customer.rb

  1# frozen_string_literal: true
  2
  3require "forwardable"
  4
  5require_relative "./blather_ext"
  6require_relative "./customer_usage"
  7require_relative "./customer_plan"
  8require_relative "./customer_ogm"
  9require_relative "./customer_financials"
 10require_relative "./backend_sgx"
 11require_relative "./invites_repo"
 12require_relative "./payment_methods"
 13require_relative "./plan"
 14require_relative "./proxied_jid"
 15require_relative "./sip_account"
 16require_relative "./trivial_backend_sgx_repo"
 17
 18class Customer
 19	extend Forwardable
 20
 21	attr_reader :customer_id, :balance, :jid, :tndetails, :feature_flags
 22	alias billing_customer_id customer_id
 23
 24	def_delegators :@plan, :active?, :activate_plan_starting_now, :bill_plan,
 25	               :currency, :merchant_account, :plan_name, :minute_limit,
 26	               :message_limit, :monthly_overage_limit, :activation_date,
 27	               :expires_at, :monthly_price, :save_plan!, :auto_top_up_amount,
 28	               :extend_plan
 29	def_delegators :@sgx, :deregister!, :register!, :registered?, :set_ogm_url,
 30	               :fwd, :transcription_enabled
 31	def_delegators :@usage, :usage_report, :message_usage, :incr_message_usage,
 32	               :calling_charges_this_month
 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, :feature_flags, *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		feature_flags: [],
 58		sgx: TrivialBackendSgxRepo.new.get(customer_id)
 59	)
 60		@plan = plan
 61		@usage = CustomerUsage.new(customer_id)
 62		@financials = CustomerFinancials.new(customer_id)
 63		@customer_id = customer_id
 64		@jid = jid
 65		@balance = balance
 66		@tndetails = tndetails
 67		@feature_flags = feature_flags
 68		@sgx = sgx
 69	end
 70
 71	def with_balance(balance)
 72		self.class.new(
 73			@customer_id, @jid,
 74			plan: @plan, balance: balance,
 75			tndetails: @tndetails, sgx: @sgx
 76		)
 77	end
 78
 79	def with_plan(plan_name)
 80		self.class.new(
 81			@customer_id, @jid,
 82			plan: @plan.with_plan_name(plan_name),
 83			balance: @balance, tndetails: @tndetails, sgx: @sgx
 84		)
 85	end
 86
 87	def billing_customer(*)
 88		EMPromise.resolve(self)
 89	end
 90
 91	def unused_invites
 92		InvitesRepo.new(DB).unused_invites(customer_id)
 93	end
 94
 95	def stanza_to(stanza)
 96		stanza = stanza.dup
 97		stanza.to = jid.with(resource: stanza.to&.resource)
 98		stanza.from ||= Blather::JID.new("")
 99		stanza.from = stanza.from.with(domain: CONFIG[:component][:jid])
100		block_given? ? yield(stanza) : (BLATHER << stanza)
101	end
102
103	def stanza_from(stanza)
104		BLATHER << @sgx.stanza(stanza)
105	end
106
107	def fetch_pep(node, from_tel=nil)
108		iq = Blather::Stanza::PubSub::Items.new(:get)
109		iq.node = node
110		iq.from = Blather::JID.new(from_tel, CONFIG[:component][:jid])
111		stanza_to(iq, &IQ_MANAGER.method(:write))
112	end
113
114	def ogm(from_tel=nil)
115		fetch_vcard = -> { fetch_pep("urn:xmpp:vcard4", from_tel) }
116		CustomerOGM.for(@sgx.ogm_url, @sgx.registered?.phone, fetch_vcard)
117	end
118
119	def sip_account
120		SipAccount.find(customer_id)
121	end
122
123	def reset_sip_account
124		sip_account.with_random_password.put
125	end
126
127	def admin?
128		CONFIG[:admins].include?(jid.to_s)
129	end
130
131	class ChildCustomer < Customer
132		def initialize(*args, parent_customer_id:, **kwargs)
133			super(*args, **kwargs)
134			@parent_customer_id = parent_customer_id
135		end
136
137		def billing_customer_id
138			@parent_customer_id
139		end
140
141		def billing_customer(repo=CustomerRepo.new)
142			repo.find(billing_customer_id)
143		end
144	end
145end