96 lines
2.3 KiB
Ruby
96 lines
2.3 KiB
Ruby
class Notification < ActiveRecord::Base
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belongs_to :user
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belongs_to :topic
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validates_presence_of :data
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validates_presence_of :notification_type
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def self.Types
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{:mentioned => 1,
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:replied => 2,
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:quoted => 3,
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:edited => 4,
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:liked => 5,
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:private_message => 6,
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:invited_to_private_message => 7,
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:invitee_accepted => 8,
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:posted => 9,
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:moved_post => 10}
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end
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def self.InvertedTypes
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@inverted_types ||= Notification.Types.invert
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end
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def self.unread
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where(read: false)
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end
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def self.mark_posts_read(user, topic_id, post_numbers)
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Notification.update_all "read = 't'", ["user_id = ? and topic_id = ? and post_number in (?) and read = ?", user.id, topic_id, post_numbers, false]
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end
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def self.recent
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order('created_at desc').limit(10)
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end
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def self.interesting_after(min_date)
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result = where("created_at > ?", min_date)
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.includes(:topic)
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.unread
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.limit(20)
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.order("CASE WHEN notification_type = #{Notification.Types[:replied]} THEN 1
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WHEN notification_type = #{Notification.Types[:mentioned]} THEN 2
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ELSE 3
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END, created_at DESC").to_a
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# Remove any duplicates by type and topic
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if result.present?
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seen = {}
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to_remove = Set.new
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result.each do |r|
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seen[r.notification_type] ||= Set.new
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if seen[r.notification_type].include?(r.topic_id)
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to_remove << r.id
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else
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seen[r.notification_type] << r.topic_id
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end
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end
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result.reject! {|r| to_remove.include?(r.id) }
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end
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result
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end
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# Be wary of calling this frequently. O(n) JSON parsing can suck.
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def data_hash
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@data_hash ||= begin
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return nil if data.blank?
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::JSON.parse(data).with_indifferent_access
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end
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end
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def text_description
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link = block_given? ? yield : ""
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I18n.t("notification_types.#{Notification.InvertedTypes[notification_type]}", data_hash.merge(link: link))
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end
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def url
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if topic.present?
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return topic.relative_url(post_number)
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end
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nil
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end
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def post
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return nil unless topic_id.present?
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return nil unless post_number.present?
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Post.where(topic_id: topic_id, post_number: post_number).first
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end
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end
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