Restrict restricted view and manage permission to MCP

apps/client/src/app/components/user-account-access/create-or-update-access-dialog/create-or-update-access-dialog.component.ts

@@ -6,6 +6,7 @@ import { Filter, PortfolioPosition } from '@ghostfolio/common/interfaces';
 import { hasPermission, permissions } from '@ghostfolio/common/permissions';
 import {
   Scope,
+  canGrantRestrictedWriteAccess,
   getAccessLevel,
   getScopesOfAccess,
   getScopesOfAccessLevel,
@@ -125,6 +126,10 @@ export class GfCreateOrUpdateAccessDialogComponent implements OnInit {
     return this.hasExperimentalFeatures && this.hasPermissionToEnableMcp;
   }
 
+  public get canGrantRestrictedWriteAccess() {
+    return canGrantRestrictedWriteAccess({ type: this.accessType });
+  }
+
   public get canGrantWriteAccess() {
     return this.hasExperimentalFeatures;
   }
@@ -195,23 +200,14 @@ export class GfCreateOrUpdateAccessDialogComponent implements OnInit {
 
         // Narrow the permission to the scopes which the type permits, because
         // an access which is not granted to a user never exposes the monetary
-        // values and a public access never changes data. The type PRIVATE has
-        // no restricted write level, hence the permission to change the data
-        // exposes the monetary values
-        const accessLevelOfType = getAccessLevel(
+        // values and a public access never changes data
+        this.accessForm.get('accessLevel')?.setValue(
+          getAccessLevel(
             getScopesOfAccess({
               scopes: getScopesOfAccessLevel(this.accessLevel),
               type: accessType
             })
-        );
-
-        this.accessForm
-          .get('accessLevel')
-          ?.setValue(
-            accessType === 'PRIVATE' &&
-              this.accessLevel === 'CREATE_READ_RESTRICTED_UPDATE_DELETE'
-              ? 'CREATE_READ_UPDATE_DELETE'
-              : accessLevelOfType
+          )
         );
 
         if (!canApplyFiltersToAccess({ type: accessType })) {

apps/client/src/app/components/user-account-access/create-or-update-access-dialog/create-or-update-access-dialog.html

@@ -82,7 +82,7 @@
           <mat-option value="READ_RESTRICTED">
             <gf-access-level-icon accessLevel="READ_RESTRICTED" />
           </mat-option>
-          @if (accessForm.get('type')?.value === 'MCP') {
+          @if (canGrantRestrictedWriteAccess) {
             <mat-option
               value="CREATE_READ_RESTRICTED_UPDATE_DELETE"
               [disabled]="!canGrantWriteAccess"

libs/common/src/lib/scopes.ts

@@ -64,7 +64,9 @@ export const SCOPES_OF_READ_RESTRICTED_ACCESS: readonly Scope[] =
 /**
  * Maximum scopes per access type. The scopes stored on an access are
  * intersected with it, hence a scope which the type does not permit stays
- * ineffective even if it is stored.
+ * ineffective even if it is stored. A type which cannot grant the restricted
+ * write access drops the write scopes in addition, unless the access reads the
+ * monetary values.
  */
 const SCOPES_OF_TYPE: Record<AccessType, readonly Scope[]> = {
   MCP: [...SCOPES_OF_READ_RESTRICTED_ACCESS, scopes.activityCreate],
@@ -72,6 +74,14 @@ const SCOPES_OF_TYPE: Record<AccessType, readonly Scope[]> = {
   PUBLIC: SCOPES_OF_PUBLIC_ACCESS
 };
 
+/**
+ * Access types which combine a write scope with the restricted read access,
+ * because their tools change data without exposing the monetary values
+ */
+export function canGrantRestrictedWriteAccess({ type }: { type: AccessType }) {
+  return type === 'MCP';
+}
+
 /**
  * Access level which the scopes of an access grant
  */
@@ -96,10 +106,8 @@ export function getScopesOfAccess({
 }): string[] {
   const scopesToEvaluate = scopesOfAccess ?? [];
 
-  // The type PRIVATE has no restricted write level, hence a write scope stays
-  // ineffective without the scope to read the monetary values
   const permitsWriteAccess =
-    type !== 'PRIVATE' ||
+    canGrantRestrictedWriteAccess({ type }) ||
     hasScope(scopesToEvaluate, scopes.portfolioReadValues);
 
   // An unknown scope is dropped