Class: OnForm::CollectionWrapper

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/on_form/collection_wrapper.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(parent, association_name, collection_form_class, allow_insert: true, allow_update: true, allow_destroy: false, reject_if: nil) ⇒ CollectionWrapper

Returns a new instance of CollectionWrapper.



9
10
11
12
13
14
15
16
17
18
19
 
# File 'lib/on_form/collection_wrapper.rb', line 9

def initialize(parent, association_name, collection_form_class, allow_insert: true, allow_update: true, allow_destroy: false, reject_if: nil)
  @parent = parent
  @association_name = association_name
  @association = parent.association(association_name)
  @association_proxy = parent.send(association_name)
  @collection_form_class = collection_form_class
  @allow_insert, @allow_update, @allow_destroy, @reject_if = allow_insert, allow_update, allow_destroy, reject_if
  @wrapped_records = {}
  @wrapped_new_records = []
  @loaded_forms = []
end

Instance Attribute Details

#allow_destroy ⇒ Object (readonly)

Returns the value of attribute allow_destroy.



4
5
6
 
# File 'lib/on_form/collection_wrapper.rb', line 4

def allow_destroy
  @allow_destroy
end

#allow_insert ⇒ Object (readonly)

Returns the value of attribute allow_insert.



4
5
6
 
# File 'lib/on_form/collection_wrapper.rb', line 4

def allow_insert
  @allow_insert
end

#allow_update ⇒ Object (readonly)

Returns the value of attribute allow_update.



4
5
6
 
# File 'lib/on_form/collection_wrapper.rb', line 4

def allow_update
  @allow_update
end

#association_name ⇒ Object (readonly)

Returns the value of attribute association_name.



4
5
6
 
# File 'lib/on_form/collection_wrapper.rb', line 4

def association_name
  @association_name
end

#collection_form_class ⇒ Object (readonly)

Returns the value of attribute collection_form_class.



4
5
6
 
# File 'lib/on_form/collection_wrapper.rb', line 4

def collection_form_class
  @collection_form_class
end

#parent ⇒ Object (readonly)

Returns the value of attribute parent.



4
5
6
 
# File 'lib/on_form/collection_wrapper.rb', line 4

def parent
  @parent
end

#reject_if ⇒ Object (readonly)

Returns the value of attribute reject_if.



4
5
6
 
# File 'lib/on_form/collection_wrapper.rb', line 4

def reject_if
  @reject_if
end

Instance Method Details

#each ⇒ Object 



25
26
27
 
# File 'lib/on_form/collection_wrapper.rb', line 25

def each
  @association_proxy.each { |record| yield wrapped_record(record) }
end

#form_errors? ⇒ Boolean

Returns:

  • (Boolean) 


49
50
51
 
# File 'lib/on_form/collection_wrapper.rb', line 49

def form_errors?
  @loaded_forms.map(&:form_errors?).any?
end

#parse_collection_attributes(params) ⇒ Object 



57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
 
# File 'lib/on_form/collection_wrapper.rb', line 57

def parse_collection_attributes(params)
  params = params.values unless params.is_a?(Array)

  records_to_insert = []
  records_to_update = {}
  records_to_destroy = []

  params.each do |attributes|
    destroy = self.class.boolean_type.cast(attributes['_destroy']) || self.class.boolean_type.cast(attributes[:_destroy])
    if id = attributes['id'] || attributes[:id]
      if destroy
        records_to_destroy << id.to_i if allow_destroy
      elsif allow_update && !call_reject_if(attributes)
        records_to_update[id.to_i] = attributes.except('id', :id, '_destroy', :destroy)
      end
    elsif !destroy && allow_insert && !call_reject_if(attributes)
      records_to_insert << attributes.except('_destroy', :destroy)
    end
  end

  to_a if @association_proxy.loaded?
  records_to_load = records_to_update.keys + records_to_destroy - @wrapped_records.keys.collect(&:id)
  @association_proxy.find(records_to_load).each do |record|
    @association.add_to_target(record, :skip_callbacks)
    wrapped_record(record)
  end
  loaded_forms_by_id = @wrapped_records.values.index_by(&:id)

  records_to_insert.each do |attributes|
    wrapped_record(@association_proxy.build).attributes = attributes
  end

  records_to_update.each do |id, attributes|
    loaded_forms_by_id[id].attributes = attributes
  end

  records_to_destroy.each do |id|
    loaded_forms_by_id[id].mark_for_destruction
  end

  params
end

#reset_forms_errors ⇒ Object 



53
54
55
 
# File 'lib/on_form/collection_wrapper.rb', line 53

def reset_forms_errors
  @loaded_forms.collect(&:reset_errors)
end

#save_forms(validate: true) ⇒ Object 



33
34
35
36
37
38
39
40
41
 
# File 'lib/on_form/collection_wrapper.rb', line 33

def save_forms(validate: true)
  @loaded_forms.each do |form|
    if form.marked_for_destruction?
      form.record.destroy
    else
      form.save!(validate: validate)
    end
  end
end

#size ⇒ Object 



29
30
31
 
# File 'lib/on_form/collection_wrapper.rb', line 29

def size
  @association_proxy.size
end

#to_ary ⇒ Object 



21
22
23
 
# File 'lib/on_form/collection_wrapper.rb', line 21

def to_ary
  to_a
end

#validate_forms(parent_form) ⇒ Object 



43
44
45
46
47
 
# File 'lib/on_form/collection_wrapper.rb', line 43

def validate_forms(parent_form)
  @loaded_forms.collect do |form|
    add_errors_to_parent(parent_form, form) if form.invalid?
  end
end