Add surveys; custom generated by admins

Available during registration or after conference

Co-authored-by: Shyukri <shshyukriev@suse.com>
Co-authored-by: Henne <hvogel@opensuse.org>
Co-authored-by: Moises <mdeniz@suse.com>

app/models/ability.rb

@@ -104,6 +104,9 @@ class Ability
     # can manage the commercials of their own events
     can :manage, Commercial, commercialable_type: 'Event', commercialable_id: user.events.pluck(:id)
 
+    # can view and reply a survey
+    can [:show, :reply], Survey, surveyable_type: 'Conference', surveyable_id: user.registrations.pluck(:conference_id)
+
     can [:destroy], Openid
 
     can [:new, :create], Track do |track|

app/models/conference.rb

@@ -58,6 +58,16 @@ class Conference < ApplicationRecord
            through: :program,
            source:  :events
   has_many :event_types, through: :program
+
+  has_many :surveys, as: :surveyable, dependent: :destroy do
+    def for_registration
+      where(target: targets[:during_registration])
+    end
+
+    def after_conference
+      where(target: targets[:after_conference])
+    end
+  end
   accepts_nested_attributes_for :venue
   accepts_nested_attributes_for :tickets, allow_destroy: true
   accepts_nested_attributes_for :sponsorship_levels, allow_destroy: true
@@ -1225,3 +1235,4 @@ class Conference < ApplicationRecord
     result
   end
 end
+# rubocop:enable Metrics/ClassLength

app/models/survey.rb

@@ -0,0 +1,13 @@
+class Survey < ActiveRecord::Base
+  belongs_to :surveyable, polymorphic: true
+  has_many :survey_questions
+  has_many :survey_submissions
+
+  enum target: [:after_conference, :during_registration]
+  validates :title, presence: true
+
+  def active?
+    now = Time.now.in_time_zone(surveyable.timezone)
+    now >= start_date && now <= end_date
+  end
+end

app/models/survey_question.rb

@@ -0,0 +1,42 @@
+class SurveyQuestion < ActiveRecord::Base
+  belongs_to :survey
+
+  # Order of this list should not be changed without proper action!
+  enum kind: [:boolean, :choice, :string, :text, :datetime, :numeric]
+
+  ICONS = { boolean: 'dot-circle-o', choice: 'check-square-o', string: 'edit', text: 'align-left', datetime: 'clock-o', numeric: 'slack' }.freeze
+
+  validates :title, presence: true
+  validates :possible_answers, :max_choices, :min_choices, presence: true, if: 'choice?'
+  validates :min_choices, numericality: { greater_than_or_equal_to: 1 }, allow_blank: true
+  validates :max_choices, numericality: { greater_than_or_equal_to: 1 }, allow_blank: true
+
+  validate :max_choices_greater_than_min
+  has_many :survey_replies
+
+  def single_choice?
+    choice? && max_choices == 1 && min_choices == 1
+  end
+
+  def multiple_choice?
+    choice? && max_choices > 1
+  end
+
+  def possible_answers=(value)
+    self[:possible_answers] = choice? ? value : nil
+  end
+
+  def min_choices=(value)
+    self[:min_choices] = choice? ? value : nil
+  end
+
+  def max_choices=(value)
+    self[:max_choices] = choice? ? value : nil
+  end
+
+  private
+
+  def max_choices_greater_than_min
+    errors.add(:max_choices, 'Max choices should not be less than min choices') if choice? && max_choices.to_i < min_choices.to_i
+  end
+end

app/models/survey_reply.rb

@@ -0,0 +1,7 @@
+class SurveyReply < ActiveRecord::Base
+  belongs_to :user
+  belongs_to :survey_question
+  serialize :text
+
+  validates :survey_question_id, uniqueness: { scope: :user_id }
+end

app/models/survey_submission.rb

@@ -0,0 +1,9 @@
+class SurveySubmission < ActiveRecord::Base
+  belongs_to :user
+  belongs_to :survey
+  has_many :survey_replies, through: :user
+
+  validates :user_id, uniqueness: { scope: :survey_id }
+
+  accepts_nested_attributes_for :survey_replies
+end

app/models/user.rb

@@ -74,6 +74,8 @@ class User < ApplicationRecord
   has_many :booth_requests
   has_many :booth_requests, dependent: :destroy
   has_many :booths, through: :booth_requests
+  has_many :survey_replies
+  has_many :survey_submissions
   accepts_nested_attributes_for :roles
 
   scope :admin, -> { where(is_admin: true) }