Added default storage to vessel and some other fixes

webgui/globals.inc

@@ -128,6 +128,7 @@ $g_doc_mimetypes = ['image/png', 'image/jpeg', 'image/svg+xml', 'application/pdf
 // form option lists
 $g_opt_all = array(-2 => _('― all ―'));
 $g_opt_none = array(-1 => _('― none ―'));
+$g_opt_empty = array('' => _('― none ―'));
 $g_opt_unknown = array(-1 => _('― unknown ―'));
 
 // Initialize message system
@@ -392,6 +393,7 @@ function db_exec_insert($table, $params) {
         $g_error->Add('SQL-Error: '. $e->getMessage());
         $g_error->Add($sql);
         $g_error->Add(print_r($params, true));
+        return false;
     }
     return $pdo->LastInsertId();
 }
@@ -772,7 +774,6 @@ function db_get_opt_vessel() {
     return $list;
 }
 
-
 function db_get_opt_storage($vid) {
     global $pdo;
     global $g_error;
@@ -927,6 +928,40 @@ function db_get_filter($user, $sno, $fields = []) {
     return $flt;
 }
 
+function db_get_default_storage($vesselid, $fallback=true) {
+    global $pdo;
+    global $g_error, $g_warning;
+    $sql = "SELECT sid_default FROM vessel WHERE vid=?";
+    $sth = $pdo->prepare($sql);
+    try {
+        $sth->execute([$vesselid]);
+    } catch(PDOException $e) {
+        $g_error->Add($e->getMessage());
+        return false;
+    }
+    $sid = $sth->fetchColumn();
+    if ($sid == NULL && $fallback) {
+        // try to get another storage as last fallback
+        $g_warning->Add(_('No default storage defined for current vessel'));
+        $sql = "SELECT MIN(sid), sname FROM storage WHERE vid=?";
+        $sth = $pdo->prepare($sql);
+        try {
+            $sth->execute([$vesselid]);
+        } catch(PDOException $e) {
+            $g_error->Add($e->getMessage());
+            return false;
+        }
+        $row = $sth->fetch(PDO::FETCH_NUM);
+        if ($row[0] == NULL) {
+            $g_error->Add('Error: No storage defined for current vessel');
+            return false;
+        }
+        $sid = $row[0];
+        $g_warning->Add(sprintf(_("Selected fallback storage '%s'"), $row[1]));
+    }
+    return $sid;
+}
+
 function date_to_sql($var) {
     if (!isset($var) || $var == '') {
         return NULL;