Create a search processors module

src/invidious.cr

@@ -35,6 +35,7 @@ require "./invidious/frontend/*"
 require "./invidious/*"
 require "./invidious/channels/*"
 require "./invidious/user/*"
+require "./invidious/search/*"
 require "./invidious/routes/**"
 require "./invidious/jobs/**"
 

src/invidious/routes/api/v1/channels.cr

@@ -262,7 +262,7 @@ module Invidious::Routes::API::V1::Channels
     page = env.params.query["page"]?.try &.to_i?
     page ||= 1
 
-    search_results = channel_search(query, page, ucid)
+    search_results = Invidious::Search::Processors.channel(query, page, ucid)
     JSON.build do |json|
       json.array do
         search_results.each do |item|

src/invidious/search.cr

@@ -5,35 +5,6 @@ class ChannelSearchException < InfoException
   end
 end
 
-def channel_search(query, page, channel) : Array(SearchItem)
-  response = YT_POOL.client &.get("/channel/#{channel}")
-
-  if response.status_code == 404
-    response = YT_POOL.client &.get("/user/#{channel}")
-    response = YT_POOL.client &.get("/c/#{channel}") if response.status_code == 404
-    initial_data = extract_initial_data(response.body)
-    ucid = initial_data.dig?("header", "c4TabbedHeaderRenderer", "channelId").try(&.as_s?)
-    raise ChannelSearchException.new(channel) if !ucid
-  else
-    ucid = channel
-  end
-
-  continuation = produce_channel_search_continuation(ucid, query, page)
-  response_json = YoutubeAPI.browse(continuation)
-
-  continuation_items = response_json["onResponseReceivedActions"]?
-    .try &.[0]["appendContinuationItemsAction"]["continuationItems"]
-
-  return [] of SearchItem if !continuation_items
-
-  items = [] of SearchItem
-  continuation_items.as_a.select(&.as_h.has_key?("itemSectionRenderer")).each do |item|
-    extract_item(item["itemSectionRenderer"]["contents"].as_a[0]).try { |t| items << t }
-  end
-
-  return items
-end
-
 def search(query, search_params = produce_search_params(content_type: "all"), region = nil) : Array(SearchItem)
   return [] of SearchItem if query.empty?
 
@@ -175,11 +146,6 @@ def produce_channel_search_continuation(ucid, query, page)
 end
 
 def process_search_query(query, page, user, region)
-  if user
-    user = user.as(Invidious::User)
-    view_name = "subscriptions_#{sha256(user.email)}"
-  end
-
   channel = nil
   content_type = "all"
   date = ""
@@ -215,16 +181,11 @@ def process_search_query(query, page, user, region)
   search_query = (query.split(" ") - operators).join(" ")
 
   if channel
-    items = channel_search(search_query, page, channel)
+    items = Invidious::Search::Processors.channel(search_query, page, channel)
   elsif subscriptions
-    if view_name
-      items = PG_DB.query_all("SELECT id,title,published,updated,ucid,author,length_seconds FROM (
-      SELECT *,
-      to_tsvector(#{view_name}.title) ||
-      to_tsvector(#{view_name}.author)
-      as document
-      FROM #{view_name}
-      ) v_search WHERE v_search.document @@ plainto_tsquery($1) LIMIT 20 OFFSET $2;", search_query, (page - 1) * 20, as: ChannelVideo)
+    if user
+      user = user.as(Invidious::User)
+      items = Invidious::Search::Processors.subscriptions(query, page, user)
     else
       items = [] of ChannelVideo
     end

src/invidious/search/processors.cr

@@ -0,0 +1,54 @@
+module Invidious::Search
+  module Processors
+    extend self
+
+    # Search a youtube channel
+    # TODO: clean code, and rely more on YoutubeAPI
+    def channel(query, page, channel) : Array(SearchItem)
+      response = YT_POOL.client &.get("/channel/#{channel}")
+
+      if response.status_code == 404
+        response = YT_POOL.client &.get("/user/#{channel}")
+        response = YT_POOL.client &.get("/c/#{channel}") if response.status_code == 404
+        initial_data = extract_initial_data(response.body)
+        ucid = initial_data.dig?("header", "c4TabbedHeaderRenderer", "channelId").try(&.as_s?)
+        raise ChannelSearchException.new(channel) if !ucid
+      else
+        ucid = channel
+      end
+
+      continuation = produce_channel_search_continuation(ucid, query, page)
+      response_json = YoutubeAPI.browse(continuation)
+
+      continuation_items = response_json["onResponseReceivedActions"]?
+        .try &.[0]["appendContinuationItemsAction"]["continuationItems"]
+
+      return [] of SearchItem if !continuation_items
+
+      items = [] of SearchItem
+      continuation_items.as_a.select(&.as_h.has_key?("itemSectionRenderer")).each do |item|
+        extract_item(item["itemSectionRenderer"]["contents"].as_a[0]).try { |t| items << t }
+      end
+
+      return items
+    end
+
+    # Search inside of user subscriptions
+    def subscriptions(query, page, user : Invidious::User) : Array(ChannelVideo)
+      view_name = "subscriptions_#{sha256(user.email)}"
+
+      return PG_DB.query_all("
+        SELECT id,title,published,updated,ucid,author,length_seconds
+        FROM (
+          SELECT *,
+          to_tsvector(#{view_name}.title) ||
+          to_tsvector(#{view_name}.author)
+          as document
+          FROM #{view_name}
+        ) v_search WHERE v_search.document @@ plainto_tsquery($1) LIMIT 20 OFFSET $2;",
+        query, (page - 1) * 20,
+        as: ChannelVideo
+      )
+    end
+  end
+end