Fix bugs with sending money

api/actions/send.php

@@ -20,9 +20,10 @@ if ($amount > $sender["balance"]) {
     sendJsonResp($Strings->get("Insufficient funds.", false), "ERROR");
 }
 
-if (($sender["type"] === 1 && $receiver["type"] === 2) || ($sender["type"] === 2 && $receiver["type"] === 3)) {
+if (($sender["type"] == 1 && $receiver["type"] == 2) || ($sender["type"] == 2 && $receiver["type"] == 3)) {
+    $success = false;
     $database->action(function ($database) {
-        global $VARS, $sender, $receiver, $amount;
+        global $VARS, $sender, $receiver, $amount, $success;
 
         $database->update("accounts", ["balance[+]" => $amount], ["accountid" => $receiver["accountid"]]);
         $database->update("accounts", ["balance[-]" => $amount], ["accountid" => $sender["accountid"]]);
@@ -33,9 +34,14 @@ if (($sender["type"] === 1 && $receiver["type"] === 2) || ($sender["type"] === 2
             "toid" => $receiver["accountid"],
             "datetime" => date("Y-m-d H:i:s")
         ]);
+        $success = true;
     });
 
-    sendJsonResp();
+    if ($success) {
+        sendJsonResp();
+    } else {
+        sendJsonResp($Strings->get("An unknown problem occurred.", false), "ERROR");
+    }
 } else {
-    sendJsonResp($Strings->get("Money cannot be sent from receivers to givers.", false), "ERROR");
+    sendJsonResp($Strings->get("Money must be sent from givers to receivers.", false), "ERROR");
 }