Signup

Endpoints

POST /signup/{email_address}

1. Generate random verification code XXXXXX
2. Check that code does not already exist in database. If it does exist, GOTO (1), else GOTO (3).
3. Send email to email_address containing link to /verify/XXXXXX
4. Store in database the row creation_date: time.Now(), email: email_address, code: XXXXXX, is_verified: false
5. Response JSON: {"Address": "email_address", "Success": true, "Note": ""}

GET /signup/{email_address}

1. Check email_address in database and verified = true
2. Response JSON: {"Address": "email_address", "Success": true, "Note": ""}

GET /verify/{code}

1. Look up code = XXXXXX in database. If XXXXXX exists, GOTO 2, else GOTO 3.
2. If is_verified: false GOTO 4, else GOTO 5
3. Response JSON: {"Code": "XXXXXX", "Success": false, "Note": "no such verification code"}
4. Mark is_verified as true in database, GOTO 6
5. Response JSON: {"Code": "XXXXXX", "Success": false, "Note": "signup already verified"}
6. Response JSON: {"Code": "XXXXXX", "Success": true, "Note": ""}

Notes

I found this incredibly useful in helping me design testable code using Google App Engine: https://www.compoundtheory.com/testing-go-http-handlers-in-google-app-engine-with-mux-and-higher-order-functions/