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src/automats/deliveryEditorAutomat.js

@@ -1,5 +1,5 @@
 import { Automat } from 'react-automat';
-import { supplier as supplierApi } from '../api';
+import { article as articleApi, supplier as supplierApi } from '../api';
 
 /**
  * @typedef {Object} DeliveryLine
@@ -43,6 +43,7 @@ import { supplier as supplierApi } from '../api';
  * @property {Object<string, SupplierArticle|null>} supplierArticlesByLineKey Matched article per line.
  * @property {boolean} supplierArticlesLoading Whether any supplier article request is pending.
  * @property {Object<string, boolean>} loadingLineKeys Pending lookup state per line.
+ * @property {Object<string, boolean>} busySupplierArticleLineKeys Lines with a pending unlink request.
  * @property {string|null} supplierArticlesError Last supplier article error.
  * @property {string|null} unmatchedSupplierName Parsed supplier name without a matching entity.
  */
@@ -130,6 +131,7 @@ export const initialDelivery = {
   supplierArticlesByLineKey: {},
   supplierArticlesLoading: false,
   loadingLineKeys: {},
+  busySupplierArticleLineKeys: {},
   supplierArticlesError: null,
   unmatchedSupplierName: null,
 };
@@ -482,6 +484,70 @@ export function createDeliveryEditorAutomat(options = {}) {
       }
     },
 
+    /**
+     * Removes the supplier-article assignment behind a matched line by
+     * `DELETE /api/article/{sku}/supplier/{id}`, then re-resolves the line.
+     *
+     * @param {string|number} internalSku Internal article SKU.
+     * @param {string|number} assignmentId Article-supplier assignment ID.
+     * @param {string|number} [lineKey] Editor line key showing the match.
+     * @returns {Promise<void>}
+     */
+    async unlinkSupplierArticle(internalSku, assignmentId, lineKey) {
+      const entityId = automat.state.deliveryEntity ?? automat.state.partyId;
+      const sku = internalSku != null ? String(internalSku).trim() : '';
+      if (!sku || assignmentId == null) {
+        throw new Error('Artikelsku und Zuordnungs-ID sind erforderlich.');
+      }
+
+      if (lineKey != null) {
+        automat.setState({
+          busySupplierArticleLineKeys: {
+            ...(automat.state.busySupplierArticleLineKeys || {}),
+            [lineKey]: true,
+          },
+        });
+      }
+
+      try {
+        await articleApi.deleteSupplier(sku, assignmentId);
+
+        const clearedMap = { ...(automat.state.supplierArticlesMap || {}) };
+        for (const [mapKey, item] of Object.entries(clearedMap)) {
+          if (item != null && String(item.id) === String(assignmentId)) {
+            delete clearedMap[mapKey];
+          }
+        }
+
+        const nextList = (automat.state.supplierArticles || []).filter(
+          (item) => item != null && String(item.id) !== String(assignmentId),
+        );
+
+        const byLineKey = { ...(automat.state.supplierArticlesByLineKey || {}) };
+        if (lineKey != null) byLineKey[lineKey] = null;
+
+        automat.setState({
+          supplierArticles: nextList,
+          supplierArticlesMap: clearedMap,
+          supplierArticlesByLineKey: byLineKey,
+        });
+
+        if (lineKey != null && entityId) {
+          const line = (automat.state.lines || []).find((l) => l.key === lineKey);
+          const rawSku = line?.sku != null ? String(line.sku).trim() : '';
+          if (rawSku) {
+            await automat.actions.fetchSupplierArticleForSku(rawSku, lineKey);
+          }
+        }
+      } finally {
+        if (lineKey != null) {
+          const nextBusy = { ...(automat.state.busySupplierArticleLineKeys || {}) };
+          delete nextBusy[lineKey];
+          automat.setState({ busySupplierArticleLineKeys: nextBusy });
+        }
+      }
+    },
+
     /** @param {Object} attachment @returns {void} */
     addAttachment(attachment) {
       const id = attachment.id ?? `${Date.now()}-${Math.random().toString(36).slice(2, 8)}`;
@@ -594,6 +660,7 @@ export const {
   removeLine,
   fetchSupplierArticles,
   fetchSupplierArticleForSku,
+  unlinkSupplierArticle,
   addAttachment,
   setAttachments,
   updateAttachment,
@@ -637,5 +704,8 @@ export const selectSupplierArticlesByLineKey = (state = deliveryEditorAutomat.st
 export const selectSupplierArticlesLoading = (state = deliveryEditorAutomat.state) => state.supplierArticlesLoading;
 /** @param {DeliveryEditorState} [state] @returns {Object<string, boolean>} */
 export const selectLoadingLineKeys = (state = deliveryEditorAutomat.state) => state.loadingLineKeys;
+/** @param {DeliveryEditorState} [state] @returns {Object<string, boolean>} */
+export const selectBusySupplierArticleLineKeys = (state = deliveryEditorAutomat.state) =>
+  state.busySupplierArticleLineKeys;
 
 export default deliveryEditorAutomat;