Regression from #70

[minhducsun2002]

(node:4597) UnhandledPromiseRejectionWarning: TypeError: Cannot read property 'username' of null
    at docs.map (/home/cipher/Projects/wafter/src/data/database.js:319:62)
    at Array.map (<anonymous>)
    at Promise.all.then (/home/cipher/Projects/wafter/src/data/database.js:318:47)
(node:4597) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 1)
(node:4597) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

[dungwinux]

Can you specify use case ?

[minhducsun2002]

Normal usage. This can be reproduced with the bundled Hestia revision in 1.7.

[dungwinux]

See #73

[minhducsun2002]

I suggest this to be re-opened.

::ffff:127.0.0.1 - GET /api/users HTTP/1.1 401 12 - 12.258 ms
::ffff:127.0.0.1 - GET /api/subs?count=0&page=0&size=10 HTTP/1.1 401 12 - 1.229 ms
(node:27003) UnhandledPromiseRejectionWarning: TypeError: Cannot read property 'username' of null
    at docs.map (/home/cipher/Projects/wafter/src/data/database.js:319:62)
    at Array.map (<anonymous>)
    at Promise.all.then (/home/cipher/Projects/wafter/src/data/database.js:318:47)
(node:27003) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 1)
(node:27003) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

$ sh -c 'git show HEAD'
commit 0ddd5bcb6fd07d14db1b1c62251bfe2c9817c1d0 (HEAD -> master, origin/master, origin/HEAD)
Merge: 68aabe8 c80c42b
Author: Nguyễn Tuấn Dũng <ntddebugger@gmail.com>
Date:   Mon Apr 1 21:41:05 2019 +0700

    Merge pull request #73 from vnma0/72-fix
    
    Completely handle all unhandled promise in db

[minhducsun2002]

Note that this prevents the functionality of providing submissions data - nothing could be fetched from the server.