Module: Royce::Methods

Defined in:
lib/royce/methods.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(includer) ⇒ Object

Called when module included in a class includer == User includer.class == Class



7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
 
# File 'lib/royce/methods.rb', line 7

def self.included includer
  # With instance eval, we can add instance methods
  # Add instance methods like user? admin?
  includer.instance_eval do

    # Loop through all available role names
    # and add a name? method that queries the has_role? method
    available_role_names.each do |name|
      define_method("#{name}?") do
        has_role? name
      end

      define_method("#{name}!") do
        add_role name
      end
    end

  end
end

Instance Method Details

#add_role(name) ⇒ Object

These methods are included in all User instances



30
31
32
33
34
35
36
 
# File 'lib/royce/methods.rb', line 30

def add_role name
  if allowed_role? name
    return if has_role? name
    role = Role.find_or_create_by(name: name.to_s)
    roles << role
  end
end

#allowed_role?(name) ⇒ Boolean

Returns:

  • (Boolean) 


49
50
51
 
# File 'lib/royce/methods.rb', line 49

def allowed_role? name
  self.class.available_role_names.include? name.to_s
end

#has_role?(name) ⇒ Boolean

Returns:

  • (Boolean) 


45
46
47
 
# File 'lib/royce/methods.rb', line 45

def has_role? name
  role_list.include? name.to_s
end

#remove_role(name) ⇒ Object 



38
39
40
41
42
43
 
# File 'lib/royce/methods.rb', line 38

def remove_role name
  if allowed_role? name
    role = Role.find_by(name: name.to_s)
    roles.delete role
  end
end

#role_list ⇒ Object 



53
54
55
 
# File 'lib/royce/methods.rb', line 53

def role_list
  roles.pluck(:name)
end