* Implement channel module tests

* add test case

* Add unit tests for ChannelModule

* fix

* fix

* Refactor account updating

* Update tests

---------

Co-authored-by: Marius Friess <friess.marius@gmail.com>

* Add Browser tests

* fix lint error

* Listen for close browser websocket event

* Add doc

* implement tests

* update test for dates

* add test to category controller

* refactor category module mocks

* implement entity tests

* implement room controller & room service tests

* add auth guard checks

* update test for dates

* refactor room module mocks

* remove obsolete import

* refactor

* fix types

* add note entity test

* add tests for note service

* remove unused imports

* refactor mock note repository

* fix

* add first test implementation

* refactor config and add tests

* remove unused input

* add tests for auth controller

* add check for auth-guard

* add tests for auth.dto.ts

* refactor auth service mocks

* remove console log and test fix

* remove obsolete imports

* add user entity tests

* add boilerplate for controller and service tests

* add tests for user controller

* add tests for user service

* Fix tests

* Refactor mocks

---------

Co-authored-by: Florian Raith <florianraith00@gmail.com>

* Add e2e auth tests

* Add category crud tests

* Disable migration logs

* Add e2e tests to ci

* Add timeouts

* Does it also work?

* Include test ci.yml

* Remove auto generated test files

* temporarily add passWithNoTests flag

---------

Co-authored-by: Marius Friess <friess.marius@gmail.com>

* close open channel if room is deleted

* use events

* format code

* fix

* fix delete & add option to close channel

* remove obsolete code

* Refactor code

---------

Co-authored-by: Florian Raith <florianraith00@gmail.com>

* Add comments for auth and browser package

* DocUpdate user.controller.spec.ts

* DocUpdate user.controller.ts

* DocUpdate user.entity.ts

* DocUpdate user.controller.spec.ts

* DocUpdate user.controller.spec.ts

* DocUpdate user.controller.ts

* DocUpdate user.entity.ts

* DocUpdate user.module.ts

* DocUpdate user.service.spec.ts

* DocUpdate user.service.ts

* DocUpdate mikro-orm.config.ts

* Add comments for the backend classes

* Format code

* Remove @fileoverview comments

---------

Co-authored-by: neda_moshki <uzijb@student.kit.edu>
Co-authored-by: Neda Moshki <133236496+NedaMoshki@users.noreply.github.com>
Co-authored-by: Florian Raith <florianraith00@gmail.com>

* Sync browser url

* Format code

* Add puppetter support

* Fix browser

* implement interaction with browser

* remove imports

* Enable no sandbox mode

---------

Co-authored-by: Marius Friess <34072851+mariusfriess@users.noreply.github.com>

* Add permission function

* Update permission function

* format with prettier

* Add deleteAccount function

* move userId from body into api param

* change api path

* Generate more users in db seeder

---------

Co-authored-by: neda_moshki <uzijb@student.kit.edu>
Co-authored-by: Florian Raith <florianraith00@gmail.com>

* implement change password functionality

* format with prettier

* remove comments

* get user from request

* add exceptions

* remove test code

* Refactor code

---------

Co-authored-by: Negin Moshki <neginmoshki@gmail.com>
Co-authored-by: Florian Raith <florianraith00@gmail.com>
Co-authored-by: Marius Friess <34072851+mariusfriess@users.noreply.github.com>

* canvas buffer to string

* fix

* add note module

* add migration

* sync notes to clients and save notes to database

* fix websocket event

* add delete note function

* fix

* remove imports

* update migrations

Bumps [word-wrap](https://github.com/jonschlinkert/word-wrap) from 1.2.3 to 1.2.5.
- [Release notes](https://github.com/jonschlinkert/word-wrap/releases)
- [Commits](https://github.com/jonschlinkert/word-wrap/compare/1.2.3...1.2.5

)

---
updated-dependencies:
- dependency-name: word-wrap
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Bumps [semver](https://github.com/npm/node-semver) from 6.3.0 to 6.3.1.
- [Release notes](https://github.com/npm/node-semver/releases)
- [Changelog](https://github.com/npm/node-semver/blob/v6.3.1/CHANGELOG.md)
- [Commits](https://github.com/npm/node-semver/compare/v6.3.0...v6.3.1

)

---
updated-dependencies:
- dependency-name: semver
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* add whiteboard sync and add fabric.js for saving whiteboard

* save canvas to database

* fix code

* fix code

* compress canvas json data

* fix import

* update whiteboard gateway

* change whiteboard sync implementation

* remove obsolete imports

* small fixes

* Change blob to longblob

---------

Co-authored-by: Florian Raith <florianraith00@gmail.com>
Co-authored-by: Florian Raith <37345813+FlorianRaith@users.noreply.github.com>

* Add permission function

* Update permission function

* format with prettier

---------

Co-authored-by: neda_moshki <uzijb@student.kit.edu>
Co-authored-by: Florian Raith <florianraith00@gmail.com>
Co-authored-by: Marius Friess <34072851+mariusfriess@users.noreply.github.com>

* Change data saved in backend

* Change return values

* Change path name

---------

Co-authored-by: David Phan <phan.david@gmx.de>
Co-authored-by: Florian Raith <florianraith00@gmail.com>

* Add github action ci

* Add curly error rule

* Format code

* refresh jwt inside of AuthGuard requests

* remove obsolete variable

* change var name

* Implement hand signal

* Remove hand signal from the teacher's room view

* Fix getting student

---------

Co-authored-by: neda_moshki <uzijb@student.kit.edu>

* Revert "Fix errors in channel module (#21)"

This reverts commit 7b7bc956.

* Revert "Merge pull request #18 from KIT-PSE/feat/hand-signal"

This reverts commit 5267b61b, reversing
changes made to bdbb1aac.

* fix error in channel gateway

* fix error in channel service

* fix again

Implement hand signal