Class: Qnotifier::Storage

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

Constant Summary collapse

@@stored_variables = 
{}
@@restored = 
false

Class Method Summary collapse

Class Method Details

.delete(key) ⇒ Object 



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# File 'lib/storage.rb', line 45

def self.delete(key)
  restore unless @@restored
  @@stored_variables.delete(key)
end

.get(key) ⇒ Object 



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# File 'lib/storage.rb', line 22

def self.get(key)
  restore unless @@restored
  if @@stored_variables[key]
    return @@stored_variables[key]
  else
    return nil
  end
end

.put(key, value) ⇒ Object 



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# File 'lib/storage.rb', line 31

def self.put(key, value)
  restore unless @@restored
  @@stored_variables[key] = value
end

.restore ⇒ Object 



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# File 'lib/storage.rb', line 10

def self.restore
  saved_variables = "/var/lib/qnotifier/saved_variables.yml" 
  begin
    var_dir = "/var/lib/qnotifier"
    FileUtils.mkdir_p var_dir unless File.exists?(var_dir)
    @@stored_variables = YAML::load(File.open(saved_variables))
  rescue Exception => e
    # Qnotifier.log.debug "Error loading stored variables file. #{e.message}"
  end
  @@restored = true
end

.save ⇒ Object 



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# File 'lib/storage.rb', line 50

def self.save
  saved_variables = "/var/lib/qnotifier/saved_variables.yml" 
  begin
    File.open(saved_variables, "w") do |f|
      f.write(YAML::dump(@@stored_variables))
    end
  rescue Exception => e
    Qnotifier.log.error "Error saving stored variables file. #{e.message}"
  end
end

.wipe ⇒ Object 



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# File 'lib/storage.rb', line 36

def self.wipe
  saved_variables = "/var/lib/qnotifier/saved_variables.yml" 
  begin 
    File.delete(saved_variables)
  rescue Exception => e
    Qnotifier.log.error "Error deleting stored variables file. #{e.message}"
  end
end