diff --git a/src-ui/src/app/components/app-frame/global-search/global-search.component.html b/src-ui/src/app/components/app-frame/global-search/global-search.component.html
index a434eaf23..5c71dd8c5 100644
--- a/src-ui/src/app/components/app-frame/global-search/global-search.component.html
+++ b/src-ui/src/app/components/app-frame/global-search/global-search.component.html
@@ -30,10 +30,10 @@
             (click)="primaryAction(type, item); $event.stopPropagation()"
             [disabled]="disablePrimaryButton(type, item)"
             (mouseenter)="onButtonHover($event)">
-                @if (type === 'document') {
+                @if (type === DataType.Document) {
                     <i-bs width="1em" height="1em" name="pencil"></i-bs>
                     <span>&nbsp;<ng-container i18n>Open</ng-container></span>
-                } @else if (type === 'workflow' || type === 'customField' || type === 'group' || type === 'user') {
+                } @else if (type === DataType.Workflow || type === DataType.CustomField || type === DataType.Group || type === DataType.User) {
                     <i-bs width="1em" height="1em" name="pencil"></i-bs>
                     <span>&nbsp;<ng-container i18n>Edit</ng-container></span>
                 } @else {
@@ -41,12 +41,12 @@
                     <span>&nbsp;<ng-container i18n>Filter documents</ng-container></span>
                 }
             </button>
-            @if (type !== 'workflow' && type !== 'customField' && type !== 'group' && type !== 'user') {
+            @if (type !== DataType.Workflow && type !== DataType.CustomField && type !== DataType.Group && type !== DataType.User) {
                 <button #secondaryButton type="button" class="btn btn-sm btn-outline-primary d-flex"
                 (click)="secondaryAction(type, item); $event.stopPropagation()"
                 [disabled]="disableSecondaryButton(type, item)"
                 (mouseenter)="onButtonHover($event)">
-                    @if (type === 'document') {
+                    @if (type === DataType.Document) {
                         <i-bs width="1em" height="1em" name="download"></i-bs>
                         <span>&nbsp;<ng-container i18n>Download</ng-container></span>
                     } @else {
@@ -66,63 +66,63 @@
             @if (searchResults?.documents.length) {
                 <h6 class="dropdown-header" i18n="@@searchResults.documents">Documents</h6>
                 @for (document of searchResults.documents; track document.id) {
-                    <ng-container *ngTemplateOutlet="resultItemTemplate; context: {item: document, nameProp: 'title', type: 'document', icon: 'file-text', date: document.added}"></ng-container>
+                    <ng-container *ngTemplateOutlet="resultItemTemplate; context: {item: document, nameProp: 'title', type: DataType.Document, icon: 'file-text', date: document.added}"></ng-container>
                 }
             }
 
             @if (searchResults?.tags.length) {
                 <h6 class="dropdown-header" i18n="@@searchResults.tags">Tags</h6>
                 @for (tag of searchResults.tags; track tag.id) {
-                    <ng-container *ngTemplateOutlet="resultItemTemplate; context: {item: tag, nameProp: 'name', type: 'tag', icon: 'tag'}"></ng-container>
+                    <ng-container *ngTemplateOutlet="resultItemTemplate; context: {item: tag, nameProp: 'name', type: DataType.Tag, icon: 'tag'}"></ng-container>
                 }
             }
 
             @if (searchResults?.correspondents.length) {
                 <h6 class="dropdown-header" i18n="@@searchResults.correspondents">Correspondents</h6>
                 @for (correspondent of searchResults.correspondents; track correspondent.id) {
-                    <ng-container *ngTemplateOutlet="resultItemTemplate; context: {item: correspondent, nameProp: 'name', type: 'correspondent', icon: 'person'}"></ng-container>
+                    <ng-container *ngTemplateOutlet="resultItemTemplate; context: {item: correspondent, nameProp: 'name', type: DataType.Correspondent, icon: 'person'}"></ng-container>
                 }
             }
 
             @if (searchResults?.document_types.length) {
                 <h6 class="dropdown-header" i18n="@@searchResults.documentTypes">Document types</h6>
                 @for (documentType of searchResults.document_types; track documentType.id) {
-                    <ng-container *ngTemplateOutlet="resultItemTemplate; context: {item: documentType, nameProp: 'name', type: 'documentType', icon: 'file-earmark'}"></ng-container>
+                    <ng-container *ngTemplateOutlet="resultItemTemplate; context: {item: documentType, nameProp: 'name', type: DataType.DocumentType, icon: 'file-earmark'}"></ng-container>
                 }
             }
 
