Class: Trestle::Registry

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/trestle/registry.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Registry

Returns a new instance of Registry.



8
9
10
 
# File 'lib/trestle/registry.rb', line 8

def initialize
  reset!
end

Instance Attribute Details

#admins ⇒ Object (readonly)

The admins hash is left exposed for backwards compatibility



6
7
8
 
# File 'lib/trestle/registry.rb', line 6

def admins
  @admins
end

Instance Method Details

#each(&block) ⇒ Object 



12
13
14
 
# File 'lib/trestle/registry.rb', line 12

def each(&block)
  @admins.values.sort_by(&:admin_name).each(&block)
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


21
22
23
 
# File 'lib/trestle/registry.rb', line 21

def empty?
  none?
end

#lookup_admin(admin) ⇒ Object Also known as: lookup 



35
36
37
38
39
40
 
# File 'lib/trestle/registry.rb', line 35

def lookup_admin(admin)
  # Given object is already an admin class
  return admin if admin.is_a?(Class) && admin < Trestle::Admin

  @admins[admin.to_s]
end

#lookup_model(model) ⇒ Object 



43
44
45
46
47
48
49
50
51
52
53
54
 
# File 'lib/trestle/registry.rb', line 43

def lookup_model(model)
  # Lookup each class in the model's ancestor chain
  while model
    admin = @models[model.name]
    return admin if admin

    model = model.superclass
  end

  # No admin found
  nil
end

#register(admin, register_model: true) ⇒ Object 



25
26
27
28
29
30
31
32
33
 
# File 'lib/trestle/registry.rb', line 25

def register(admin, register_model: true)
  @admins[admin.admin_name] = admin

  if register_model && register_admin_for_model_loookup?(admin)
    @models[admin.model.name] ||= admin
  end

  admin
end

#reset! ⇒ Object 



16
17
18
19
 
# File 'lib/trestle/registry.rb', line 16

def reset!
  @admins = {}
  @models = {}
end