angular-fullstack/generator-angular-fullstack

Duplicate username does not consider title case

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#875 opened on Mar 6, 2015

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 (3 comments) (0 reactions) (0 assignees)JavaScript (6,134 stars) (1,268 forks)batch import
Help Wantedminor

Description

I was able to register two accounts with usernames sabachanna and Sabachanna. It did not give duplicate username error. It is not able to capture lower case or title case differences. I tried to look into it but mongodb does not support case-insensitive queries.

Should we store the username as all capital or all lower in mongodb and then, on registration, convert the given username to upper case to see if duplicate is already available or not. Should we consider this on presentation layer?

Contributor guide

Tech stack
javascriptangularexpressnodejsmongodb
Domain
backenddatabase
Issue type
bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
JavaScriptMongoDBUser registration flow
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
75
Research direction
Look at the user model (likely a Mongoose schema) and the registration controller (e.g., server/api/user/user.controller.js). Change the username field to store lowercase version and modify the validation to compare case insensitively, either by using a case insensitive MongoDB index or by converting the input to lowercase before querying. Consider migrating existing duplicate usernames if needed, and ensure the presentation layer displays the original case.