update

src/app/ui/permissions/permissions.component.ts

@@ -1,4 +1,6 @@
 import { Component, OnInit, Input } from '@angular/core';
+import { Sort } from '@angular/material/sort';
+import { I18nService } from './../../services/i18n.service';
 
 @Component({
   selector: 'app-permissions',
@@ -7,12 +9,33 @@ import { Component, OnInit, Input } from '@angular/core';
 })
 export class PermissionsComponent implements OnInit {
 
+
   @Input() permissions;
   permissionColumns = ["name", "expires"];
 
-  constructor() { }
+  constructor(private i18n: I18nService) { }
 
   ngOnInit(): void {
   }
 
+  sortData(sort: Sort) {
+    const data = this.permissions.slice();
+    if (!sort.active || sort.direction === '') {
+      this.permissions = data;
+      return;
+    }
+
+    this.permissions = data.sort((a, b) => {
+      const isAsc = sort.direction === 'asc';
+      switch (sort.active) {
+        case 'name': return this.compare(this.i18n.get('permissions.' + a.name,[]), this.i18n.get('permissions.' + b.name,[]), isAsc);
+        case 'expires': return this.compare(a.expires, b.expires, isAsc);
+        default: return 0;
+      }
+    });
+  }
+
+  compare(a: number | string | String, b: number | string | String, isAsc: boolean) {
+    return (a < b ? -1 : 1) * (isAsc ? 1 : -1);
+  }
 }