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

136 lines
4.3 KiB
Ruby

module DiscourseChat::Provider::SlackProvider
class SlackCommandController < DiscourseChat::Provider::HookController
requires_provider ::DiscourseChat::Provider::SlackProvider::PROVIDER_NAME
before_filter :slack_token_valid?, only: :command
before_filter :slack_payload_token_valid?, only: :interactive
skip_before_filter :check_xhr,
:preload_json,
:verify_authenticity_token,
:redirect_to_login_if_required,
only: [:command, :interactive]
def command
message = process_command(params)
render json: message
end
def process_command(params)
tokens = params[:text].split(" ")
# channel name fix
channel_id =
case params[:channel_name]
when 'directmessage'
"@#{params[:user_name]}"
when 'privategroup'
params[:channel_id]
else
"##{params[:channel_name]}"
end
provider = DiscourseChat::Provider::SlackProvider::PROVIDER_NAME
channel = DiscourseChat::Channel.with_provider(provider).with_data_value('identifier', channel_id).first
# Create channel if doesn't exist
channel ||= DiscourseChat::Channel.create!(provider: provider, data: { identifier: channel_id })
if tokens[0] == 'post'
return process_post_request(channel, tokens, params[:channel_id], channel_id)
end
return { text: ::DiscourseChat::Helper.process_command(channel, tokens) }
end
def process_post_request(channel, tokens, slack_channel_id, channel_name)
if SiteSetting.chat_integration_slack_access_token.empty?
return I18n.t("chat_integration.provider.slack.api_required")
end
requested_messages = 10
if tokens.size > 1
begin
requested_messages = Integer(tokens[1], 10)
rescue ArgumentError
return { text: I18n.t("chat_integration.provider.slack.parse_error") }
end
end
transcript = SlackTranscript.load_transcript(slack_channel_id: slack_channel_id,
channel_name: channel_name,
requested_messages: requested_messages)
return { text: I18n.t("chat_integration.provider.slack.transcript_error") } unless transcript
return transcript.build_slack_ui
end
def interactive
json = JSON.parse(params[:payload], symbolize_names: true)
render json: process_interactive(json)
end
def process_interactive(json)
action_name = json[:actions][0][:name]
constant_val = json[:callback_id]
changed_val = json[:actions][0][:selected_options][0][:value]
first_message = (action_name == 'first_message') ? changed_val : constant_val
last_message = (action_name == 'first_message') ? constant_val : changed_val
transcript = SlackTranscript.load_transcript(slack_channel_id: json[:channel][:id],
channel_name: "##{json[:channel][:name]}",
first_message_ts: first_message,
last_message_ts: last_message)
return { text: I18n.t("chat_integration.provider.slack.transcript_error") } unless transcript
message = transcript.build_slack_ui
return message
end
def slack_token_valid?
params.require(:token)
if SiteSetting.chat_integration_slack_incoming_webhook_token.blank? ||
SiteSetting.chat_integration_slack_incoming_webhook_token != params[:token]
raise Discourse::InvalidAccess.new
end
end
def slack_payload_token_valid?
params.require(:payload)
json = JSON.parse(params[:payload], symbolize_names: true)
if SiteSetting.chat_integration_slack_incoming_webhook_token.blank? ||
SiteSetting.chat_integration_slack_incoming_webhook_token != json[:token]
raise Discourse::InvalidAccess.new
end
end
end
class SlackEngine < ::Rails::Engine
engine_name DiscourseChat::PLUGIN_NAME + "-slack"
isolate_namespace DiscourseChat::Provider::SlackProvider
end
SlackEngine.routes.draw do
post "command" => "slack_command#command"
post "interactive" => "slack_command#interactive"
end
end