start fixing deprecation warnings

app/models/context.rb

@@ -1,13 +1,13 @@
 class Context < ActiveRecord::Base
 
-  has_many :todos, :dependent => :delete_all, :include => :project,
-    :order => 'todos.due IS NULL, todos.due ASC, todos.created_at ASC'
+  has_many :todos, -> { order("todos.due IS NULL, todos.due ASC, todos.created_at ASC").includes(:project) }, :dependent => :delete_all
+    
   has_many :recurring_todos, :dependent => :delete_all
   belongs_to :user
 
-  scope :active, :conditions => { :state => :active }
-  scope :hidden, :conditions => { :state => :hidden }
-  scope :closed, :conditions => { :state => :closed }
+  scope :active,    -> { where state: :active }
+  scope :hidden,    -> { where state: :hidden }
+  scope :closed,    -> { where state: :closed }
   scope :with_name, lambda { |name| where("name LIKE ?", name) }
 
   acts_as_list :scope => :user, :top_of_list => 0

app/models/project.rb

@@ -1,15 +1,15 @@
 class Project < ActiveRecord::Base
-  has_many :todos, :dependent => :delete_all, :order => 'todos.due IS NULL, todos.due ASC, todos.created_at ASC'
-  has_many :notes, :dependent => :delete_all, :order => "created_at DESC"
+  has_many :todos, -> {order("todos.due IS NULL, todos.due ASC, todos.created_at ASC")}, dependent: :delete_all
+  has_many :notes, -> {order "created_at DESC"}, dependent: :delete_all
   has_many :recurring_todos
 
   belongs_to :default_context, :class_name => "Context", :foreign_key => "default_context_id"
   belongs_to :user
 
-  scope :active, :conditions => { :state => 'active' }
-  scope :hidden, :conditions => { :state => 'hidden' }
-  scope :completed, :conditions => { :state => 'completed'}
-  scope :uncompleted, :conditions => ["NOT(state = ?)", 'completed']
+  scope :active,      -> { where state: 'active' }
+  scope :hidden,      -> { where state: 'hidden' }
+  scope :completed,   -> { where state: 'completed' }
+  scope :uncompleted, -> { where("NOT(state = ?)", 'completed') }
 
   scope :with_name_or_description, lambda { |body| where("name LIKE ? OR description LIKE ?", body, body) }
 

app/models/recurring_todo.rb

@@ -7,8 +7,8 @@ class RecurringTodo < ActiveRecord::Base
 
   has_many :todos
 
-  scope :active, :conditions => { :state => 'active'}
-  scope :completed, :conditions => { :state => 'completed'}
+  scope :active,    -> { where state: 'active'}
+  scope :completed, -> { where state: 'completed'}
 
   include IsTaggable
 

app/models/todo.rb

@@ -17,41 +17,37 @@ class Todo < ActiveRecord::Base
   has_many :successor_dependencies,   :foreign_key => 'successor_id',   :class_name => 'Dependency', :dependent => :destroy
   has_many :predecessors, :through => :successor_dependencies
   has_many :successors,   :through => :predecessor_dependencies
-  has_many :uncompleted_predecessors, :through => :successor_dependencies,
-    :source => :predecessor, :conditions => ['NOT (todos.state = ?)', 'completed']
-  has_many :pending_successors, :through => :predecessor_dependencies,
-    :source => :successor, :conditions => ['todos.state = ?', 'pending']
+  has_many :uncompleted_predecessors, -> {where('NOT (todos.state = ?)', 'completed')}, :through => :successor_dependencies,
+    :source => :predecessor
+  has_many :pending_successors, -> {where('todos.state = ?', 'pending')}, :through => :predecessor_dependencies,
+    :source => :successor
 
