Class: Csv2hash::Definition

Inherits:
Object
  • Object
show all
Defined in:
lib/csv2hash/definition.rb

Constant Summary collapse

MAPPING = 
'mapping'
COLLECTION = 
'collection'
TYPES = 
[MAPPING, COLLECTION]

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(rules, type, options = {}) ⇒ Definition

Returns a new instance of Definition.



11
12
13
14
 
# File 'lib/csv2hash/definition.rb', line 11

def initialize rules, type, options = {}
  self.rules, self.type = rules, type
  self.header_size, self.structure_rules = options.fetch(:header_size) { 0 }, options.fetch(:structure_rules) { {} }
end

Instance Attribute Details

#header_size ⇒ Object

Returns the value of attribute header_size.



9
10
11
 
# File 'lib/csv2hash/definition.rb', line 9

def header_size
  @header_size
end

#rules ⇒ Object

Returns the value of attribute rules.



9
10
11
 
# File 'lib/csv2hash/definition.rb', line 9

def rules
  @rules
end

#structure_rules ⇒ Object

Returns the value of attribute structure_rules.



9
10
11
 
# File 'lib/csv2hash/definition.rb', line 9

def structure_rules
  @structure_rules
end

#type ⇒ Object

Returns the value of attribute type.



9
10
11
 
# File 'lib/csv2hash/definition.rb', line 9

def type
  @type
end

Instance Method Details

#default! ⇒ Object 



24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
 
# File 'lib/csv2hash/definition.rb', line 24

def default!
  rules.each do |rule|
    default_position rule
    unless rule.has_key? :message
      if rule.has_key? :values
        rule.merge! message: ':key not supported, please use one of :values'
      else
        rule.merge! message: 'undefined :key on :position'
      end
    end
    rule.merge! mappable:    true    unless rule.has_key? :mappable
    rule.merge! type:       'string' unless rule.has_key? :type
    rule.merge! values:      nil     unless rule.has_key? :values
    rule.merge! nested:      nil     unless rule.has_key? :nested
    rule.merge! allow_blank: false   unless rule.has_key? :allow_blank
    rule.merge! extra_validator: nil unless rule.has_key? :extra_validator
  end
end

#validate! ⇒ Object 



16
17
18
19
20
21
22
 
# File 'lib/csv2hash/definition.rb', line 16

def validate!
  unless TYPES.include?(type)
    raise "not suitable type, please use '#{MAPPING}' or '#{COLLECTION}'"
  end
  raise 'rules must be an Array of rules' unless rules.class == Array
  raise 'structure rules must be a Hash of rules' unless structure_rules.class == Hash
end