app/controllers/wechats_controller.rb
class WechatsController < ApplicationController
# to allow using wechat message DSL and web page helper
wechat_responder
# default text responder when no other match
on :text do |request, content|
request.reply.text "echo: #{content}" # Just echo
end
# When receive 'help', will trigger this responder
on :text, with: 'help' do |request|
request.reply.text 'help content'
end
# When receive '<n>news', will match and will got count as <n> as parameter
on :text, with: /^(\d+) news$/ do |request, count|
# Wechat article can only contain max 10 items, large than 10 will dropped.
news = (1..count.to_i).each_with_object([]) { |n, memo| memo << { title: 'News title', content: "No. #{n} news content" } }
request.reply.news(news) do |article, n, index| # article is return object
article.item title: "#{index} #{n[:title]}", description: n[:content], pic_url: 'http://www.baidu.com/img/bdlogo.gif', url: 'http://www.baidu.com/'
end
end
on :event, with: 'subscribe' do |request|
request.reply.text "#{request[:FromUserName]} subscribe now"
end
# When unsubscribe user scan qrcode qrscene_xxxxxx to subscribe in public account
# notice user will subscribe public account at same time, so wechat won't trigger subscribe event any more
on :scan, with: 'qrscene_xxxxxx' do |request, ticket|
request.reply.text "Unsubscribe user #{request[:FromUserName]} Ticket #{ticket}"
end
# When subscribe user scan scene_id in public account
on :scan, with: 'scene_id' do |request, ticket|
request.reply.text "Subscribe user #{request[:FromUserName]} Ticket #{ticket}"
end
# When no any on :scan responder can match subscribe user scaned scene_id
on :event, with: 'scan' do |request|
if request[:EventKey].present?
request.reply.text "event scan got EventKey #{request[:EventKey]} Ticket #{request[:Ticket]}"
end
end
# When enterprise user press menu BINDING_QR_CODE and success to scan bar code
on :scan, with: 'BINDING_QR_CODE' do |request, scan_result, scan_type|
request.reply.text "User #{request[:FromUserName]} ScanResult #{scan_result} ScanType #{scan_type}"
end
# Except QR code, wechat can also scan CODE_39 bar code in enterprise account
on :scan, with: 'BINDING_BARCODE' do |message, scan_result|
if scan_result.start_with? 'CODE_39,'
message.reply.text "User: #{message[:FromUserName]} scan barcode, result is #{scan_result.split(',')[1]}"
end
end
# When user click the menu button
on :click, with: 'BOOK_LUNCH' do |request, key|
request.reply.text "User: #{request[:FromUserName]} click #{key}"
end
# When user view URL in the menu button
on :view, with: 'http://wechat.somewhere.com/view_url' do |request, view|
request.reply.text "#{request[:FromUserName]} view #{view}"
end
# When user sent the imsage
on :image do |request|
request.reply.image(request[:MediaId]) # Echo the sent image to user
end
# When user sent the voice
on :voice do |request|
request.reply.voice(request[:MediaId]) # Echo the sent voice to user
end
# When user sent the video
on :video do |request|
nickname = wechat.user(request[:FromUserName])['nickname'] # Call wechat api to get sender nickname
request.reply.video(request[:MediaId], title: 'Echo', description: "Got #{nickname} sent video") # Echo the sent video to user
end
# When user sent location
on :location do |request|
request.reply.text("Latitude: #{message[:Latitude]} Longitude: #{message[:Longitude]} Precision: #{message[:Precision]}")
end
on :event, with: 'unsubscribe' do |request|
request.reply.success # user can not receive this message
end
# When user enter the app / agent app
on :event, with: 'enter_agent' do |request|
request.reply.text "#{request[:FromUserName]} enter agent app now"
end
# When batch job create/update user (incremental) finished.
on :batch_job, with: 'sync_user' do |request, batch_job|
request.reply.text "sync_user job #{batch_job[:JobId]} finished, return code #{batch_job[:ErrCode]}, return message #{batch_job[:ErrMsg]}"
end
# When batch job replace user (full sync) finished.
on :batch_job, with: 'replace_user' do |request, batch_job|
request.reply.text "replace_user job #{batch_job[:JobId]} finished, return code #{batch_job[:ErrCode]}, return message #{batch_job[:ErrMsg]}"
end
# When batch job invent user finished.
on :batch_job, with: 'invite_user' do |request, batch_job|
request.reply.text "invite_user job #{batch_job[:JobId]} finished, return code #{batch_job[:ErrCode]}, return message #{batch_job[:ErrMsg]}"
end
# When batch job replace department (full sync) finished.
on :batch_job, with: 'replace_party' do |request, batch_job|
request.reply.text "replace_party job #{batch_job[:JobId]} finished, return code #{batch_job[:ErrCode]}, return message #{batch_job[:ErrMsg]}"
end
on :event do |request|
logger.info request.inspect
if request[:CardId].present?
request.reply.text "CardId: #{request[:CardId]}, Event: #{request[:Event]}"
end
end
# Any not match above will fail to below
on :fallback, respond: 'fallback message'
end