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#!/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['el_elvia_token']
apiUrl = "https://elvia.azure-api.net/customer/metervalues/api/v1/metervalues"
pg_db = os.environ['el_pg_db']
pg_host = os.environ['el_pg_host']
pg_table = "elvia"
startTime = datetime.now(get_localzone()) - timedelta(days = 2)
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")
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