avoid startRate of 0 division error

2022-05-29 20:37:09 +02:00
parent e4013613a2
commit d7ad61557b
1 changed files with 4 additions and 1 deletions
@@ -49,11 +49,14 @@ class Calc:
                  ORDER BY rate ASC LIMIT 1"""
        cursor.execute(sql, [Crypto, Fiat, startDate, endDate])
        minRate = cursor.fetchone()
+        diffPercentage = -1
+        if startRate[1] > 0:
+            diffPercentage = (Decimal(endRate[1])-Decimal(startRate[1]))/Decimal(startRate[1])*100
        return {"startdate": startRate[0], "startvalue": startRate[1],
                "curdate": endRate[0], "curvalue": endRate[1],
                "mindate": minRate[0], "minvalue": minRate[1],
                "maxdate": maxRate[0], "maxvalue": maxRate[1],
-                "diffPercentage": (Decimal(endRate[1])-Decimal(startRate[1]))/Decimal(startRate[1])*100}
+                "diffPercentage": diffPercentage}
    return None