             @if (searchResults?.storage_paths.length) {
                 <h6 class="dropdown-header" i18n="@@searchResults.storagePaths">Storage paths</h6>
                 @for (storagePath of searchResults.storage_paths; track storagePath.id) {
-                    <ng-container *ngTemplateOutlet="resultItemTemplate; context: {item: storagePath, nameProp: 'name', type: 'storagePath', icon: 'folder'}"></ng-container>
+                    <ng-container *ngTemplateOutlet="resultItemTemplate; context: {item: storagePath, nameProp: 'name', type: DataType.StoragePath, icon: 'folder'}"></ng-container>
                 }
             }
 
             @if (searchResults?.users.length) {
                 <h6 class="dropdown-header" i18n="@@searchResults.users">Users</h6>
                 @for (user of searchResults.users; track user.id) {
-                    <ng-container *ngTemplateOutlet="resultItemTemplate; context: {item: user, nameProp: 'username', type: 'user', icon: 'person-square'}"></ng-container>
+                    <ng-container *ngTemplateOutlet="resultItemTemplate; context: {item: user, nameProp: 'username', type: DataType.User, icon: 'person-square'}"></ng-container>
                 }
             }
 
             @if (searchResults?.groups.length) {
                 <h6 class="dropdown-header" i18n="@@searchResults.groups">Groups</h6>
                 @for (group of searchResults.groups; track group.id) {
-                    <ng-container *ngTemplateOutlet="resultItemTemplate; context: {item: group, nameProp: 'name', type: 'group', icon: 'people'}"></ng-container>
+                    <ng-container *ngTemplateOutlet="resultItemTemplate; context: {item: group, nameProp: 'name', type: DataType.Group, icon: 'people'}"></ng-container>
                 }
             }
 
             @if (searchResults?.custom_fields.length) {
                 <h6 class="dropdown-header" i18n="@@searchResults.customFields">Custom fields</h6>
                 @for (customField of searchResults.custom_fields; track customField.id) {
-                    <ng-container *ngTemplateOutlet="resultItemTemplate; context: {item: customField, nameProp: 'name', type: 'customField', icon: 'ui-radios'}"></ng-container>
+                    <ng-container *ngTemplateOutlet="resultItemTemplate; context: {item: customField, nameProp: 'name', type: DataType.CustomField, icon: 'ui-radios'}"></ng-container>
                 }
             }
 
             @if (searchResults?.workflows.length) {
                 <h6 class="dropdown-header" i18n="@@searchResults.workflows">Workflows</h6>
                 @for (workflow of searchResults.workflows; track workflow.id) {
-                    <ng-container *ngTemplateOutlet="resultItemTemplate; context: {item: workflow, nameProp: 'name', type: 'workflow', icon: 'boxes'}"></ng-container>
+                    <ng-container *ngTemplateOutlet="resultItemTemplate; context: {item: workflow, nameProp: 'name', type: DataType.Workflow, icon: 'boxes'}"></ng-container>
                 }
             }
         }
diff --git a/src-ui/src/app/components/app-frame/global-search/global-search.component.spec.ts b/src-ui/src/app/components/app-frame/global-search/global-search.component.spec.ts
index 7fc6c2932..f126907d9 100644
--- a/src-ui/src/app/components/app-frame/global-search/global-search.component.spec.ts
+++ b/src-ui/src/app/components/app-frame/global-search/global-search.component.spec.ts
@@ -34,6 +34,7 @@ import { CustomFieldEditDialogComponent } from '../../common/edit-dialog/custom-
 import { WorkflowEditDialogComponent } from '../../common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component'
 import { ElementRef } from '@angular/core'
 import { ToastService } from 'src/app/services/toast.service'
+import { DataType } from 'src/app/data/datatype'
 
 const searchResults = {
   total: 11,
@@ -229,55 +230,55 @@ describe('GlobalSearchComponent', () => {
     let modal: NgbModalRef
     modalService.activeInstances.subscribe((m) => (modal = m[m.length - 1]))
 
