110 lines
4.5 KiB
Ruby
110 lines
4.5 KiB
Ruby
module DiscourseChat
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module Manager
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def self.guardian
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Guardian.new(User.find_by(username: SiteSetting.chat_integration_discourse_username))
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end
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def self.trigger_notifications(post_id)
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Rails.logger.info("Triggering chat notifications for post #{post_id}")
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post = Post.find_by(id: post_id)
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# Abort if the chat_user doesn't have permission to see the post
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return if !guardian.can_see?(post)
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# Abort if the post is blank, or is non-regular (e.g. a "topic closed" notification)
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return if post.blank? || post.post_type != Post.types[:regular]
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topic = post.topic
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# Abort if topic is blank... this should never be the case
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return if topic.blank?
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# If it's a private message, filter rules by groups, otherwise filter rules by category
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if topic.archetype == Archetype.private_message
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group_ids_with_access = topic.topic_allowed_groups.pluck(:group_id)
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return if group_ids_with_access.empty?
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matching_rules = DiscourseChat::Rule.with_type('group_message').with_group_ids(group_ids_with_access)
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else
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matching_rules = DiscourseChat::Rule.with_type('normal').with_category_id(topic.category_id)
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if topic.category # Also load the rules for the wildcard category
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matching_rules += DiscourseChat::Rule.with_type('normal').with_category_id(nil)
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end
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# If groups are mentioned, check for any matching rules and append them
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mentions = post.raw_mentions
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if mentions && mentions.length > 0
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groups = Group.where('LOWER(name) IN (?)', mentions)
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if groups.exists?
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matching_rules += DiscourseChat::Rule.with_type('group_mention').with_group_ids(groups.map(&:id))
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end
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end
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end
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# If tagging is enabled, thow away rules that don't apply to this topic
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if SiteSetting.tagging_enabled
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topic_tags = topic.tags.present? ? topic.tags.pluck(:name) : []
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matching_rules = matching_rules.select do |rule|
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next true if rule.tags.nil? || rule.tags.empty? # Filter has no tags specified
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any_tags_match = !((rule.tags & topic_tags).empty?)
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next any_tags_match # If any tags match, keep this filter, otherwise throw away
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end
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end
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# Sort by order of precedence
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t_prec = { 'group_message' => 0, 'group_mention' => 1, 'normal' => 2 } # Group things win
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f_prec = { 'mute' => 0, 'watch' => 1, 'follow' => 2 } #(mute always wins; watch beats follow)
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sort_func = proc { |a, b| [t_prec[a.type], f_prec[a.filter]] <=> [t_prec[b.type], f_prec[b.filter]] }
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matching_rules = matching_rules.sort(&sort_func)
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# Take the first rule for each channel
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uniq_func = proc { |rule| [rule.channel_id] }
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matching_rules = matching_rules.uniq(&uniq_func)
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# If a matching rule is set to mute, we can discard it now
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matching_rules = matching_rules.select { |rule| rule.filter != "mute" }
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# If this is not the first post, discard all "follow" rules
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if not post.is_first_post?
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matching_rules = matching_rules.select { |rule| rule.filter != "follow" }
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end
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# All remaining rules now require a notification to be sent
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# If there are none left, abort
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return false if matching_rules.empty?
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# Loop through each rule, and trigger appropriate notifications
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matching_rules.each do |rule|
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# If there are any issues, skip to the next rule
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next unless channel = rule.channel
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next unless provider = ::DiscourseChat::Provider.get_by_name(channel.provider)
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next unless is_enabled = ::DiscourseChat::Provider.is_enabled(provider)
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begin
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provider.trigger_notification(post, channel)
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channel.update_attribute('error_key', nil) if channel.error_key
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rescue => e
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if e.class == (DiscourseChat::ProviderError) && e.info.key?(:error_key) && !e.info[:error_key].nil?
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channel.update_attribute('error_key', e.info[:error_key])
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else
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channel.update_attribute('error_key', 'chat_integration.channel_exception')
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end
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# Log the error
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Discourse.handle_job_exception(e,
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message: "Triggering notifications failed",
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extra: { provider_name: provider::PROVIDER_NAME,
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channel: rule.channel,
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post_id: post.id,
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error_info: e.class == DiscourseChat::ProviderError ? e.info : nil }
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)
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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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