discourse/plugins/chat/lib/chat_mailer.rb
2023-01-07 11:11:37 +00:00

64 lines
2.4 KiB
Ruby

# frozen_string_literal: true
class Chat::ChatMailer
def self.send_unread_mentions_summary
return unless SiteSetting.chat_enabled
users_with_unprocessed_unread_mentions.find_each do |user|
# user#memberships_with_unread_messages is a nested array that looks like [[membership_id, unread_message_id]]
# Find the max unread id per membership.
membership_and_max_unread_mention_ids =
user
.memberships_with_unread_messages
.group_by { |memberships| memberships[0] }
.transform_values do |membership_and_msg_ids|
membership_and_msg_ids.max_by { |membership, msg| msg }
end
.values
Jobs.enqueue(
:user_email,
type: "chat_summary",
user_id: user.id,
force_respect_seen_recently: true,
memberships_to_update_data: membership_and_max_unread_mention_ids,
)
end
end
private
def self.users_with_unprocessed_unread_mentions
when_away_frequency = UserOption.chat_email_frequencies[:when_away]
allowed_group_ids = Chat.allowed_group_ids
users =
User
.joins(:user_option)
.where(user_options: { chat_enabled: true, chat_email_frequency: when_away_frequency })
.where("users.last_seen_at < ?", 15.minutes.ago)
if !allowed_group_ids.include?(Group::AUTO_GROUPS[:everyone])
users = users.joins(:groups).where(groups: { id: allowed_group_ids })
end
users
.select("users.id", "ARRAY_AGG(ARRAY[uccm.id, c_msg.id]) AS memberships_with_unread_messages")
.joins("INNER JOIN user_chat_channel_memberships uccm ON uccm.user_id = users.id")
.joins("INNER JOIN chat_channels cc ON cc.id = uccm.chat_channel_id")
.joins("INNER JOIN chat_messages c_msg ON c_msg.chat_channel_id = uccm.chat_channel_id")
.joins("LEFT OUTER JOIN chat_mentions c_mentions ON c_mentions.chat_message_id = c_msg.id")
.where("c_msg.deleted_at IS NULL AND c_msg.user_id <> users.id")
.where("c_msg.created_at > ?", 1.week.ago)
.where(<<~SQL)
(uccm.last_read_message_id IS NULL OR c_msg.id > uccm.last_read_message_id) AND
(uccm.last_unread_mention_when_emailed_id IS NULL OR c_msg.id > uccm.last_unread_mention_when_emailed_id) AND
(
(uccm.user_id = c_mentions.user_id AND uccm.following IS true AND cc.chatable_type = 'Category') OR
(cc.chatable_type = 'DirectMessage')
)
SQL
.group("users.id, uccm.user_id")
end
end