Class: Mysql

Inherits:
Object
  • Object
show all
Defined in:
lib/eedb/mysql.rb

Class Method Summary collapse

Class Method Details

.cleanup_file(file) ⇒ Object 



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# File 'lib/eedb/mysql.rb', line 29

def self.cleanup_file(file)
  other_server = nil
  
  if file.is_a?(Symbol)
    other_server = :remote if file == :local
    other_server = :local if file == :remote
    
    file = const_get(file.to_s.upcase + "_DUMP_FILE")
  end
  
  cleaned_file = File.expand_path(file + ".cleaned")
  
  # only clean it if we know what server it's going to
  if other_server
    contents = File.new(file, "r").read
    
    if other_server == :remote
      first, second = "local", "remote"
      # if remote is the server, we want to substitue all local for remote
    else
      first, second = "remote", "local"
      # if local is the server, we want to substitue all remote for local
    end
    
    PATTERNS.each do |name, pattern|
      f = pattern[first]
      r = pattern[second]
    
      f_escaped = Regexp.escape(f)
      f_regex = Regexp.new(f_escaped)
      s_regex = Regexp.new(REGEX.gsub(/:search/, f_escaped))
      difference = r.length - f.length
    
      # first, update any s: freaking strings
      contents.gsub!(s_regex) do |match|
        parts = match.scan(s_regex).first
        number = parts[0].to_i + difference
        "s:#{number}:\\\"#{r}#{parts[1]}\\\";"
      end
    
      # then just update all remaining instances of it
      contents.gsub!(f_regex, r)
    end
  end#if server
  
  # save the cleaned file
  File.open(cleaned_file, "w+") do |f|
    f.write(contents)
  end
  
  # return the cleaned file path
  cleaned_file
end

.dump(server, backup = false) ⇒ Object 



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# File 'lib/eedb/mysql.rb', line 2

def self.dump(server, backup = false)
  options = PREFS["databases"][server.to_s]["options"].to_mysql_options
  db = PREFS["databases"][server.to_s]["database"]
  file = const_get(server.to_s.upcase + "_DUMP_FILE")
  
  file += ".backup" if backup
  
  `mysqldump #{options} #{OPT} #{db} > #{file}`
end

.import(server, file = nil) ⇒ Object 



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# File 'lib/eedb/mysql.rb', line 12

def self.import(server, file = nil)
  if file.nil?
    # assume it's a hash
    file = server.keys.first # if it's :local => :remote, the file is :local
    server = server.values.first # if it's :local => :remote, the server is :remote
  end
  
  options = PREFS["databases"][server.to_s]["options"].to_mysql_options
  db = PREFS["databases"][server.to_s]["database"]
  
  if file.is_a?(Symbol)
    file = const_get(file.to_s.upcase + "_DUMP_FILE")
  end
  
  `mysql #{options} #{db} -e "SOURCE #{file}"`
end