Module: Arango::Database::AQLFunctions

Included in:
Arango::Database
Defined in:
lib/arango/database/aql_functions.rb

Overview

Arango Database AQLFunctions

Instance Method Summary collapse

Instance Method Details

#create_aql_function(name, code: nil, is_deterministic: nil, &block) ⇒ Object 



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# File 'lib/arango/database/aql_functions.rb', line 14

def create_aql_function(name, code: nil, is_deterministic: nil, &block)
  if block_given?
    source_block = Parser::CurrentRuby.parse(block.source).children.last
    source_block = source_block.children.last if source_block.type == :block
    source_code = Unparser.unparse(source_block)
    ruby_header = "    args = `original_arguments`\n    RUBY\n    compiled_ruby= Opal.compile(ruby_header + source_code, parse_comments: false)\n    if compiled_ruby.start_with?('/*')\n      start_of_code = compiled_ruby.index('*/') + 3\n      compiled_ruby = compiled_ruby[start_of_code..-1]\n    end\n    code = <<~JAVASCRIPT\n    function() {\n      \"use strict\";\n      require('opal');\n      var original_arguments = Array.prototype.slice.call(arguments);\n      for (var i=0; i<original_arguments.length; i++) {\n        if (typeof original_arguments[i] === \"object\" && !(original_arguments[i] instanceof Array)) {\n          original_arguments[i] = Opal.Hash.$new(original_arguments[i]);\n        }\n      }\n      var result = \#{compiled_ruby}\n      if (typeof result['$to_n'] === \"function\") { result = result['$to_n'](); }\n      return result;\n    }\n    JAVASCRIPT\n  end\n  body = { name: name, code: code, isDeterministic: is_deterministic }\n  Arango::Requests::AQL::CreateFunction.execute(server: @server, body: body)\n  true\nend\n"

#drop_aql_function(name, namespace: nil) ⇒ Object 



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# File 'lib/arango/database/aql_functions.rb', line 48

def drop_aql_function(name, namespace: nil)
  params = nil
  params = { namespace: namespace } unless group.nil?
  args = { name: name }
  Arango::Requests::AQL::CreateFunction.execute(server: @server, args: args, params: params)
  true
end

#list_aql_functions(namespace: nil) ⇒ Object 



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# File 'lib/arango/database/aql_functions.rb', line 7

def list_aql_functions(namespace: nil)
  params = nil
  params = { namespace: namespace } unless namespace.nil?
  result = Arango::Requests::AQL::ListFunctions(server: @server, params: params)
  result.map { |r| Arango::Result.new(r) }
end