Class: Shepherd::Db

Inherits:
Object
  • Object
show all
Defined in:
lib/shepherd/db.rb

Overview

A class through which you can connect to the database.

Usage

module Shepherd
   Db.new.execute "sql query"
end

Inside a Shepherd::Command::Klass, it would look like:

module Shepherd::Command
   class Klass
      def init
         Shepherd::Db.new.execute "sql query"
      end
   end
end

Here is SQLite3 documantation. Shepherd::Db.new is equal to SQLite3::Database.new so there you’ve got a complete documentation.

Defined Under Namespace

Classes: DatabaseNotFound

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Db

Returns a new instance of Db.

Raises:



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# File 'lib/shepherd/db.rb', line 30

def initialize
  raise DatabaseNotFound, "Error: database file not found: '#{Dir.home}/.shepherd/herd.db'\nTry running 'shep setup'." unless File.exists? "#{Dir.home}/.shepherd/herd.db"
  # A new instance of +SQLite3::Database+
  @db = SQLite3::Database.new "#{Dir.home}/.shepherd/herd.db"
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(m, *args, &block) ⇒ Object 



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# File 'lib/shepherd/db.rb', line 36

def method_missing m, *args, &block
  @db.send m, *args, &block
end