Module: Effective::EffectiveDatatable::Dsl::Filters

Included in:
DatatableDslTool
Defined in:
app/models/effective/effective_datatable/dsl/filters.rb

Constant Summary collapse

DATE_RANGES = 
[
  ['Current Month', :current_month],
  ['Current Year', :current_year],
  ['Month', :month],
  ['Year', :year],
  ['Custom', :custom]
]

Instance Method Summary collapse

Instance Method Details

#changes_columns_count ⇒ Object Also known as: changes_column_count 



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# File 'app/models/effective/effective_datatable/dsl/filters.rb', line 80

def changes_columns_count
  form()
end

#filter(name = nil, value = :_no_value, as: nil, label: nil, parse: nil, required: false, **input_html) ⇒ Object 



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# File 'app/models/effective/effective_datatable/dsl/filters.rb', line 30

def filter(name = nil, value = :_no_value, as: nil, label: nil, parse: nil, required: false, **input_html)
  return datatable.filter if (name == nil && value == :_no_value) # This lets block methods call 'filter' and get the values

  raise 'expected second argument to be a value. the default value for this filter.' if value == :_no_value
  raise 'parse must be a Proc' if parse.present? && !parse.kind_of?(Proc)

  # Merge search
  if input_html.kind_of?(Hash) && input_html[:search].kind_of?(Hash)
    input_html = input_html.merge(input_html[:search])
  end

  # Try to guess as value
  as ||= (
    if input_html.key?(:collection)
      :select
    elsif value != nil
      Effective::Attribute.new(value).type
    end
  ) || :string

  datatable._filters[name.to_sym] = {
    value: value,
    as: as,
    label: label,
    name: name.to_sym,
    parse: parse,
    required: required,
  }.compact.reverse_merge(input_html)
end

#filter_date_range(default = nil) ⇒ Object

This sets up the select field with start_on and end_on



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# File 'app/models/effective/effective_datatable/dsl/filters.rb', line 17

def filter_date_range(default = nil)
  if default.present?
    valid = DATE_RANGES.map(&:last)
    raise("unexpected value #{default}. Try one of #{valid.to_sentence}") unless valid.include?(default)
  end

  date_range = datatable.date_range(default)

  filter :date_range, default, collection: DATE_RANGES, partial: 'effective/datatables/filter_date_range'
  filter :start_date, date_range&.begin, as: :date, visible: false
  filter :end_date, date_range&.end, as: :date, visible: false
end

#form(url: nil, verb: nil) ⇒ Object

This changes the filters from using an AJAX, to a POST or GET



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# File 'app/models/effective/effective_datatable/dsl/filters.rb', line 72

def form(url: nil, verb: nil)
  url ||= request.path
  verb ||= (Rails.application.routes.recognize_path(url, method: :post).present? rescue false) ? :post : :get

  datatable._form[:url] = url
  datatable._form[:verb] = verb
end

#scope(name = nil, *args, default: nil, label: nil) ⇒ Object 



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# File 'app/models/effective/effective_datatable/dsl/filters.rb', line 60

def scope(name = nil, *args, default: nil, label: nil)
  return datatable.scope unless name # This lets block methods call 'scope' and get the values

  datatable._scopes[name.to_sym] = {
    default: default,
    label: label || name.to_s.titleize,
    name: name.to_sym,
    args: args.presence
  }
end