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b748cb5f
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Tomáš Pašek
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<?php
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require "../model/DB.php";
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15493e3d
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Anděl Ondřej
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session_start();
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f95d4d7c
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Tomáš Pašek
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if (array_key_exists("loggedIn", $_SESSION) && $_SESSION['loggedIn'] == "true" && array_key_exists("role", $_SESSION) && $_SESSION['role'] == "admin") {
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b748cb5f
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Tomáš Pašek
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$DB = new DB();
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ad5ad0be
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Tomáš Pašek
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$results = $DB->select("SELECT id, username, role from USERS WHERE role = 'admin'", array());
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if (sizeof($results) == 1) { //at least one admin must still exist
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if ($results[0]["id"] != $_POST['userId']) {
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$results = $DB->updateUserRole($_POST["userId"], $_POST["role"]);
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}
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} else if (sizeof($results) > 1) {
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$results = $DB->updateUserRole($_POST["userId"], $_POST["role"]);
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}
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b748cb5f
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Tomáš Pašek
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echo json_encode(count($results) == 0 ? null : $results);
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}
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