Class: Item::CustomMatCreator

Inherits:
Object
  • Object
show all
Includes:
ActionView::Helpers::NumberHelper, ActiveModel::Attributes, ActiveModel::Model, ActiveModel::Validations
Defined in:
app/services/item/custom_mat_creator.rb

Overview

Service object: custom mat creator.

Constant Summary collapse

CUSTOM_MAT_PRODUCT_GROUP_ID =

Custom mat product group id.

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COST_FACTOR_US =

Cost factor us.

2.75
COST_FACTOR_CA =

Cost factor ca.

3.7
CUSTOM_MAT_VOLTAGES =

Custom mat voltages.

[120, 208, 240].freeze

Instance Attribute Summary collapse

Delegated Instance Attributes collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#catalog_id ⇒ Object (readonly) 



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# File 'app/services/item/custom_mat_creator.rb', line 35

validates :catalog_id, presence: true

#cold_lead_length ⇒ Object (readonly) 



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# File 'app/services/item/custom_mat_creator.rb', line 37

validates :cold_lead_length, presence: true, numericality: { greater_than: 0 }

#installation_plan_number ⇒ Object (readonly) 



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# File 'app/services/item/custom_mat_creator.rb', line 38

validates :installation_plan_number, presence: true

#mat_number ⇒ Object (readonly) 



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# File 'app/services/item/custom_mat_creator.rb', line 39

validates :mat_number, presence: true

#original_custom_mat_item ⇒ Object (readonly)

Returns the value of attribute original_custom_mat_item.



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# File 'app/services/item/custom_mat_creator.rb', line 10

def original_custom_mat_item
  @original_custom_mat_item
end

#sqft ⇒ Object (readonly) 



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# File 'app/services/item/custom_mat_creator.rb', line 40

validates :sqft, presence: true, numericality: { greater_than_or_equal_to: 7 }

#volts ⇒ Object (readonly) 



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# File 'app/services/item/custom_mat_creator.rb', line 41

validates :volts, presence: true, numericality: { only_integer: true, greater_than: 0 }

#width ⇒ Object (readonly) 



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# File 'app/services/item/custom_mat_creator.rb', line 42

validates :width, presence: true, numericality: { only_integer: true, greater_than: 0 }

#wy_cost ⇒ Object (readonly) 



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# File 'app/services/item/custom_mat_creator.rb', line 36

validates :wy_cost, presence: true, numericality: { greater_than: 0 }

Class Method Details

.calculate_pricing(cost:, sqft:, currency: 'USD') ⇒ Object

rubocop:disable Lint/UnusedMethodArgument



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# File 'app/services/item/custom_mat_creator.rb', line 178

def self.calculate_pricing(cost:, sqft:, currency: 'USD') # rubocop:disable Lint/UnusedMethodArgument
  # `sqft` is part of the public signature (callers pass it) even though the
  # current pricing formula doesn't reference it. Don't let rubocop prefix
  # with `_` — that breaks the kwarg API.
  _ = sqft
  p = cost * get_currency_factor(currency)
  up_to_nearest_5(p)
end

.get_currency_factor(currency) ⇒ Object 



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# File 'app/services/item/custom_mat_creator.rb', line 170

def self.get_currency_factor(currency)
  if currency == 'CAD'
    COST_FACTOR_CA
  else
    COST_FACTOR_US
  end
end

.up_to_nearest_5(n) ⇒ Object 



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# File 'app/services/item/custom_mat_creator.rb', line 163

def self.up_to_nearest_5(n)
  return n if n % 5 == 0

  rounded = n.round(-1)
  rounded > n ? rounded : rounded + 5
end

Instance Method Details

#catalog ⇒ Object 



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# File 'app/services/item/custom_mat_creator.rb', line 66

def catalog
  Catalog.find(catalog_id)
end

#check_for_minimum_electrical_specs ⇒ Object 



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# File 'app/services/item/custom_mat_creator.rb', line 187

def check_for_minimum_electrical_specs
  return if [volts, watts, amps, ohms].filter_map(&:presence).size > 1

  errors.add(:base, 'At least two electrical specs must be present (volts, watts, amps, ohms)')
end

#cold_lead_str ⇒ Object 



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# File 'app/services/item/custom_mat_creator.rb', line 155

def cold_lead_str
  "0#{cold_lead_length.round}".last(2) # two digits for this
end

#generate_name ⇒ Object 



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# File 'app/services/item/custom_mat_creator.rb', line 159

def generate_name
  "TempZone Mat Custom Single #{volts.round}V - #{number_with_precision(amps, precision: 2, strip_insignificant_zeros: true)}A - #{number_with_precision(sqft, precision: 1, strip_insignificant_zeros: true)} sq.ft. - #{cold_lead_str} ft. Cold Lead"
end

