Class: Ro::Script::Builder

Inherits:
Object show all
Defined in:
lib/ro/script/builder.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(script:) ⇒ Builder

Returns a new instance of Builder.



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# File 'lib/ro/script/builder.rb', line 9

def initialize(script:)
  @script = script
end

Class Method Details

.run! ⇒ Object 



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# File 'lib/ro/script/builder.rb', line 4

def run!(...)
  new(...).run!
end

Instance Method Details

#data_for(value) ⇒ Object 



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# File 'lib/ro/script/builder.rb', line 186

def data_for(value)
  {}.tap do |hash|
    case value
    when Array
      value.each { |node| hash.update(data_for(node)) }
    when Ro::Node
      hash[value.identifier] = value.to_hash
    else
      raise ArgumentError, "#{value.class}(#{value.inspect})"
    end
  end
end

#filtered_nodes_for(list) ⇒ Object 



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# File 'lib/ro/script/builder.rb', line 207

def filtered_nodes_for(list)
  list.select { |node| select_node?(node) }
end

#global_meta ⇒ Object 



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# File 'lib/ro/script/builder.rb', line 150

def global_meta
  { url: @url }
end

#meta_for(meta) ⇒ Object 



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# File 'lib/ro/script/builder.rb', line 154

def meta_for(meta)
  global_meta.merge(meta)
end

#nodes_for(list) ⇒ Object 



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# File 'lib/ro/script/builder.rb', line 199

def nodes_for(list)
  filtered_nodes_for(sorted_nodes_for(list))
end

#page_for(paginator) ⇒ Object 



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# File 'lib/ro/script/builder.rb', line 176

def page_for(paginator)
  paginator.except(:data).merge(
    {
      curr: paginator[:index],
      prev: ((paginator[:index] - 1) >= paginator[:first] ? (paginator[:index] - 1) : nil),
      next: ((paginator[:index] + 1) <= paginator[:last] ? (paginator[:index] + 1) : nil)
    }
  )
end

#paginator_for(count, size) ⇒ Object 



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# File 'lib/ro/script/builder.rb', line 165

def paginator_for(count, size)
  {
    count:,
    size:,
    first: 0,
    last: count - 1,
    index: 0,
    data: []
  }
end

#rel_for(list, index) ⇒ Object 



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# File 'lib/ro/script/builder.rb', line 158

def rel_for(list, index)
  { curr: list[index].identifier, prev: nil, next: nil }.tap do |rel|
    rel[:prev] = list[index - 1].identifier if (index - 1) >= 0
    rel[:next] = list[index + 1].identifier if (index + 1) <= (list.size - 1)
  end
end

#run! ⇒ Object 



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# File 'lib/ro/script/builder.rb', line 13

def run!
  @url = Ro.config.url
  @root = Ro.config.root
  @directory = Ro.config.build
  @page_size = Ro.config.page_size
  @collections = Ro.root.collections.sort_by(&:name)

  @build = {}
  @nodes = []

  @started_at = Time.now.to_f
  @finished_at = nil
  @elapsed = nil

  # for all node collections...
  #
  @collections.each do |collection|
    type = collection.type
    name = collection.name
    nodes = nodes_for(collection)

    count = nodes.size
    last = count - 1
    page_count = (count / @page_size.to_f).ceil
    paginator = paginator_for(page_count, @page_size)

    nodes.each_with_index do |node, index|
      @nodes << node
      id = node.id

      # enhance with links to next/prev
      #
      rel = rel_for(nodes, index)
      node.attributes[:_meta][:rel] = rel

      # node data
      #
      data = data_for(node)
      _meta = meta_for(type:, id:)
      path = "#{type}/#{id}/index.json"
      @build[path] = { data:, _meta: }

      # paginate data
      #
      paginator[:data].push(node)
      generate_page = ((paginator[:data].size == paginator[:size]) || (index == last))
      next unless generate_page

      page = page_for(paginator)
      data = data_for(paginator[:data])
      _meta = meta_for(type:, page:)
      pageno = page[:index] + 1
      path = "#{type}/index-#{pageno}.json" # eg. posts/page-$pageno.json
      @build[path] = { data:, _meta: }

      paginator[:data].clear
      paginator[:index] += 1
    end

    data = data_for(nodes)
    _meta = meta_for(type:)
    path = "#{type}/index.json" # eg. posts/index.json
    @build[path] = { data:, _meta: }
  end

  # annnnd for all nodes...
  #
  count = @nodes.size
  last = count - 1
  page_count = (count / @page_size.to_f).ceil
  paginator = paginator_for(page_count, @page_size)

  @nodes.each_with_index do |node, index|
    # enhance with links to next/prev
    #
    rel = rel_for(@nodes, index)
    node.attributes[:_meta][:rel] = rel

    paginator[:data].push(node)
    should_generate_page = ((paginator[:data].size == paginator[:size]) || (index == last))
    next unless should_generate_page

    types = paginator[:data].map(&:type).sort.uniq
    page = page_for(paginator)
    data = data_for(paginator[:data])
    _meta = meta_for(types:, page:)

    pageno = page[:index] + 1
    path = "index-#{pageno}.json" # eg. page-$pageno.json
    @build[path] = { data:, _meta: }

    paginator[:data].clear
    paginator[:index] += 1
  end

  # index.json
  #
  types = @collections.map(&:type).sort
  data = data_for(@nodes)
  _meta = meta_for(types:)
  path = 'index.json'
  @build[path] = { data:, _meta: }

  # now output the build
  #
  @script.say("ro.build: #{@root} -> #{@directory}", color: :magenta)

  FileUtils.rm_rf(@directory)
  FileUtils.mkdir_p(File.dirname(@directory))
  #FileUtils.cp_r(@root, @directory)

  Ro::Path.for(@directory).glob('**/**') do |entry|
    next unless test('f', entry)

    @script.say("ro.build: #{entry}", color: :blue)
  end

  @build.each do |subpath, data|
    path = Ro::Path.for(@directory, subpath)
    @script.say("ro.build: #{path}", color: :yellow)
    Ro.error! "#{path} would be clobbered" if path.exist?

    if data.is_a?(String)
      path.binwrite(data)
    else
      path.binwrite(JSON.pretty_generate(data))
    end
  end

  # show stats
  #
  @finished_at = Time.now.to_f
  @elapsed = (@finished_at - @started_at).round(2)

  @script.say("ro.build: #{@root} -> #{@directory} in #{@elapsed}s", color: :green)
end

#select_node?(node) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ro/script/builder.rb', line 211

def select_node?(node)
  now = Time.now.utc

  hidden = Ro.cast(:bool, node.attributes.fetch(:hidden) { false })
  published = Ro.cast(:bool, node.attributes.fetch(:published) { true })
  published_at = Ro.cast(:time, node.attributes.fetch(:published_at) { now.iso8601 })

  ((not hidden) && (published) && (published_at <= now))
end

#sorted_nodes_for(list) ⇒ Object 



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# File 'lib/ro/script/builder.rb', line 203

def sorted_nodes_for(list)
  list.to_a.sort
end