Class: CustomerTopic::MatrixBuilder

Inherits:
Object
  • Object
show all
Defined in:
app/services/customer_topic/matrix_builder.rb

Overview

This class is responsible for loading or initializing party topics
for a customer and its associated parties allowing an optional
category filter and sort order preferences

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(customer, category_id = nil, party_ids_ordered = [], options = {}) ⇒ MatrixBuilder

Returns a new instance of MatrixBuilder.



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# File 'app/services/customer_topic/matrix_builder.rb', line 8

def initialize(customer, category_id = nil, party_ids_ordered = [], options = {})
  @options = options
  @logger = options[:logger] || Rails.logger
  logger.debug "CustomerTopic::MatrixBuilder starting initialization"
  @customer = customer
  @category_id = category_id
  if party_ids_ordered.present?
    party_ids_ordered = party_ids_ordered.map(&:to_i)
    # This ruby trick preserves the original order of the array.
    @parties = Party.find(party_ids_ordered).index_by(&:id).slice(*party_ids_ordered).values
  else
    @parties = self.class.customer_and_contacts(@customer)
  end
  @party_ids_ordered = party_ids_ordered || @parties.map(&:id)
  load_topics
  prefetch_party_topics
  logger.debug "CustomerTopic::MatrixBuilder Initialization complete"
end

Instance Attribute Details

#category_id ⇒ Object (readonly)

Returns the value of attribute category_id.



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# File 'app/services/customer_topic/matrix_builder.rb', line 6

def category_id
  @category_id
end

#customer ⇒ Object (readonly)

Returns the value of attribute customer.



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# File 'app/services/customer_topic/matrix_builder.rb', line 6

def customer
  @customer
end

#logger ⇒ Object (readonly)

Returns the value of attribute logger.



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# File 'app/services/customer_topic/matrix_builder.rb', line 6

def logger
  @logger
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'app/services/customer_topic/matrix_builder.rb', line 6

def options
  @options
end

#parties ⇒ Object (readonly)

Returns the value of attribute parties.



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# File 'app/services/customer_topic/matrix_builder.rb', line 6

def parties
  @parties
end

Class Method Details

.customer_and_contacts(customer, contact_limit: 10) ⇒ Object 



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# File 'app/services/customer_topic/matrix_builder.rb', line 27

def self.customer_and_contacts(customer, contact_limit: 10)
  [customer] + customer.contacts.active.order(:full_name).limit(contact_limit)
end

Instance Method Details

#build_party_topics ⇒ Object 



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# File 'app/services/customer_topic/matrix_builder.rb', line 31

def build_party_topics
  # Now we will initialize a hash of party topics, key is the party_id, and since rails has ordered hash we can ensure
  # they will load up in the same order when iterated over
  # Retrieve a select list of party topics

  # multi level hash initializer
  @party_topics = Hash.new { |h, k| h[k] = Hash.new(&h.default_proc) }

  @parties.each do |party|
    logger.debug "Building Party Topics for #{party.id} -> #{party.full_name}"
    build_party_topics_for_party party
  end

  @party_topics
end