Add polls plugin

plugins/polls/app/models/poll.rb

@@ -0,0 +1,50 @@
+class Poll < ActiveRecord::Base
+
+  # @!attribute required_ordergroup_custom_fields
+  #   A list of custom_fileds, which are required to poll.
+  #   If the required field on the ordergroup of the user
+  #   is empty the user will not be able to place a vote.
+  #   @return [Array<String>] Required field names.
+  # @!attribute required_user_custom_fields
+  #   A list of custom_fileds, which are required to poll.
+  #   If the required field on the user is empty the user
+  #   will not be able to place a vote.
+  #   @return [Array<String>] Required field names.
+
+  belongs_to :created_by, class_name: 'User', foreign_key: 'created_by_user_id'
+  has_many :poll_votes, dependent: :destroy
+
+  validates_presence_of :name, :choices
+  serialize :choices, Array
+  serialize :required_ordergroup_custom_fields, Array
+  serialize :required_user_custom_fields, Array
+  enum voting_method: { event: 0, single_select: 1, multi_select: 2, points: 3, resistance_points: 4 }
+
+  include DateTimeAttributeValidate
+  date_time_attribute :starts, :ends
+
+  def available_points
+    return 0...0 if min_points.nil? || max_points.nil?
+    min_points..max_points
+  end
+
+  def user_can_edit?(user)
+    created_by == user || user.role_admin?
+  end
+
+  def user_can_vote?(user)
+    Ordergroup.custom_fields.each do |field|
+      name = field[:name]
+      next unless required_ordergroup_custom_fields.include? name
+      return false if user.ordergroup.nil? || user.ordergroup.settings.custom_fields[name].blank?
+    end
+
+    User.custom_fields.each do |field|
+      name = field[:name]
+      next unless required_user_custom_fields.include? name
+      return false if user.settings.custom_fields[name].blank?
+    end
+
+    true
+  end
+end

plugins/polls/app/models/poll_choice.rb

@@ -0,0 +1,3 @@
+class PollChoice < ActiveRecord::Base
+  belongs_to :poll_vote, touch: true
+end

plugins/polls/app/models/poll_vote.rb

@@ -0,0 +1,6 @@
+class PollVote < ActiveRecord::Base
+  belongs_to :poll
+  belongs_to :ordergroup
+  belongs_to :user
+  has_many :poll_choices, dependent: :destroy
+end