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Contents
# frozen_string_literal: true
module Decidim
# A command with all the business logic to invite a user to a group.
class InviteUserToGroup < Decidim::Command
# Public: Initializes the command.
#
# form - A form object with the params.
# user_group - The user group that invites the user
def initialize(form, user_group)
@form = form
@user_group = user_group
end
# Executes the command. Broadcasts these events:
#
# - :ok when everything is valid.
# - :invalid if the form was not valid and we could not proceed.
#
# Returns nothing.
def call
return broadcast(:invalid) if form.invalid?
return broadcast(:ok) if user_belongs_to_group?
transaction do
@invitation = invite_user
send_notification
end
broadcast(:ok)
end
attr_reader :form, :user_group, :invitation
private
def invite_user
Decidim::UserGroupMembership.create!(
user: form.user,
user_group:,
role: :invited
)
end
def send_notification
Decidim::EventsManager.publish(
event: "decidim.events.groups.invited_to_group",
event_class: InvitedToGroupEvent,
resource: user_group,
affected_users: [form.user],
extra: {
user_group_name: user_group.name,
user_group_nickname: user_group.nickname,
membership_id: invitation.id
}
)
end
def user_belongs_to_group?
Decidim::UserGroupMembership.where(user: form.user, user_group:).any?
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems