simple refactoring

app/models/ability.rb

 class Ability
-  def self.allowed(object, subject)
+  class << self
+    def allowed(object, subject)
       case subject.class.name
       when "Project" then project_abilities(object, subject)
       when "Issue" then issue_abilities(object, subject)
@@ -10,7 +11,7 @@ class Ability
       end
     end
 
-  def self.project_abilities(user, project)
+    def project_abilities(user, project)
       rules = []
 
       rules << [
@@ -55,7 +56,6 @@ class Ability
       rules.flatten
     end
 
-  class << self
     [:issue, :note, :snippet, :merge_request].each do |name|
       define_method "#{name}_abilities" do |user, subject|
         if subject.author == user
@@ -72,8 +72,7 @@ class Ability
             :"modify_#{name}",
           ]
         else
-          subject.respond_to?(:project) ?
-            project_abilities(user, subject.project) : []
+          subject.respond_to?(:project) ? project_abilities(user, subject.project) : []
         end
       end
     end

app/models/event.rb

@@ -27,10 +27,12 @@ class Event < ActiveRecord::Base
   # For Hash only
   serialize :data
 
+  # Scopes
   scope :recent, order("created_at DESC")
   scope :code_push, where(action: Pushed)
 
-  def self.determine_action(record)
+  class << self
+    def determine_action(record)
       if [Issue, MergeRequest].include? record.class
         Event::Created
       elsif record.kind_of? Note
@@ -38,9 +40,10 @@ class Event < ActiveRecord::Base
       end
     end
 
-  def self.recent_for_user user
+    def recent_for_user user
       where(project_id: user.projects.map(&:id)).recent
     end
+  end
 
   # Next events currently enabled for system
   #  - push

app/models/group.rb

-# == Schema Information
-#
-# Table name: groups
-#
-#  id         :integer         not null, primary key
-#  name       :string(255)     not null
-#  code       :string(255)     not null
-#  owner_id   :integer         not null
-#  created_at :datetime        not null
-#  updated_at :datetime        not null
-#
-
 class Group < ActiveRecord::Base
   attr_accessible :code, :name, :owner_id
 
@@ -18,7 +6,7 @@ class Group < ActiveRecord::Base
 
   validates :name, presence: true, uniqueness: true
   validates :code, presence: true, uniqueness: true
-  validates :owner_id, presence: true
+  validates :owner, presence: true
 
   delegate :name, to: :owner, allow_nil: true, prefix: true
 
@@ -31,6 +19,18 @@ class Group < ActiveRecord::Base
   end
 
   def users
-    User.joins(:users_projects).where('users_projects.project_id' => project_ids).uniq
+    User.joins(:users_projects).where(users_projects: {project_id: project_ids}).uniq
   end
 end
+
+# == Schema Information
+#
+# Table name: groups
+#
+#  id         :integer         not null, primary key
+#  name       :string(255)     not null
+#  code       :string(255)     not null
+#  owner_id   :integer         not null
+#  created_at :datetime        not null
+#  updated_at :datetime        not null
+#

app/models/key.rb

@@ -6,15 +6,14 @@ class Key < ActiveRecord::Base
 
   attr_accessible :key, :title
 
+  before_validation :strip_white_space
+  before_save :set_identifier
+
   validates :title, presence: true, length: { within: 0..255 }
-  validates :key, presence: true,
-            length: { within: 0..5000 },
-            format: { :with => /ssh-.{3} / }
+  validates :key, presence: true, length: { within: 0..5000 }, format: { :with => /ssh-.{3} / }
+  validate :unique_key, :fingerprintable_key
 
-  before_save :set_identifier
-  before_validation :strip_white_space
   delegate :name, :email, to: :user, prefix: true
-  validate :unique_key, :fingerprintable_key
 
   def strip_white_space
     self.key = self.key.strip unless self.key.blank?

app/models/merge_request.rb

@@ -7,6 +7,8 @@ class MergeRequest < ActiveRecord::Base
   attr_accessible :title, :assignee_id, :closed, :target_branch, :source_branch,
                   :author_id_of_changes
 
+  attr_accessor :should_remove_source_branch
+
   BROKEN_DIFF = "--broken-diff"
 
   UNCHECKED = 1
@@ -16,9 +18,8 @@ class MergeRequest < ActiveRecord::Base
   serialize :st_commits
   serialize :st_diffs
 
