Update student to have an ID

routes/(apps)/mobility/(_islands)/EditMobility.tsx

@@ -13,7 +13,7 @@ interface Promotion {
 }
 
 interface Mobility {
-  id: number;
+  id: number | null;
   studentId: string;
   startDate: string | null;
   endDate: string | null;
@@ -63,7 +63,20 @@ export default function EditMobility() {
 
       const updatedMobilities = prevData.mobilities?.map((mobility) => {
         if (mobility.studentId === studentId) {
-          return { ...mobility, [field]: value };
+          const updatedMobility = { ...mobility, [field]: value };
+
+          if (field === "startDate" || field === "endDate") {
+            const startDate = new Date(updatedMobility.startDate || "");
+            const endDate = new Date(updatedMobility.endDate || "");
+            if (startDate && endDate && startDate <= endDate) {
+              const weeks = Math.ceil((endDate.getTime() - startDate.getTime()) / (7 * 24 * 60 * 60 * 1000));
+              updatedMobility.weeksCount = weeks;
+            } else {
+              updatedMobility.weeksCount = null;
+            }
+          }
+
+          return updatedMobility;
         }
         return mobility;
       }) || [];
@@ -86,7 +99,7 @@ export default function EditMobility() {
 
       if (response.ok) {
         alert("Data saved successfully!");
-        window.location.reload(); // Refresh the page to load updated data
+        window.location.reload();
       } else {
         throw new Error(`Failed to save data: ${response.statusText}`);
       }
@@ -131,6 +144,7 @@ export default function EditMobility() {
                 ?.filter((student) => student.promotionId === promo.id)
                 .map((student) => {
                   const mobility = data.mobilities?.find((mob) => mob.studentId === student.id) || {
+                    id: null,
                     studentId: student.id,
                     startDate: null,
                     endDate: null,
@@ -159,15 +173,7 @@ export default function EditMobility() {
                           onChange={(e) => handleChange(student.id, "endDate", e.target.value)}
                         />
                       </td>
-                      <td>
-                        <input
-                          type="number"
-                          value={mobility.weeksCount || ""}
-                          onChange={(e) =>
-                            handleChange(student.id, "weeksCount", Number(e.target.value) || null)
-                          }
-                        />
-                      </td>
+                      <td>{mobility.weeksCount ?? "N/A"}</td>
                       <td>
                         <input
                           type="text"

routes/(apps)/mobility/api/insert_mobility.ts

@@ -65,15 +65,30 @@ export const handler: Handlers = {
 
       const connection = new Database("databases/data/mobility.db", { create: false });
 
+      console.log("Attaching students database...");
+      connection.run("ATTACH DATABASE 'databases/data/students.db' AS students");
+      console.log("Students database attached successfully.");
+
+      const testStudents = connection.prepare("SELECT COUNT(*) AS count FROM students.students").get();
+      console.log(`Students table accessible, total records: ${testStudents.count}`);
+
       const insertQuery = connection.prepare(
         `INSERT INTO mobility (
-          studentId, startDate, endDate, weeksCount, destinationCountry, destinationName, mobilityStatus
+          id, studentId, startDate, endDate, weeksCount, destinationCountry, destinationName, mobilityStatus
         )
-        VALUES (?, ?, ?, ?, ?, ?, ?)`
+        VALUES (?, ?, ?, ?, ?, ?, ?, ?)
+        ON CONFLICT(id) DO UPDATE SET
+          startDate = excluded.startDate,
+          endDate = excluded.endDate,
+          weeksCount = excluded.weeksCount,
+          destinationCountry = excluded.destinationCountry,
+          destinationName = excluded.destinationName,
+          mobilityStatus = excluded.mobilityStatus`
       );
-
+      
       for (const mobility of data) {
         const {
+          id = null,
           studentId,
           startDate,
           endDate,
@@ -82,12 +97,35 @@ export const handler: Handlers = {
           destinationName,
           mobilityStatus = "N/A",
         } = mobility;
-
+      
+        let calculatedWeeksCount = weeksCount;
+        if (startDate && endDate) {
+          const start = new Date(startDate);
+          const end = new Date(endDate);
+          if (start <= end) {
+            calculatedWeeksCount = Math.ceil((end.getTime() - start.getTime()) / (7 * 24 * 60 * 60 * 1000));
+          } else {
+            calculatedWeeksCount = null;
+          }
+        }
+      
+        console.log(`Inserting/Updating mobility for studentId: ${studentId}`);
+      
+        const studentExists = connection
+          .prepare(`SELECT COUNT(*) AS count FROM students.students WHERE userId = ?`)
+          .get(studentId);
+      
+        if (studentExists.count === 0) {
+          console.warn(`Skipping mobility for unknown studentId: ${studentId}`);
+          continue;
+        }
+      
         insertQuery.run(
+          id,
           studentId,
           startDate,
           endDate,
-          weeksCount,
+          calculatedWeeksCount,
           destinationCountry,
           destinationName,
           mobilityStatus
@@ -95,12 +133,11 @@ export const handler: Handlers = {
       }
 
       connection.close();
-
-      console.log("Mobility data inserted successfully");
-      return new Response("Data inserted successfully", { status: 201 });
+      console.log("Mobility data inserted/updated successfully.");
+      return new Response("Data inserted/updated successfully", { status: 200 });
     } catch (error) {
       console.error("Error inserting mobility data:", error);
-      return new Response("Failed to insert data", { status: 500 });
+      return new Response("Failed to insert/update data", { status: 500 });
     }
   },
-};
+};