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# File 'lib/intelligence/adapters/google/chat_response_methods.rb', line 92
def stream_result_chunk_attributes( context, chunk )
context ||= {}
buffer = context[ :buffer ] || ''
metrics = context[ :metrics ] || {
input_tokens: 0,
output_tokens: 0
}
choices = context[ :choices ] || Array.new( 1 , { message: {} } )
choices.each do | choice |
choice[ :message ][ :contents ] = choice[ :message ][ :contents ]&.map do | content |
case content[ :type ]
when :text
content[ :text ] = ''
else
content.clear
end
content
end
end
buffer += chunk
while ( eol_index = buffer.index( "\n" ) )
line = buffer.slice!( 0..eol_index )
line = line.strip
next if line.empty? || !line.start_with?( 'data:' )
line = line[ 6..-1 ]
data = JSON.parse( line, symbolize_names: true )
if data.is_a?( Hash )
data[ :candidates ]&.each do | data_candidate |
data_candidate_index = data_candidate[ :index ] || 0
data_candidate_content = data_candidate[ :content ]
data_candidate_finish_reason = data_candidate[ :finishReason ]
choices.fill( { message: { role: 'assistant' } }, choices.size, data_candidate_index + 1 ) \
if choices.size <= data_candidate_index
contents = choices[ data_candidate_index ][ :message ][ :contents ] || []
last_content = contents&.last
if data_candidate_content&.include?( :parts )
data_candidate_content_parts = data_candidate_content[ :parts ]
data_candidate_content_parts&.each do | data_candidate_content_part |
if data_candidate_content_part.key?( :text )
if last_content.nil? || last_content[ :type ] != :text
contents.push( { type: :text, text: data_candidate_content_part[ :text ] } )
else
last_content[ :text ] =
( last_content[ :text ] || '' ) + data_candidate_content_part[ :text ]
end
end
end
end
choices[ data_candidate_index ][ :message ][ :contents ] = contents
choices[ data_candidate_index ][ :end_reason ] =
translate_finish_reason( data_candidate_finish_reason )
end
if usage = data[ :usageMetadata ]
metrics[ :input_tokens ] = usage[ :promptTokenCount ]
metrics[ :output_tokens ] = usage[ :candidatesTokenCount ]
end
end
end
context[ :buffer ] = buffer
context[ :metrics ] = metrics
context[ :choices ] = choices
[ context, choices.empty? ? nil : { choices: choices.dup } ]
end
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