docbrown/app/models/message.rb

80 lines
2.4 KiB
Ruby

class Message < ApplicationRecord
belongs_to :user
belongs_to :chat_channel
validates :message_html, presence: true
validates :message_markdown, presence: true, length: { maximum: 600 }
validate :channel_permission
before_save :determine_user_validity
before_validation :evaluate_markdown
after_create :update_chat_channel_last_message_at
after_create :update_all_has_unopened_messages_statuses
def preferred_user_color
color_options = [user.bg_color_hex || "#000000", user.text_color_hex || "#000000"]
HexComparer.new(color_options).brightness(0.9)
end
def determine_user_validity
raise unless chat_channel.status == "active" && (chat_channel.has_member?(user) || chat_channel.channel_type == "open")
end
def send_push
reciever_ids = chat_channel.chat_channel_memberships.
where.not(user_id: user.id).pluck(:user_id)
PushNotificationSubscription.where(user_id: reciever_ids).each do |sub|
return if no_push_necessary?(sub)
Webpush.payload_send(
endpoint: sub.endpoint,
message: ActionView::Base.full_sanitizer.sanitize(message_html),
p256dh: sub.p256dh_key,
auth: sub.auth_key,
ttl: 24 * 60 * 60,
vapid: {
subject: "https://dev.to",
public_key: ENV["VAPID_PUBLIC_KEY"],
private_key: ENV["VAPID_PRIVATE_KEY"],
})
end
end
private
def update_chat_channel_last_message_at
chat_channel.touch(:last_message_at)
chat_channel.index!
chat_channel.delay.index!
end
def update_all_has_unopened_messages_statuses
chat_channel.
chat_channel_memberships.
where("last_opened_at < ?", 4.seconds.ago).
where.
not(user_id: user_id).
update_all(has_unopened_messages: true)
end
def evaluate_markdown
self.message_html = MarkdownParser.new(message_markdown).evaluate_inline_markdown
end
def channel_permission
if chat_channel_id.blank?
errors.add(:base, "Must be part of channel.")
end
channel = ChatChannel.find(chat_channel_id)
return if channel.channel_type == "open"
if channel.has_member?(user)
# this is fine
else
errors.add(:base, "You are not a participant of this chat channel.")
end
end
def no_push_necessary?(sub)
membership = sub.user.chat_channel_memberships.order("last_opened_at DESC").first
membership.last_opened_at > 40.seconds.ago
end
end