feat(etapi): add attachments etapi endpoint

apps/server/etapi.openapi.yaml

@@ -362,6 +362,31 @@ paths:
                         application/json; charset=utf-8:
                             schema:
                                 $ref: "#/components/schemas/Error"
+    /notes/{noteId}/attachments:
+        parameters:
+            - name: noteId
+              in: path
+              required: true
+              schema:
+                  $ref: "#/components/schemas/EntityId"
+        get:
+            description: Returns all attachments for a note identified by its ID
+            operationId: getNoteAttachments
+            responses:
+                "200":
+                    description: list of attachments
+                    content:
+                        application/json; charset=utf-8:
+                            schema:
+                                type: array
+                                items:
+                                    $ref: "#/components/schemas/Attachment"
+                default:
+                    description: unexpected error
+                    content:
+                        application/json; charset=utf-8:
+                            schema:
+                                $ref: "#/components/schemas/Error"
     /notes/{noteId}/undelete:
         parameters:
             - name: noteId

apps/server/src/etapi/attachments.ts

@@ -8,6 +8,12 @@ import type { AttachmentRow } from "@triliumnext/commons";
 import type { ValidatorMap } from "./etapi-interface.js";
 
 function register(router: Router) {
+    eu.route(router, "get", "/etapi/notes/:noteId/attachments", (req, res, next) => {
+        const note = eu.getAndCheckNote(req.params.noteId);
+        const attachments = note.getAttachments();
+        res.json(attachments.map((attachment) => mappers.mapAttachmentToPojo(attachment)));
+    });
+
     const ALLOWED_PROPERTIES_FOR_CREATE_ATTACHMENT: ValidatorMap = {
         ownerId: [v.notNull, v.isNoteId],
         role: [v.notNull, v.isString],