docs: add dev documentation for create methods

Signed-off-by: Philip Molares <philip.molares@udo.edu>
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Philip Molares 2021-11-11 22:07:00 +01:00 committed by David Mehren
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@ -28,3 +28,14 @@ The software provides two special groups which have no explicit users:
- Run `yarn install` in both projects - Run `yarn install` in both projects
- Start the backend server in watch mode using `yarn start:dev`. The backend is then accessible on port 3000. - Start the backend server in watch mode using `yarn start:dev`. The backend is then accessible on port 3000.
- Start the frontend dev server using `yarn start`. The frontend is now accessible on port 3001. - Start the frontend dev server using `yarn start`. The frontend is now accessible on port 3001.
## Entity `create` methods
Because we need to have empty constructors in our entity classes for TypeORM to work, the actual constructor is a separate `create` method. These methods should adhere to these guidelines:
- Only require the non-optional properties of the corresponding entity
- Have no optional parameters
- Have no lists which can be empty (so probably most of them)
- Should either return a complete and fully useable instance or return a Pick/Omit type.
- Exceptions to these rules are allowed, if they are mentioned in the method documentation