Module: Checkr::Util

Defined in:
lib/checkr/util.rb

Class Method Summary collapse

Class Method Details

.constantize(str, prefix = false) ⇒ Object 



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# File 'lib/checkr/util.rb', line 78

def self.constantize(str, prefix=false)
  p = "#{self.name}".split("::").first
  if "#{str}".split("::").first != p
    str = "#{p}::#{str}"
  end
  str.split('::').reduce(Module, :const_get)
end

.escape(val) ⇒ Object 



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# File 'lib/checkr/util.rb', line 42

def self.escape(val)
  ERB::Util.url_encode(val.to_s)
end

.query_array(params, key_prefix = nil) ⇒ Object

Three major use cases (and nesting of them needs to be supported):

{ :a => { :b => "bvalue" } }  => ["a[b]=bvalue"]
{ :a => [1, 2] }           => ["a[]=1", "a[]=2"]
{ :a => "value" }          => ["a=value"]



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# File 'lib/checkr/util.rb', line 18

def self.query_array(params, key_prefix=nil)
  ret = []
  params.each do |key, value|
    if params.is_a?(Array)
      value = key
      key = ''
    end
    key_suffix = escape(key)
    full_key = key_prefix ? "#{key_prefix}[#{key_suffix}]" : key_suffix

    if value.is_a?(Hash) || value.is_a?(Array)
      # Handles the following cases:
      #   { :a => { :b => "bvalue" } }  => ["a[b]=bvalue"]
      #   { :a => [1, 2] }           => ["a[]=1", "a[]=2"]
      ret += query_array(value, full_key)
    else
      # Handles the base case with just key and value:
      #   { :a => "value" } => ["a=value"]
      ret << "#{full_key}=#{escape(value)}"
    end
  end
  ret
end

.query_string(params) ⇒ Object 



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# File 'lib/checkr/util.rb', line 6

def self.query_string(params)
  if params && params.any?
    return query_array(params).join('&')
  else
    return ""
  end
end

.sorta_deep_clone(json) ⇒ Object 



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# File 'lib/checkr/util.rb', line 60

def self.sorta_deep_clone(json)
  if json.is_a?(Hash)
    ret = {}
    json.each do |k, v|
      ret[k] = sorta_deep_clone(v)
    end
    ret
  elsif json.is_a?(Array)
    json.map{ |j| sorta_deep_clone(j) }
  else
    begin
      json.dup
    rescue
      json
    end
  end
end

.symbolize_keys(obj) ⇒ Object 



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# File 'lib/checkr/util.rb', line 46

def self.symbolize_keys(obj)
  if obj.is_a?(Hash)
    ret = {}
    obj.each do |key, value|
      ret[(key.to_sym rescue key) || key] = symbolize_keys(value)
    end
    return ret
  elsif obj.is_a?(Array)
    return obj.map{ |value| symbolize_keys(value) }
  else
    return obj
  end
end