Class: PromptsController

Inherits:
ApplicationController
  • Object
show all
Includes:
ChatManager::ChatManageable, PromptNavigator::HistoryManageable
Defined in:
lib/generators/llm_meta_client/scaffold/templates/app/controllers/prompts_controller.rb

Instance Method Summary collapse

Instance Method Details

#destroy ⇒ Object

Leaf-only delete. Re-checks leaf status server-side (a branch could have been added after the page rendered) so the tree can never be corrupted.



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# File 'lib/generators/llm_meta_client/scaffold/templates/app/controllers/prompts_controller.rb', line 39

def destroy
  pe = PromptNavigator::PromptExecution.find_by!(execution_id: params[:id])
  scope = user_signed_in? ? current_user.chats : Chat.where(user_id: nil)
  chat = Message.where(prompt_navigator_prompt_execution_id: pe.id).first&.chat

  unless chat && scope.exists?(id: chat.id)
    redirect_to(root_path, alert: "Prompt not found.")
    return
  end

  if PromptNavigator::PromptExecution.where(previous_id: pe.id).exists?
    redirect_to(prompt_path(pe.execution_id), alert: "Cannot delete: this prompt has follow-up branches.")
    return
  end

  ActiveRecord::Base.transaction do
    Message.where(prompt_navigator_prompt_execution_id: pe.id).delete_all
    pe.delete
  end

  redirect_to chat_path(chat.uuid), notice: "Prompt deleted."
rescue ActiveRecord::RecordNotFound
  redirect_to root_path, alert: "Prompt not found."
end

#show ⇒ Object 



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# File 'lib/generators/llm_meta_client/scaffold/templates/app/controllers/prompts_controller.rb', line 6

def show
  @prompt_execution = PromptNavigator::PromptExecution.find_by!(execution_id: params[:id])
  @message = Message.where(prompt_navigator_prompt_execution: @prompt_execution).order(:created_at).first
  @chat = @message.chat
  @messages = @chat.ordered_messages

  # Initialize chat context
  initialize_chat current_user&.chats

  # Initialize history
  initialize_history @chat.ordered_by_descending_prompt_executions

  # Get LLM options available for users
  jwt_token = current_user.jwt_token if user_signed_in?
  @llm_families = LlmMetaClient::ServerResource.available_llm_families(jwt_token)

  # Set the target message ID for scrolling
  @target_message_id = @message.id

  # Set active UUID for history sidebar highlighting
  set_active_message_uuid(@prompt_execution.execution_id)

  # Set branch_from_uuid so the form knows which message to branch from
  @branch_from_uuid = @prompt_execution.execution_id

  render "chats/edit"
rescue StandardError => e
  Rails.logger.error "Error in PromptsController#show_by_uuid: #{e.class} - #{e.message}\n#{e.backtrace&.join("\n")}"
  redirect_to root_path, alert: "Message not found."
end