customer.rb

  1# frozen_string_literal: true
  2
  3require "forwardable"
  4
  5require_relative "./api"
  6require_relative "./blather_ext"
  7require_relative "./customer_usage"
  8require_relative "./customer_plan"
  9require_relative "./customer_ogm"
 10require_relative "./customer_info"
 11require_relative "./customer_finacials"
 12require_relative "./backend_sgx"
 13require_relative "./invites_repo"
 14require_relative "./payment_methods"
 15require_relative "./plan"
 16require_relative "./proxied_jid"
 17require_relative "./sip_account"
 18require_relative "./trivial_backend_sgx_repo"
 19
 20class Customer
 21	extend Forwardable
 22
 23	attr_reader :customer_id, :balance, :jid, :tndetails
 24	alias billing_customer_id customer_id
 25
 26	def_delegators :@plan, :active?, :activate_plan_starting_now, :bill_plan,
 27	               :currency, :merchant_account, :plan_name, :minute_limit,
 28	               :message_limit, :auto_top_up_amount, :monthly_overage_limit,
 29	               :monthly_price, :save_plan!
 30	def_delegators :@sgx, :deregister!, :register!, :registered?, :set_ogm_url,
 31	               :fwd, :transcription_enabled
 32	def_delegators :@usage, :usage_report, :message_usage, :incr_message_usage
 33	def_delegators :@financials, :payment_methods, :btc_addresses,
 34	               :add_btc_address, :declines, :mark_decline,
 35	               :transactions
 36
 37	def self.extract(customer_id, jid, **kwargs)
 38		klass, *keys = if kwargs[:parent_customer_id]
 39			[ChildCustomer, :parent_customer_id]
 40		else
 41			[Customer]
 42		end
 43
 44		klass.new(
 45			customer_id, jid,
 46			plan: CustomerPlan.extract(customer_id, kwargs),
 47			**kwargs.slice(:balance, :sgx, :tndetails, *keys)
 48		)
 49	end
 50
 51	def initialize(
 52		customer_id,
 53		jid,
 54		plan: CustomerPlan.new(customer_id),
 55		balance: BigDecimal(0),
 56		tndetails: {},
 57		sgx: TrivialBackendSgxRepo.new.get(customer_id)
 58	)
 59		@plan = plan
 60		@usage = CustomerUsage.new(customer_id)
 61		@financials = CustomerFinancials.new(customer_id)
 62		@customer_id = customer_id
 63		@jid = jid
 64		@balance = balance
 65		@tndetails = tndetails
 66		@sgx = sgx
 67	end
 68
 69	def with_balance(balance)
 70		self.class.new(
 71			@customer_id, @jid,
 72			plan: @plan, balance: balance,
 73			tndetails: @tndetails, sgx: @sgx
 74		)
 75	end
 76
 77	def with_plan(plan_name)
 78		self.class.new(
 79			@customer_id, @jid,
 80			plan: @plan.with_plan_name(plan_name),
 81			balance: @balance, tndetails: @tndetails, sgx: @sgx
 82		)
 83	end
 84
 85	def billing_customer(*)
 86		EMPromise.resolve(self)
 87	end
 88
 89	def unused_invites
 90		InvitesRepo.new(DB).unused_invites(customer_id)
 91	end
 92
 93	def stanza_to(stanza)
 94		stanza = stanza.dup
 95		stanza.to = jid.with(resource: stanza.to&.resource)
 96		stanza.from ||= Blather::JID.new("")
 97		stanza.from = stanza.from.with(domain: CONFIG[:component][:jid])
 98		block_given? ? yield(stanza) : (BLATHER << stanza)
 99	end
100
101	def stanza_from(stanza)
102		BLATHER << @sgx.stanza(stanza)
103	end
104
105	def fetch_pep(node, from_tel=nil)
106		iq = Blather::Stanza::PubSub::Items.new(:get)
107		iq.node = node
108		iq.from = Blather::JID.new(from_tel, CONFIG[:component][:jid])
109		stanza_to(iq, &IQ_MANAGER.method(:write))
110	end
111
112	def ogm(from_tel=nil)
113		CustomerOGM.for(@sgx.ogm_url, -> { fetch_pep("urn:xmpp:vcard4", from_tel) })
114	end
115
116	def sip_account
117		SipAccount.find(customer_id)
118	end
119
120	def reset_sip_account
121		sip_account.with_random_password.put
122	end
123
124	def admin?
125		CONFIG[:admins].include?(jid.to_s)
126	end
127
128	def api
129		API.for(self)
130	end
131
132	# kwargs are passed through for dependency injection from tests
133	def admin_info(**kwargs)
134		AdminInfo.for(self, @plan, **kwargs)
135	end
136
137	def info
138		CustomerInfo.for(self, @plan)
139	end
140
141	protected def_delegator :@plan, :expires_at
142
143	class ChildCustomer < Customer
144		def initialize(*args, parent_customer_id:, **kwargs)
145			super(*args, **kwargs)
146			@parent_customer_id = parent_customer_id
147		end
148
149		def billing_customer_id
150			@parent_customer_id
151		end
152
153		def billing_customer(repo=CustomerRepo.new)
154			repo.find(billing_customer_id)
155		end
156	end
157end