72 lines
2.5 KiB
Ruby
72 lines
2.5 KiB
Ruby
module JamRuby
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class BandInvitation < ActiveRecord::Base
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self.table_name = "band_invitations"
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self.primary_key = 'id'
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BAND_INVITATION_FAN_RECIPIENT_ERROR = "A Band invitation can only be sent to a Musician."
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belongs_to :receiver, :inverse_of => :received_band_invitations, :foreign_key => "user_id", :class_name => "JamRuby::User"
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belongs_to :sender, :inverse_of => :sent_band_invitations, :foreign_key => "creator_id", :class_name => "JamRuby::User"
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belongs_to :band, :inverse_of => :invitations, :foreign_key => "band_id", :class_name => "JamRuby::Band"
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def self.save(id, band_id, user_id, creator_id, accepted)
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band_invitation = BandInvitation.new()
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ActiveRecord::Base.transaction do
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# ensure certain fields are only updated on creation
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if id.nil?
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# ensure recipient is a Musician
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user = User.find(user_id)
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unless user.musician?
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raise JamRuby::JamArgumentError, BAND_INVITATION_FAN_RECIPIENT_ERROR
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end
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band_invitation.band_id = band_id
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band_invitation.user_id = user_id
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band_invitation.creator_id = creator_id
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band_invitation.save
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Notification.send_band_invitation(
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band_invitation.band,
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band_invitation,
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band_invitation.sender,
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band_invitation.receiver
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)
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# only the accepted flag can be updated after initial creation
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else
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band_invitation = BandInvitation.find(id)
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band_invitation.accepted = accepted
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band_invitation.save
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end
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# accept logic:
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# (1) auto-friend each band member
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# (2) add the musician to the band
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# (3) send BAND_INVITATION_ACCEPTED notification
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if accepted
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band_musicians = BandMusician.where(:band_id => band_invitation.band.id)
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unless band_musicians.blank?
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# auto-friend and notify each band member
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band_musicians.each do |bm|
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Friendship.save(band_invitation.receiver.id, bm.user_id)
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Notification.send_band_invitation_accepted(
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band_invitation.band,
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band_invitation,
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band_invitation.receiver,
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bm.user
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)
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end
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end
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# accepting an invitation adds the musician to the band
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BandMusician.create(:band_id => band_invitation.band.id, :user_id => band_invitation.receiver.id, :admin => false)
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end
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end
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band_invitation
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end
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end
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end |