feat: code level email insensitivity added

packages/hoppscotch-backend/src/admin/admin.service.ts

@@ -89,12 +89,17 @@ export class AdminService {
     adminEmail: string,
     inviteeEmail: string,
   ) {
-    if (inviteeEmail == adminEmail) return E.left(DUPLICATE_EMAIL);
+    if (inviteeEmail.toLowerCase() == adminEmail.toLowerCase()) {
+      return E.left(DUPLICATE_EMAIL);
+    }
     if (!validateEmail(inviteeEmail)) return E.left(INVALID_EMAIL);
 
     const alreadyInvitedUser = await this.prisma.invitedUsers.findFirst({
       where: {
-        inviteeEmail: inviteeEmail,
+        inviteeEmail: {
+          equals: inviteeEmail,
+          mode: 'insensitive',
+        },
       },
     });
     if (alreadyInvitedUser != null) return E.left(USER_ALREADY_INVITED);
@@ -159,7 +164,7 @@ export class AdminService {
     try {
       await this.prisma.invitedUsers.deleteMany({
         where: {
-          inviteeEmail: { in: inviteeEmails },
+          inviteeEmail: { in: inviteeEmails, mode: 'insensitive' },
         },
       });
       return E.right(true);
@@ -189,6 +194,7 @@ export class AdminService {
         NOT: {
           inviteeEmail: {
             in: userEmailObjs.map((user) => user.email),
+            mode: 'insensitive',
           },
         },
       },

packages/hoppscotch-backend/src/shortcode/shortcode.service.ts

@@ -299,7 +299,10 @@ export class ShortcodeService implements UserDataHandler, OnModuleInit {
       where: userEmail
         ? {
             User: {
-              email: userEmail,
+              email: {
+                equals: userEmail,
+                mode: 'insensitive',
+              },
             },
           }
         : undefined,

packages/hoppscotch-backend/src/team-invitation/team-invitation.service.ts

@@ -75,12 +75,13 @@ export class TeamInvitationService {
     if (!isEmailValid) return E.left(INVALID_EMAIL);
 
     try {
-      const teamInvite = await this.prisma.teamInvitation.findUniqueOrThrow({
+      const teamInvite = await this.prisma.teamInvitation.findFirstOrThrow({
         where: {
-          teamID_inviteeEmail: {
-            inviteeEmail: inviteeEmail,
-            teamID: teamID,
+          inviteeEmail: {
+            equals: inviteeEmail,
+            mode: 'insensitive',
           },
+          teamID,
         },
       });
 

packages/hoppscotch-backend/src/user/user.service.ts

@@ -62,16 +62,16 @@ export class UserService {
    * @returns Option of found User
    */
   async findUserByEmail(email: string): Promise<O.None | O.Some<AuthUser>> {
-    try {
-      const user = await this.prisma.user.findUniqueOrThrow({
-        where: {
-          email: email,
+    const user = await this.prisma.user.findFirst({
+      where: {
+        email: {
+          equals: email,
+          mode: 'insensitive',
         },
-      });
-      return O.some(user);
-    } catch (error) {
-      return O.none;
-    }
+      },
+    });
+    if (!user) return O.none;
+    return O.some(user);
   }
 
   /**