Add case insensitiviti to email search + test cases

Bug: T415017

Author: rosalieper

app/Console/Commands/User/CheckUserEmailExist.php

@@ -16,7 +16,7 @@ public function handle(WikiUserEmailChecker $emailChecker): int {
         foreach ($emails as $email) {
             $found = false;
 
-            if (User::whereEmail($email)->exists()) {
+            if (User::whereEmailInsensitive($email)->exists()) {
                 $this->line("FOUND: {$email} in apidb.users");
                 $found = true;
             }

app/Services/WikiUserEmailChecker.php

@@ -51,7 +51,7 @@ private function emailExists(PDO $pdo, string $dbName, string $table, string $em
         $stmt = $pdo->prepare("
             SELECT 1
             FROM {$dbName}.{$table}
-            WHERE user_email = :email
+            WHERE LOWER(user_email) = LOWER(:email)
             LIMIT 1
         ");
 

app/User.php

@@ -121,4 +121,8 @@ public function sendEmailVerificationNotification() {
     public function getEmailForVerification() {
         return $this->email;
     }
+
+    public function scopeWhereEmailInsensitive($query, string $email) {
+        return $query->whereRaw('LOWER(email) = ?', [strtolower($email)]);
+    }
 }

tests/Commands/User/CheckUserEmailExistTest.php

@@ -51,4 +51,13 @@ public function testEmailFoundInWikiDb() {
             ->expectsOutput('FOUND: test@example.com in mwdb_test.mwdb_test_user')
             ->assertExitCode(0);
     }
+
+    public function testCaseInsensitive() {
+        User::factory()->create([
+            'email' => 'Test@Example.com',
+        ]);
+        $exists = User::whereEmailInsensitive('test@example.com')->exists();
+
+        $this->assertTrue($exists);
+    }
 }

tests/Services/WikiUserEmailCheckerTest.php

@@ -62,4 +62,12 @@ public function testEmailFoundInMultipleDatabases(): void {
             $checker->findEmail('user1@email.localhost')
         );
     }
+
+    public function testWikiUserEmailCheckerIsCaseInsensitive(): void {
+        $checker = new WikiUserEmailChecker($this->db);
+        $this->assertEquals(
+            ['mwdb_1.db_1_user'],
+            $checker->findEmail('uSer2@eMAil.localhost')
+        );
+    }
 }