Class: TRMNLP::Context

Inherits:
Object
  • Object
show all
Defined in:
lib/trmnlp/context.rb

Defined Under Namespace

Classes: TemplateBinding

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(root_dir) ⇒ Context

Returns a new instance of Context.



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# File 'lib/trmnlp/context.rb', line 15

def initialize(root_dir)
  @paths = Paths.new(root_dir)
  @config = Config.new(paths)
end

Instance Attribute Details

#config ⇒ Object (readonly)

Returns the value of attribute config.



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# File 'lib/trmnlp/context.rb', line 13

def config
  @config
end

#paths ⇒ Object (readonly)

Returns the value of attribute paths.



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# File 'lib/trmnlp/context.rb', line 13

def paths
  @paths
end

Instance Method Details

#on_view_change(&block) ⇒ Object 



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# File 'lib/trmnlp/context.rb', line 45

def on_view_change(&block)
  @view_change_callback = block
end

#poll_data ⇒ Object 



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# File 'lib/trmnlp/context.rb', line 62

def poll_data
  return unless config.plugin.polling?

  data = {}

  if config.plugin.polling_urls.empty?
    raise Error, "config must specify polling_url or polling_urls"
  end

  config.plugin.polling_urls.each.with_index do |url, i|
    verb = config.plugin.polling_verb.upcase

    print "#{verb} #{url}... "

    conn = Faraday.new(url:, headers: config.plugin.polling_headers)

    case verb
    when 'GET'
      response = conn.get
    when 'POST'
      response = conn.post do |req|
        req.body = config.plugin.polling_body
      end
    end

    puts "received #{response.body.length} bytes (#{response.status} status)"
    if response.status == 200
      json = wrap_array(JSON.parse(response.body))
    else
      json = {}
      puts response.body
    end
    
    if config.plugin.polling_urls.count == 1
      # For a single polling URL, we just return the JSON directly
      data = json
      break
    else
      # Multiple URLs are namespaced by index
      data["IDX_#{i}"] = json
    end
  end

  write_user_data(data)

  data
rescue StandardError => e
  puts "error: #{e.message}"
  {}
end

#put_webhook(payload) ⇒ Object 



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# File 'lib/trmnlp/context.rb', line 113

def put_webhook(payload)
  data = wrap_array(JSON.parse(payload))
  write_user_data(data)
rescue
  puts "webhook error: #{e.message}"
end

#render_full_page(view) ⇒ Object 



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# File 'lib/trmnlp/context.rb', line 137

def render_full_page(view)
  template = paths.render_template.read
  
  ERB.new(template).result(TemplateBinding.new(self, view).get_binding do
    render_template(view)
  end)
end

#render_template(view) ⇒ Object 



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# File 'lib/trmnlp/context.rb', line 120

def render_template(view)
  template_path = paths.template(view)
  return "Missing template: #{template_path}" unless template_path.exist?

  shared_template_path = paths.shared_template
  if shared_template_path.exist?
    full_markup = shared_template_path.read + template_path.read
  else
    full_markup = template_path.read
  end

  user_template = Liquid::Template.parse(full_markup, environment: liquid_environment)
  user_template.render(user_data)
rescue StandardError => e
  e.message
end

#screen_classes ⇒ Object 



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# File 'lib/trmnlp/context.rb', line 145

def screen_classes
  classes = 'screen'
  classes << ' screen--no-bleed' if config.plugin.no_screen_padding == 'yes'
  classes << ' dark-mode' if config.plugin.dark_mode == 'yes'
  classes
end

#start_filewatcher ⇒ Object 



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# File 'lib/trmnlp/context.rb', line 24

def start_filewatcher
  @filewatcher_thread ||= Thread.new do
    loop do
      begin
        Filewatcher.new(config.project.watch_paths).watch do |changes|
          config.project.reload!
          config.plugin.reload!
          new_user_data = user_data

          views = changes.map { |path, _change| File.basename(path, '.liquid') }
          views.each do |view|
            @view_change_callback.call(view, new_user_data) if @view_change_callback
          end
        end
      rescue => e
        puts "Error during live render: #{e}"
      end
    end
  end
end

#user_data ⇒ Object 



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# File 'lib/trmnlp/context.rb', line 49

def user_data
  merged_data = base_trmnl_data

  if config.plugin.static?
    merged_data.merge!(config.plugin.static_data)
  elsif paths.user_data.exist?
    merged_data.merge!(JSON.parse(paths.user_data.read))
  end

  # Praise be to ActiveSupport
  merged_data.deep_merge!(config.project.user_data_overrides)
end

#validate! ⇒ Object

Raises:



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# File 'lib/trmnlp/context.rb', line 20

def validate!
  raise Error, "not a plugin directory (did not find #{paths.trmnlp_config})" unless paths.valid?
end