-    component.primaryAction('document', object)
+    component.primaryAction(DataType.Document, object)
     expect(routerSpy).toHaveBeenCalledWith(['/documents', object.id])
 
-    component.primaryAction('correspondent', object)
+    component.primaryAction(DataType.Correspondent, object)
     expect(qfSpy).toHaveBeenCalledWith([
       { rule_type: FILTER_HAS_CORRESPONDENT_ANY, value: object.id.toString() },
     ])
 
-    component.primaryAction('documentType', object)
+    component.primaryAction(DataType.DocumentType, object)
     expect(qfSpy).toHaveBeenCalledWith([
       { rule_type: FILTER_HAS_DOCUMENT_TYPE_ANY, value: object.id.toString() },
     ])
 
-    component.primaryAction('storagePath', object)
+    component.primaryAction(DataType.StoragePath, object)
     expect(qfSpy).toHaveBeenCalledWith([
       { rule_type: FILTER_HAS_STORAGE_PATH_ANY, value: object.id.toString() },
     ])
 
-    component.primaryAction('tag', object)
+    component.primaryAction(DataType.Tag, object)
     expect(qfSpy).toHaveBeenCalledWith([
       { rule_type: FILTER_HAS_ANY_TAG, value: object.id.toString() },
     ])
 
-    component.primaryAction('user', object)
+    component.primaryAction(DataType.User, object)
     expect(modalSpy).toHaveBeenCalledWith(UserEditDialogComponent, {
       size: 'lg',
     })
 
-    component.primaryAction('group', object)
+    component.primaryAction(DataType.Group, object)
     expect(modalSpy).toHaveBeenCalledWith(GroupEditDialogComponent, {
       size: 'lg',
     })
 
-    component.primaryAction('mailAccount', object)
+    component.primaryAction(DataType.MailAccount, object)
     expect(modalSpy).toHaveBeenCalledWith(MailAccountEditDialogComponent, {
       size: 'xl',
     })
 
-    component.primaryAction('mailRule', object)
+    component.primaryAction(DataType.MailRule, object)
     expect(modalSpy).toHaveBeenCalledWith(MailRuleEditDialogComponent, {
       size: 'xl',
     })
 
-    component.primaryAction('customField', object)
+    component.primaryAction(DataType.CustomField, object)
     expect(modalSpy).toHaveBeenCalledWith(CustomFieldEditDialogComponent, {
       size: 'md',
     })
 
-    component.primaryAction('workflow', object)
+    component.primaryAction(DataType.Workflow, object)
     expect(modalSpy).toHaveBeenCalledWith(WorkflowEditDialogComponent, {
       size: 'xl',
     })
@@ -307,22 +308,28 @@ describe('GlobalSearchComponent', () => {
     let modal: NgbModalRef
     modalService.activeInstances.subscribe((m) => (modal = m[m.length - 1]))
 
-    component.secondaryAction('correspondent', correspondent)
+    component.secondaryAction(DataType.Correspondent, correspondent)
     expect(modalSpy).toHaveBeenCalledWith(CorrespondentEditDialogComponent, {
       size: 'md',
     })
 
-    component.secondaryAction('documentType', searchResults.document_types[0])
+    component.secondaryAction(
+      DataType.DocumentType,
+      searchResults.document_types[0]
+    )
     expect(modalSpy).toHaveBeenCalledWith(CorrespondentEditDialogComponent, {
       size: 'md',
     })
 
-    component.secondaryAction('storagePath', searchResults.storage_paths[0])
+    component.secondaryAction(
+      DataType.StoragePath,
+      searchResults.storage_paths[0]
+    )
     expect(modalSpy).toHaveBeenCalledWith(CorrespondentEditDialogComponent, {
       size: 'md',
     })
 
