discourse-chat-integration/app/services/manager.rb

110 lines
4.5 KiB
Ruby

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