Class: FaaStRuby::Template

Inherits:
Object
  • Object
show all
Defined in:
lib/faastruby/cli/template.rb,
lib/faastruby/server/template.rb

Constant Summary collapse

TYPES = 
['local', 'git', 'github']

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(variables: {}) ⇒ Template

Returns a new instance of Template.



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# File 'lib/faastruby/cli/template.rb', line 9

def initialize(type:, source:)
  FaaStRuby::CLI.error(["Unknown template type: '#{type}'. Valid types are:", TYPES], color: nil) unless TYPES.include?(type)
  @type = type
  @source = source
end

Instance Attribute Details

#source ⇒ Object

Returns the value of attribute source.



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# File 'lib/faastruby/cli/template.rb', line 8

def source
  @source
end

#target ⇒ Object

Returns the value of attribute target.



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# File 'lib/faastruby/cli/template.rb', line 8

def target
  @target
end

#type ⇒ Object

Returns the value of attribute type.



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# File 'lib/faastruby/cli/template.rb', line 8

def type
  @type
end

Class Method Details

.gem_template_path_for(name, runtime:) ⇒ Object 



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# File 'lib/faastruby/cli/template.rb', line 4

def self.gem_template_path_for(name, runtime:)
  "#{Gem::Specification.find_by_name("faastruby").gem_dir}/templates/#{runtime}/#{name}"
end

Instance Method Details

#copy_file(source:, destination:) ⇒ Object 



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# File 'lib/faastruby/cli/template.rb', line 73

def copy_file(source:, destination:)
  if File.file?(destination) && !@force
    print "File '#{destination}' already exists. Overwrite? [y/N] "
    answer = STDIN.gets.chomp
    return(puts "[skipped] #{destination}") unless ['y', 'Y'].include?(answer)
  end
  FileUtils.cp(source, destination)
  puts "+ f #{@output_prefix}#{destination}".green
end

#create_dir(dir) ⇒ Object 



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# File 'lib/faastruby/cli/template.rb', line 64

def create_dir(dir)
  if File.directory?(dir)
    puts "! d #{@output_prefix}#{dir}".yellow
  else
    FileUtils.mkdir_p(dir)
    puts "+ d #{@output_prefix}#{dir}".green
  end
end

#git? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/faastruby/cli/template.rb', line 87

def git?
  type == 'git'
end

#git_pull(repo, local_dir) ⇒ Object 



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# File 'lib/faastruby/cli/template.rb', line 38

def git_pull(repo, local_dir)
  FaaStRuby::CLI.error("Could not clone repository #{repo} into #{local_dir}") unless
    system("git clone #{repo} #{local_dir}")
end

#github? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/faastruby/cli/template.rb', line 91

def github?
  type == 'github'
end

#install(to:, force: false, print_base_dir: false) ⇒ Object 



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# File 'lib/faastruby/cli/template.rb', line 15

def install(to:, force: false, print_base_dir: false)
  @output_prefix = print_base_dir ? "#{print_base_dir}/" : ""
  @target = to
  @force = force
  FaaStRuby::CLI.error("Could not determine the target path for template '#{type}:#{source}'. Please report this bug at https://github.com/FaaStRuby/faastruby-cli/issues", color: nil) unless target
  return install_from_folder(source) if local?
  return install_from_git(source) if git?
  return install_from_github if github?
end

#install_from_folder(folder) ⇒ Object 



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# File 'lib/faastruby/cli/template.rb', line 43

def install_from_folder(folder)
  folder = File.expand_path(folder)
  folder_exists = File.directory?(folder)
  folder_exists ? install_from_folder_run(folder) : FaaStRuby::CLI.error("Could not find folder #{folder}")
end

#install_from_folder_run(folder) ⇒ Object 



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# File 'lib/faastruby/cli/template.rb', line 49

def install_from_folder_run(folder)
  if File.directory?(target)
    puts "! d #{@output_prefix}#{target}".yellow
  else
    FileUtils.mkdir_p(target)
    puts "+ d #{@output_prefix}#{target}".green
  end
  Dir.glob("**/*", base: folder).each do |entry|
    full_source_path = "#{folder}/#{entry}"
    full_target_path = "#{target}/#{entry}"
    create_dir(full_target_path) if File.directory?(full_source_path)
    copy_file(source: full_source_path, destination: full_target_path) if File.file?(full_source_path)
  end
end

#install_from_git(repo) ⇒ Object 



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# File 'lib/faastruby/cli/template.rb', line 30

def install_from_git(repo)
  local_dir = Dir.mktmpdir
  git_pull(repo, local_dir)
  install_from_folder(local_dir)
ensure
  FileUtils.remove_entry local_dir
end

#install_from_github ⇒ Object 



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# File 'lib/faastruby/cli/template.rb', line 25

def install_from_github
  repo = "[email protected]:/#{source}.git"
  install_from_git(repo)
end

#local? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/faastruby/cli/template.rb', line 83

def local?
  type == 'local'
end

#render(file) ⇒ Object 



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# File 'lib/faastruby/server/template.rb', line 9

def render(file)
  ERB.new(File.read(file)).result(binding)
end