44 lines
1.5 KiB
Ruby
44 lines
1.5 KiB
Ruby
module JamRuby
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class JoinRequest < ActiveRecord::Base
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REQUESTOR_MUST_BE_A_MUSICIAN = "requestor must be a musician"
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self.primary_key = 'id'
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belongs_to :user, :class_name => "JamRuby::User"
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belongs_to :music_session, :class_name => "JamRuby::MusicSession"
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has_many :invitations, :inverse_of => :join_request, :class_name => "JamRuby::Invitation"
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validates :user, :presence => true
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validates :music_session, :presence => true
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validates :text, presence: false, length: {maximum: 140} # arbitrary decision of 140. the database is at 2000 max on this field
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validates_uniqueness_of :user_id, :scope => :music_session_id
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validate :requestor_is_musician
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# list all paginations for the current user
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def self.index(current_user)
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# TODO pagination
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return JoinRequest.where("join_requests.user_id = '#{current_user.id}'").order('join_requests.created_at DESC')
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end
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def requestor_is_musician
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unless user.musician?
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errors.add(:user, REQUESTOR_MUST_BE_A_MUSICIAN)
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end
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end
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def to_s
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return "#{self.user.to_s}:#{self.music_session.to_s}"
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end
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# permissions:
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# only the creator of the join request can do a get
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# or a member of the music_session that the join_request is designated for
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def self.show(id, user)
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return JoinRequest.find(id, :conditions => ["user_id = ? OR music_session_id IN (select music_session_id from connections WHERE user_id = ?)", user.id, user.id])
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end
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end
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end |