Class: Api::V5::VouchersFilter

Inherits:
Object
  • Object
show all
Includes:
PaginationConcernFilter
Defined in:
app/filters/api/v5/vouchers_filter.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(user = nil) ⇒ VouchersFilter

Returns a new instance of VouchersFilter.



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# File 'app/filters/api/v5/vouchers_filter.rb', line 10

def initialize(user = nil)
  @user = user
  @config = {}

  user_vouchers = user&.vouchers.active
  @collections = user_vouchers || Voucher.where('1 = 0')
end

Instance Attribute Details

#collections ⇒ Object

Returns the value of attribute collections.



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# File 'app/filters/api/v5/vouchers_filter.rb', line 7

def collections
  @collections
end

#config ⇒ Object (readonly)

Returns the value of attribute config.



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# File 'app/filters/api/v5/vouchers_filter.rb', line 8

def config
  @config
end

#user ⇒ Object

Returns the value of attribute user.



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# File 'app/filters/api/v5/vouchers_filter.rb', line 7

def user
  @user
end

Instance Method Details

#_active ⇒ Object 



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# File 'app/filters/api/v5/vouchers_filter.rb', line 77

def _active
  @collections = active_collections if config[:active]
end

#_by_category ⇒ Object 



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# File 'app/filters/api/v5/vouchers_filter.rb', line 85

def _by_category
  @collections = active_collections.where(voucher_category: config[:category].split(',')) if config[:category]
end

#_by_currency_code ⇒ Object 



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# File 'app/filters/api/v5/vouchers_filter.rb', line 89

def _by_currency_code
  currency_code_params = config[:currency_code]
  currency_code = if currency_code_params.present?
                    currency_code_params.upcase == 'THB' ? ['THB', nil] : currency_code_params.upcase
                  end

  @collections = active_collections.where(currency_code: currency_code) if currency_code
end

#_inactive ⇒ Object 



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# File 'app/filters/api/v5/vouchers_filter.rb', line 81

def _inactive
  @collections = inactive_collections if config[:inactive]
end

#_paginate ⇒ Object 



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# File 'app/filters/api/v5/vouchers_filter.rb', line 56

def _paginate
  page_number = config.fetch(:page_number, 1)
  per_page = config.fetch(:per_page, 10)

  sorted_collections = collections.sort_by { |c| c.expiry_date || c.end_date }
  @total = collections.length
  @collections = Kaminari.paginate_array(sorted_collections).page(page_number).per(per_page)
end

#active ⇒ Object 



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# File 'app/filters/api/v5/vouchers_filter.rb', line 18

def active
  @config[:active] = true
end

#active_collections ⇒ Object 



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# File 'app/filters/api/v5/vouchers_filter.rb', line 102

def active_collections
  invalid_vouchers_ids = (run_out_voucher_ids + used_and_expired_ids).uniq.compact
  collections.where.not(id: invalid_vouchers_ids)
end

#as_json(context) ⇒ Object 



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# File 'app/filters/api/v5/vouchers_filter.rb', line 65

def as_json(context)
  data = build_collections
  meta = { total: (@total.presence || 0) }
  ActiveModelSerializers::SerializableResource.new(data,
                                                   { serialization_context: context,
                                                     serializer: ActiveModel::Serializer::CollectionSerializer,
                                                     each_serializer: Api::V5::VoucherSerializer,
                                                     meta: meta,
                                                     user_id: user.id,
                                                     adapter: :json_api }).as_json
end

#build_collections ⇒ Object 



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# File 'app/filters/api/v5/vouchers_filter.rb', line 48

def build_collections
  _active
  _by_category
  _by_currency_code
  _inactive
  _paginate
end

#by_category(category) ⇒ Object 



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# File 'app/filters/api/v5/vouchers_filter.rb', line 38

def by_category(category)
  config[:category] = category if category.present?
  self
end

#by_currency_code(currency_code) ⇒ Object 



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# File 'app/filters/api/v5/vouchers_filter.rb', line 43

def by_currency_code(currency_code)
  config[:currency_code] = currency_code if currency_code.present?
  self
end

#inactive ⇒ Object 



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# File 'app/filters/api/v5/vouchers_filter.rb', line 22

def inactive
  @config[:inactive] = true
end

#inactive_collections ⇒ Object 



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# File 'app/filters/api/v5/vouchers_filter.rb', line 98

def inactive_collections
  collections.where.not(id: active_collections.ids)
end

#page_number(number) ⇒ Object 



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# File 'app/filters/api/v5/vouchers_filter.rb', line 26

def page_number(number)
  n = number.to_i
  config[:page_number] = n if n.positive?
  self
end

#per_page(number) ⇒ Object 



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# File 'app/filters/api/v5/vouchers_filter.rb', line 32

def per_page(number)
  n = number.to_i
  config[:per_page] = n if n.positive?
  self
end