discourse-ai/lib/sentiment/sentiment_classification.rb

75 lines
1.8 KiB
Ruby

# frozen_string_literal: true
module DiscourseAi
module Sentiment
class SentimentClassification
def type
:sentiment
end
def available_models
SiteSetting.ai_sentiment_models.split("|")
end
def can_classify?(target)
content_of(target).present?
end
def get_verdicts(_)
available_models.reduce({}) do |memo, model|
memo[model] = false
memo
end
end
def should_flag_based_on?(_verdicts)
# We don't flag based on sentiment classification.
false
end
def request(target_to_classify)
target_content = content_of(target_to_classify)
available_models.reduce({}) do |memo, model|
memo[model] = request_with(model, target_content)
memo
end
end
private
def request_with(model, content)
::DiscourseAi::Inference::DiscourseClassifier.perform!(
"#{endpoint}/api/v1/classify",
model,
content,
SiteSetting.ai_sentiment_inference_service_api_key,
)
end
def content_of(target_to_classify)
content =
if target_to_classify.post_number == 1
"#{target_to_classify.topic.title}\n#{target_to_classify.raw}"
else
target_to_classify.raw
end
Tokenizer::BertTokenizer.truncate(content, 512)
end
def endpoint
if SiteSetting.ai_sentiment_inference_service_api_endpoint_srv.present?
service =
DiscourseAi::Utils::DnsSrv.lookup(
SiteSetting.ai_sentiment_inference_service_api_endpoint_srv,
)
"https://#{service.target}:#{service.port}"
else
SiteSetting.ai_sentiment_inference_service_api_endpoint
end
end
end
end
end