server: fix include children in search

server.rb

@@ -169,6 +169,7 @@ def search(terms)
   statements << @db.prepare("SELECT id FROM part WHERE mpn LIKE ?")
   statements << @db.prepare("SELECT id FROM part WHERE description LIKE ?")
   statements << @db.prepare("SELECT property_value.part AS id FROM property_value JOIN property ON property.id = property_value.property WHERE property.name = 'category' AND property_value.value LIKE ?")
+  children = @db.prepare("SELECT id FROM part WHERE family = ?")
   term_ids = []
   terms.each do |term|
     ids = Set.new
@@ -176,17 +177,13 @@ def search(terms)
     statements.each do |statement|
       statement.execute("%#{term}%").each do |row|
         ids << row["id"]
+        children.execute(row["id"]).each do |child|
+          ids << child["id"]
+        end
       end
     end
     term_ids << ids
   end
-  # get all children
-  statement = @db.prepare("SELECT id FROM part WHERE family IN (?)")
-  term_ids.each do |term_id|
-    statement.execute(term_id.to_a * ",").each do |row|
-      term_id << row["id"]
-    end
-  end
   # AND terms
   ids = term_ids.shift
   term_ids.each do |term_id|
@@ -199,25 +196,25 @@ def search(terms)
 end
 
 get '/search/:terms' do
-  halt 429 if true == @searching
+  halt 429 if $searching
   terms = params['terms'].split(" ")
   terms.keep_if {|term| term.length >= 3}
   halt 400 if terms.empty?
-  @searching = true
+  $searching = true
   parts = search(terms)
-  @searching = false
+  $searching = false
   parts.to_json
 end
 
 get '/search?' do
-  halt 429 if true == @searching
+  halt 429 if $searching
   halt 400, "terms needed" unless params['terms']
   terms = params['terms'].split(" ")
   terms.keep_if {|term| term.length >= 3}
   halt 400 if terms.empty?
-  @searching = true
+  $searching = true
   parts = search(terms)
-  @searching = false
+  $searching = false
   parts.to_json
 end