Class: Cogy::CogyController

Inherits:
ApplicationController show all
Defined in:
app/controllers/cogy/cogy_controller.rb

Overview

This is the entry point to the host application.

All Cogy-command invocations of the users end up being served by this controller (#command).

Instance Method Summary collapse

Instance Method Details

#command ⇒ Object

POST /<mount_path>/cmd/:cmd

Executes the requested Cogy::Command and returns the result.



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# File 'app/controllers/cogy/cogy_controller.rb', line 12

def command
  cmd = params[:cmd]
  args = params.select { |k, _| k.start_with?("COG_ARGV_") }.to_unsafe_h
               .sort_by { |k, _| k.match(/\d+\z/)[0] }.to_h.values
  opts = params.select { |k, _| k.start_with?("COG_OPT_") }
               .transform_keys { |k| k.sub("COG_OPT_", "").downcase }
  user = params["COG_CHAT_HANDLE"]
  cog_env = request.request_parameters

  begin
    if (command = Cogy.commands[cmd])
      context = Context.new(command, args, opts, user, cog_env)

      result = if command.readonly
                 ActiveRecord::Base.connected_to(role: Cogy.readonly_role) do
                   context.invoke
                 end
               else
                 context.invoke
               end

      if result.is_a?(Hash)
        result = "COG_TEMPLATE: #{command.template || command.name}\n" \
                 "JSON\n" \
                 "#{result.to_json}"
      end
      render plain: result
    else
      render status: 404, plain: "The command '#{cmd}' does not exist."
    end
  rescue ActiveRecord::ReadOnlyError
    render status: 500, plain: "ActiveRecord::ReadOnlyError: " \
                               "Write SQL query attempted while in readonly mode.\n" \
                               "Please define the '#{cmd}' command using the " \
                               "`readonly: false` option.\n"
  rescue => e
    @user = user
    @cmd = cmd
    @exception = e
    respond_to do |format|
      format.any do
        render "/cogy/error", formats: :text, content_type: "text/plain", status: 500
      end
    end
  end
end

#inventory ⇒ Object

GET /<mount_path>/inventory

Returns the bundle config in YAML format, which is installable by Cog. It is typically hit by cogy:install (https://github.com/skroutz/cogy-bundle).



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# File 'app/controllers/cogy/cogy_controller.rb', line 63

def inventory
  render body: Cogy.bundle_config.to_yaml, content_type: "application/x-yaml"
end