FEATURE: add filter support to ai bot semantic search (#222)

Previously we would bypass semantic search if any filters were
present

Also shows progress now.

lib/modules/ai_bot/commands/command.rb

@@ -100,6 +100,9 @@ module DiscourseAi
         end
 
         def show_progress(text, progress_caret: false)
+          return if !@post
+          return if !@placeholder
+
           # during tests we may have none
           caret = progress_caret ? PROGRESS_CARET : CARET
           new_placeholder = @placeholder.sub(caret, text + caret)

lib/modules/ai_bot/commands/search_command.rb

@@ -116,6 +116,9 @@ module DiscourseAi::AiBot::Commands
           .join(" ")
 
       @last_query = search_string
+
+      show_progress(localized_description)
+
       results =
         Search.execute(
           search_string.to_s + " status:public",
@@ -129,7 +132,6 @@ module DiscourseAi::AiBot::Commands
 
       should_try_semantic_search = SiteSetting.ai_embeddings_semantic_search_enabled
       should_try_semantic_search &&= (limit == MAX_RESULTS)
-      should_try_semantic_search &&= (search_args.keys - %i[search_query order]).length == 0
       should_try_semantic_search &&= (search_args[:search_query].present?)
 
       limit = limit - MIN_SEMANTIC_RESULTS if should_try_semantic_search
@@ -141,9 +143,12 @@ module DiscourseAi::AiBot::Commands
         semantic_search = DiscourseAi::Embeddings::SemanticSearch.new(Guardian.new())
         topic_ids = Set.new(posts.map(&:topic_id))
 
-        semantic_search
-          .search_for_topics(search_args[:search_query])
-          .each do |post|
+        search = Search.new(search_string, guardian: Guardian.new)
+
+        results = semantic_search.search_for_topics(search.term)
+        results = search.apply_filters(results)
+
+        results.each do |post|
           next if topic_ids.include?(post.topic_id)
 
           topic_ids << post.topic_id

spec/lib/modules/ai_bot/commands/search_command_spec.rb

@@ -69,9 +69,9 @@ RSpec.describe DiscourseAi::AiBot::Commands::SearchCommand do
           .expects(:asymmetric_topics_similarity_search)
           .returns([post1.topic_id])
 
-        results = search.process(search_query: "hello world, sam")
+        results = search.process(search_query: "hello world, sam", status: "public")
 
-        expect(results[:args]).to eq({ search_query: "hello world, sam" })
+        expect(results[:args]).to eq({ search_query: "hello world, sam", status: "public" })
         expect(results[:rows].length).to eq(1)
       end
     end