Signup Backend

This using Dgraph cloud to generate GraphQL API

GraphQL endpoint https://green-feather-500032.ap-south-1.aws.cloud.dgraph.io/graphql

GraphQL API documentation https://spectaql.leiden.capital

Architecture

example signup data

{
	"id": "usercl5m8y0l8000b2e622yp8dgnm",
	"username": "Dane_Hintz78",
	"password": "oooqwao3ki",
	"profile_image": "https://api.lorem.space/image/face?w=150&h=150&hash=hueo4s2b",
	"joined_date": "2022-01-16T14:05:26.230Z"
}

{
	"id": "usercl5nhj2tt000c2e62wd7gdatf",
	"username": "Adolph10",
	"password": "x2v14outpr",
	"profile_image": "https://api.lorem.space/image/face?w=150&h=150&hash=3rmrd5e0",
	"joined_date": "2019-12-28T12:02:05.049Z"
}

{
	"id": "usercl5nhllbc000d2e623ot5g3hw",
	"username": "Yvette_Gutmann",
	"password": "rpl90f1c0o",
	"profile_image": "https://api.lorem.space/image/face?w=150&h=150&hash=6pfa9ro6",
	"joined_date": "2021-07-25T16:58:43.997Z"
}

API Design Specification

Add user

https://spectaql.leiden.capital/#mutation-newUser

All fields are required

id is hexadecimal auto generate from backend prefixed with 0x e.g. 0xf58e960ca unique

username A-Z a-z 0-9 . _ length>0 unique

password a-z 0-9 length>=10

profile_image_hash a-z 0-9 length==8 unique

joined_date Autogenerated from backend following ISO 8601 standard according to this https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/toISOString Immutable once created.

hard-coded on the backend

domain Sub-domain + Root Domain e.g. api.lorem.space

path url path separate by slash no leading / e.g. image/face

e.g.

mutation MyMutation {
  addUser(input: {username: "Adolph10", profile_image_hash: "3rmrd5e0", thirdParty: {domain: "api.lorem.space", path: "image/face"}, password: "x2v14outpr"}) {
    numUids
  }
}

List all users

https://spectaql.leiden.capital/#query-queryUser

Do not return password field

have pagination capability

Database setup instructions

docs

https://spectaql.leiden.capital

TODO

• add more type in TypeScript

Know Issue with Dgraph

Can't use @search directive with @lambda

resolving updateGQLSchema failed because input:5: While building @custom for @lambda: Type User; Field joined_date; custom directive not allowed along with @search directive.

Dgraph do not support ordered list