Class: Maglev::Generators::InstallGenerator

Inherits:
Rails::Generators::Base
  • Object
show all
Defined in:
lib/generators/maglev/install/install_generator.rb

Instance Method Summary collapse

Instance Method Details

#create_initializer ⇒ Object 



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# File 'lib/generators/maglev/install/install_generator.rb', line 11

def create_initializer
  create_file "config/initializers/maglev.rb", <<~RUBY
    # frozen_string_literal: true

    Maglev.configure do |config|
      config.embedding_provider do |provider|
        provider.url = ENV.fetch("MAGLEV_EMBEDDING_URL", "https://api.openai.com/v1")
        provider.api_key = ENV["MAGLEV_EMBEDDING_API_KEY"]
        provider.model = "text-embedding-3-small"
        provider.dimensions = #{options[:embedding_dimensions]}
      end

      config.generation_provider do |provider|
        provider.url = ENV.fetch("MAGLEV_GENERATION_URL", "https://api.openai.com/v1")
        provider.api_key = ENV["MAGLEV_GENERATION_API_KEY"]
        provider.model = "gpt-4.1-mini"
      end

      config.chunk_size = 1000
    end
  RUBY
end

#create_migration ⇒ Object 



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# File 'lib/generators/maglev/install/install_generator.rb', line 34

def create_migration
  create_file "db/migrate/#{migration_timestamp}_create_maglev_chunks.rb", <<~RUBY
    # frozen_string_literal: true

    class CreateMaglevChunks < ActiveRecord::Migration[7.1]
      def change
        enable_extension "vector"

        create_table :maglev_chunks do |t|
          t.string :owner_type, null: false
          t.bigint :owner_id, null: false
          t.string :owner_model_name, null: false
          t.string :source, null: false
          t.integer :chunk_index, null: false
          t.text :content, null: false
          t.string :content_checksum, null: false
          t.string :embedding_model, null: false
          t.vector :embedding, limit: #{options[:embedding_dimensions]}, null: false
          t.timestamps
        end

        add_index :maglev_chunks, [:owner_type, :owner_id, :source, :chunk_index], unique: true, name: "index_maglev_chunks_on_owner_source_chunk"
        add_index :maglev_chunks, :owner_model_name
        add_index :maglev_chunks, :embedding, using: :hnsw, opclass: :vector_cosine_ops
      end
    end
  RUBY
end