Class: SycLink::Designer

Inherits:
Object
  • Object
show all
Includes:
Infrastructure
Defined in:
lib/syclink/designer.rb

Overview

Creates a designer that acts as a proxy between the user and the website. The designer will create a website with the provided title.

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Infrastructure

#copy_file_if_missing, #create_directory_if_missing, #html_file, #load_config, #yaml_file

Instance Attribute Details

#website ⇒ Object

The website the designer is working on



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# File 'lib/syclink/designer.rb', line 16

def website
  @website
end

Instance Method Details

Adds a link based on the provided arguments to the website



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# File 'lib/syclink/designer.rb', line 24

def add_link(url, args = {})
  website.add_link(Link.new(url, args))
end

#add_links_from_file(file) ⇒ Object

Reads arguments from a CSV file and creates links accordingly. The links are added to the websie



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# File 'lib/syclink/designer.rb', line 30

def add_links_from_file(file)
  File.foreach(file) do |line|
    next if line.chomp.empty?
    url, name, description, tag = line.chomp.split(';')
    website.add_link(Link.new(url, { name: name,
                                     description: description,
                                     tag: tag }))
  end
end

#create_website(directory, template_filename) ⇒ Object

Creates the html representation of the website. The website is saved to the directory with websites title and needs an erb-template where the links are integrated to. An example template can be found at templates/syclink.html.erb



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# File 'lib/syclink/designer.rb', line 121

def create_website(directory, template_filename)
  template = File.read(template_filename)
  File.open(html_file(directory, website.title), 'w') do |f|
    f.puts website.to_html(template)
  end 
end

#delete_website(directory) ⇒ Object

Deletes the website if it already exists



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# File 'lib/syclink/designer.rb', line 111

def delete_website(directory)
  if File.exists? yaml_file(directory, website.title)
    FileUtils.rm(yaml_file(directory, website.title)) 
  end
end

#export(format) ⇒ Object

Export links to specified format



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# File 'lib/syclink/designer.rb', line 48

def export(format)
  message = "to_#{format.downcase}"
  if website.respond_to? message
    website.send(message)
  else
    raise "cannot export to #{format}"
  end
end

#find_links(search) ⇒ Object

Finds links based on a search string



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# File 'lib/syclink/designer.rb', line 63

def find_links(search)
  website.find_links(search)
end

#import_links(importer) ⇒ Object

Accepts and SycLink::Importer to import Links and add them to the website



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# File 'lib/syclink/designer.rb', line 41

def import_links(importer)
  importer.links.each do |link|
    website.add_link(link)
  end
end

#list_links(args = {}) ⇒ Object

List links contained in the website and optionally filter on attributes



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# File 'lib/syclink/designer.rb', line 58

def list_links(args = {})
  website.list_links(args)
end

#load_website(website) ⇒ Object

Loads a website based on the provided YAML-file and asigns it to the designer to operate on



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# File 'lib/syclink/designer.rb', line 106

def load_website(website)
  @website = YAML.load_file(website)
end

#merge_links ⇒ Object

Merge links with same URL



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# File 'lib/syclink/designer.rb', line 84

def merge_links
  website.merge_links_on(:url)
end

#new_website(title = "SYC LINK") ⇒ Object

Creates a new website where designer can operate on



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# File 'lib/syclink/designer.rb', line 19

def new_website(title = "SYC LINK")
  @website = Website.new(title)
end

#remove_links(urls) ⇒ Object

Deletes one or more links from the website. Returns the deleted links. Expects the links provided in an array



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# File 'lib/syclink/designer.rb', line 90

def remove_links(urls)
  urls.map { |url| list_links({ url: url }) }.flatten.compact.each do |link|
    website.remove_link(link)
  end
end

#save_website(directory) ⇒ Object

Saves the website to the specified directory with the downcased name of the website and the extension ‘website’. The website is save as YAML



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# File 'lib/syclink/designer.rb', line 98

def save_website(directory)
  File.open(yaml_file(directory, website.title), 'w') do |f|
    YAML.dump(website, f)
  end
end

#update_link(url, args) ⇒ Object

Updates a link. The link is identified by the URL. If there is more than one link with the same URL, only the first link is updated



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# File 'lib/syclink/designer.rb', line 69

def update_link(url, args)
  website.find_links(url).first.update(args)
end

#update_links_from_file(file) ⇒ Object 



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# File 'lib/syclink/designer.rb', line 73

def update_links_from_file(file)
  File.foreach(file) do |line|
    next if line.chomp.empty?
    url, name, description, tag = line.chomp.split(';')
    website.find_links(url).first.update({ name:        name,
                                           description: description,
                                           tag:         tag })
  end
end