89 lines
2.7 KiB
Ruby
89 lines
2.7 KiB
Ruby
# ActsAsWatchable
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module Redmine
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module Acts
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module Watchable
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def self.included(base)
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base.extend ClassMethods
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end
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module ClassMethods
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def acts_as_watchable(options = {})
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return if self.included_modules.include?(Redmine::Acts::Watchable::InstanceMethods)
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class_eval do
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has_many :watchers, :as => :watchable, :dependent => :delete_all
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has_many :watcher_users, :through => :watchers, :source => :user, :validate => false
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scope :watched_by, lambda { |user_id|
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joins(:watchers).
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where("#{Watcher.table_name}.user_id = ?", user_id)
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}
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attr_protected :watcher_ids, :watcher_user_ids
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end
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send :include, Redmine::Acts::Watchable::InstanceMethods
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alias_method_chain :watcher_user_ids=, :uniq_ids
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end
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end
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module InstanceMethods
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def self.included(base)
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base.extend ClassMethods
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end
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# Returns an array of users that are proposed as watchers
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def addable_watcher_users
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users = self.project.users.sort - self.watcher_users
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if respond_to?(:visible?)
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users.reject! {|user| !visible?(user)}
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end
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users
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end
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# Adds user as a watcher
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def add_watcher(user)
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self.watchers << Watcher.new(:user => user)
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end
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# Removes user from the watchers list
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def remove_watcher(user)
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return nil unless user && user.is_a?(User)
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watchers.where(:user_id => user.id).delete_all
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end
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# Adds/removes watcher
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def set_watcher(user, watching=true)
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watching ? add_watcher(user) : remove_watcher(user)
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end
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# Overrides watcher_user_ids= to make user_ids uniq
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def watcher_user_ids_with_uniq_ids=(user_ids)
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if user_ids.is_a?(Array)
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user_ids = user_ids.uniq
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end
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send :watcher_user_ids_without_uniq_ids=, user_ids
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end
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# Returns true if object is watched by +user+
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def watched_by?(user)
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!!(user && self.watcher_user_ids.detect {|uid| uid == user.id })
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end
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def notified_watchers
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notified = watcher_users.active
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notified.reject! {|user| user.mail.blank? || user.mail_notification == 'none'}
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if respond_to?(:visible?)
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notified.reject! {|user| !visible?(user)}
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end
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notified
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end
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# Returns an array of watchers' email addresses
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def watcher_recipients
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notified_watchers.collect(&:mail)
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end
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module ClassMethods; end
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end
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end
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end
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end
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