|
| 1 | +# frozen_string_literal: true |
| 2 | + |
| 3 | +desc "Creates sample sentiment / emotion data" |
| 4 | +task "ai:sentiment:populate", [:start_post] => [:environment] do |_, args| |
| 5 | + raise "Don't run this task in production!" if Rails.env.production? |
| 6 | + |
| 7 | + Post |
| 8 | + .joins(<<~SQL) |
| 9 | + LEFT JOIN classification_results ON |
| 10 | + posts.id = classification_results.target_id AND |
| 11 | + classification_results.target_type = 'Post' AND |
| 12 | + model_used = 'cardiffnlp/twitter-roberta-base-sentiment-latest' |
| 13 | + SQL |
| 14 | + .where("classification_results.id IS NULL") |
| 15 | + .where("posts.id > ?", args[:start_post].to_i || 0) |
| 16 | + .find_each do |post| |
| 17 | + positive = rand(0.0..1.0) |
| 18 | + negative = rand(0.0..(1.0 - positive)) |
| 19 | + neutral = 1 - positive - negative |
| 20 | + |
| 21 | + ClassificationResult.create!( |
| 22 | + target_id: post.id, |
| 23 | + model_used: "cardiffnlp/twitter-roberta-base-sentiment-latest", |
| 24 | + classification_type: "sentiment", |
| 25 | + target_type: "Post", |
| 26 | + classification: { |
| 27 | + neutral: neutral, |
| 28 | + positive: positive, |
| 29 | + negative: negative, |
| 30 | + }, |
| 31 | + ) |
| 32 | + end |
| 33 | + |
| 34 | + Post |
| 35 | + .joins(<<~SQL) |
| 36 | + LEFT JOIN classification_results ON |
| 37 | + posts.id = classification_results.target_id AND |
| 38 | + classification_results.target_type = 'Post' AND |
| 39 | + classification_results.model_used = 'SamLowe/roberta-base-go_emotions' |
| 40 | + SQL |
| 41 | + .where("classification_results.id IS NULL") |
| 42 | + .where("posts.id > ?", args[:start_post].to_i || 0) |
| 43 | + .find_each do |post| |
| 44 | + emotions = |
| 45 | + DiscourseAi::Sentiment::Emotions::LIST |
| 46 | + .shuffle |
| 47 | + .reduce({}) do |acc, emotion| |
| 48 | + current_sum = acc.values.sum |
| 49 | + acc.merge(emotion => rand(0.0..(1.0 - current_sum))) |
| 50 | + end |
| 51 | + |
| 52 | + emotions["neutral"] = 1 - (emotions.values.sum - emotions["neutral"]) |
| 53 | + |
| 54 | + ClassificationResult.create!( |
| 55 | + target_id: post.id, |
| 56 | + model_used: "SamLowe/roberta-base-go_emotions", |
| 57 | + classification_type: "sentiment", |
| 58 | + target_type: "Post", |
| 59 | + classification: emotions, |
| 60 | + ) |
| 61 | + end |
| 62 | +end |
0 commit comments