   # scopes for states of this todo
-  scope :active, :conditions => { :state => 'active' }
-  scope :active_or_hidden, :conditions => ["todos.state = ? OR todos.state = ?", 'active', 'project_hidden']
-  scope :not_completed, :conditions =>  ['NOT (todos.state = ?)', 'completed']
-  scope :completed, :conditions =>  ["todos.state = ?", 'completed']
-  scope :deferred, :conditions => ["todos.state = ?", 'deferred']
-  scope :blocked, :conditions => ['todos.state = ?', 'pending']
-  scope :pending, :conditions => ['todos.state = ?', 'pending']
-  scope :deferred_or_blocked, :conditions => ["(todos.state = ?) OR (todos.state = ?)", "deferred", "pending"]
-  scope :not_deferred_or_blocked, :conditions => ["(NOT todos.state=?) AND (NOT todos.state = ?)", "deferred", "pending"]
-  scope :hidden,
-    :joins => "INNER JOIN contexts c_hidden ON c_hidden.id = todos.context_id",
-    :conditions => ["todos.state = ? OR (c_hidden.state = ? AND (todos.state = ? OR todos.state = ? OR todos.state = ?))",
-    'project_hidden', 'hidden', 'active', 'deferred', 'pending']
-  scope :not_hidden,
-    :joins => "INNER JOIN contexts c_hidden ON c_hidden.id = todos.context_id",
-    :conditions => ['NOT(todos.state = ? OR (c_hidden.state = ? AND (todos.state = ? OR todos.state = ? OR todos.state = ?)))',
-    'project_hidden', 'hidden', 'active', 'deferred', 'pending']
+  scope :active, -> { where state: 'active' }
+  scope :active_or_hidden, -> { where "todos.state = ? OR todos.state = ?", 'active', 'project_hidden' }
+  scope :not_completed, -> { where 'NOT (todos.state = ?)', 'completed' }
+  scope :completed, -> { where "todos.state = ?", 'completed' }
+  scope :deferred, -> { where "todos.state = ?", 'deferred' }
+  scope :blocked, -> {where 'todos.state = ?', 'pending' }
+  scope :pending, -> {where 'todos.state = ?', 'pending' }
+  scope :deferred_or_blocked, -> { where "(todos.state = ?) OR (todos.state = ?)", "deferred", "pending" }
+  scope :not_deferred_or_blocked, -> { where "(NOT todos.state=?) AND (NOT todos.state = ?)", "deferred", "pending" }
+  scope :hidden, -> {
+    joins("INNER JOIN contexts c_hidden ON c_hidden.id = todos.context_id").
+    where("todos.state = ? OR (c_hidden.state = ? AND (todos.state = ? OR todos.state = ? OR todos.state = ?))", 'project_hidden', 'hidden', 'active', 'deferred', 'pending') }
+  scope :not_hidden, -> {
+    joins("INNER JOIN contexts c_hidden ON c_hidden.id = todos.context_id").
+    where('NOT(todos.state = ? OR (c_hidden.state = ? AND (todos.state = ? OR todos.state = ? OR todos.state = ?)))','project_hidden', 'hidden', 'active', 'deferred', 'pending') }
 
   # other scopes
-  scope :are_due, :conditions => ['NOT (todos.due IS NULL)']
-  scope :with_tag, lambda { |tag_id| joins("INNER JOIN taggings ON todos.id = taggings.taggable_id").where("taggings.tag_id = ? ", tag_id) }
-  scope :with_tags, lambda { |tag_ids| where("EXISTS(SELECT * from taggings t WHERE t.tag_id IN (?) AND t.taggable_id=todos.id AND t.taggable_type='Todo')", tag_ids) }
-  # scope :of_user, lambda { |user_id| {:conditions => ["todos.user_id = ? ", user_id] } }
-  scope :completed_after, lambda { |date| where("todos.completed_at > ?", date) }
-  scope :completed_before, lambda { |date| where("todos.completed_at < ?", date) }
-  scope :created_after, lambda { |date| where("todos.created_at > ?", date) }
-  scope :created_before, lambda { |date| where("todos.created_at < ?", date) }
-
-  scope :due_today, lambda { where("todos.due <= ?", Time.zone.now) }
+  scope :are_due,           -> { where 'NOT (todos.due IS NULL)' }
+  scope :due_today,         -> { where("todos.due <= ?", Time.zone.now) }
+  scope :with_tag,          lambda { |tag_id| joins("INNER JOIN taggings ON todos.id = taggings.taggable_id").where("taggings.tag_id = ? ", tag_id) }
+  scope :with_tags,         lambda { |tag_ids| where("EXISTS(SELECT * from taggings t WHERE t.tag_id IN (?) AND t.taggable_id=todos.id AND t.taggable_type='Todo')", tag_ids) }
+  scope :completed_after,   lambda { |date| where("todos.completed_at > ?", date) }
+  scope :completed_before,  lambda { |date| where("todos.completed_at < ?", date) }
+  scope :created_after,     lambda { |date| where("todos.created_at > ?", date) }
+  scope :created_before,    lambda { |date| where("todos.created_at < ?", date) }
 
