Added default value in case on the user not being found in the DB

src/pages/api/assignments/[id]/[export]/excel.ts

@@ -84,9 +84,16 @@ function commonExcel({
     .map((assignee: string) => {
       const userStats = allStats.filter((s: any) => s.user === assignee);
       const dates = userStats.map((s: any) => moment(s.date));
+      const user = users.find((u) => u.id === assignee);
       return {
         userId: assignee,
-        user: users.find((u) => u.id === assignee),
+        // added some default values in case the user is not found
+        // could it be possible to have an assigned user deleted from the database?
+        user: user || {
+          name: "Unknown",
+          email: "Unknown",
+          demographicInformation: { passportId: "Unknown", gender: "Unknown" },
+        },
         ...userStats.reduce(
           (acc: any, curr: any) => {
             return {
@@ -188,7 +195,8 @@ function commonExcel({
   worksheet.addRow(tableColumnHeaders);
 
   // 1 headers rows
-  const startIndexTable = firstSectionData.length + customTableAndLine.length + 1;
+  const startIndexTable =
+    firstSectionData.length + customTableAndLine.length + 1;
 
   // // Merge "Test Sections" over dynamic number of columns
   // const tableColumns = staticHeaders.length + numberOfTestSections;
@@ -233,7 +241,12 @@ function commonExcel({
 
   // vertically group based on the part, exercise and type
   staticHeaders.forEach((header, index) => {
-    worksheet.mergeCells(startIndexTable, index + 1, startIndexTable + 3, index + 1);
+    worksheet.mergeCells(
+      startIndexTable,
+      index + 1,
+      startIndexTable + 3,
+      index + 1
+    );
   });
 
   assigneesData.forEach((data, index) => {
@@ -320,13 +333,17 @@ async function mastercorporateAssignment(
   const adminsData = await getSpecificUsers(adminUsers);
   const companiesData = adminsData.map((user) => {
     const name = getUserName(user);
-    const users = userGroupsParticipants
+    const users = userGroupsParticipants.filter((p) =>
-      .filter((p) => data.assignees.includes(p));
+      data.assignees.includes(p)
+    );
 
     const stats = data.results
       .flatMap((r: any) => r.stats)
       .filter((s: any) => users.includes(s.user));
-    const correct = stats.reduce((acc: number, s: any) => acc + s.score.correct, 0);
+    const correct = stats.reduce(
+      (acc: number, s: any) => acc + s.score.correct,
+      0
+    );
     const total = stats.reduce(
       (acc: number, curr: any) => acc + curr.score.total,
       0
@@ -346,9 +363,11 @@ async function mastercorporateAssignment(
       correct: companiesData.reduce((acc, curr) => acc + curr.correct, 0),
       total: companiesData.reduce((acc, curr) => acc + curr.total, 0),
     },
-  ].map((c) => [c.name, `${c.correct}/${c.total}`])
+  ].map((c) => [c.name, `${c.correct}/${c.total}`]);
 
-  const customTableHeaders = [{ name: "Corporate", helper: (data: any) => data.user.corporateName}];
+  const customTableHeaders = [
+    { name: "Corporate", helper: (data: any) => data.user.corporateName },
+  ];
   return commonExcel({
     data,
     userName: user.corporateInformation?.companyInformation?.name || "",
@@ -358,12 +377,13 @@ async function mastercorporateAssignment(
       return {
         ...u,
         corporateName: getUserName(admin),
-      }
+      };
     }),
     sectionName: "Master Corporate Name :",
-    customTable: [['Corporate Summary'], ...customTable],
+    customTable: [["Corporate Summary"], ...customTable],
     customTableHeaders: customTableHeaders.map((h) => h.name),
-    renderCustomTableData: (data) => customTableHeaders.map((h) => h.helper(data)),
+    renderCustomTableData: (data) =>
+      customTableHeaders.map((h) => h.helper(data)),
   });
 }
 
@@ -415,7 +435,11 @@ async function post(req: NextApiRequest, res: NextApiResponse) {
           case "corporate":
             return corporateAssignment(user as CorporateUser, data, users);
           case "mastercorporate":
-            return mastercorporateAssignment(user as MasterCorporateUser, data, users);
+            return mastercorporateAssignment(
+              user as MasterCorporateUser,
+              data,
+              users
+            );
           default:
             throw new Error("Invalid user type");
         }