Module: Sailthru::Helpers

Included in:
SailthruClient
Defined in:
lib/sailthru.rb

Instance Method Summary collapse

Instance Method Details

#extract_param_values(params) ⇒ Object

params:

params, Hash

returns:

Array, values of each item in the Hash (and nested hashes)

Extracts the values of a set of parameters, recursing into nested assoc arrays.



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# File 'lib/sailthru.rb', line 24

def extract_param_values(params)
  values = []
  params.each do |k, v|
    if v.class == Hash
      values.concat extract_param_values(v)
   elsif v.class == Array
      temp_hash = Hash.new()
      v.each_with_index do |v_,i_|
        temp_hash[i_.to_s] = v_
      end
      values.concat extract_param_values(temp_hash)
    else
      values.push v.to_s
    end
  end
  return values
end

#flatten_nested_hash(hash, brackets = true) ⇒ Object

Flatten nested hash for GET / POST request.



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# File 'lib/sailthru.rb', line 67

def flatten_nested_hash(hash, brackets = true)
  f = {}
  hash.each do |key, value|
    _key = brackets ? "[#{key}]" : key.to_s
    if value.class == Hash
      flatten_nested_hash(value).each do |k, v|
        f["#{_key}#{k}"] = v
      end
    elsif value.class == Array
      temp_hash = Hash.new()
      value.each_with_index do |v, i|
         temp_hash[i.to_s] = v
      end
      flatten_nested_hash(temp_hash).each do |k, v|
        f["#{_key}#{k}"] = v
      end

    else
      f[_key] = value
    end
  end
  return f
end

#get_signature_hash(params, secret) ⇒ Object

params:

params, Hash
secret, String

returns:

String

Returns an MD5 hash of the signature string for an API call.



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# File 'lib/sailthru.rb', line 61

def get_signature_hash(params, secret)
  Digest::MD5.hexdigest(get_signature_string(params, secret)).to_s
end

#get_signature_string(params, secret) ⇒ Object

params:

params, Hash
secret, String

returns:

String

Returns the unhashed signature string (secret + sorted list of param values) for an API call.



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# File 'lib/sailthru.rb', line 49

def get_signature_string(params, secret)
  return secret + extract_param_values(params).sort.join("")
end