feat(articlesupplier): implement store methods, schema constraints, and embed in getBySku

src/store/articlesupplier/delete.js

@@ -0,0 +1,69 @@
+import {
+  DELETE_BY_ID_AND_ARTICLE_ID,
+  DELETE_PRICE,
+  GET_BY_ID_AND_ARTICLE_ID,
+} from '../../sql/articlesupplier.js';
+import request from '../request.js';
+import resolveArticleBySku from '../article/resolveArticleBySku.js';
+
+export default function del(pool) {
+  const resolve = resolveArticleBySku(pool);
+
+  /**
+   * Deletes a supplier assignment and cleans up its associated purchase price.
+   *
+   * @param {number} googleAuthId - The id of the Google auth user.
+   * @param {string} sku - The article SKU.
+   * @param {number} id - The id of the articlesupplier record.
+   * @returns {Promise<void>}
+   * @throws {Error} If the supplier assignment is not found.
+   *
+   * @example
+   * await store.articlesupplier.delete(42, 'SKU-1', 12);
+   */
+  return async (googleAuthId, sku, id) => {
+    if (id == null || !Number.isFinite(id)) {
+      throw new Error('Supplier assignment not found');
+    }
+
+    const { articleId, companyId } = await resolve(googleAuthId, sku);
+
+    const existingRes = await pool
+      .request()
+      .input('id', id)
+      .input('articleId', articleId)
+      .input('companyId', companyId)
+      .query(GET_BY_ID_AND_ARTICLE_ID);
+
+    const existing = existingRes.recordset[0];
+    if (!existing) {
+      throw new Error('Supplier assignment not found');
+    }
+
+    const tx = pool.transaction();
+    await tx.begin();
+
+    try {
+      await request(pool, tx)
+        .input('id', id)
+        .input('articleId', articleId)
+        .query(DELETE_BY_ID_AND_ARTICLE_ID);
+
+      if (existing.priceId != null) {
+        await request(pool, tx)
+          .input('id', existing.priceId)
+          .input('articleId', articleId)
+          .query(DELETE_PRICE);
+      }
+
+      await tx.commit();
+    } catch (err) {
+      try {
+        await tx.rollback();
+      } catch {
+        // ignore
+      }
+      throw err;
+    }
+  };
+}