feat: new overridable routing headers implementation #910
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It would also probably be prudent to split this into two PRs, one for the gapic-common change and one for the generator template change. Because the template change depends on the gapic-common change, so we should first release a new gapic-common minor version, and then update the templates including updating the gapic-common dependency version.
| # @private | ||
| # Creates a new HeaderBinding. | ||
| # | ||
| def self.create field:, header_name: nil, regex: nil |
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Is there a reason we're creating this separate factory method rather than just writing the constructor with this signature?
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Symmetry with the routing headers extractor/binding
| @bindings = bindings || [] | ||
| end | ||
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| def with_bindings(field:, header_name: nil, regex: nil) |
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This should be okay without the parens
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| module Gapic | ||
| module RoutingHeaders | ||
| class HeadersExtractor |
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Unless this class is @private we need documentation for the class and its public methods.
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Will be @private
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| if header_binding.regex && !field_value.is_a?(::String) | ||
| err_msg = "Header binding configuration is incorrect: regex" \ | ||
| "is given with a non-string field #{field}.\n" \ |
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yes, good catch
| next unless field_value | ||
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| if header_binding.regex && !field_value.is_a?(::String) | ||
| err_msg = "Header binding configuration is incorrect: regex" \ |
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you probably want a space after regex.
| curr_submessage = curr_submessage.send curr_field | ||
| end | ||
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| return curr_submessage.to_s if curr_submessage |
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You can probably replace this line with simply curr_submessage&.to_s
| field_path.each do |curr_field| | ||
| return nil unless curr_submessage.respond_to? curr_field | ||
| curr_submessage = curr_submessage.send curr_field | ||
| end |
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A bit more idiomatic would be to use Enumerable#reduce for the above:
final_submessage = field_path.reduce request do |curr_submessage, curr_field|
return nil unless curr_submessage.respond_to? curr_field
curr_submessage.send curr_field
endFollowed by:
final_submessage&.to_s
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