continued to refactor instance methods for AASM objects

lib/aasm/aasm.rb

@@ -87,16 +87,10 @@ module AASM
     aasm.current_state
   end
 
+  # deprecated
   def aasm_enter_initial_state
-    state_name = aasm.determine_state_name(self.class.aasm_initial_state)
+    # warn "#aasm_enter_initial_state is deprecated and will be removed in version 3.2.0; please use #aasm.enter_initial_state instead!"
-    state = aasm.state_object_for_name(state_name)
+    aasm.enter_initial_state
-
-    state.fire_callbacks(:before_enter, self)
-    state.fire_callbacks(:enter, self)
-    aasm.current_state = state_name
-    state.fire_callbacks(:after_enter, self)
-
-    state_name
   end
 
   # deprecated
@@ -105,10 +99,10 @@ module AASM
     aasm.events(aasm.current_state)
   end
 
-  # filters the results of events_for_current_state so that only those that
+  # deprecated
-  # are really currently possible (given transition guards) are shown.
   def aasm_permissible_events_for_current_state
-    aasm.events(aasm.current_state).select{ |e| self.send(("may_" + e.to_s + "?").to_sym) }
+    # warn "#aasm_permissible_events_for_current_state is deprecated and will be removed in version 3.2.0; please use #aasm.permissible_events instead!"
+    aasm.permissible_events
   end
 
   # deprecated
@@ -125,16 +119,6 @@ module AASM
 
 private
 
-  def aasm_set_current_state_with_persistence(state)
-    save_success = true
-    if self.respond_to?(:aasm_write_state) || self.private_methods.include?('aasm_write_state')
-      save_success = aasm_write_state(state)
-    end
-    aasm.current_state = state if save_success
-
-    save_success
-  end
-
   def aasm_fire_event(name, options, *args)
     persist = options[:persist]
 
@@ -159,7 +143,7 @@ private
 
         persist_successful = true
         if persist
-          persist_successful = aasm_set_current_state_with_persistence(new_state_name)
+          persist_successful = aasm.set_current_state_with_persistence(new_state_name)
           event.fire_callbacks(:success, self) if persist_successful
         else
           aasm.current_state = new_state_name

lib/aasm/instance_base.rb

@@ -6,7 +6,7 @@ module AASM
     end
 
     def current_state
-      @current_state ||= persistable? ? @instance.aasm_read_state : @instance.aasm_enter_initial_state
+      @current_state ||= persistable? ? @instance.aasm_read_state : enter_initial_state
     end
 
     def current_state=(state)
@@ -16,6 +16,18 @@ module AASM
       @current_state = state
     end
 
+    def enter_initial_state
+      state_name = determine_state_name(@instance.class.aasm_initial_state)
+      state_object = state_object_for_name(state_name)
+
+      state_object.fire_callbacks(:before_enter, @instance)
+      state_object.fire_callbacks(:enter, @instance)
+      self.current_state = state_name
+      state_object.fire_callbacks(:after_enter, @instance)
+
+      state_name
+    end
+
     def human_state
       AASM::Localizer.new.human_state_name(@instance.class, current_state)
     end
@@ -25,6 +37,13 @@ module AASM
       events.map {|e| e.name}
     end
 
+    # filters the results of events_for_current_state so that only those that
+    # are really currently possible (given transition guards) are shown.
+    # TODO: what about events.permissible ?
+    def permissible_events
+      events.select{ |e| @instance.send(("may_" + e.to_s + "?").to_sym) }
+    end
+
     def state_object_for_name(name)
       obj = @instance.class.aasm.states.find {|s| s == name}
       raise AASM::UndefinedState, "State :#{name} doesn't exist" if obj.nil?
@@ -47,6 +66,15 @@ module AASM
       event.may_fire?(@instance, *args)
     end
 
+    def set_current_state_with_persistence(state)
+      save_success = true
+      if @instance.respond_to?(:aasm_write_state) || @instance.private_methods.include?('aasm_write_state')
+        save_success = @instance.aasm_write_state(state)
+      end
+      self.current_state = state if save_success
+      save_success
+    end
+
   private
 
     def persistable?

lib/aasm/persistence/active_record_persistence.rb

@@ -112,7 +112,7 @@ module AASM
         #   foo.aasm_state # => nil
         #
         def aasm_ensure_initial_state
-          aasm_enter_initial_state if send(self.class.aasm_column).blank?
+          aasm.enter_initial_state if send(self.class.aasm_column).blank?
         end
 
         def aasm_fire_event(name, options, *args)

lib/aasm/persistence/mongoid_persistence.rb

@@ -106,7 +106,7 @@ module AASM
         #   foo.aasm_state # => nil
         #
         def aasm_ensure_initial_state
-          send("#{self.class.aasm_column}=", self.aasm_enter_initial_state.to_s) if send(self.class.aasm_column).blank?
+          send("#{self.class.aasm_column}=", aasm.enter_initial_state.to_s) if send(self.class.aasm_column).blank?
         end
 
       end

spec/models/auth_machine.rb

@@ -46,7 +46,7 @@ class AuthMachine
   def initialize
     # the AR backend uses a before_validate_on_create :aasm_ensure_initial_state
     # lets do something similar here for testing purposes.
-    aasm_enter_initial_state
+    aasm.enter_initial_state
   end
 
   def make_activation_code

spec/unit/callbacks_spec.rb

@@ -85,7 +85,7 @@ describe 'event callbacks' do
     end
 
     it 'should not call it for failing bang fire' do
-      @foo.stub!(:aasm_set_current_state_with_persistence).and_return(false)
+      @foo.aasm.stub!(:set_current_state_with_persistence).and_return(false)
       @foo.should_not_receive(:aasm_event_fired)
       @foo.close!
     end
@@ -108,7 +108,7 @@ describe 'event callbacks' do
     end
 
     it 'should not call it if persist fails for bang fire' do
-      @foo.stub!(:aasm_set_current_state_with_persistence).and_return(false)
+      @foo.aasm.stub!(:set_current_state_with_persistence).and_return(false)
       @foo.should_receive(:aasm_event_failed)
       @foo.close!
     end