discourse-ai/db/post_migrate/20240619211337_update_autom...

57 lines
1.6 KiB
Ruby

# frozen_string_literal: true
class UpdateAutomationScriptModels < ActiveRecord::Migration[7.0]
def up
script_names = %w[llm_triage llm_report]
fields_to_update = DB.query(<<~SQL, script_names: script_names)
SELECT fields.id, fields.metadata
FROM discourse_automation_fields fields
INNER JOIN discourse_automation_automations automations ON automations.id = fields.automation_id
WHERE fields.name = 'model'
AND automations.script IN (:script_names)
SQL
return if fields_to_update.empty?
updated_fields =
fields_to_update
.map do |field|
new_metadata = { "value" => translate_model(field.metadata["value"]) }.to_json
"(#{field.id}, '#{new_metadata}')" if new_metadata.present?
end
.compact
return if updated_fields.empty?
DB.exec(<<~SQL)
UPDATE discourse_automation_fields AS fields
SET metadata = new_fields.metadata::jsonb
FROM (VALUES #{updated_fields.join(", ")}) AS new_fields(id, metadata)
WHERE new_fields.id::bigint = fields.id
SQL
end
def translate_model(current_model)
options = DB.query(<<~SQL, name: current_model.to_s).to_a
SELECT id, provider
FROM llm_models
WHERE name = :name
SQL
return if options.empty?
return "custom:#{options.first.id}" if options.length == 1
priority_provider = options.find { |o| o.provider == "aws_bedrock" || o.provider == "vllm" }
return "custom:#{priority_provider.id}" if priority_provider
"custom:#{options.first.id}"
end
def down
raise ActiveRecord::IrreversibleMigration
end
end