Class: TrailblazerScaffold::Contract::Generate

Inherits:
Object
  • Object
show all
Defined in:
lib/trailblazer_scaffold/contract/generate.rb

Constant Summary collapse

BLACKLIST_COLUMNS = 
%w(id created_at updated_at)
PROPERTY_TYPES = 
%i(integer float boolean)

Instance Method Summary collapse

Instance Method Details

#call(model) ⇒ Object 



8
9
10
11
12
13
14
 
# File 'lib/trailblazer_scaffold/contract/generate.rb', line 8

def call(model)
  model_path = model.to_s.downcase.split('::').join('/')
  dir_path = Rails.root.join('app/concepts', model_path, 'contract')
  FileUtils.mkdir_p(dir_path) unless File.directory?(dir_path)
  file_name = 'base.rb'
  File.write((dir_path + file_name), generate_class_text(model))
end

#generate_class_text(model) ⇒ Object 



16
17
18
19
20
21
22
23
 
# File 'lib/trailblazer_scaffold/contract/generate.rb', line 16

def generate_class_text(model)
  klass_text = "class #{model}\n  class Contract::Base < Reform::Form\n"
  properties = get_properties(model)
  properties.each do |property|
    klass_text += "    property :#{property[:name]}#{validation(property)}\n"
  end
  klass_text +=  "  end\nend\n"
end

#get_properties(model) ⇒ Object 



25
26
27
28
29
30
 
# File 'lib/trailblazer_scaffold/contract/generate.rb', line 25

def get_properties(model)
  model.columns.map do |column|
    next if BLACKLIST_COLUMNS.include? column.name
    { name: column.name, allow_null: column.default || column.null, type: column.type }
  end.compact
end

#validate_presence(allow_null) ⇒ Object 



51
52
53
54
 
# File 'lib/trailblazer_scaffold/contract/generate.rb', line 51

def validate_presence(allow_null)
  return if allow_null
  ' presence: true'
end

#validation(property) ⇒ Object 



32
33
34
35
36
37
 
# File 'lib/trailblazer_scaffold/contract/generate.rb', line 32

def validation(property)
  presence_validation = validate_presence(property[:allow_null])
  type_validation = validation_type(property[:type])
  return unless presence_validation || type_validation
  ", validates: {#{[presence_validation, type_validation].compact.join(',')} }"
end

#validation_type(type) ⇒ Object 



39
40
41
42
43
44
45
46
47
48
49
 
# File 'lib/trailblazer_scaffold/contract/generate.rb', line 39

def validation_type(type)
  return  unless PROPERTY_TYPES.include?(type)
  case type
  when :integer
    ' numericality: { only_integer: true }'
  when :float
    ' numericality: { only_float: true }'
  when :boolean
    ' inclusion: { in: [true, false] }'
  end
end