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Versions: 15
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Stored size: 1.34 KB
Contents
class ChatMessage < AbstractAdapter
belongs_to :chat
belongs_to :author, class_name: 'User'
has_many :chat_users, through: :chat
has_many :recipients, lambda {|message| where(':created_at >= chat_users.created_at and (chat_users.departed_at IS NULL OR :created_at <= chat_users.departed_at)', created_at: message.created_at ) }, through: :chat_users, source: :user, class_name: 'User'
# Create ChatUserMessage records for each recipient to track read status
has_many :chat_message_users, dependent: :destroy
validate :author_in_chat
def author_in_chat
errors[:base] << 'User not in chat session.' unless chat.active_users.include? author
end
before_save :create_message_users, if: :new_record?
def create_message_users
chat_users.merge(ChatUser.current).each do |cu|
chat_message_users.build(user: cu.user)
end
end
def read_by?(user)
chat_message_users.merge(ChatMessageUser.read).map(&:user_id).include?(user.id)
end
def self.find_chat_for_users(users)
# presumably much more efficient ways to run an intersecton, we want to find the last
# exact match with the users being messaged to append to the existing chat.
Chat.eager_load(:chat_users).where("chat_users.departed_at IS NULL").order('chats.created_at desc').detect {|c| c.chat_users.map(&:user_id).uniq.sort == users.map(&:id).sort }
end
end
Version data entries
15 entries across 15 versions & 1 rubygems