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# File 'app/services/collavre_github/tools/github_pr_diff_service.rb', line 35
def call(creative_id:, repo:, pr_number:, max_length: nil)
max_length ||= DIFF_MAX_LENGTH
with_github_client(creative_id: creative_id, repo: repo, error_context: "fetch PR diff") do |client|
diff = client.pull_request_diff(repo, pr_number)
return { error: "Could not fetch diff", diff: nil } unless diff
truncated = diff.length > max_length
diff_text = truncated ? "#{diff[0, max_length]}\n...\n[Diff truncated to #{max_length} characters]" : diff
{
diff: diff_text,
truncated: truncated,
original_length: diff.length
}
end
end
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