Fixed database backend

pywatts/db.py

@@ -1,5 +1,8 @@
 from peewee import *
 from playhouse import sqlite_ext
+from playhouse.sqlite_ext import SqliteExtDatabase
+
+db = SqliteExtDatabase('pywatts.db')
 
 
 class WeatherStation(Model):
@@ -11,6 +14,9 @@ class WeatherStation(Model):
     state = CharField()
     id = CharField(unique=True)
 
+    class Meta:
+        database = db
+
 
 class Result(Model):
     station = ForeignKeyField(WeatherStation)
@@ -18,3 +24,6 @@ class Result(Model):
     temperature = sqlite_ext.JSONField()
     wind_speed = sqlite_ext.JSONField()
 
+    class Meta:
+        database = db
+

pywatts/fetchdata.py

@@ -1,10 +1,8 @@
 from pypvwatts import PVWatts
-from pywatts.models import *
+from pywatts.db import *
 from pathlib import Path
 
 
-db = SqliteDatabase('pywatts.db')
-
 
 def fetch_data(from_lon, to_lon, from_lat, to_lat, step_size=1):
     my_api_key = ''
@@ -28,28 +26,30 @@ def fetch_data(from_lon, to_lon, from_lat, to_lat, step_size=1):
     return results
 
 
-def store_data(db_name, result_list):
+def store_data(result_list):
     db.connect()
-    db.create_tables([WeatherStation, Result])
+
+    if not db.table_exists(WeatherStation):
+        db.create_tables([WeatherStation, Result])
 
     for result in result_list:
-        if WeatherStation.select().where(WeatherStation.id == result.location).exists():
+        if WeatherStation.select().where(WeatherStation.id == result.station_info['location']).exists():
             print("Data for station %s already in database. Skipping." % result.station_info.location)
             continue
 
         station = WeatherStation.create(
-            longitude=result.station_info.lon,
-            latitude=result.station_info.lat,
-            location=result.station_info.location,
-            elevation=result.station_info.elevation,
-            city=result.station_info.city,
-            state=result.station_info.state,
-            id=result.station_info.location,
+            longitude=result.station_info['lon'],
+            latitude=result.station_info['lat'],
+            location=result.station_info['location'],
+            elevation=result.station_info['elev'],
+            city=result.station_info['city'],
+            state=result.station_info['state'],
+            id=result.station_info['location'],
         )
 
         Result.create(
             station=station,
-            dc_output=result.outputs.dc,
-            temperature=result.outputs.tamb,
-            wind_speed=result.outputs.wspd
+            dc_output=result.outputs['dc'],
+            temperature=result.outputs['tamb'],
+            wind_speed=result.outputs['wspd']
         )