Added middleman for members checking whom's packets they've signed

Author: zedoax

packet/member.py

@@ -0,0 +1,11 @@
+from .models import Freshman, FreshSignature, UpperSignature, MiscSignature
+
+
+def signed_packets(member):
+    is_freshman = Freshman.query.filter_by(rit_username=member).first() is not None
+    if is_freshman:
+        return FreshSignature.query.filter_by(freshman_username=member, signed=True)
+    is_upper = UpperSignature.query.filter_by(member=member).first() is not None
+    if is_upper:
+        return UpperSignature.query.filter_by(member=member, signed=True)
+    return MiscSignature.query.filter_by(member=member)