community_backends"><%= translate(locale, "preferences_show_community_backends_label") %></label>
+                <input name="show_community_backends" id="show_community_backends" type="checkbox" <% if preferences.show_community_backends %>checked<% end %>>
+                <span class="preference-description"><%= translate(locale, "preferences_show_community_backends_description") %></span>
+            </div>
+
             <div class="pure-control-group">
                 <label for="hidden_channels"><%= translate(locale, "preferences_hidden_channels") %></label>
                 <% hidden_channels = preferences.hidden_channels %>