Updated README for Google Device Access (#312)

* Update README.md

Added step by step guide to help others set up Google Device Access

* Revert "Update README.md"

This reverts commit 353045675e.

* Update README.md

* Update README.md

Updated with step by step guide

plugins/google-device-access/README.md

@@ -42,3 +42,70 @@ https://www.google.com
 ### Google Cloud PubSub Setup
 
 Create a pubsub *push* subscription and configure it using the previously noted GDA topic and Scrypted pubsub url.
+
+
+
+
+
+
+### Step by Step Guide Of The Above
+
+1. Browse to https://console.developers.google.com/apis/credentials
+2. In the top left bar, click the drop down
+3. Select 'New Project'
+4. Enter a project name eg NestScrypted
+5. Click 'Create'
+6. You will be taken back to the 'APIs and services' page
+7. In the top left bar, click the drop down and choose your newly created project
+8. You need to configure OAuth consent screen - click 'CONFIGURE CONSENT SCREEN' to the right of the page
+9. Select 'External' and click 'Create'
+10. Complete all mandatory fields
+11. Click 'Save and continue' for the next 3 screens
+12. Click 'BACK TO DASHBOARD'
+13. In the left column, select 'Credentials'
+14. At the top of the screen, click '+ CREATE CREDENTIALS'
+15. Choose 'OAuth client ID'
+16. From the drop down, choose 'Web application' as the application type
+17. Enter a name eg Scrypted OAuth
+18. Under 'Authorised redirect URIs' click '+ ADD URI' and enter https://home.scrypted.app/web/oauth/callback
+19. Click '+ ADD URI' and add https://www.google.com
+20. Make a note of the OAuth 'Your Client ID' and 'Your Client Secret' - these are to be entered into Scrypted plugin Google Device Access settings
+21. Click 'Create'
+22. On the left column, select 'OAuth consent screen'
+23. Scroll down to '+ ADD TEST USERS'
+24. Add your gmail email addresss as a test user
+25. In the left column click 'Enable APIs and services'
+26. At the top of the page, click '+ ENABLE APIS AND SERVICES'
+27. Search for 'Smart Device Management API'
+28. Click the result and select 'ENABLE'
+29. In the left column click 'Enable APIs and services'
+30. At the top of the page, click '+ ENABLE APIS AND SERVICES'
+31. Search for 'Cloud pub/sub api'
+32. Select 'Cloud pub/sub api'
+33. Click 'ENABLE'
+34. Browse to https://console.nest.google.com/device-access/project-list
+35. Create a project
+36. Enter a name for the project
+37. Click 'Next'
+38. Enter the OAuth Client ID from step 20 (the same details you recorded on the Scrypted plugin Google D9vice Access settings page)
+40. Select 'Enable' and click 'Create Project'
+41. Make a note of the Project ID - this is to be entered into Scrypted plugin Google Device Access settings page for Project ID
+42. Make a note of the 'Pub/Sub Topic'
+43. Go back to the Scrypte plugin and choose 'Login'
+44. Select your email address
+45. Select all the relevant devices you wish to access in Scrypted, wait for 10 seconds to allow any other options to become active to select
+46. Select 'Next'
+47. Choose your email account again
+48. Click 'Continue' when prompted even though the app has not been verified
+49. Click 'Continue' on the page stating 'scrypted.app wants to access your Google Account'
+50. Your new devices will be added to Scrypted.
+51. Now we need to setup the Google Cloud Pub/Sub - browse to https://console.cloud.google.com/cloudpubsub/subscription/list
+52. Click on ‘Create Subscription’
+53. In ‘Subscription ID’ field enter any value, eg ‘Scrypted’
+54. Click the drop down title ‘Select a Cloud Pub/Sub topic’
+55. Click on ‘ENTER TOPIC MANUALLY’
+56. Enter the noted pub/sub topic from step 42 and click 'Save'
+57. Change 'Delivery type' to Push
+58. Enter the URL from Scrypted Google Device Access Settings page (bottom box - 'Pub/Sub Address') in the 'Endpoint URL'
+59. Change ‘Message Retention’ to 1 hour rather than 7 days otherwise the system can get overloaded
+60. Click ‘Create’