class Message

Schema Information¶ ↑

Table name: messages

id                   :integer          not null, primary key
message              :text
created_at           :datetime
updated_at           :datetime
offline              :boolean          default(FALSE)
chat_conversation_id :integer
university_id           :integer

Public Class Methods

paginate(page = 1, per_page = 10, offset_delta = 0) click to toggle source

Set pagination limit for page.

# File app/models/message.rb, line 69
def self.paginate(page = 1, per_page = 10, offset_delta = 0)
  limit(per_page.to_i).offset((per_page.to_i * (page.to_i - 1)) + offset_delta.to_i)
end

Public Instance Methods

as_json(options = {}) click to toggle source

Returns message json object.

# File app/models/message.rb, line 43
def as_json(options = {})
  json = {
    id: self.id,
    conversation_id: chat_conversation.id,
    from: {
      id: sender.id, name: sender.full_name,
      image: (ActionController::Base.helpers.image_path sender.image_url(:thumb))
    },
    message: message,
    created_at: created_at,
    chat_box_data: chat_conversation.chat_data_for(User.current),
    sent: sender == User.current
  }
  json.merge!(
    attachment: {
      image: attachment.image?,
      file_name: attachment.attachment_file_name,
      file_type: attachment.attachment_content_type.split('/').last,
      file_size: ApplicationController.helpers.number_to_human_size(attachment.attachment_file_size),
      url: attachment.attachment.url
    }
  ) if attachment
  json
end

create_receipts() click to toggle source

Create receipts for message.

# File app/models/message.rb, line 32
def create_receipts
  self.receipts.create!(user: User.current, read: true, sent: true, chat_conversation_id: self.chat_conversation.id)
  CreateReceipts.perform_async(id)
end

read?(user) click to toggle source

Returns whether the message is delivered to user or not.

# File app/models/message.rb, line 38
def read?(user)
  received_receipts.where(user: user, read: true).exists?
end