kandi X-RAY | nroles Summary
kandi X-RAY | nroles Summary
NRoles is an experiment with roles in C#. Roles, very similar to traits, are high level constructs that promote better code reuse through easier composition. NRoles is a post-compiler created with Mono.Cecil that transforms an assembly to enable roles and compositions.
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QUESTION
I have a table of permissions, a table of roles, and a mapping table. I'd like to create a GUI for a website admin to be able to add new roles and assign permissions to that role. Currently it's done at the database as such subject to user error.
For sake of simplicity, let's say we have four roles, SuperAdmin, Admin, Manager, and User. Permissions are Create, Read, Update, Delete. In the diagram below SuperAdmin and Admin match as do Manager and User (product of a user error and further why I'm wanting to create the GUI but I digress).
Currently my output displays a row for each Role whereas ideally the Role would be only displayed once and the appropriate checkbox would be ticked for the corresponding Permission similar to the following:
Here is the CF code I have and I don't know how to approach this to do what I want.
...ANSWER
Answered 2021-May-15 at 13:49If the source tables are small, a simple approach is combining a cross + outer join to return all possible values. Then "group" the query output into rows. Cross joins are good for producing "all combinations", but table size matters. Joining 2 tables of 1000 rows each produces 1 million rows! So size is an important consideration.
QUESTION
So I've been working on a Discord bot and am trying to print every role the user has. I keep getting the "Discord.CollectionWrapper`1[Discord.WebSocket.SocketRole]" error and can't seem to fix it. Is there a way I can get it to show all the users role?
...ANSWER
Answered 2020-Jun-08 at 11:05"Discord.CollectionWrapper`1[Discord.WebSocket.SocketRole]"
That's not an error - that's the output of the default ToString()
implementation. Very few classes actually override Object.ToString()
.
Use Linq's .Select
and String.Join
to get each value instead:
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