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