discourse-chat-integration/lib/discourse_chat/provider/slack/slack_provider.rb

146 lines
4.7 KiB
Ruby

module DiscourseChat::Provider::SlackProvider
PROVIDER_NAME = "slack".freeze
PROVIDER_ENABLED_SETTING = :chat_integration_slack_enabled
CHANNEL_PARAMETERS = [
{ key: "identifier", regex: '^[@#]\S*$', unique: true }
]
def self.excerpt(post, max_length = SiteSetting.chat_integration_slack_excerpt_length)
doc = Nokogiri::HTML.fragment(post.excerpt(max_length,
remap_emoji: true,
keep_onebox_source: true
))
SlackMessageFormatter.format(doc.to_html)
end
def self.slack_message(post, channel)
display_name = "@#{post.user.username}"
full_name = post.user.name || ""
if !(full_name.strip.empty?) && (full_name.strip.gsub(' ', '_').casecmp(post.user.username) != 0) && (full_name.strip.gsub(' ', '').casecmp(post.user.username) != 0)
display_name = "#{full_name} @#{post.user.username}"
end
topic = post.topic
category = ''
if topic.category
category = (topic.category.parent_category) ? "[#{topic.category.parent_category.name}/#{topic.category.name}]" : "[#{topic.category.name}]"
end
icon_url =
if !SiteSetting.chat_integration_slack_icon_url.blank?
"#{Discourse.base_url}#{SiteSetting.chat_integration_slack_icon_url}"
elsif !SiteSetting.logo_small_url.blank?
"#{Discourse.base_url}#{SiteSetting.logo_small_url}"
end
message = {
channel: channel,
username: SiteSetting.title || "Discourse",
icon_url: icon_url,
attachments: []
}
summary = {
fallback: "#{topic.title} - #{display_name}",
author_name: display_name,
author_icon: post.user.small_avatar_url,
color: topic.category ? "##{topic.category.color}" : nil,
text: excerpt(post),
mrkdwn_in: ["text"],
title: "#{topic.title} #{(category == '[uncategorized]') ? '' : category} #{topic.tags.present? ? topic.tags.map(&:name).join(', ') : ''}",
title_link: post.full_url,
thumb_url: post.full_url
}
message[:attachments].push(summary)
return message
end
def self.send_via_api(post, channel, message)
http = Net::HTTP.new("slack.com", 443)
http.use_ssl = true
response = nil
uri = ""
record = DiscourseChat.pstore_get("slack_topic_#{post.topic.id}_#{channel}")
data = {
token: SiteSetting.chat_integration_slack_access_token,
}
req = Net::HTTP::Post.new(URI('https://slack.com/api/chat.postMessage'))
data = {
token: SiteSetting.chat_integration_slack_access_token,
username: message[:username],
icon_url: message[:icon_url],
channel: message[:channel].gsub('#', ''),
attachments: message[:attachments].to_json
}
req.set_form_data(data)
response = http.request(req)
unless response.kind_of? Net::HTTPSuccess
raise ::DiscourseChat::ProviderError.new info: { request: uri, response_code: response.code, response_body: response.body }
end
json = JSON.parse(response.body)
unless json["ok"] == true
if json.key?("error") && (json["error"] == ('channel_not_found') || json["error"] == ('is_archived'))
error_key = 'chat_integration.provider.slack.errors.channel_not_found'
else
error_key = nil
end
raise ::DiscourseChat::ProviderError.new info: { error_key: error_key, request: uri, response_code: response.code, response_body: response.body }
end
response
end
def self.send_via_webhook(message)
http = Net::HTTP.new("hooks.slack.com", 443)
http.use_ssl = true
req = Net::HTTP::Post.new(URI(SiteSetting.chat_integration_slack_outbound_webhook_url), 'Content-Type' => 'application/json')
req.body = message.to_json
response = http.request(req)
unless response.kind_of? Net::HTTPSuccess
if response.code.to_s == '403'
error_key = 'chat_integration.provider.slack.errors.action_prohibited'
elsif response.body == ('channel_not_found') || response.body == ('channel_is_archived')
error_key = 'chat_integration.provider.slack.errors.channel_not_found'
else
error_key = nil
end
raise ::DiscourseChat::ProviderError.new info: { error_key: error_key, request: req.body, response_code: response.code, response_body: response.body }
end
end
def self.trigger_notification(post, channel)
channel_id = channel.data['identifier']
message = slack_message(post, channel_id)
if SiteSetting.chat_integration_slack_access_token.empty?
self.send_via_webhook(message)
else
self.send_via_api(post, channel_id, message)
end
end
end
require_relative "slack_message_formatter"
require_relative "slack_transcript"
require_relative "slack_message"
require_relative "slack_command_controller"