feat : remove others demand for same structure

src/users/users.service.ts

@@ -326,21 +326,36 @@ export class UsersService {
     structureName: string,
     validate: boolean
   ): Promise<PendingStructureDto[]> {
-    const users = await this.findOne(userEmail);
+    const user = await this.findOne(userEmail);
+    // Get other users who have made the demand on the same structure
+    const otherUsers = await this.userModel
+      .find({ pendingStructuresLink: structureId, email: { $ne: userEmail } })
+      .exec();
+
     let status = false;
-    if (!users) {
+    if (!user) {
       throw new HttpException('User not found', HttpStatus.NOT_FOUND);
     }
-    if (users.pendingStructuresLink.includes(structureId)) {
-      users.pendingStructuresLink = users.pendingStructuresLink.filter((item) => item !== structureId);
+    if (user.pendingStructuresLink.includes(structureId)) {
+      user.pendingStructuresLink = user.pendingStructuresLink.filter((item) => item !== structureId);
       // If it's a validation case, push structureId into validated user structures
       if (validate) {
-        users.structuresLink.push(structureId);
+        user.structuresLink.push(structureId);
         // Send validation email
         status = true;
+        // For other users who have made the demand on the same structure
+        if (otherUsers) {
+          otherUsers.forEach((user) => {
+            // Remove the structure id from their demand
+            user.pendingStructuresLink = user.pendingStructuresLink.filter((item) => item !== structureId);
+            // Send a rejection email
+            this.sendStructureClaimApproval(user.email, structureName, false);
+            user.save();
+          });
+        }
       }
       this.sendStructureClaimApproval(userEmail, structureName, status);
-      await users.save();
+      await user.save();
       return this.getPendingStructures();
     } else {
       throw new HttpException(