Class: DbAgile::Core::Repository::Builder

Inherits:
Object
  • Object
show all
Includes:
Environment::Delegator
Defined in:
lib/dbagile/core/repository/builder.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(env) ⇒ Builder

Creates a builder instance



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# File 'lib/dbagile/core/repository/builder.rb', line 11

def initialize(env)
  @environment = env
end

Instance Attribute Details

#environment ⇒ Object (readonly)

Environment to use



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# File 'lib/dbagile/core/repository/builder.rb', line 8

def environment
  @environment
end

Instance Method Details

#confirm(msg, on_no_msg = nil) ⇒ Object

Yields the block if the user confirms something and returns block execution. Returns nil otherwise



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# File 'lib/dbagile/core/repository/builder.rb', line 51

def confirm(msg, on_no_msg = nil)
  say("\n")
  say(msg, :magenta)
  answer = environment.ask(""){|q| q.validate = /^y(es)?|n(o)?|q(uit)?/i}
  case answer.strip
    when /^n/i, /^q/i
      say("\n")
      say(on_no_msg, :magenta) unless on_no_msg.nil?
    when /^y/i
      yield
  end
end

#ensure_repository(&block) ⇒ Object

Ensures that the repository exists. If not, ask the user about creating one in interactive mode; raises an error otherwise. Continues execution with the provided block if required.



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# File 'lib/dbagile/core/repository/builder.rb', line 20

def ensure_repository(&block)
  env = self.environment
  if env.repository_exists?
    block.call if block
  elsif env.interactive?
    where = env.friendly_repository_path
    msg = <<-EOF.gsub(/^\s*\| ?/, '')
    | DbAgile's repository #{where} does not exist. Maybe it's the first time you
    | lauch dba. Do you want to create a fresh repository now?
    EOF
    confirm(msg, "Have a look at 'dba help repo:create'"){
      # create it!
      say("Creating repository #{where}...")
      DbAgile::Core::Repository::create!(env.repository_path)
      say("Repository has been successfully created.")
    
      # continue?
      if block
        msg = "Do you want to continue with previous command execution?"
        confirm(msg, &block)
      end
    }
  else
    # to force an error
    environment.repository
  end
end