-  attr_accessor :should_remove_source_branch
-
-  validates_presence_of :source_branch, :target_branch
+  validates :source_branch, presence: true
+  validates :target_branch, presence: true
   validate :validate_branches
 
   def self.find_all_by_branch(branch_name)

app/models/milestone.rb

@@ -4,7 +4,8 @@ class Milestone < ActiveRecord::Base
   belongs_to :project
   has_many :issues
 
-  validates_presence_of :title, :project_id
+  validates :title, presence: true
+  validates :project, presence: true
 
   def self.active
     where("due_date > ? OR due_date IS NULL", Date.today)

app/models/note.rb

@@ -2,10 +2,13 @@ require 'carrierwave/orm/activerecord'
 require 'file_size_validator'
 
 class Note < ActiveRecord::Base
-  mount_uploader  :attachment, AttachmentUploader
+
   attr_accessible :note, :noteable, :noteable_id, :noteable_type, :project_id,
                   :attachment, :line_code
 
+  attr_accessor :notify
+  attr_accessor :notify_author
+
   belongs_to :project
   belongs_to :noteable, polymorphic: true
   belongs_to :author, class_name: "User"
@@ -13,18 +16,17 @@ class Note < ActiveRecord::Base
   delegate :name, to: :project, prefix: true
   delegate :name, :email, to: :author, prefix: true
 
-  attr_accessor :notify
-  attr_accessor :notify_author
-
-  validates_presence_of :project
-
+  validates :project, presence: true
   validates :note, presence: true, length: { within: 0..5000 }
   validates :attachment, file_size: { maximum: 10.megabytes.to_i }
 
+  mount_uploader  :attachment, AttachmentUploader
+
+  # Scopes
   scope :common, where(noteable_id: nil)
   scope :today, where("created_at >= :date", date: Date.today)
   scope :last_week, where("created_at  >= :date", date: (Date.today - 7.days))
-  scope :since, lambda { |day| where("created_at  >= :date", date: (day)) }
+  scope :since, ->(day) { where("created_at  >= :date", date: (day)) }
   scope :fresh, order("created_at ASC, id ASC")
   scope :inc_author_project, includes(:project, :author)
   scope :inc_author, includes(:author)

app/models/project.rb

@@ -28,20 +28,35 @@ class Project < ActiveRecord::Base
 
   delegate :name, to: :owner, allow_nil: true, prefix: true
 
+  # Validations
+  validates :owner, presence: true
+  validates :description, length: { within: 0..2000 }
+  validates :name, uniqueness: true, presence: true, length: { within: 0..255 }
+  validates :path, uniqueness: true, presence: true, length: { within: 0..255 },
+            format: { with: /\A[a-zA-Z][a-zA-Z0-9_\-\.]*\z/,
+                      message: "only letters, digits & '_' '-' '.' allowed. Letter should be first" }
+  validates :code, presence: true, uniqueness: true, length: { within: 1..255 },
+            format: { with: /\A[a-zA-Z][a-zA-Z0-9_\-\.]*\z/,
+                      message: "only letters, digits & '_' '-' '.' allowed. Letter should be first" }
+  validates :issues_enabled, :wall_enabled, :merge_requests_enabled,
+            :wiki_enabled, inclusion: { in: [true, false] }
+  validate :check_limit, :repo_name
+
   # Scopes
   scope :public_only, where(private_flag: false)
   scope :without_user, ->(user)  { where("id NOT IN (:ids)", ids: user.projects.map(&:id) ) }
   scope :not_in_group, ->(group) { where("id NOT IN (:ids)", ids: group.project_ids ) }
 
-  def self.active
+  class << self
+    def active
       joins(:issues, :notes, :merge_requests).order("issues.created_at, notes.created_at, merge_requests.created_at DESC")
     end
 
-  def self.search query
+    def search query
       where("name LIKE :query OR code LIKE :query OR path LIKE :query", query: "%#{query}%")
     end
 
-  def self.create_by_user(params, user)
+    def create_by_user(params, user)
       project = Project.new params
 
       Project.transaction do
@@ -66,6 +81,11 @@ class Project < ActiveRecord::Base
       project
     end
 
+    def access_options
+      UsersProject.access_roles
+    end
+  end
+
   def git_error?
     error_code == :gitolite
   end
@@ -74,20 +94,6 @@ class Project < ActiveRecord::Base
     id && valid?
   end
 
