add active mieters request

Mieter.py

@@ -21,6 +21,29 @@ SELECT m.id as id,
         w.id = m.wohnung
     """, [], "Mieter")
 
+def get_mieters_active():
+    return getMany("""
+SELECT m.id as id, 
+       o.id as objekt,
+       w.id as wohnung,
+       w.shortname as wohnung_shortname, 
+       o.shortname as objekt_shortname,
+       COALESCE(m.anrede, '-') as anrede,
+       COALESCE(m.vorname, '-') as vorname,
+       m.nachname as nachname,
+       COALESCE(m.strasse, '-') as strasse,
+       COALESCE(m.plz, '-') as plz,
+       COALESCE(m.ort, '-') as ort,
+       COALESCE(m.telefon, '-') as telefon,
+       m.einzug as einzug,
+       COALESCE(m.auszug, '-') as auszug
+  FROM wohnung w, objekt o, mieter m
+  WHERE o.id = w.objekt AND
+        w.id = m.wohnung AND
+        m.einzug <= curdate() and
+        (m.auszug is null or m.auszug > curdate())
+    """, [], "Mieter")
+
 def get_mieter(id=None):
     return getOne("""
 SELECT m.id as id,