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08cb9ecca4
`delete_previous!` deletes existing topics even when we cannot send a new one due to the `limit_once_per` option. The dashboard problems PM gets deleted the next time the job runs (30 minutes), so the inbox could be empty when admins click on the summary notification.
95 lines
2.9 KiB
Ruby
95 lines
2.9 KiB
Ruby
# frozen_string_literal: true
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# GroupMessage sends a private message to a group.
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# It will also avoid sending the same message repeatedly, which can happen with
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# notifications to moderators when spam is detected.
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#
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# Options:
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#
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# user: (User) If the message is about a user, pass the user object.
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# limit_once_per: (seconds) Limit sending the given type of message once every X seconds.
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# The default is 24 hours. Set to false to always send the message.
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class GroupMessage
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include Rails.application.routes.url_helpers
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RECENT_MESSAGE_PERIOD = 3.months
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def self.create(group_name, message_type, opts = {})
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GroupMessage.new(group_name, message_type, opts).create
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end
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def initialize(group_name, message_type, opts = {})
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@group_name = group_name
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@message_type = message_type
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@opts = opts
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end
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def create
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return false if sent_recently?
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post = PostCreator.create(
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Discourse.system_user,
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target_group_names: [@group_name],
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archetype: Archetype.private_message,
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subtype: TopicSubtype.system_message,
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title: I18n.t("system_messages.#{@message_type}.subject_template", message_params),
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raw: I18n.t("system_messages.#{@message_type}.text_body_template", message_params)
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)
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remember_message_sent
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post
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end
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def delete_previous!(respect_sent_recently: true, match_raw: true)
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return false if respect_sent_recently && sent_recently?
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posts = Post
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.joins(topic: { topic_allowed_groups: :group })
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.where(topic: {
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posts_count: 1,
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user_id: Discourse.system_user,
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archetype: Archetype.private_message,
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subtype: TopicSubtype.system_message,
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title: I18n.t("system_messages.#{@message_type}.subject_template", message_params),
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topic_allowed_groups: {
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groups: { name: @group_name }
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}
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})
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.where("posts.created_at > ?", RECENT_MESSAGE_PERIOD.ago)
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if match_raw
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posts = posts.where(raw: I18n.t("system_messages.#{@message_type}.text_body_template", message_params).rstrip)
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end
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posts.find_each do |post|
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PostDestroyer.new(Discourse.system_user, post).destroy
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end
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end
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def message_params
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@message_params ||= begin
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h = { base_url: Discourse.base_url }.merge(@opts[:message_params] || {})
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if @opts[:user]
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h.merge!(username: @opts[:user].username,
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user_url: user_path(@opts[:user].username))
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end
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h
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end
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end
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def sent_recently?
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return false if @opts[:limit_once_per] == false
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Discourse.redis.get(sent_recently_key).present?
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end
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# default is to send no more than once every 24 hours (24 * 60 * 60 = 86,400 seconds)
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def remember_message_sent
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Discourse.redis.setex(sent_recently_key, @opts[:limit_once_per].try(:to_i) || 86_400, 1) unless @opts[:limit_once_per] == false
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end
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def sent_recently_key
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"grpmsg:#{@group_name}:#{@message_type}:#{@opts[:user] ? @opts[:user].username : ''}"
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end
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end
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