Class: Foliokit::Exporter

Inherits:
Object
  • Object
show all
Defined in:
lib/foliokit/exporter.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(issue) ⇒ Exporter

Returns a new instance of Exporter.



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# File 'lib/foliokit/exporter.rb', line 6

def initialize(issue)
  @issue = issue
  @converted = false
end

Instance Attribute Details

#converted ⇒ Object (readonly)

Returns the value of attribute converted.



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# File 'lib/foliokit/exporter.rb', line 4

def converted
  @converted
end

#issue ⇒ Object

Returns the value of attribute issue.



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# File 'lib/foliokit/exporter.rb', line 3

def issue
  @issue
end

#output_dir ⇒ Object (readonly)

Returns the value of attribute output_dir.



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# File 'lib/foliokit/exporter.rb', line 4

def output_dir
  @output_dir
end

Instance Method Details

#build_html(url: nil, cover: nil, &block) ⇒ Object 



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# File 'lib/foliokit/exporter.rb', line 57

def build_html(url: nil, cover: nil, &block)
  builder = Nokogiri::HTML::Builder.new do |b|
    b.doc.internal_subset.remove
    b.doc.create_internal_subset('html', nil, nil)
    b.html do
      b.head do
        b.meta("http-equiv" => 'Content-Type', content: "text/html; charset=UTF-8")
        b.title(issue.title)
        b.meta(charset: 'utf-8')
        b.meta("http-equiv" => 'X-UA-Compatible', content: "IE=edge,chrome=1")
        b.meta(name: 'viewport', content: "width=#{issue.width}.00,minimum-scale=.2,user-scalable=no")
        b.meta(name: 'description', content: issue.description)
        b.meta(name: 'author', content: "MagLoft")
        b.meta(property: 'og:url', content: url) unless url.nil?
        b.meta(property: 'og:image', content: cover) unless cover.nil?
        b.meta(property: 'og:type', content: "website")
        b.meta(property: 'og:title', content: issue.title)
        b.meta(property: 'og:description', content: issue.description)
        b.meta(property: 'fb:app_id', content: "631288863616870")
        b.link(rel: 'stylesheet', href: "foliokit.css")
      end
      b.body do
        b.div(class: "foliokit-wrapper") do
          b.div(class: "foliokit-container swiper-container", style: "width: #{issue.width}px; height: #{issue.height}px") do
            b.div(class: "swiper-wrapper") do |wrapper_h|
              issue.slides.each_with_index do |slide, x|
                yield(slide, x) if block_given?
                if slide.articles.length > 1
                  b.article(class: "swiper-slide swiper-container") do
                    b.div(class: "swiper-wrapper") do |wrapper_v|
                      slide.articles.each_with_index do |article, y|
                        wrapper_v << article.export(b.doc, x, y)
                      end
                    end
                  end
                else
                  wrapper_h << slide.articles.first.export(b.doc, x, 0)
                end
              end
            end
          end
        end
        b.script(type: 'text/javascript', src: "foliokit.js")
      end
    end
  end
  builder.doc.to_html(indent: 4)
end

#export(dir, url: nil, cover: nil, &block) ⇒ Object 



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# File 'lib/foliokit/exporter.rb', line 11

def export(dir, url: nil, cover: nil, &block)
  spec = Gem::Specification.find_by_name("foliokit")
  assets_dir = Workspace::Dir.new(spec.gem_dir).dir("assets")
  issue_dir = issue.dir
  dir.clean
  dir.file("index.html").write(build_html(url: url, cover: cover, &block))
  issue.store_assets(dir.dir("assets"))
  issue_dir.dir("html").copy(dir.dir("html")) if issue_dir.dir("html").exists?
  assets_dir.file("foliokit.css").copy(dir.file("foliokit.css"))
  assets_dir.file("foliokit.js").copy(dir.file("foliokit.js"))
  @output_dir = dir
  @converted = true
  true
end

#pack_hpub(hpub_file) ⇒ Object 



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# File 'lib/foliokit/exporter.rb', line 26

def pack_hpub(hpub_file)
  # export book.json
  book_json = {
    "hpub": 1,
    "title": issue.title,
    "author": ["MagLoft"],
    "creator": ["MagLoft"],
    "date": Date.today.strftime,
    "url": "book://#{issue.package.id}",
    "orientation": issue.package.manifest.orientation,
    "zoomable": false,
    "-baker-background": "#FFFFFF",
    "-baker-vertical-bounce": false,
    "-baker-media-autoplay": true,
    "-baker-page-numbers-color": "#000000",
    "-baker-rendering": "three-cards",
    "cover": "cover.jpg",
    "navigator": "disable",
    "contents": ["index.html"]
  }
  output_dir.file("book.json").write(JSON.dump(book_json))
  output_dir.file(".nomedia").write("")
  # export cover
  rendition = issue.slides.first.articles.first.content_stack.renditions(0).first.slices.first
  cover_file = output_dir.file("cover.jpg")
  issue.dir.file(rendition.src).copy(cover_file)
  cover_file.fit(width: 768, height: 1024)
  # compress hpub
  output_dir.compress(hpub_file)
end