-  # Validations
-  validates :owner, presence: true
-  validates :description, length: { within: 0..2000 }
-  validates :name, uniqueness: true, presence: true, length: { within: 0..255 }
-  validates :path, uniqueness: true, presence: true, length: { within: 0..255 },
-            format: { with: /\A[a-zA-Z][a-zA-Z0-9_\-\.]*\z/,
-                      message: "only letters, digits & '_' '-' '.' allowed. Letter should be first" }
-  validates :code, presence: true, uniqueness: true, length: { within: 1..255 },
-            format: { with: /\A[a-zA-Z][a-zA-Z0-9_\-\.]*\z/,
-                      message: "only letters, digits & '_' '-' '.' allowed. Letter should be first" }
-  validates :issues_enabled, :wall_enabled, :merge_requests_enabled,
-            :wiki_enabled, inclusion: { in: [true, false] }
-  validate :check_limit, :repo_name
-
   def check_limit
     unless owner.can_create_project?
       errors[:base] << ("Your own projects limit is #{owner.projects_limit}! Please contact administrator to increase it")
@@ -102,10 +108,6 @@ class Project < ActiveRecord::Base
     end
   end
 
-  def self.access_options
-    UsersProject.access_roles
-  end
-
   def to_param
     code
   end

app/models/protected_branch.rb

@@ -4,7 +4,8 @@ class ProtectedBranch < ActiveRecord::Base
   attr_accessible :name
 
   belongs_to :project
-  validates_presence_of :name, :project_id
+  validates :name, presence: true
+  validates :project, presence: true
 
   after_save :update_repository
   after_destroy :update_repository

app/models/snippet.rb

@@ -9,11 +9,13 @@ class Snippet < ActiveRecord::Base
 
   delegate :name, :email, to: :author, prefix: true
 
-  validates_presence_of :author_id, :project_id
+  validates :author, presence: true
+  validates :project, presence: true
   validates :title, presence: true, length: { within: 0..255 }
   validates :file_name, presence: true, length: { within: 0..255 }
   validates :content, presence: true, length: { within: 0..10000 }
 
+  # Scopes
   scope :fresh, order("created_at DESC")
   scope :non_expired, where(["expires_at IS NULL OR expires_at > ?", Time.current])
   scope :expired, where(["expires_at IS NOT NULL AND expires_at < ?", Time.current])

app/models/system_hook.rb

 class SystemHook < WebHook
-  def async_execute(data)
-    Resque.enqueue(SystemHookWorker, id, data)
-  end
-
   def self.all_hooks_fire(data)
     SystemHook.all.each do |sh|
       sh.async_execute data
     end
   end
+
+  def async_execute(data)
+    Resque.enqueue(SystemHookWorker, id, data)
+  end
 end
 
 # == Schema Information

app/models/user.rb

@@ -27,22 +27,18 @@ class User < ActiveRecord::Base
   validates :extern_uid, :allow_blank => true, :uniqueness => {:scope => :provider}
   validates :projects_limit, presence: true, numericality: {greater_than_or_equal_to: 0}
 
-  scope :not_in_project, lambda { |project|  where("id not in (:ids)", ids: project.users.map(&:id) ) }
-  scope :admins, where(admin:  true)
-  scope :blocked, where(blocked:  true)
-  scope :active, where(blocked:  false)
-
   before_validation :generate_password, on: :create
   before_save :ensure_authentication_token
   alias_attribute :private_token, :authentication_token
 
-  def generate_password
-    if self.force_random_password
-      self.password = self.password_confirmation = Devise.friendly_token.first(8)
-    end
-  end
+  # Scopes
+  scope :not_in_project, ->(project) { where("id not in (:ids)", ids: project.users.map(&:id) ) }
+  scope :admins, where(admin:  true)
+  scope :blocked, where(blocked:  true)
+  scope :active, where(blocked:  false)
 
-  def self.filter filter_name
+  class << self
+    def filter filter_name
       case filter_name
       when "admins"; self.admins
       when "blocked"; self.blocked
@@ -52,28 +48,35 @@ class User < ActiveRecord::Base
       end
     end
 
-  def self.without_projects
+    def without_projects
       where('id NOT IN (SELECT DISTINCT(user_id) FROM users_projects)')
     end
 
-  def self.create_from_omniauth(auth, ldap = false)
+    def create_from_omniauth(auth, ldap = false)
       gitlab_auth.create_from_omniauth(auth, ldap)
     end
 
-  def self.find_or_new_for_omniauth(auth)
+    def find_or_new_for_omniauth(auth)
       gitlab_auth.find_or_new_for_omniauth(auth)
     end
 
-  def self.find_for_ldap_auth(auth, signed_in_resource = nil)
+    def find_for_ldap_auth(auth, signed_in_resource = nil)
       gitlab_auth.find_for_ldap_auth(auth, signed_in_resource)
     end
 
