From a2a2785f0b85f1ea90f2cea2d358b20500ee224d Mon Sep 17 00:00:00 2001
From: Bianca Nenciu <nbianca@users.noreply.github.com>
Date: Fri, 9 Feb 2024 19:59:38 +0200
Subject: [PATCH] FIX: Look up all channel hashtags (#25617)

---
 plugins/chat/lib/chat/channel_fetcher.rb      |  1 -
 .../hashtag_autocomplete_service_spec.rb      | 26 +++++++++++++++++++
 2 files changed, 26 insertions(+), 1 deletion(-)
 create mode 100644 plugins/chat/spec/services/hashtag_autocomplete_service_spec.rb

diff --git a/plugins/chat/lib/chat/channel_fetcher.rb b/plugins/chat/lib/chat/channel_fetcher.rb
index 9daaf6908f1..6680aed3f9f 100644
--- a/plugins/chat/lib/chat/channel_fetcher.rb
+++ b/plugins/chat/lib/chat/channel_fetcher.rb
@@ -80,7 +80,6 @@ module Chat
         .where(chatable_type: Chat::Channel.public_channel_chatable_types)
         .where("chat_channels.id IN (#{allowed_channel_ids})")
         .where("chat_channels.slug IN (:slugs)", slugs: slugs)
-        .limit(1)
     end
 
     def self.secured_public_channel_search(guardian, options = {})
diff --git a/plugins/chat/spec/services/hashtag_autocomplete_service_spec.rb b/plugins/chat/spec/services/hashtag_autocomplete_service_spec.rb
new file mode 100644
index 00000000000..da3075b304e
--- /dev/null
+++ b/plugins/chat/spec/services/hashtag_autocomplete_service_spec.rb
@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+RSpec.describe HashtagAutocompleteService do
+  subject(:service) { described_class.new(guardian) }
+
+  fab!(:channel1) { Fabricate(:chat_channel, name: "Music Lounge", slug: "music") }
+  fab!(:channel2) { Fabricate(:chat_channel, name: "Random", slug: "random") }
+
+  fab!(:admin)
+  let(:guardian) { Guardian.new(admin) }
+
+  describe ".enabled_data_sources" do
+    it "only returns data sources that are enabled" do
+      expect(HashtagAutocompleteService.enabled_data_sources).to include(
+        Chat::ChannelHashtagDataSource,
+      )
+    end
+  end
+
+  describe "#lookup" do
+    it "returns hashtags for channels" do
+      result = service.lookup(%w[music::channel random::channel], ["channel"])
+      expect(result[:channel].map(&:slug)).to contain_exactly("music", "random")
+    end
+  end
+end