Class: KisHttp::Options

Inherits:
Object
  • Object
show all
Defined in:
lib/kis_http/options.rb

Overview

A url options builder class for outgoing requests.

Instance Method Summary collapse

Constructor Details

#initialize(args = {}) ⇒ Options

Returns a new instance of Options.



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# File 'lib/kis_http/options.rb', line 7

def initialize(args = {})
  build(args)
end

Instance Method Details

#+(other) ⇒ Options

Add the values of one ‘Options` into another

Parameters:

  • other (Options) —

    instance of ‘Options`

Returns:



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# File 'lib/kis_http/options.rb', line 98

def +(other)
  unless other.is_a? Options
    raise TypeError, "Options type expected, #{other.class} given"
  end

  update other.instance_variable_get(:@opts)

  self
end

#build(args = {}) ⇒ Options

Add or update url options

Returns:



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# File 'lib/kis_http/options.rb', line 25

def build(args = {})
  @opts ||= []

  args.to_h.each do |(key, value)|
    remove(key)
    @opts.push("#{key}=#{value}")
  end

  self
end

#fetch(key) ⇒ String

Fetch the ‘key=value`

Parameters:

  • key (Symbol, String) —

    of the key/value pair to fetch

Returns:

  • (String)

Raises:

  • (KeyError) 


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# File 'lib/kis_http/options.rb', line 40

def fetch(key)
  @opts.each do |item|
    return item if key.to_s == split.call(item).first
  end

  raise KeyError, "key not found #{key}" unless block_given?

  yield
end

#fetch!(key, &block) ⇒ String

Fetch and remove ‘key=value`. Modifies `Options`.

Parameters:

  • key (Symbol, String) —

    of the key/value pair to fetch

Returns:

  • (String) 


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# File 'lib/kis_http/options.rb', line 54

def fetch!(key, &block)
  result = fetch(key, &block)
  remove(key)
  result
end

#immutable {|Options| ... } ⇒ Object

Execute a block of code and restore original ‘Options` state afterwards

Yields:



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# File 'lib/kis_http/options.rb', line 62

def immutable
  old = @opts
  result = yield self
  @opts = old
  result
end

#opts ⇒ String

url safe rendering of options for the url

Returns:

  • (String) —

    url options



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# File 'lib/kis_http/options.rb', line 14

def opts
  if @opts.empty?
    ''
  else
    "?#{@opts.join('&')}"
  end
end

#remove(key) ⇒ String?

Remove key/value from options via key

Parameters:

  • key (Symbol, String) —

    key to look up

Returns:

  • (String, nil) —

    returns a ‘String` if key found, `nil` otherwise.



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# File 'lib/kis_http/options.rb', line 73

def remove(key)
  return_value = nil

  @opts = @opts.delete_if do |item|
    head, tail = split.call item

    return_value = tail if head == key.to_s
  end

  return_value
end

#reset! ⇒ Options

this purges all options

Returns:



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# File 'lib/kis_http/options.rb', line 88

def reset!
  @opts = []

  self
end

#to_h ⇒ Hash

Returns hash of the ‘Options`.

Returns:

  • (Hash) —

    hash of the ‘Options`



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# File 'lib/kis_http/options.rb', line 114

def to_h
  @opts.map(&split).to_h
end

#to_s ⇒ String

url safe rendering of options for the url

Returns:

  • (String) —

    url options



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# File 'lib/kis_http/options.rb', line 109

def to_s
  opts
end