Consistent member/user terminology

There's an inconsistency in whether to call a member a user. Generally,
users are the ones with admin access, while members are the customers.

stregsystem/urls.py

@@ -30,11 +30,11 @@
     re_path(r'^(?P<room_id>\d+)/user/(?P<member_id>\d+)/pay$', views.menu_userpay, name="userpay"),
     re_path(r'^(?P<room_id>\d+)/user/(?P<member_id>\d+)/rank$', views.menu_userrank, name="userrank"),
     re_path(r'^api/member/payment/qr$', views.qr_payment, name="payment_qr"),
-    re_path(r'^api/member/active$', views.check_user_active, name="active_member"),
-    re_path(r'^api/member/sales$', views.get_user_sales, name="get_user_sales"),
+    re_path(r'^api/member/active$', views.check_member_active, name="active_member"),
+    re_path(r'^api/member/sales$', views.get_member_sales, name="get_member_sales"),
     re_path(r'^api/member/get_id$', views.convert_username_to_id, name="get_id"),
-    re_path(r'^api/member/balance$', views.get_user_balance, name="get_user_balance"),
-    re_path(r'^api/member$', views.get_user_info, name="get_user_transactions"),
+    re_path(r'^api/member/balance$', views.get_member_balance, name="get_member_balance"),
+    re_path(r'^api/member$', views.get_member_info, name="get_member_info"),
     re_path(r'^api/products/named_products$', views.dump_named_items, name="named_products"),
     re_path(r'^api/products/active_products$', views.dump_active_items, name="active_products"),
     re_path(r'^api/products/category_mappings$', views.dump_product_category_mappings, name="product_mappings"),

stregsystem/views.py

@@ -504,7 +504,7 @@ def dump_active_items(request):
     return JsonResponse(items_dict, json_dumps_params={'ensure_ascii': False})
 
 
-def check_user_active(request):
+def check_member_active(request):
     member_id = request.GET.get('member_id') or None
     if member_id is None:
         return HttpResponseBadRequest("Missing member_id")
@@ -534,7 +534,7 @@ def dump_product_category_mappings(request):
     return JsonResponse({p.id: [(cat.id, cat.name) for cat in p.categories.all()] for p in Product.objects.all()})
 
 
-def get_user_sales(request):
+def get_member_sales(request):
     member_id = request.GET.get('member_id') or None
     if member_id is None:
         return HttpResponseBadRequest("Missing member_id")
@@ -547,7 +547,7 @@ def get_user_sales(request):
     )
 
 
-def get_user_balance(request):
+def get_member_balance(request):
     member_id = request.GET.get('member_id') or None
     if member_id is None:
         return HttpResponseBadRequest("Missing member_id")
@@ -560,7 +560,7 @@ def get_user_balance(request):
     return JsonResponse({'balance': member.balance})
 
 
-def get_user_info(request):
+def get_member_info(request):
     member_id = str(request.GET.get('member_id')) or None
     if member_id is None or not member_id.isdigit():
         return HttpResponseBadRequest("Missing or invalid member_id")