Module: CommandSearch

Defined in:
lib/command_search.rb,
lib/command_search/lexer.rb,
lib/command_search/parser.rb,
lib/command_search/aliaser.rb,
lib/command_search/optimizer.rb,
lib/command_search/normalizer.rb,
lib/command_search/backends/mysql.rb,
lib/command_search/backends/memory.rb,
lib/command_search/backends/sqlite.rb,
lib/command_search/backends/mongoer.rb,
lib/command_search/backends/postgres.rb

Defined Under Namespace

Modules: Aliaser, Lexer, Memory, Mongoer, Mysql, Normalizer, Optimizer, Parser, Postgres, Sqlite

Class Method Summary collapse

Class Method Details

.build(type, query, options) ⇒ Object 



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# File 'lib/command_search.rb', line 18

def build(type, query, options)
  aliases = options[:aliases] || {}
  fields = options[:fields] || {}
  aliased_query = Aliaser.alias(query, aliases)
  ast = Lexer.lex(aliased_query)
  Parser.parse!(ast)
  Optimizer.optimize!(ast)
  if type == :postgres
    Normalizer.normalize!(ast, fields, false)
    return Postgres.build_query(ast)
  end
  if type == :sqlite
    Normalizer.normalize!(ast, fields, false)
    return Sqlite.build_query(ast)
  end
  if type == :mysql
    Normalizer.normalize!(ast, fields, false)
    return Mysql.build_query(ast)
  end
  Normalizer.normalize!(ast, fields)
  return Mongoer.build_query(ast) if type == :mongo
  ast
end

.search(source, query, options) ⇒ Object 



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# File 'lib/command_search.rb', line 42

def search(source, query, options)
  if source.respond_to?(:mongo_client) && source.queryable
    ast = CommandSearch.build(:mongo, query, options)
    return source.where(ast)
  end
  if source.respond_to?(:postgresql_connection)
    ast = CommandSearch.build(:postgres, query, options)
    return source.where(ast)
  end
  if source.respond_to?(:sqlite3_connection)
    ast = CommandSearch.build(:sqlite, query, options)
    return source.where(ast)
  end
  if source.respond_to?(:mysql2_connection)
    ast = CommandSearch.build(:mysql, query, options)
    return source.where(ast)
  end
  ast = CommandSearch.build(:other, query, options)
  source.select { |x| CommandSearch::Memory.check(x, ast) }
end