Add remember_position field to the Preferences and VideoPreferences structs, and add a checkbox in the preferences page to toggle it

src/invidious/config.cr

@@ -42,6 +42,7 @@ struct ConfigPreferences
   property volume : Int32 = 100
   property vr_mode : Bool = true
   property show_nick : Bool = true
+  property remember_position : Bool = false
 
   def to_tuple
     {% begin %}

src/invidious/routes/preferences.cr

@@ -70,6 +70,10 @@ module Invidious::Routes::PreferencesRoute
     vr_mode ||= "off"
     vr_mode = vr_mode == "on"
 
+    remember_position = env.params.body["remember_position"]?.try &.as(String)
+    remember_position ||= "off"
+    remember_position = remember_position == "on"
+
     show_nick = env.params.body["show_nick"]?.try &.as(String)
     show_nick ||= "off"
     show_nick = show_nick == "on"
@@ -165,6 +169,7 @@ module Invidious::Routes::PreferencesRoute
       extend_desc:                 extend_desc,
       vr_mode:                     vr_mode,
       show_nick:                   show_nick,
+      remember_position:           remember_position,
     }.to_json).to_json
 
     if user = env.get? "user"

src/invidious/user/preferences.cr

@@ -53,6 +53,7 @@ struct Preferences
   property video_loop : Bool = CONFIG.default_user_preferences.video_loop
   property extend_desc : Bool = CONFIG.default_user_preferences.extend_desc
   property volume : Int32 = CONFIG.default_user_preferences.volume
+  property remember_position : Bool = CONFIG.default_user_preferences.remember_position
 
   module BoolToString
     def self.to_json(value : String, json : JSON::Builder)

src/invidious/videos.cr

@@ -246,6 +246,7 @@ struct VideoPreferences
   property video_start : Float64 | Int32
   property volume : Int32
   property vr_mode : Bool
+  property remember_position : Bool
 end
 
 struct Video
@@ -1090,6 +1091,7 @@ def process_video_params(query, preferences)
   extend_desc = query["extend_desc"]?.try { |q| (q == "true" || q == "1").to_unsafe }
   volume = query["volume"]?.try &.to_i?
   vr_mode = query["vr_mode"]?.try { |q| (q == "true" || q == "1").to_unsafe }
+  remember_position = query["remember_position"]?.try { |q| (q == "true" || q == "1").to_unsafe }
 
   if preferences
     # region ||= preferences.region
@@ -1110,6 +1112,7 @@ def process_video_params(query, preferences)
     extend_desc ||= preferences.extend_desc.to_unsafe
     volume ||= preferences.volume
     vr_mode ||= preferences.vr_mode.to_unsafe
+    remember_position ||= preferences.remember_position.to_unsafe
   end
 
   annotations ||= CONFIG.default_user_preferences.annotations.to_unsafe
@@ -1129,6 +1132,7 @@ def process_video_params(query, preferences)
   extend_desc ||= CONFIG.default_user_preferences.extend_desc.to_unsafe
   volume ||= CONFIG.default_user_preferences.volume
   vr_mode ||= CONFIG.default_user_preferences.vr_mode.to_unsafe
+  remember_position ||= CONFIG.default_user_preferences.remember_position.to_unsafe
 
   annotations = annotations == 1
   autoplay = autoplay == 1
@@ -1140,6 +1144,7 @@ def process_video_params(query, preferences)
   video_loop = video_loop == 1
   extend_desc = extend_desc == 1
   vr_mode = vr_mode == 1
+  remember_position = remember_position == 1
 
   if CONFIG.disabled?("dash") && quality == "dash"
     quality = "high"
@@ -1190,6 +1195,7 @@ def process_video_params(query, preferences)
     video_start:        video_start,
     volume:             volume,
     vr_mode:            vr_mode,
+    remember_position:  remember_position,
   })
 
   return params

src/invidious/views/preferences.ecr

@@ -116,6 +116,11 @@
                 <input name="vr_mode" id="vr_mode" type="checkbox" <% if preferences.vr_mode %>checked<% end %>>
             </div>
 
+            <div class="pure-control-group">
+                <label for="remember_position">Remember the current video time:</label>
+                <input name="remember_position" id="remember_position" type="checkbox" <% if preferences.remember_position %>checked<% end %>>
+            </div>
+
             <legend><%= translate(locale, "preferences_category_visual") %></legend>
 
             <div class="pure-control-group">