#generate_sku ⇒ Object 



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# File 'app/services/item/custom_mat_creator.rb', line 142

def generate_sku
  sku_base = "TMCS#{volts.round}-#{sqft.round(1)}-CL#{cold_lead_str}"
  serial_number = 1
  # last_matching_custom_mat_item = Item.where("items.sku ILIKE '%#{sku_base}%'").order(:created_at).last
  last_matching_custom_mat_item = Item.where("items.sku ILIKE '%#{sku_base}%'").order(:created_at)
  # if last_matching_custom_mat_item && (ser_str = last_matching_custom_mat_item.sku.split('-').last) && ((last_ser_num = ser_str.to_i) > 0)
  if last_matching_custom_mat_item && (ser_str = last_matching_custom_mat_item.map { |r| r[:sku].split('-').last.to_i }.max) && ((last_ser_num = ser_str) > 0)
    serial_number = last_ser_num + 1
  end
  serial_number_str = "00#{serial_number}".last(3) # three digits for this
  "#{sku_base}-#{serial_number_str}"
end

#save ⇒ Object 



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# File 'app/services/item/custom_mat_creator.rb', line 70

def save
  return false unless valid?

  unless (original_custom_mat_item = CatalogItem.last_custom_mat_catalog_item(catalog_id, volts)&.item)
    errors.add(:base, 'Could not find existing custom mat catalog item')
    return false
  end

  @original_custom_mat_item = original_custom_mat_item
  new_custom_mat_item = @original_custom_mat_item.deep_dup
  new_custom_mat_item.sqft = nil
  new_custom_mat_item.base_weight = nil
  new_custom_mat_item.gross_weight = nil
  new_custom_mat_item.shipping_weight = nil
  new_custom_mat_item.box2_shipping_weight = nil
  new_custom_mat_item.box3_shipping_weight = nil

  Item.transaction do
    if new_custom_mat_item.sqft
      new_custom_mat_item.base_weight = new_custom_mat_item.sqft * 0.1 # as per Venu
    end

    # new_custom_mat_item.length = nil
    new_custom_mat_item.shipping_length = [width + 2, 44].min # 2" padding and 44" max length box since they can fold them
    new_custom_mat_item.shipping_width = [new_custom_mat_item.shipping_width = (sqft / width).ceil + 2, 14].min # 14" is the max
    new_custom_mat_item.shipping_height = new_custom_mat_item.shipping_width # it's a roll so same diameter
    new_custom_mat_item.sku = generate_sku
    new_custom_mat_item.name = generate_name

    new_custom_mat_item.save!
    # Apply template
    new_custom_mat_item.create_template_specifications

    set_item_specs(new_custom_mat_item)

    msrp_price = self.class.calculate_pricing(cost: wy_cost,
                                              sqft: new_custom_mat_item.sqft,
                                              currency: catalog.currency)

    new_custom_mat_store_item = @original_custom_mat_item.store_items.find_by(store_id: store.id).dup
    new_custom_mat_store_item.item_id = new_custom_mat_item.id
    new_custom_mat_store_item.unit_cogs = wy_cost
    new_custom_mat_store_item.qty_on_hand = 0
    new_custom_mat_store_item.qty_committed = 0
    new_custom_mat_store_item.last_item_ledger_entry_id = nil
    new_custom_mat_store_item.save!

    new_custom_mat_catalog_item = @original_custom_mat_item.catalog_items.find_by(catalog_id: catalog.id).dup
    new_custom_mat_catalog_item.store_item_id = new_custom_mat_store_item.id
    new_custom_mat_catalog_item.max_discount = 40
    new_custom_mat_catalog_item.amount = msrp_price
    new_custom_mat_catalog_item.state = 'active_hidden'
    new_custom_mat_catalog_item.save!

    new_custom_mat_supplier_item = @original_custom_mat_item.supplier_item.dup
    new_custom_mat_supplier_item.item_id = new_custom_mat_item.id
    new_custom_mat_supplier_item.supplier_sku = "Mat # #{mat_number}"
    new_custom_mat_supplier_item.supplier_description = "Plan # #{installation_plan_number}"
    new_custom_mat_supplier_item.supplier_item_prices.build(purchasing_cost: wy_cost,
                                                            unit_cost: wy_cost,
                                                            currency: catalog.currency,
                                                            effective_from: 1.day.ago)
    new_custom_mat_supplier_item.save!

    new_custom_mat_item.supplier_item_id = new_custom_mat_supplier_item.id
    new_custom_mat_item.save!
  end
  return new_custom_mat_item if new_custom_mat_item.persisted?

  false
end

#set_item_specs(item) ⇒ Object 



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# File 'app/services/item/custom_mat_creator.rb', line 45

def set_item_specs(item)
  ohms_attrs = {
    voltage: volts.presence,
    power: watts.presence,
    current: amps.presence,
    resistance: ohms.presence
  }.compact
  res = OhmsLawCalculator.new(ohms_attrs).calc
  item.voltage = res.voltage
  item.watts = res.power
  item.amps = res.current
  item.ohms = res.resistance

  item.width = width
  item.sqft = sqft
  item.cold_lead_length = cold_lead_length * 12
  item.refresh_specs = true
  item.save!
  item
end

#store ⇒ Object

Alias for Catalog#store

Returns:

  • (Object) —

    Catalog#store

See Also:



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# File 'app/services/item/custom_mat_creator.rb', line 12

delegate :store, to: :catalog