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_finacials"
 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
 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	def_delegators :@sgx, :deregister!, :register!, :registered?, :set_ogm_url,
 29	               :fwd, :transcription_enabled
 30	def_delegators :@usage, :usage_report, :message_usage, :incr_message_usage,
 31	               :calling_charges_this_month
 32	def_delegators :@financials, :payment_methods, :btc_addresses,
 33	               :add_btc_address, :declines, :mark_decline,
 34	               :transactions
 35
 36	def self.extract(customer_id, jid, **kwargs)
 37		klass, *keys = if kwargs[:parent_customer_id]
 38			[ChildCustomer, :parent_customer_id]
 39		else
 40			[Customer]
 41		end
 42
 43		klass.new(
 44			customer_id, jid,
 45			plan: CustomerPlan.extract(customer_id, **kwargs),
 46			**kwargs.slice(:balance, :sgx, :tndetails, *keys)
 47		)
 48	end
 49
 50	def initialize(
 51		customer_id,
 52		jid,
 53		plan: CustomerPlan.new(customer_id),
 54		balance: BigDecimal(0),
 55		tndetails: {},
 56		sgx: TrivialBackendSgxRepo.new.get(customer_id)
 57	)
 58		@plan = plan
 59		@usage = CustomerUsage.new(customer_id)
 60		@financials = CustomerFinancials.new(customer_id)
 61		@customer_id = customer_id
 62		@jid = jid
 63		@balance = balance
 64		@tndetails = tndetails
 65		@sgx = sgx
 66	end
 67
 68	def with_balance(balance)
 69		self.class.new(
 70			@customer_id, @jid,
 71			plan: @plan, balance: balance,
 72			tndetails: @tndetails, sgx: @sgx
 73		)
 74	end
 75
 76	def with_plan(plan_name)
 77		self.class.new(
 78			@customer_id, @jid,
 79			plan: @plan.with_plan_name(plan_name),
 80			balance: @balance, tndetails: @tndetails, sgx: @sgx
 81		)
 82	end
 83
 84	def billing_customer(*)
 85		EMPromise.resolve(self)
 86	end
 87
 88	def unused_invites
 89		InvitesRepo.new(DB).unused_invites(customer_id)
 90	end
 91
 92	def stanza_to(stanza)
 93		stanza = stanza.dup
 94		stanza.to = jid.with(resource: stanza.to&.resource)
 95		stanza.from ||= Blather::JID.new("")
 96		stanza.from = stanza.from.with(domain: CONFIG[:component][:jid])
 97		block_given? ? yield(stanza) : (BLATHER << stanza)
 98	end
 99
100	def stanza_from(stanza)
101		BLATHER << @sgx.stanza(stanza)
102	end
103
104	def fetch_pep(node, from_tel=nil)
105		iq = Blather::Stanza::PubSub::Items.new(:get)
106		iq.node = node
107		iq.from = Blather::JID.new(from_tel, CONFIG[:component][:jid])
108		stanza_to(iq, &IQ_MANAGER.method(:write))
109	end
110
111	def ogm(from_tel=nil)
112		fetch_vcard = -> { fetch_pep("urn:xmpp:vcard4", from_tel) }
113		CustomerOGM.for(@sgx.ogm_url, @sgx.registered?.phone, fetch_vcard)
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	class ChildCustomer < Customer
129		def initialize(*args, parent_customer_id:, **kwargs)
130			super(*args, **kwargs)
131			@parent_customer_id = parent_customer_id
132		end
133
134		def billing_customer_id
135			@parent_customer_id
136		end
137
138		def billing_customer(repo=CustomerRepo.new)
139			repo.find(billing_customer_id)
140		end
141	end
142end