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class WeeklyAppointmentsProjector | |
include Projector | |
processes_events :appointment_scheduled, | |
:appointment_rescheduled, | |
:appointment_name_changed, | |
:appointment_canceled | |
table :weekly_appointments do | |
# ... | |
end | |
def project(event) | |
end | |
end | |
if event.type == :appointment_scheduled | |
table.insert( | |
year: event.body.start_time.year, | |
week_of_year: event.body.start_time.cweek, | |
appointment_id: event.aggregate_id, | |
appointment_name: event.body.name, | |
appointment_start_time: event.body.start_time, | |
appointment_end_time: event.body.end_time, | |
) | |
end | |
if event.type == :appointment_rescheduled | |
table | |
.where(appointment_id: event.aggregate_id) | |
.update( | |
year: event.body.start_time.year, | |
week_of_year: event.body.start_time.cweek, | |
appointment_start_time: event.body.start_time, | |
appointment_end_time: event.body.end_time, | |
) | |
end | |
if event.type == :appointment_canceled | |
table | |
.where(appointment_id: event.aggregate_id) | |
.delete | |
end | |
table.where(year: 2016, week_of_year: 13) | |
class AppointmentDetailProjector | |
include Projector | |
processes_events :appointment_scheduled, | |
:appointment_rescheduled, | |
:appointment_name_changed, | |
:appointment_location_moved, | |
:appointment_canceled | |
table :appointment_detail do | |
# ... | |
end | |
def project(event) | |
end | |
end | |
class InvitationSender | |
include DownstreamEventProcessor | |
processes_events :participant_invited | |
def process(event) | |
InvitationEmailer.deliver!( | |
email: event.body.participant_email | |
appointment_details: event.body.appointment_details | |
) | |
emit_event Event.new( | |
type: :invitation_sent, | |
aggregate_id: event.aggregate_id | |
) | |
end | |
end | |
def process_order | |
ActiveRecord::Base.transaction do | |
charge_credit_card | |
do_fraud_checks | |
save_order | |
generate_invoice | |
send_invoice | |
generate_shipping_label | |
send_shipping_label_to_warehouse | |
and_all_the_other_things | |
end | |
end | |
def process_order | |
ActiveRecord::Base.transaction do | |
charge_credit_card | |
do_fraud_checks | |
order = save_order | |
InvoiceGenerator.perform_async(order.id) | |
InvoiceSender.perform_async(order.id) | |
ShippingLabelGenerator.perform_async(order.id) | |
ShippingLabelDeliverer.perform_async(order.id) | |
end | |
end | |
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