1 files changed, 84 insertions, 0 deletions
diff --git a/elvia2pgsql.py b/elvia2pgsql.py
new file mode 100755
index 0000000..1b74f02
--- /dev/null
+++ b/elvia2pgsql.py
@@ -0,0 +1,84 @@
+#!/bin/python3
+
+import os
+import sys
+import json
+import psycopg2
+import requests
+
+from datetime import datetime
+from datetime import timedelta
+from tzlocal import get_localzone
+
+
+apiKey = os.environ['elvia_token']
+apiUrl = "https://elvia.azure-api.net/customer/metervalues/api/v1/metervalues"
+
+pg_db = os.environ['pg_db']
+pg_host = os.environ['pg_host']
+pg_table = "elvia"
+
+startTime = datetime.now(get_localzone()) - timedelta(days = 1)
+startTime = startTime.isoformat('T')
+
+endTime = datetime.now(get_localzone()).isoformat('T')
+
+
+### Get the data
+try:
+    url = apiUrl + "?startTime=" + startTime + "&endTime=" + endTime
+
+    # Request headers
+    hdr = {
+        'Cache-Control': 'no-cache',
+        'Authorization': "Bearer " + apiKey,
+    }
+
+    response = requests.get(url, headers=hdr)
+    if response.status_code != 200:
+        print(response.status_code)
+        print("Oh shit")
+        response.raise_for_status()
+
+except Exception as e:
+    print("oh lol")
+    sys.exit(e)
+
+data = response.json()
+print("Got "+ str(len(data['meteringpoints'][0]['metervalue']['timeSeries'])) +" items from between "+ startTime + " and " + endTime)
+
+### insert data into database
+
+values = []
+for item in data['meteringpoints'][0]['metervalue']['timeSeries']:
+    # Only deal with verified items.
+    if item['verified']:
+        values.append((data['meteringpoints'][0]['meteringPointId'], item['startTime'], item['endTime'], item['value'], item['uom'], item['production']))
+
+# connect to database
+conn = psycopg2.connect(database=pg_db, host=pg_host)
+cur = conn.cursor()
+
+# count rows before we start
+cur.execute("SELECT COUNT(*) FROM " + pg_table)
+before = cur.fetchone()
+
+# insert data
+try:
+    cur.executemany("INSERT INTO " + pg_table + " VALUES(%s,%s,%s,%s,%s,%s) ON CONFLICT (startTime,endTime) DO NOTHING", values)
+    conn.commit()
+except Exception as e:
+    conn.rollback()
+    raise e
+
+# count rows after we finnish
+cur.execute("SELECT COUNT(*) FROM " + pg_table)
+after = cur.fetchone()
+
+# count *new* rows
+newRows = after[0] - before[0]
+
+# close connection
+conn.close()
+
+print("Successfully inserted " + str(newRows) + " records into the database")