62 lines
1.8 KiB
TypeScript
62 lines
1.8 KiB
TypeScript
import { UserRole } from "../types";
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interface User {
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role: UserRole;
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}
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export class UserRoleHelper {
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/**
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* Check if the first role is higher than the second role.
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*
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* @param role The role to check
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* @param otherRole The role to compare against
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* @returns `true` if the first role is higher than the second role, `false` otherwise
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*/
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static isRoleHigher(role: UserRole, otherRole: UserRole): boolean {
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return this.roles.indexOf(role) > this.roles.indexOf(otherRole);
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}
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/**
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* Check if the first role is lower than the second role.
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*
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* @param role The role to check
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* @param otherRole The role to compare against
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* @returns `true` if the first role is lower than the second role, `false` otherwise
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*/
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static isRoleLower(role: UserRole, otherRole: UserRole): boolean {
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return this.roles.indexOf(role) < this.roles.indexOf(otherRole);
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}
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/**
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* Check if the users role is lower than the given role. This does not authorize the operation.
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*
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* @param user The user to check
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* @param role The role to compare against
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* @returns `true` if the users role is lower than the given role, `false` otherwise
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*/
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static canPromote(user: User, role: UserRole): boolean {
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return this.isRoleHigher(role, user.role);
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}
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/**
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* Check if the users role is higher than the given role. This does not authorize the operation.
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*
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* @param user The user to check
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* @param role The role to compare against
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* @returns `true` if the users role is higher than the given role, `false` otherwise
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*/
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static canDemote(user: User, role: UserRole): boolean {
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return this.isRoleLower(role, user.role);
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}
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/**
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* List of all roles in order from lowest to highest.
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*/
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private static roles = [
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UserRole.Guest,
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UserRole.Viewer,
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UserRole.Member,
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UserRole.Admin,
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];
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}
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