-    component.secondaryAction('tag', searchResults.tags[0])
+    component.secondaryAction(DataType.Tag, searchResults.tags[0])
     expect(modalSpy).toHaveBeenCalledWith(CorrespondentEditDialogComponent, {
       size: 'md',
     })
diff --git a/src-ui/src/app/components/app-frame/global-search/global-search.component.ts b/src-ui/src/app/components/app-frame/global-search/global-search.component.ts
index b45906549..60d72eb97 100644
--- a/src-ui/src/app/components/app-frame/global-search/global-search.component.ts
+++ b/src-ui/src/app/components/app-frame/global-search/global-search.component.ts
@@ -15,6 +15,7 @@ import {
   FILTER_HAS_STORAGE_PATH_ANY,
   FILTER_HAS_ANY_TAG,
 } from 'src/app/data/filter-rule-type'
+import { DataType } from 'src/app/data/datatype'
 import { ObjectWithId } from 'src/app/data/object-with-id'
 import { DocumentListViewService } from 'src/app/services/document-list-view.service'
 import {
@@ -45,6 +46,7 @@ import { WorkflowEditDialogComponent } from '../../common/edit-dialog/workflow-e
   styleUrl: './global-search.component.scss',
 })
 export class GlobalSearchComponent {
+  public DataType = DataType
   public query: string
   public queryDebounce: Subject<string>
   public searchResults: GlobalSearchResult
@@ -130,41 +132,41 @@ export class GlobalSearchComponent {
     let editDialogComponent: any
     let size: string = 'md'
     switch (type) {
-      case 'document':
+      case DataType.Document:
         this.router.navigate(['/documents', object.id])
         return
-      case 'correspondent':
+      case DataType.Correspondent:
         filterRuleType = FILTER_HAS_CORRESPONDENT_ANY
         break
-      case 'documentType':
+      case DataType.DocumentType:
         filterRuleType = FILTER_HAS_DOCUMENT_TYPE_ANY
         break
-      case 'storagePath':
+      case DataType.StoragePath:
         filterRuleType = FILTER_HAS_STORAGE_PATH_ANY
         break
-      case 'tag':
+      case DataType.Tag:
         filterRuleType = FILTER_HAS_ANY_TAG
         break
-      case 'user':
+      case DataType.User:
         editDialogComponent = UserEditDialogComponent
         size = 'lg'
         break
-      case 'group':
+      case DataType.Group:
         editDialogComponent = GroupEditDialogComponent
         size = 'lg'
         break
-      case 'mailAccount':
+      case DataType.MailAccount:
         editDialogComponent = MailAccountEditDialogComponent
         size = 'xl'
         break
-      case 'mailRule':
+      case DataType.MailRule:
         editDialogComponent = MailRuleEditDialogComponent
         size = 'xl'
         break
-      case 'customField':
+      case DataType.CustomField:
         editDialogComponent = CustomFieldEditDialogComponent
         break
-      case 'workflow':
+      case DataType.Workflow:
         editDialogComponent = WorkflowEditDialogComponent
         size = 'xl'
         break
@@ -195,19 +197,19 @@ export class GlobalSearchComponent {
     let editDialogComponent: any
     let size: string = 'md'
     switch (type) {
-      case 'document':
+      case DataType.Document:
         window.open(this.documentService.getDownloadUrl(object.id))
         break
-      case 'correspondent':
+      case DataType.Correspondent:
         editDialogComponent = CorrespondentEditDialogComponent
         break
-      case 'documentType':
+      case DataType.DocumentType:
         editDialogComponent = DocumentTypeEditDialogComponent
         break
-      case 'storagePath':
+      case DataType.StoragePath:
         editDialogComponent = StoragePathEditDialogComponent
         break
-      case 'tag':
+      case DataType.Tag:
         editDialogComponent = TagEditDialogComponent
         break
     }
@@ -287,8 +289,15 @@ export class GlobalSearchComponent {
     }
   }
 
-  public disablePrimaryButton(type: string, object: ObjectWithId): boolean {
-    if (['workflow', 'customField', 'group', 'user'].includes(type)) {
+  public disablePrimaryButton(type: DataType, object: ObjectWithId): boolean {
+    if (
+      [
+        DataType.Workflow,
+        DataType.CustomField,
+        DataType.Group,
+        DataType.User,
+      ].includes(type)
+    ) {
       return !this.permissionsService.currentUserHasObjectPermissions(
         PermissionAction.Change,
         object
@@ -298,8 +307,8 @@ export class GlobalSearchComponent {
     return false
   }
 
