WiP on permissions

Doesn't run. This commit is just to backup the changes.

lib/permissions.js

@@ -1,75 +1,38 @@
 'use strict';
 
-const config = require('config');
-
-
-// FIXME - redo or delete
-
-/*
- class ReportTemplatePermission {
- constructor(name) {
- this.name = name;
- this.entityType = 'report-template';
- }
- }
-
- const ReportTemplatePermissions = {
- View: new ReportTemplatePermission('view'),
- Edit: new ReportTemplatePermission('edit'),
- Delete: new ReportTemplatePermission('delete')
- };
-
-
- class ListPermission {
-    constructor(name) {
-        this.name = name;
-        this.entityType = 'list';
+const entityTypes = {
+    namespace: {
+        entitiesTable: 'namespaces',
+        sharesTable: 'shares_namespace',
+        permissionsTable: 'permissions_namespace'
+    },
+    report: {
+        entitiesTable: 'reports',
+        sharesTable: 'shares_report',
+        permissionsTable: 'permissions_report'
+    },
+    reportTemplate: {
+        entitiesTable: 'report_templates',
+        sharesTable: 'shares_report_template',
+        permissionsTable: 'permissions_report_template'
     }
-}
-
-const ListPermissions = {
-    View: new ListPermissions('view')
 };
 
-class NamespacePermission {
-    constructor(name) {
-        this.name = name;
-        this.entityType = 'namespace';
-    }
+function getEntityTypes() {
+    return entityTypes;
 }
 
-const NamespacePermissions = {
-    View: new NamespacePermission('view'),
-    Edit: new NamespacePermission('edit'),
-    Create: new NamespacePermission('create'),
-    Delete: new NamespacePermission('delete'),
-    CreateList: new NamespacePermission('create list')
-};
-*/
+function getEntityType(entityTypeId) {
+    const entityType = entityTypes[entityTypeId];
 
-/*
-async function can(context, operation, entityId) {
-    if (!context.user) {
-        return false;
+    if (!entityType) {
+        throw new Error(`Unknown entity type ${entityTypeId}`);
     }
 
-    const result = await knex('permissions_' + operation.entityType).select(['id']).where({
-        entity: entityId,
-        user: context.user.id,
-        operation: operation.name
-    }).first();
-
-    return !!result;
+    return entityType
 }
 
-async function buildPermissions() {
-
-}
-
-can(ctx, ListPermissions.View, 3)
-can(ctx, NamespacePermissions.CreateList, 2)
-can(ctx, ReportTemplatePermissions.ViewReport, 5)
-*/
-
 module.exports = {
+    getEntityTypes,
+    getEntityType
 }