first commit

calcom/packages/platform/utils/permissions.ts

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+import {
+  BOOKING_READ,
+  BOOKING_WRITE,
+  EVENT_TYPE_READ,
+  EVENT_TYPE_WRITE,
+  PERMISSIONS,
+  SCHEDULE_READ,
+  SCHEDULE_WRITE,
+  APPS_READ,
+  APPS_WRITE,
+  PROFILE_READ,
+  PROFILE_WRITE,
+} from "@calcom/platform-constants";
+import type { PLATFORM_PERMISSION } from "@calcom/platform-types";
+
+export const hasPermission = (userPermissions: number, permission: PLATFORM_PERMISSION): boolean => {
+  // use bitwise AND to check if user has the permission
+  return (userPermissions & permission) === permission;
+};
+
+export const hasPermissions = (userPermissions: number, permissions: PLATFORM_PERMISSION[]): boolean => {
+  // use bitwise AND to check if each required permission is present
+  return permissions.every((permission) => hasPermission(userPermissions, permission));
+};
+
+export const hasEventTypeReadPermission = (userPermissions: number): boolean => {
+  return hasPermission(userPermissions, EVENT_TYPE_READ);
+};
+
+export const hasEventTypeWritePermission = (userPermissions: number): boolean => {
+  return hasPermission(userPermissions, EVENT_TYPE_WRITE);
+};
+
+export const hasBookingReadPermission = (userPermissions: number): boolean => {
+  return hasPermission(userPermissions, BOOKING_READ);
+};
+
+export const hasBookingWritePermission = (userPermissions: number): boolean => {
+  return hasPermission(userPermissions, BOOKING_WRITE);
+};
+
+export const hasScheduleReadPermission = (userPermissions: number): boolean => {
+  return hasPermission(userPermissions, SCHEDULE_READ);
+};
+
+export const hasScheduleWritePermission = (userPermissions: number): boolean => {
+  return hasPermission(userPermissions, SCHEDULE_WRITE);
+};
+
+export const hasAppsReadPermission = (userPermissions: number): boolean => {
+  return hasPermission(userPermissions, APPS_READ);
+};
+
+export const hasAppsWritePermission = (userPermissions: number): boolean => {
+  return hasPermission(userPermissions, APPS_WRITE);
+};
+
+export const hasProfileReadPermission = (userPermissions: number): boolean => {
+  return hasPermission(userPermissions, PROFILE_READ);
+};
+
+export const hasProfileWritePermission = (userPermissions: number): boolean => {
+  return hasPermission(userPermissions, PROFILE_WRITE);
+};
+
+export const listPermissions = (userPermissions: number): PLATFORM_PERMISSION[] => {
+  return PERMISSIONS.reduce((acc, permission) => {
+    if (hasPermission(userPermissions, permission)) {
+      return [...acc, permission];
+    }
+    return acc;
+  }, [] as PLATFORM_PERMISSION[]);
+};