Add new public status index (#26344)

Co-authored-by: Eugen Rochko <eugen@zeonfederated.com>
Co-authored-by: Claire <claire.github-309c@sitedethib.com>

app/services/statuses_search_service.rb

@@ -0,0 +1,75 @@
+# frozen_string_literal: true
+
+class StatusesSearchService < BaseService
+  def call(query, account = nil, options = {})
+    @query   = query&.strip
+    @account = account
+    @options = options
+    @limit   = options[:limit].to_i
+    @offset  = options[:offset].to_i
+
+    status_search_results
+  end
+
+  private
+
+  def status_search_results
+    definition = parsed_query.apply(
+      StatusesIndex.filter(
+        bool: {
+          should: [
+            publicly_searchable,
+            non_publicly_searchable,
+          ],
+
+          minimum_should_match: 1,
+        }
+      )
+    )
+
+    # This is the best way to submit identical queries to multi-indexes though chewy
+    definition.instance_variable_get(:@parameters)[:indices].value[:indices] << PublicStatusesIndex
+
+    results             = definition.collapse(field: :id).order(_id: { order: :desc }).limit(@limit).offset(@offset).objects.compact
+    account_ids         = results.map(&:account_id)
+    account_domains     = results.map(&:account_domain)
+    preloaded_relations = @account.relations_map(account_ids, account_domains)
+
+    results.reject { |status| StatusFilter.new(status, @account, preloaded_relations).filtered? }
+  rescue Faraday::ConnectionFailed, Parslet::ParseFailed
+    []
+  end
+
+  def publicly_searchable
+    {
+      bool: {
+        must_not: {
+          exists: {
+            field: 'searchable_by',
+          },
+        },
+      },
+    }
+  end
+
+  def non_publicly_searchable
+    {
+      bool: {
+        must: [
+          {
+            exists: {
+              field: 'searchable_by',
+            },
+          },
+          {
+            term: { searchable_by: @account.id },
+          },
+        ],
+      },
+    }
+  end
+
+  def parsed_query
+    SearchQueryTransformer.new.apply(SearchQueryParser.new.parse(@query))
+  end
+end