319c3ab3b4
* User can create programming group with other users for exercise * Submission is shared in a group * Also adjust specs
83 lines
1.7 KiB
Ruby
83 lines
1.7 KiB
Ruby
# frozen_string_literal: true
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class ProgrammingGroup < ApplicationRecord
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include Contributor
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has_many :programming_group_memberships, dependent: :destroy
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has_many :external_users, through: :programming_group_memberships, source_type: 'ExternalUser', source: :user
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has_many :internal_users, through: :programming_group_memberships, source_type: 'InternalUser', source: :user
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belongs_to :exercise
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validate :group_size
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validate :no_erroneous_users
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accepts_nested_attributes_for :programming_group_memberships
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def initialize(attributes = nil)
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@erroneous_users = []
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super
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end
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def external_user?
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false
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end
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def internal_user?
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false
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end
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def self.nested_resource?
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true
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end
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def programming_group?
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true
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end
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def add(user)
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# Accessing the `users` method here will preload all users, which is otherwise done during validation.
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internal_users << user if user.internal_user? && users.exclude?(user)
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external_users << user if user.external_user? && users.exclude?(user)
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user
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end
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def to_s
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displayname
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end
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def displayname
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"Programming Group #{id}"
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end
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def programming_partner_ids
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users.map(&:id_with_type)
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end
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def users
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internal_users + external_users
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end
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def users=(users)
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self.internal_users = []
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self.external_users = []
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users.each do |user|
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next @erroneous_users << user unless user.is_a?(User)
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add(user)
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end
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end
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private
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def group_size
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if users.size < 2
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errors.add(:base, :size_too_small)
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end
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end
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def no_erroneous_users
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@erroneous_users.each do |partner_id|
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errors.add(:base, :invalid_partner_id, partner_id:)
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end
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end
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end
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