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86 lines
2.7 KiB
Ruby
86 lines
2.7 KiB
Ruby
class Integrations::OpenaiBaseService
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# 3.5 support 4,096 tokens
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# 1 token is approx 4 characters
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# 4,096 * 4 = 16,384 characters, sticking to 15,000 to be safe
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TOKEN_LIMIT = 15_000
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API_URL = 'https://api.openai.com/v1/chat/completions'.freeze
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GPT_MODEL = 'gpt-3.5-turbo'.freeze
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ALLOWED_EVENT_NAMES = %w[rephrase summarize reply_suggestion fix_spelling_grammar shorten expand make_friendly make_formal simplify].freeze
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CACHEABLE_EVENTS = %w[].freeze
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pattr_initialize [:hook!, :event!]
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def perform
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return nil unless valid_event_name?
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return value_from_cache if value_from_cache.present?
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response = send("#{event_name}_message")
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save_to_cache(response) if response.present?
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response
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end
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private
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def event_name
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event['name']
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end
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def cache_key
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return nil unless event_is_cacheable?
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conversation = find_conversation
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return nil unless conversation
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# since the value from cache depends on the conversation last_activity_at, it will always be fresh
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format(::Redis::Alfred::OPENAI_CONVERSATION_KEY, event_name: event_name, conversation_id: conversation.id,
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updated_at: conversation.last_activity_at.to_i)
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end
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def value_from_cache
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return nil unless event_is_cacheable?
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return nil if cache_key.blank?
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Redis::Alfred.get(cache_key)
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end
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def save_to_cache(response)
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return nil unless event_is_cacheable?
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Redis::Alfred.setex(cache_key, response)
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end
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def find_conversation
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hook.account.conversations.find_by(display_id: event['data']['conversation_display_id'])
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end
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def valid_event_name?
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# self.class::ALLOWED_EVENT_NAMES is way to access ALLOWED_EVENT_NAMES defined in the class hierarchy of the current object.
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# This ensures that if ALLOWED_EVENT_NAMES is updated elsewhere in it's ancestors, we access the latest value.
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self.class::ALLOWED_EVENT_NAMES.include?(event_name)
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end
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def event_is_cacheable?
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# self.class::CACHEABLE_EVENTS is way to access CACHEABLE_EVENTS defined in the class hierarchy of the current object.
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# This ensures that if CACHEABLE_EVENTS is updated elsewhere in it's ancestors, we access the latest value.
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self.class::CACHEABLE_EVENTS.include?(event_name)
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end
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def make_api_call(body)
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headers = {
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'Content-Type' => 'application/json',
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'Authorization' => "Bearer #{hook.settings['api_key']}"
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}
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Rails.logger.info("OpenAI API request: #{body}")
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response = HTTParty.post(API_URL, headers: headers, body: body)
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Rails.logger.info("OpenAI API response: #{response.body}")
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choices = JSON.parse(response.body)['choices']
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choices.present? ? choices.first['message']['content'] : nil
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end
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end
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