* 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

* Add timeout to close channel

* fixup! Add timeout to close channel

* Move close timeout into channel

* Fix timeout value

* Add first implementation of persistent sessions to channels

* remove session data on server

* Add functions to change a users role to admin

* Change api route to change user role based on the users current role

* fix change requests

* Add timeout to close channel

* fixup! Add timeout to close channel

* Move close timeout into channel

* Fix timeout value

* Fix preserve channel bug

* change code to be only 6 digit

* fixup! change code to be only 6 digit

* small fixes

* Add webcams

* Add ability to toggle video and audio stream

* Docker production ready

* Add port env var and enable cors only in development

* Add RolesGuard

* find all users api

* add user controller

* change rolesGuard to adminGuard

* revert changes in jwt strategy

---------

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

* Add room socket channels

* Change teacher data format

* Fix disconnect handling

* Store hashed password

* Move and rename constant

---------

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

* Add delete account functionality

* Add delete constraint to category

---------

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

* Add column role to user table, update migrations

* Add update migration

* fix property definition

* Format code

---------

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