Class: Inventory

Inherits:
Object
  • Object
show all
Defined in:
lib/coding_challenge/commands/util/Inventory.rb

Constant Summary collapse

@@DEFAULT_PRODUCTS_LIST_URL = 
'https://gist.githubusercontent.com/michaelporter/b2743e0cdad0664fa9517c0a6b82cdda/raw/67e4606007391f678c9330ee3a77a9024fce4e64/products.json'

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Inventory

Returns a new instance of Inventory.



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# File 'lib/coding_challenge/commands/util/Inventory.rb', line 10

def initialize
  @source_type = nil
  @source_uri = nil
  @products_list = nil
end

Instance Attribute Details

#products_list ⇒ Object (readonly)

Returns the value of attribute products_list.



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# File 'lib/coding_challenge/commands/util/Inventory.rb', line 9

def products_list
  @products_list
end

#source_type ⇒ Object (readonly)

Returns the value of attribute source_type.



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# File 'lib/coding_challenge/commands/util/Inventory.rb', line 9

def source_type
  @source_type
end

#source_uri ⇒ Object (readonly)

Returns the value of attribute source_uri.



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# File 'lib/coding_challenge/commands/util/Inventory.rb', line 9

def source_uri
  @source_uri
end

Instance Method Details

#handle_query(query) ⇒ Object 



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# File 'lib/coding_challenge/commands/util/Inventory.rb', line 16

def handle_query(query)
  remaining_props_seen = {}
  remaining_props = []

  @products_list.each do |product|
    next if product['product_type'] != query.product_type

    search_start = query.options.length
    option_types = product['options'].keys

    (search_start..option_types.length - 1).each do |i|
      option_type = option_types[i]
      option_value = product['options'][option_type]

      if remaining_props_seen[option_type].nil?
        remaining_props_seen[option_type] = {}
        remaining_props_seen[option_type][option_value] = true
        remaining_props.push("#{option_type.capitalize}: #{option_value}")
      elsif !remaining_props_seen[option_type][option_value]
        remaining_props_seen[option_type][option_value] = true
        remaining_props[i - search_start] += ", #{option_value}"
      end
    end
  end

  query.performed_at = DateTime.now
  query.results = remaining_props

  query
end

#load_products_list_from_default ⇒ Object 



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# File 'lib/coding_challenge/commands/util/Inventory.rb', line 62

def load_products_list_from_default
  load_from_file_url(@@DEFAULT_PRODUCTS_LIST_URL)

  unless @products_list.nil?
    @source_type = 'DEFAULT'
    @source_uri = @@DEFAULT_PRODUCTS_LIST_URL
  end

  @products_list
end

#load_products_list_from_source(source_type, source_uri) ⇒ Object 



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# File 'lib/coding_challenge/commands/util/Inventory.rb', line 47

def load_products_list_from_source(source_type, source_uri)
  if source_type == 'FILE PATH'
    load_from_file_path(source_uri)
  elsif source_type == 'URL'
    load_from_file_url(source_uri)
  end

  unless @products_list.nil?
    @source_type = source_type
    @source_uri = source_uri
  end

  @products_list
end