discourse-chat-integration/lib/discourse_chat_integration/provider/telegram/telegram_provider.rb

119 lines
3.8 KiB
Ruby

# frozen_string_literal: true
module DiscourseChatIntegration
module Provider
module TelegramProvider
PROVIDER_NAME = "telegram".freeze
PROVIDER_ENABLED_SETTING = :chat_integration_telegram_enabled
CHANNEL_PARAMETERS = [
{ key: "name", regex: '^\S+' },
{ key: "chat_id", regex: '^(-?[0-9]+|@\S+)$', unique: true },
]
def self.setup_webhook
newSecret = SecureRandom.hex
SiteSetting.chat_integration_telegram_secret = newSecret
message = { url: Discourse.base_url + "/chat-integration/telegram/command/" + newSecret }
response = self.do_api_request("setWebhook", message)
if response["ok"] != true
# If setting up webhook failed, disable provider
SiteSetting.chat_integration_telegram_enabled = false
Rails.logger.error(
"Failed to setup telegram webhook. Message data= " + message.to_json + " response=" +
response.to_json,
)
end
end
def self.sendMessage(message)
self.do_api_request("sendMessage", message)
end
def self.do_api_request(methodName, message)
http = FinalDestination::HTTP.new("api.telegram.org", 443)
http.use_ssl = true
access_token = SiteSetting.chat_integration_telegram_access_token
uri = URI("https://api.telegram.org/bot#{access_token}/#{methodName}")
req = Net::HTTP::Post.new(uri, "Content-Type" => "application/json")
req.body = message.to_json
response = http.request(req)
responseData = JSON.parse(response.body)
responseData
end
def self.message_text(post)
display_name = ::DiscourseChatIntegration::Helper.formatted_display_name(post.user)
topic = post.topic
category = ""
if topic.category
category =
(
if (topic.category.parent_category)
"[#{topic.category.parent_category.name}/#{topic.category.name}]"
else
"[#{topic.category.name}]"
end
)
end
tags = ""
tags = topic.tags.map(&:name).join(", ") if topic.tags.present?
I18n.t(
"chat_integration.provider.telegram.message",
user: display_name,
post_url: post.full_url,
title: CGI.escapeHTML(topic.title),
post_excerpt:
post.excerpt(
SiteSetting.chat_integration_telegram_excerpt_length,
text_entities: true,
strip_links: true,
remap_emoji: true,
),
)
end
def self.trigger_notification(post, channel, rule)
chat_id = channel.data["chat_id"]
message = {
chat_id: chat_id,
text: message_text(post),
parse_mode: "html",
disable_web_page_preview: true,
}
response = sendMessage(message)
if response["ok"] != true
error_key = nil
if response["description"].include? "chat not found"
error_key = "chat_integration.provider.telegram.errors.channel_not_found"
elsif response["description"].include? "Forbidden"
error_key = "chat_integration.provider.telegram.errors.forbidden"
end
raise ::DiscourseChatIntegration::ProviderError.new info: {
error_key: error_key,
message: message,
response_body: response,
}
end
end
end
end
end
require_relative "telegram_command_controller.rb"
require_relative "telegram_initializer.rb"