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const Constants = require('../util/Constants');
/**
* The final evaluated permissions for a member in a channel
*/
class EvaluatedPermissions {
constructor(member, raw) {
/**
* The member this permissions refer to
* @type {GuildMember}
*/
this.member = member;
/**
* A number representing the packed permissions
* @type {number}
*/
this.raw = raw;
}
/**
* Get an object mapping permission name, e.g. `READ_MESSAGES` to a boolean - whether the user
* can perform this or not.
* @returns {Object<string, boolean>}
*/
serialize() {
const serializedPermissions = {};
for (const permissionName in Constants.PermissionFlags) {
serializedPermissions[permissionName] = this.hasPermission(permissionName);
}
return serializedPermissions;
}
/**
* Checks whether the user has a certain permission, e.g. `READ_MESSAGES`.
* @param {PermissionResolvable} permission The permission to check for
* @param {boolean} [explicit=false] Whether to require the user to explicitly have the exact permission
* @returns {boolean}
*/
hasPermission(permission, explicit = false) {
permission = this.member.client.resolver.resolvePermission(permission);
if (!explicit && (this.raw & Constants.PermissionFlags.ADMINISTRATOR) > 0) return true;
return (this.raw & permission) > 0;
}
/**
* Checks whether the user has all specified permissions.
* @param {PermissionResolvable[]} permissions The permissions to check for
* @param {boolean} [explicit=false] Whether to require the user to explicitly have the exact permissions
* @returns {boolean}
*/
hasPermissions(permissions, explicit = false) {
return permissions.every(p => this.hasPermission(p, explicit));
}
/**
* Checks whether the user has all specified permissions, and lists any missing permissions.
* @param {PermissionResolvable[]} permissions The permissions to check for
* @param {boolean} [explicit=false] Whether to require the user to explicitly have the exact permissions
* @returns {PermissionResolvable[]}
*/
missingPermissions(permissions, explicit = false) {
return permissions.filter(p => !this.hasPermission(p, explicit));
}
}
module.exports = EvaluatedPermissions;
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