-  def self.gitlab_auth
+    def gitlab_auth
       Gitlab::Auth.new
     end
 
-  def self.search query
-    where("name LIKE :query OR email LIKE :query", query: "%#{query}%")
+    def search query
+      where("name LIKE :query or email LIKE :query", query: "%#{query}%")
+    end
+  end
+
+  def generate_password
+    if self.force_random_password
+      self.password = self.password_confirmation = Devise.friendly_token.first(8)
+    end
   end
 end
 

app/models/users_project.rb

@@ -14,13 +14,14 @@ class UsersProject < ActiveRecord::Base
   after_save :update_repository
   after_destroy :update_repository
 
-  validates_uniqueness_of :user_id, scope: [:project_id], message: "already exists in project"
-  validates_presence_of :user_id
-  validates_presence_of :project_id
+  validates :user, presence: true
+  validates :user_id, uniqueness: { :scope => [:project_id], message: "already exists in project" }
+  validates :project, presence: true
 
   delegate :name, :email, to: :user, prefix: true
 
-  def self.bulk_delete(project, user_ids)
+  class << self
+    def bulk_delete(project, user_ids)
       UsersProject.transaction do
         UsersProject.where(:user_id => user_ids, :project_id => project.id).each do |users_project|
           users_project.destroy
@@ -28,7 +29,7 @@ class UsersProject < ActiveRecord::Base
       end
     end
 
-  def self.bulk_update(project, user_ids, project_access)
+    def bulk_update(project, user_ids, project_access)
       UsersProject.transaction do
         UsersProject.where(:user_id => user_ids, :project_id => project.id).each do |users_project|
           users_project.project_access = project_access
@@ -37,7 +38,7 @@ class UsersProject < ActiveRecord::Base
       end
     end
 
-  def self.bulk_import(project, user_ids, project_access)
+    def bulk_import(project, user_ids, project_access)
       UsersProject.transaction do
         user_ids.each do |user_id|
           users_project = UsersProject.new(
@@ -50,7 +51,7 @@ class UsersProject < ActiveRecord::Base
       end
     end
 
-  def self.user_bulk_import(user, project_ids, project_access)
+    def user_bulk_import(user, project_ids, project_access)
       UsersProject.transaction do
         project_ids.each do |project_id|
           users_project = UsersProject.new(
@@ -63,7 +64,7 @@ class UsersProject < ActiveRecord::Base
       end
     end
 
-  def self.access_roles
+    def access_roles
       {
         "Guest"     => GUEST,
         "Reporter"  => REPORTER,
@@ -71,6 +72,7 @@ class UsersProject < ActiveRecord::Base
         "Master"    => MASTER
       }
     end
+  end
 
   def role_access
     project_access

app/models/wiki.rb

@@ -5,8 +5,9 @@ class Wiki < ActiveRecord::Base
   belongs_to :user
   has_many :notes, as: :noteable, dependent: :destroy
 
-  validates :content, :title, :user_id, presence: true
-  validates :title, length: 1..250
+  validates :content, presence: true
+  validates :user, presence: true
+  validates :title, presence: true, length: 1..250
 
   before_update :set_slug
 
@@ -16,12 +17,7 @@ class Wiki < ActiveRecord::Base
 
   protected
 
-  def set_slug
-    self.slug = self.title.parameterize
-  end
-
-  class << self
-    def regenerate_from wiki
+  def self.regenerate_from wiki
     regenerated_field = [:slug, :content, :title]
 
     new_wiki = Wiki.new
@@ -30,7 +26,11 @@ class Wiki < ActiveRecord::Base
     end
     new_wiki
   end
+
+  def set_slug
+    self.slug = self.title.parameterize
   end
+
 end
 
 # == Schema Information

app/roles/account.rb

@@ -41,7 +41,7 @@ module Account
   # Remove user from all projects and
   # set blocked attribute to true
   def block
-    users_projects.all.each do |membership|
+    users_projects.find_each do |membership|
       return false unless membership.destroy
     end
 

app/roles/issue_commonality.rb

@@ -8,12 +8,9 @@ module IssueCommonality
     belongs_to :assignee, class_name: "User"
     has_many :notes, as: :noteable, dependent: :destroy
 
-    validates_presence_of :project_id
-    validates_presence_of :author_id
-
-    validates :title,
-              presence: true,
-              length: { within: 0..255 }
+    validates :project, presence: true
+    validates :author, presence: true
+    validates :title, presence: true, length: { within: 0..255 }
     validates :closed, inclusion: { in: [true, false] }
 
     scope :opened, where(closed: false)