Created
October 3, 2014 16:46
-
-
Save pewniak747/02cf0616169e341c41a5 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
class SomeService | |
def call | |
call_service_a | |
end | |
private | |
def service_a | |
# ... uses status objects | |
end | |
def service_b | |
# ... uses status objects | |
end | |
def service_c | |
# ... raises exceptions | |
end | |
def call_service_a | |
result = service_a.call | |
if result.success? | |
call_service_b(result.data) | |
else | |
Error.new("service A failed") | |
end | |
end | |
def call_service_b(data_from_a) | |
result = service_b.call | |
if result.success? | |
call_service_c(data_from_a, result.data) | |
else | |
Error.new("service B failed") | |
end | |
end | |
def call_service_c(data_from_a, data_from_b) | |
result = service_c.call | |
Success.new("yay!") | |
rescue ServiceCException | |
Error.new("service C failed") | |
end | |
end |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment