Class: CloudRailSi::ServiceCode::Helper

Inherits:
Object
  • Object
show all
Defined in:
lib/cloudrail_si/helpers/Helper.rb

Class Method Summary collapse

Class Method Details

.add_all(target, source) ⇒ Object 



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# File 'lib/cloudrail_si/helpers/Helper.rb', line 11

def add_all(target, source)
    target.concat(source)
end

.assert(expression) ⇒ Object

Raises:



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# File 'lib/cloudrail_si/helpers/Helper.rb', line 62

def assert(expression)
    debug if !expression
    raise Errors::InternalError.new("Assertion failed") if (!expression)
end

.clear(target) ⇒ Object 



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# File 'lib/cloudrail_si/helpers/Helper.rb', line 19

def clear(target)
	target.each do |key|
        delete target[key]
    end
end

.compare(a_obj, b_obj) ⇒ Object

Raises:



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# File 'lib/cloudrail_si/helpers/Helper.rb', line 74

def compare(a_obj, b_obj)
    result = (a_obj <=> b_obj)
    raise Errors::InternalError.new("Compare compares incomparable values") if result.nil?

    return result
end

.debug ⇒ Object

Only debug if allowed by env



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# File 'lib/cloudrail_si/helpers/Helper.rb', line 58

def debug
    byebug if (ENV['cloudrail_ruby_debug']==='true')
end

.dump_stream(stream, target_encoding = nil) ⇒ Object 



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# File 'lib/cloudrail_si/helpers/Helper.rb', line 80

def dump_stream(stream, target_encoding=nil)
    contents = stream.string
    contents = contents.force_encoding(target_encoding) unless target_encoding.nil?
    return contents
end

.is_array(object) ⇒ Object 



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# File 'lib/cloudrail_si/helpers/Helper.rb', line 135

def is_array(object)
	object.is_a?(Array)
end

.is_boolean(object) ⇒ Object 



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# File 'lib/cloudrail_si/helpers/Helper.rb', line 39

def is_boolean(object)
	(object == true) || (object == false)
end

.is_number(object) ⇒ Object 



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# File 'lib/cloudrail_si/helpers/Helper.rb', line 36

def is_number(object)
	object.is_a? Numeric
end

.is_number_string(obj) ⇒ Object 



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# File 'lib/cloudrail_si/helpers/Helper.rb', line 45

def is_number_string(obj)
    Float obj rescue nil  # http://stackoverflow.com/questions/1235863/test-if-a-string-is-basically-an-integer-in-quotes-using-ruby
end

.is_object(object) ⇒ Object 



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# File 'lib/cloudrail_si/helpers/Helper.rb', line 30

def is_object(object)
    (!is_string(object)) && (!is_sandbox(object)) && object.is_a?(Object) && !object.nil?
end

.is_sandbox(object) ⇒ Object 



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# File 'lib/cloudrail_si/helpers/Helper.rb', line 33

def is_sandbox(object)
    object.instance_variable_get(:@is_sandbox)
end

.is_stream(obj) ⇒ Object 



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# File 'lib/cloudrail_si/helpers/Helper.rb', line 48

def is_stream(obj)
    return obj.class.to_s == 'StringIO'
end

.is_string(object) ⇒ Object 



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# File 'lib/cloudrail_si/helpers/Helper.rb', line 27

def is_string(object)
	object.is_a? String
end

.is_var_address(object) ⇒ Object 



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# File 'lib/cloudrail_si/helpers/Helper.rb', line 42

def is_var_address(object)
    !object.instance_variable_get(:@address_string).nil?
end

.log(str) ⇒ Object

Only print if allowed by env



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# File 'lib/cloudrail_si/helpers/Helper.rb', line 53

def log(str)
    print str if (ENV['cloudrail_ruby_print']==='true')
end

.lower_case_first_letter(str) ⇒ Object 



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# File 'lib/cloudrail_si/helpers/Helper.rb', line 129

def lower_case_first_letter(str)
    return str[0].downcase + str[1..-1]
end

.make_request(url_string, headers, body, method) ⇒ Object

TODO: add stream support TODO: add faraday support



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# File 'lib/cloudrail_si/helpers/Helper.rb', line 96

def make_request(url_string, headers, body, method)
    Helper.log "\nmake_request_headers #{headers}\n" if headers
    Helper.log "\nmake_request_url: #{url_string}\n"
    uri = URI.parse(url_string)
    use_ssl = uri.scheme == 'https'
    Net::HTTP.start(uri.host, uri.port, use_ssl: use_ssl, open_timeout: 30, read_timeout: 30) do |http|
        if (method.downcase == 'get')
            req = Net::HTTP::Get.new uri, headers
        elsif (method.downcase == 'post')
            req = Net::HTTP::Post.new uri, headers
        elsif (method.downcase == 'delete')
            req = Net::HTTP::Delete.new uri, headers
        elsif (method.downcase == 'put')
            req = Net::HTTP::Put.new uri, headers
        elsif (method.downcase == 'patch')
            req = Net::HTTP::Patch.new uri, headers
        else
            raise Errors::InternalError.new("Unexpected method for make_request: #{method}.")
        end

        req.body = body

        req.body = dump_stream(req.body) if is_stream(req.body)
        Helper.log "make_request_body: #{req.body}\n"

        response = http.request(req)

        return response
    end

    #TODO: support redirects
end

.put_all(target, source) ⇒ Object 



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# File 'lib/cloudrail_si/helpers/Helper.rb', line 14

def put_all(target, source)
	source.each do |key|
        target[key] = source[key]
    end
end

.remove(target, element) ⇒ Object 



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# File 'lib/cloudrail_si/helpers/Helper.rb', line 24

def remove(target, element)
    target.delete(element)
end

.resolve(environment, value, check_existence = true) ⇒ Object 



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# File 'lib/cloudrail_si/helpers/Helper.rb', line 66

def resolve(environment, value, check_existence=true)
    check_existence = true if (check_existence === 0)
    if is_var_address(value)
        return environment.get_variable(value, -1, !check_existence)
    else
        return value
    end
end

.streamify_string(str, source_encoding) ⇒ Object 



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# File 'lib/cloudrail_si/helpers/Helper.rb', line 85

def streamify_string(str, source_encoding)
    res_stream = StringIO.new
    res_stream.set_encoding(source_encoding) unless source_encoding.nil?
    res_stream.write(str)
    res_stream.write(nil)

    return res_stream
end

.to_snake_case(str) ⇒ Object

via stackoverflow.com/questions/1509915/converting-camel-case-to-underscore-case-in-ruby



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# File 'lib/cloudrail_si/helpers/Helper.rb', line 140

def to_snake_case(str)
    str.gsub(/::/, '/').
    gsub(/([A-Z]+)([A-Z][a-z])/,'\1_\2').
    gsub(/([a-z\d])([A-Z])/,'\1_\2').
    tr("-", "_").
    downcase
end

.upper_case_first_letter(str) ⇒ Object 



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# File 'lib/cloudrail_si/helpers/Helper.rb', line 132

def upper_case_first_letter(str)
    return str[0].upcase + str[1..-1]
end