-  public disableSecondaryButton(type: string, object: ObjectWithId): boolean {
-    if ('document' === type) {
+  public disableSecondaryButton(type: DataType, object: ObjectWithId): boolean {
+    if (DataType.Document === type) {
       return false
     }
 
diff --git a/src-ui/src/app/data/datatype.ts b/src-ui/src/app/data/datatype.ts
new file mode 100644
index 000000000..041c2f876
--- /dev/null
+++ b/src-ui/src/app/data/datatype.ts
@@ -0,0 +1,13 @@
+export enum DataType {
+  Document = 'document',
+  Correspondent = 'correspondent',
+  DocumentType = 'document_type',
+  StoragePath = 'storage_path',
+  Tag = 'tag',
+  User = 'user',
+  Group = 'group',
+  MailAccount = 'mail_account',
+  MailRule = 'mail_rule',
+  CustomField = 'custom_field',
+  Workflow = 'workflow',
+}
diff --git a/src-ui/src/app/data/filter-rule-type.ts b/src-ui/src/app/data/filter-rule-type.ts
index ee09f165d..d88c1cbb5 100644
--- a/src-ui/src/app/data/filter-rule-type.ts
+++ b/src-ui/src/app/data/filter-rule-type.ts
@@ -1,3 +1,5 @@
+import { DataType } from './datatype'
+
 // These correspond to src/documents/models.py and changes here require a DB migration (and vice versa)
 export const FILTER_TITLE = 0
 export const FILTER_CONTENT = 1
@@ -74,57 +76,57 @@ export const FILTER_RULE_TYPES: FilterRuleType[] = [
     id: FILTER_CORRESPONDENT,
     filtervar: 'correspondent__id',
     isnull_filtervar: 'correspondent__isnull',
-    datatype: 'correspondent',
+    datatype: DataType.Correspondent,
     multi: false,
   },
   {
     id: FILTER_HAS_CORRESPONDENT_ANY,
     filtervar: 'correspondent__id__in',
-    datatype: 'correspondent',
+    datatype: DataType.Correspondent,
     multi: true,
   },
   {
     id: FILTER_DOES_NOT_HAVE_CORRESPONDENT,
     filtervar: 'correspondent__id__none',
-    datatype: 'correspondent',
+    datatype: DataType.Correspondent,
     multi: true,
   },
   {
     id: FILTER_STORAGE_PATH,
     filtervar: 'storage_path__id',
     isnull_filtervar: 'storage_path__isnull',
-    datatype: 'storage_path',
+    datatype: DataType.StoragePath,
     multi: false,
   },
   {
     id: FILTER_HAS_STORAGE_PATH_ANY,
     filtervar: 'storage_path__id__in',
-    datatype: 'storage_path',
+    datatype: DataType.StoragePath,
     multi: true,
   },
   {
     id: FILTER_DOES_NOT_HAVE_STORAGE_PATH,
     filtervar: 'storage_path__id__none',
-    datatype: 'storage_path',
+    datatype: DataType.StoragePath,
     multi: true,
   },
   {
     id: FILTER_DOCUMENT_TYPE,
     filtervar: 'document_type__id',
     isnull_filtervar: 'document_type__isnull',
-    datatype: 'document_type',
+    datatype: DataType.DocumentType,
     multi: false,
   },
   {
     id: FILTER_HAS_DOCUMENT_TYPE_ANY,
     filtervar: 'document_type__id__in',
-    datatype: 'document_type',
+    datatype: DataType.DocumentType,
     multi: true,
   },
   {
     id: FILTER_DOES_NOT_HAVE_DOCUMENT_TYPE,
     filtervar: 'document_type__id__none',
-    datatype: 'document_type',
+    datatype: DataType.DocumentType,
     multi: true,
   },
   {
@@ -137,19 +139,19 @@ export const FILTER_RULE_TYPES: FilterRuleType[] = [
   {
     id: FILTER_HAS_TAGS_ALL,
     filtervar: 'tags__id__all',
-    datatype: 'tag',
+    datatype: DataType.Tag,
     multi: true,
   },
   {
     id: FILTER_HAS_TAGS_ANY,
     filtervar: 'tags__id__in',
-    datatype: 'tag',
+    datatype: DataType.Tag,
     multi: true,
   },
   {
     id: FILTER_DOES_NOT_HAVE_TAG,
     filtervar: 'tags__id__none',
-    datatype: 'tag',
+    datatype: DataType.Tag,
     multi: true,
   },
   {