Show available actions on embed error page

spec/env_helper.cr

@@ -0,0 +1,34 @@
+require "./spec_helper"
+
+class ContextWithPreferences < HTTP::Server::Context
+  property preferences : Preferences?
+
+  def get(key : String)
+    return preferences if key == "preferences"
+
+    super
+  end
+
+  def get?(key : String)
+    return preferences if key == "preferences"
+
+    super
+  end
+
+  def set(key : String, val : Preferences)
+    if key == "preferences"
+      self.preferences = val
+    else
+      super
+    end
+  end
+end
+
+def test_env(current_url : String, request_method : String = "GET", response : IO = String::Builder.new)
+    con = ContextWithPreferences.new(
+      HTTP::Request.new(request_method, current_url),
+      HTTP::Server::Response.new(response),
+    )
+    con.preferences = Preferences.new(CONFIG.default_user_preferences.to_tuple)
+    con
+end

spec/helpers/errors_spec.cr

@@ -0,0 +1,31 @@
+require "../env_helper"
+require "kilt"
+
+Spectator.describe "error_redirect_helper" do
+  it "shows next steps on embed page errors" do
+    current_url = "/embed/IeQT18gaB-c?si=YxBQzH-GBSTS4vBS"
+    test_env = test_env current_url
+    test_env.set "current_page", current_url
+
+    html = error_redirect_helper(test_env)
+    expect(html).to eq "<p style=\"margin-bottom: 4px;\">After which you should try to: </p>\n<ul>\n  \n    <li>\n      <a href=\"/embed/IeQT18gaB-c?si=YxBQzH-GBSTS4vBS\">Refresh</a>\n    </li>\n  \n    <li>\n      <a href=\"/redirect?referer=/embed/IeQT18gaB-c?si=YxBQzH-GBSTS4vBS\">Switch Invidious Instance</a>\n    </li>\n  \n    <li>\n      <a href=\"https://youtube.com/embed/IeQT18gaB-c?si=YxBQzH-GBSTS4vBS\">Go to YouTube</a>\n    </li>\n  \n</ul>\n"
+  end
+
+  it "shows next steps for watch pages" do
+    current_url = "/watch?v=IeQT18gaB-c?si=YxBQzH-GBSTS4vBS"
+    test_env = test_env current_url
+    test_env.set "current_page", current_url
+
+    html = error_redirect_helper(test_env)
+    expect(html).to eq "<p style=\"margin-bottom: 4px;\">After which you should try to: </p>\n<ul>\n  \n    <li>\n      <a href=\"/watch?v=IeQT18gaB-c?si=YxBQzH-GBSTS4vBS\">Refresh</a>\n    </li>\n  \n    <li>\n      <a href=\"/redirect?referer=/watch?v=IeQT18gaB-c?si=YxBQzH-GBSTS4vBS\">Switch Invidious Instance</a>\n    </li>\n  \n    <li>\n      <a href=\"https://youtube.com/watch?v=IeQT18gaB-c?si=YxBQzH-GBSTS4vBS\">Go to YouTube</a>\n    </li>\n  \n</ul>\n"
+  end
+
+  it "returns an empty string for unknown pages" do
+    current_url = "/foo"
+    test_env = test_env current_url
+    test_env.set "current_page", current_url
+
+    html = error_redirect_helper(test_env)
+    expect(html).to eq ""
+  end
+end

spec/invidious/helpers_spec.cr

@@ -1,7 +1,5 @@
 require "../spec_helper"
 
-CONFIG = Config.from_yaml(File.open("config/config.example.yml"))
-
 Spectator.describe "Helper" do
   describe "#produce_channel_search_continuation" do
     it "correctly produces token for searching a specific channel" do

spec/spec_helper.cr

@@ -10,8 +10,14 @@ require "../src/invidious/videos"
 require "../src/invidious/playlists"
 require "../src/invidious/search/ctoken"
 require "../src/invidious/trending"
+require "../src/invidious/config"
+require "../src/invidious/user/preferences.cr"
+require "../src/invidious/jobs"
+require "../src/invidious/jobs/*"
 require "spectator"
 
+CONFIG = Config.from_yaml(File.open("config/config.example.yml"))
+
 Spectator.configure do |config|
   config.fail_blank
   config.randomize

src/invidious/helpers/errors.cr

@@ -174,26 +174,19 @@ def error_redirect_helper(env : HTTP::Server::Context)
   locale = env.get("preferences").as(Preferences).locale
 
   if request_path.starts_with?("/search") || request_path.starts_with?("/watch") ||
-     request_path.starts_with?("/channel") || request_path.starts_with?("/playlist?list=PL")
+     request_path.starts_with?("/channel") || request_path.starts_with?("/playlist?list=PL") ||
+     request_path.starts_with?("/embed")
     next_steps_text = translate(locale, "next_steps_error_message")
     refresh = translate(locale, "next_steps_error_message_refresh")
     go_to_youtube = translate(locale, "next_steps_error_message_go_to_youtube")
     switch_instance = translate(locale, "Switch Invidious Instance")
+    steps = {
+      refresh => env.request.resource,
+      switch_instance => "/redirect?referer=#{env.get("current_page")}",
+      go_to_youtube => "https://youtube.com#{env.request.resource}"
+    }
 
-    return <<-END_HTML
-      <p style="margin-bottom: 4px;">#{next_steps_text}</p>
-      <ul>
-        <li>
-          <a href="#{env.request.resource}">#{refresh}</a>
-        </li>
-        <li>
-          <a href="/redirect?referer=#{env.get("current_page")}">#{switch_instance}</a>
-        </li>
-        <li>
-          <a href="https://youtube.com#{env.request.resource}">#{go_to_youtube}</a>
-        </li>
-      </ul>
-    END_HTML
+    return rendered "components/error_redirect"
   else
     return ""
   end

src/invidious/views/components/error_redirect.ecr

@@ -0,0 +1,8 @@
+<p style="margin-bottom: 4px;"><%= next_steps_text %></p>
+<ul>
+  <% steps.each do |label, href| %>
+    <li>
+      <a href="<%= href %>"><%= label %></a>
+    </li>
+  <% end %>
+</ul>