Chatwoot/app/models/channel/telegram.rb
Aswin Dev P.S be9a055a3f
feat: Ability to send attachments to telegram (#3108)
This feature allows the user to send and delete attachments in the telegram conversation.

Fixes #3037
2021-10-01 01:45:29 +05:30

121 lines
3.5 KiB
Ruby

# == Schema Information
#
# Table name: channel_telegram
#
# id :bigint not null, primary key
# bot_name :string
# bot_token :string not null
# created_at :datetime not null
# updated_at :datetime not null
# account_id :integer not null
#
# Indexes
#
# index_channel_telegram_on_bot_token (bot_token) UNIQUE
#
class Channel::Telegram < ApplicationRecord
include Channelable
self.table_name = 'channel_telegram'
EDITABLE_ATTRS = [:bot_token].freeze
before_validation :ensure_valid_bot_token, on: :create
validates :bot_token, presence: true, uniqueness: true
before_save :setup_telegram_webhook
def name
'Telegram'
end
def telegram_api_url
"https://api.telegram.org/bot#{bot_token}"
end
def send_message_on_telegram(message)
return send_message(message) if message.attachments.empty?
send_attachments(message)
end
def get_telegram_profile_image(user_id)
# get profile image from telegram
response = HTTParty.get("#{telegram_api_url}/getUserProfilePhotos", query: { user_id: user_id })
return nil unless response.success?
photos = response.parsed_response['result']['photos']
return if photos.blank?
get_telegram_file_path(photos.first.last['file_id'])
end
def get_telegram_file_path(file_id)
response = HTTParty.get("#{telegram_api_url}/getFile", query: { file_id: file_id })
return nil unless response.success?
"https://api.telegram.org/file/bot#{bot_token}/#{response.parsed_response['result']['file_path']}"
end
private
def ensure_valid_bot_token
response = HTTParty.get("#{telegram_api_url}/getMe")
unless response.success?
errors.add(:bot_token, 'invalid token')
return
end
self.bot_name = response.parsed_response['result']['username']
end
def setup_telegram_webhook
HTTParty.post("#{telegram_api_url}/deleteWebhook")
response = HTTParty.post("#{telegram_api_url}/setWebhook",
body: {
url: "#{ENV['FRONTEND_URL']}/webhooks/telegram/#{bot_token}"
})
errors.add(:bot_token, 'error setting up the webook') unless response.success?
end
def send_message(message)
response = message_request(message.conversation[:additional_attributes]['chat_id'], message.content)
response.parsed_response['result']['message_id'] if response.success?
end
def send_attachments(message)
send_message(message) unless message.content.nil?
telegram_attachments = []
message.attachments.each do |attachment|
telegram_attachment = {}
case attachment[:file_type]
when 'image'
telegram_attachment[:type] = 'photo'
when 'file'
telegram_attachment[:type] = 'document'
end
telegram_attachment[:media] = attachment.file_url
telegram_attachments << telegram_attachment
end
response = attachments_request(message.conversation[:additional_attributes]['chat_id'], telegram_attachments)
response.parsed_response['result'].first['message_id'] if response.success?
end
def attachments_request(chat_id, attachments)
HTTParty.post("#{telegram_api_url}/sendMediaGroup",
body: {
chat_id: chat_id,
media: attachments.to_json
})
end
def message_request(chat_id, text)
HTTParty.post("#{telegram_api_url}/sendMessage",
body: {
chat_id: chat_id,
text: text
})
end
end