TaskParticipation -> Task::Participation

cleans up circular dependency:
RuntimeError: Circular dependency detected while autoloading constant Task::TaskParticipation

app/models/task/task.rb → app/models/task.rb

@@ -2,8 +2,9 @@ class Task < ActiveRecord::Base
 
   belongs_to :page
 #  has_and_belongs_to_many :users, :foreign_key => 'task_id'
-  has_many :task_participations, dependent: :destroy
-  has_many :users, through: :task_participations
+  has_many :participations,
+    dependent: :destroy
+  has_many :users, through: :participations
   acts_as_list scope: :page
   format_attribute :description
   validates_presence_of :name

app/models/task/task_participation.rb → app/models/task/participation.rb

-class TaskParticipation < ActiveRecord::Base
+class Task::Participation < ActiveRecord::Base
+  self.table_name = 'task_participations'
   belongs_to :user
   belongs_to :task
 end

app/models/user.rb

@@ -245,7 +245,9 @@ class User < ActiveRecord::Base
   ## ASSOCIATED DATA
   ##
 
-  has_many :task_participations, dependent: :destroy
+  has_many :task_participations,
+    class_name: 'Task::Participation',
+    dependent: :destroy
   has_many :tasks, through: :task_participations do
 
     def pending

config/application.rb

@@ -23,7 +23,7 @@ module Crabgrass
     config.autoload_paths << "#{Rails.root}/lib"
     config.autoload_paths << "#{Rails.root}/app/models"
 
-    config.autoload_paths += %w(chat profile poll task requests mailers notice).
+    config.autoload_paths += %w(chat profile poll requests mailers notice).
      collect { |dir| "#{Rails.root}/app/models/#{dir}" }
     config.autoload_paths << "#{Rails.root}/app/permissions"
     config.autoload_paths << "#{Rails.root}/app/helpers/classes"