   def self.due_after(date)
     where('todos.due > ?', date)
@@ -151,7 +147,7 @@ class Todo < ActiveRecord::Base
   end
 
   def uncompleted_predecessors?
-    return !uncompleted_predecessors.all.empty?
+    return !uncompleted_predecessors.empty?
   end
 
   def should_be_blocked?

app/models/user.rb

@@ -11,9 +11,7 @@ class User < ActiveRecord::Base
   cattr_accessor :per_page
   @@per_page = 5
 
-  has_many :contexts,
-           :order => 'position ASC',
-           :dependent => :delete_all do
+  has_many(:contexts, -> { order 'position ASC' }, dependent: :delete_all) do
              def find_by_params(params)
                find(params['id'] || params['context_id']) || nil
              end
@@ -25,9 +23,8 @@ class User < ActiveRecord::Base
                 }
               end
            end
-  has_many :projects,
-           :order => 'projects.position ASC',
-           :dependent => :delete_all do
+
+  has_many(:projects, -> {order 'projects.position ASC'}, dependent: :delete_all) do
               def find_by_params(params)
                 find(params['id'] || params['project_id'])
               end
@@ -79,34 +76,36 @@ class User < ActiveRecord::Base
                 return where(scope_conditions)
               end
             end
-  has_many :todos,
-           :order => 'todos.completed_at DESC, todos.created_at DESC',
-           :dependent => :delete_all do
+
+  has_many(:todos, -> { order 'todos.completed_at DESC, todos.created_at DESC' }, dependent: :delete_all) do
               def count_by_group(g)
                 except(:order).group(g).count
               end
            end
+
   has_many :recurring_todos,
-           :order => 'recurring_todos.completed_at DESC, recurring_todos.created_at DESC',
-           :dependent => :delete_all
-  has_many :deferred_todos,
-           :class_name => 'Todo',
-           :conditions => [ 'state = ?', 'deferred' ],
-           :order => 'show_from ASC, todos.created_at DESC' do
+           -> {order 'recurring_todos.completed_at DESC, recurring_todos.created_at DESC'},
+           dependent: :delete_all
+
+  has_many(:deferred_todos,
+           -> { where('state = ?', 'deferred').
+                order('show_from ASC, todos.created_at DESC')},
+           :class_name => 'Todo') do
               def find_and_activate_ready
                 where('show_from <= ?', Time.zone.now).collect { |t| t.activate! }
               end
            end
-  has_many :notes, :order => "created_at DESC", :dependent => :delete_all
-  has_one :preference, :dependent => :destroy
+
+  has_many :notes, -> { order "created_at DESC" }, dependent: :delete_all
+  has_one :preference, dependent: :destroy
 
   validates_presence_of :login
-  validates_presence_of :password, :if => :password_required?
-  validates_length_of :password, :within => 5..40, :if => :password_required?
-  validates_presence_of :password_confirmation, :if => :password_required?
+  validates_presence_of :password, if: :password_required?
+  validates_length_of :password, within: 5..40, if: :password_required?
+  validates_presence_of :password_confirmation, if: :password_required?
   validates_confirmation_of :password
-  validates_length_of :login, :within => 3..80
-  validates_uniqueness_of :login, :on => :create
+  validates_length_of :login, within: 3..80
+  validates_uniqueness_of :login, on: :create
   validate :validate_auth_type
 
   before_create :crypt_password, :generate_token