#!/usr/bin/env python3
""" Get exchange rates from nb """
import csv
import sys
import tempfile
from datetime import datetime, timedelta
import common
import requests
from tzlocal import get_localzone
# I'm not sure I understand Norges Banks json-model. It seems a lot easier to just get the CSV, and convert it to JSON.
apiUrl = "https://data.norges-bank.no/api/data/EXR/B.EUR.NOK.SP?format=csv&locale=en"
pg_db = common.env("el_pg_db")
pg_host = common.env("el_pg_host")
pg_table = "nbex"
startTime = datetime.now(get_localzone()) - timedelta(days=10)
startTime = startTime.strftime("%Y-%m-%d")
# startTime = '2023-05-23' # <- edit for manual starttime. Like when filling in missing info.
endTime = datetime.now(get_localzone()).strftime("%Y-%m-%d")
temp = tempfile.NamedTemporaryFile()
### Get the data
try:
url = apiUrl + "&startPeriod=" + startTime + "&endPeriod=" + endTime
response = requests.get(url, timeout=10)
if response.status_code != 200:
print(response.status_code)
print("Oh shit")
response.raise_for_status()
with open(temp.name, "w", encoding="utf-8") as fd:
fd.write(response.text)
except requests.exceptions.RequestException as e:
print("oh lol")
sys.exit(e)
### insert data into database
values = []
with open(temp.name, encoding="utf-8") as csvfile:
csvReader = csv.DictReader(csvfile, delimiter=";")
for item in csvReader:
values.append(
(
item["TIME_PERIOD"],
item["BASE_CUR"],
item["QUOTE_CUR"],
item["OBS_VALUE"],
)
)
temp.close()
# SQL
sql = """INSERT INTO nbex
VALUES(%s, %s, %s, %s)
ON CONFLICT (startdate,base_cur,quote_cur) DO NOTHING"""
common.dbi(sql, values, verbose=True)
