From 7f21fcc75dc2b0956763adb7db62829c38e5215c Mon Sep 17 00:00:00 2001
From: Fabian Krueger <fabian.krueger@fau.de>
Date: Fri, 20 Sep 2019 08:47:11 +0200
Subject: [PATCH] update backend: now supporting getLastChargesList
---
store/backend.py | 17 +++++++++++++++++
store/store_config.py | 5 ++++-
2 files changed, 21 insertions(+), 1 deletion(-)
diff --git a/store/backend.py b/store/backend.py
index f048b23..356e940 100644
--- a/store/backend.py
+++ b/store/backend.py
@@ -194,3 +194,20 @@ class PurchaseLogic:
user.updateMoney(purchase.price)
print("user_id:", user.id, "purchase_id:", purchase.id, "user.money:", user.money)
+
+class ChargeLogic:
+
+ """
+ Returns a list of the last charges of a specified user: [{'id': ..., 'amount': ...}, Decimal(...,...)]
+ @param user_id: the id of the specified user
+ @config-param max_charges: Number of charges to be shown. Depends on N_LAST_CHARGES
+ """
+ def getLastChargesList(user_id):
+ max_charges = config['N_LAST_CHARGES']
+ charges = Charge.objects.filter(user=user_id).values('id', 'amount')
+ if max_charges < 0:
+ charges = list(charges.order_by('time_stamp').reverse())
+ else:
+ charges = list(charges.order_by('time_stamp').reverse())[:max_charges]
+ return charges
+
diff --git a/store/store_config.py b/store/store_config.py
index a45ffa2..ac0b92c 100644
--- a/store/store_config.py
+++ b/store/store_config.py
@@ -5,8 +5,10 @@ T_ANNULLABLE_PURCHASE_M: time of minutes a user has for a purchase to undo it
N_MOST_BOUGHT_PRODUCTS: number of products to be shown in 'Häufig gekauft'
T_MOST_BOUGHT_PRODUCTS_D: number of days in the past that are used as time intervall limit to search for 'Häufig gekauft'
N_USERS_LOGIN: number of users that should be shown in the users list in the login-screen. A negative number means
- 'all users are selected'
+ 'all users are selected'
T_USERS_LOGIN_D: number of days in the past that are used as time intervall limit to search for users
+N_LAST_CHARGES: number of charges that should be shown in 'Letzte Aufladungen'. A negative number means 'all users are
+ selected'
"""
KAFFEEKASSE = {'N_LAST_BOUGHT_PRODUCTS': 5,
'T_LAST_BOUGHT_PRODUCTS_D': 30,
@@ -15,4 +17,5 @@ KAFFEEKASSE = {'N_LAST_BOUGHT_PRODUCTS': 5,
'T_MOST_BOUGHT_PRODUCTS_D': 30,
'N_USERS_LOGIN': -1,
'T_USERS_LOGIN_D': 356,
+ 'N_LAST_CHARGES': -1,
}
--
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