66 lines
1.9 KiB
Ruby
66 lines
1.9 KiB
Ruby
# frozen_string_literal: true
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module ErrorTracking
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class StacktraceBuilder
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attr_reader :stacktrace
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def initialize(payload)
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@stacktrace = build_stacktrace(payload)
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end
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private
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def build_stacktrace(payload)
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raw_stacktrace = raw_stacktrace_from_payload(payload)
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return [] unless raw_stacktrace
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raw_stacktrace.map do |entry|
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{
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'lineNo' => entry['lineno'],
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'context' => build_stacktrace_context(entry),
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'filename' => entry['filename'],
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'function' => entry['function'],
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'colNo' => 0 # we don't support colNo yet.
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}
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end
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end
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def raw_stacktrace_from_payload(payload)
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exception_entry = payload['exception']
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return unless exception_entry
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# Some SDK send exception payload as Array. For exmple Go lang SDK.
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# We need to convert it to hash format we expect.
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exception_entry = { 'values' => exception_entry } if exception_entry.is_a?(Array)
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exception_values = exception_entry['values']
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stack_trace_entry = exception_values&.detect { |h| h['stacktrace'].present? }
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stack_trace_entry&.dig('stacktrace', 'frames')
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end
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def build_stacktrace_context(entry)
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error_line = entry['context_line']
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error_line_no = entry['lineno']
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pre_context = entry['pre_context']
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post_context = entry['post_context']
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context = []
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context.concat lines_with_position(pre_context, error_line_no - pre_context.size) if pre_context
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context.concat lines_with_position([error_line], error_line_no)
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context.concat lines_with_position(post_context, error_line_no + 1) if post_context
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context.reject(&:blank?)
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end
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def lines_with_position(lines, position)
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return [] if lines.blank?
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lines.map.with_index do |line, index|
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next unless line
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[position + index, line]
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end
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end
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end
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end
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