~singpolyma/sgx-jmp

e636c3335d3a14dc2817221c2bdd476ab2394103 — Stephen Paul Weber 9 months ago c3bd04f
Calculate the maximum allowable call length

Asterisk could use this to actually limit the call, for example.
1 files changed, 25 insertions(+), 9 deletions(-)

M lib/call_attempt.rb
M lib/call_attempt.rb => lib/call_attempt.rb +25 -9
@@ 8,32 8,42 @@ require_relative "low_balance"
class CallAttempt
	def self.for(customer, rate, usage, trust_level, direction:, **kwargs)
		kwargs.merge!(direction: direction)
		included_credit = [customer.minute_limit.to_d - usage, 0].max
		credit = [customer.minute_limit.to_d - usage, 0].max + customer.balance
		if !rate || !trust_level.support_call?(rate)
			Unsupported.new(direction: direction)
		elsif included_credit + customer.balance < rate * 10
		elsif credit < rate * 10
			NoBalance.for(customer, rate, usage, trust_level, **kwargs)
		else
			for_ask_or_go(customer, rate, usage, **kwargs)
			for_ask_or_go(customer, rate, usage, credit, **kwargs)
		end
	end

	def self.for_ask_or_go(customer, rate, usage, digits: nil, **kwargs)
		can_use = customer.minute_limit.to_d + customer.monthly_overage_limit
		kwargs.merge!(customer_id: customer.customer_id)
		if digits != "1" && can_use - usage < rate * 10
	def self.for_ask_or_go(customer, rate, usage, credit, digits: nil, **kwargs)
		kwargs.merge!(
			customer_id: customer.customer_id,
			limit_remaining: limit_remaining(customer, usage, rate),
			max_minutes: (credit / rate).to_i
		)
		if digits != "1" && limit_remaining(customer, usage, rate) < 10
			AtLimit.new(**kwargs)
		else
			new(**kwargs)
		end
	end

	def self.limit_remaining(customer, usage, rate)
		can_use = customer.minute_limit.to_d + customer.monthly_overage_limit
		([can_use - usage, 0].max / rate).to_i
	end

	value_semantics do
		customer_id String
		from String
		to(/\A\+\d+\Z/)
		call_id String
		direction Either(:inbound, :outbound)
		limit_remaining Integer
		max_minutes Integer
	end

	def to_render


@@ 48,7 58,9 @@ class CallAttempt
		{
			from: from,
			to: to,
			customer_id: customer_id
			customer_id: customer_id,
			limit_remaining: limit_remaining,
			max_minutes: max_minutes
		}
	end



@@ 133,6 145,8 @@ class CallAttempt
			to(/\A\+\d+\Z/)
			call_id String
			direction Either(:inbound, :outbound)
			limit_remaining Integer
			max_minutes Integer
		end

		def view


@@ 156,7 170,9 @@ class CallAttempt
				tts: tts,
				from: from,
				to: to,
				customer_id: customer_id
				customer_id: customer_id,
				limit_remaining: limit_remaining,
				max_minutes: max_minutes
			}
		end