feat: update report, check for dublicated, if the user want to change date and shop of the today's report

backend/routes/reports.js

@@ -166,6 +166,8 @@ router.put(
     body("envelope").optional().isFloat(),
     body("finalCash").optional().isFloat(),
     body("isVerified").optional().isInt({ min: 0, max: 1 }),
+    body("reportDate").optional().isISO8601(), //validate date
+    body("storeId").optional().isInt(), //validate storeId if changed
   ],
   (req, res) => {
     const errors = validationResult(req);
@@ -173,6 +175,7 @@ router.put(
       return res.status(400).json({ errors: errors.array() });
 
     const reportId = req.params.id;
+
     // Only owner or admin can update
     db.get("SELECT * FROM reports WHERE id = ?", [reportId], (err, report) => {
       if (err || !report)
@@ -195,37 +198,62 @@ router.put(
           .json({ error: "Запрещено редактировать подтвержденный отчет" });
       }
 
-      const fields = [];
-      const values = [];
-      for (const key of [
-        "income",
-        "initialCash",
-        "totalIncome",
-        "wages",
-        "expenses",
-        "totalWages",
-        "totalExpenses",
-        "envelope",
-        "finalCash",
-        "isVerified",
-      ]) {
-        if (req.body[key] !== undefined) {
-          fields.push(`${key} = ?`);
-          values.push(req.body[key]);
-        }
-      }
-      if (fields.length === 0)
-        return res.status(400).json({ error: "No data to update" });
+      //check for duplicate report, excluding the current, use new values if provided, else keep old ones from original report
+      const newStoreId =
+        req.body.storeId !== undefined ? req.body.storeId : report.storeId;
+      const newReportDate =
+        req.body.reportDate !== undefined
+          ? req.body.reportDate
+          : report.reportDate;
+      const userId = report.userId; // Always the original author
 
-      values.push(reportId);
-      db.run(
-        `UPDATE reports SET ${fields.join(
-          ", "
-        )}, updatedAt = CURRENT_TIMESTAMP WHERE id = ?`,
-        values,
-        function (err) {
+      db.get(
+        `SELECT * FROM reports WHERE storeId = ? AND reportDate = ? AND userId = ? AND id != ?`,
+        [newStoreId, newReportDate, userId, reportId],
+        (err, duplicate) => {
           if (err) return res.status(500).json({ error: "Database error" });
-          res.json({ updated: this.changes });
+          if (duplicate) {
+            return res.status(409).json({
+              error:
+                "Отчет за этот магазин и дату уже был отправлен этим пользователем.",
+            });
+          }
+
+          const fields = [];
+          const values = [];
+          for (const key of [
+            "income",
+            "initialCash",
+            "totalIncome",
+            "wages",
+            "expenses",
+            "totalWages",
+            "totalExpenses",
+            "envelope",
+            "finalCash",
+            "isVerified",
+            "reportDate",
+            "storeId",
+          ]) {
+            if (req.body[key] !== undefined) {
+              fields.push(`${key} = ?`);
+              values.push(req.body[key]);
+            }
+          }
+          if (fields.length === 0)
+            return res.status(400).json({ error: "No data to update" });
+
+          values.push(reportId);
+          db.run(
+            `UPDATE reports SET ${fields.join(
+              ", "
+            )}, updatedAt = CURRENT_TIMESTAMP WHERE id = ?`,
+            values,
+            function (err) {
+              if (err) return res.status(500).json({ error: "Database error" });
+              res.json({ updated: this.changes });
+            }
+          );
         }
       );
     });