command_list.rb

 1# frozen_string_literal: true
 2
 3class CommandList
 4	include Enumerable
 5
 6	def self.register(command)
 7		@commands ||= []
 8		@commands << command
 9	end
10
11	def self.for(customer, from_jid)
12		args_for(customer, from_jid).then do |kwargs|
13			new(@commands.select { |c| c.list_for?(**kwargs) })
14		end
15	end
16
17	def self.args_for(customer, from_jid)
18		registered = customer&.registered?
19		args = {
20			from_jid: from_jid, customer: customer,
21			tel: registered&.phone,
22			fwd: customer&.fwd, feature_flags: customer&.feature_flags || [],
23			payment_methods: [],
24			tn_portable: false
25		}
26		return EMPromise.resolve(args) unless customer&.plan_name
27
28		EMPromise.all([
29			customer.payment_methods,
30			args[:tel] && customer.active? && customer.tn_portable?
31		]).then do |payment_methods, eligible|
32			args.merge(
33				payment_methods: payment_methods,
34				tn_portable: eligible
35			)
36		end
37	end
38
39	def initialize(commands)
40		@commands = commands
41	end
42
43	def each(&blk)
44		@commands.map { |c| { node: c.node, name: c.name } }.each(&blk)
45	end
46end