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drive_connector.py
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drive_connector.py
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import os
import io
import pandas as pd
from datetime import datetime
from dotenv import load_dotenv
import yaml
from telegram.ext import CallbackContext
from google.auth.transport.requests import Request
from google.oauth2.credentials import Credentials
from google_auth_oauthlib.flow import InstalledAppFlow
from googleapiclient.discovery import build
from googleapiclient.errors import HttpError
from googleapiclient.http import MediaIoBaseUpload
from google.oauth2.credentials import Credentials
from googleapiclient.discovery import build
load_dotenv()
SAMPLE_SPREADSHEET_ID = os.environ["SAMPLE_SPREADSHEET_ID"]
CLAIM_RECEIPT_FOLDER_ID = os.environ["CLAIM_RECEIPT_FOLDER_ID"]
PAYMENT_PROOF_FOLDER_ID = os.environ["PAYMENT_PROOF_FOLDER_ID"]
# Load in config file
def load_config(config_path):
with open(config_path, "r") as file:
config = yaml.safe_load(file)
return config
# Load the config
config = load_config(config_path="config.yaml")
SHEETS_SCOPES = config["sheets"]["scopes"]
G_DRIVE_SCOPES = config["drive"]["scopes"]
SAMPLE_RANGE_NAME = config["sheets"]["range_name"]
CREDENTIALS_PATH = config["credentials"]["path"]
SHEET_TOKEN_PATH = config["sheets"]["token_path"]
DRIVE_TOKEN_PATH = config["drive"]["token_path"]
def fetch_sheet():
"""
Fetches data from the excel sheet and stores returns it as a pandas dataframe
"""
creds = None
# Check if token.json exists and load it if it does
# Need better error handling for this
if os.path.exists(SHEET_TOKEN_PATH):
creds = Credentials.from_authorized_user_file(SHEET_TOKEN_PATH, SHEETS_SCOPES)
# If no valid credentials are available, log in again
if not creds or not creds.valid:
if creds and creds.expired and creds.refresh_token:
creds.refresh(Request()) # refresh the token if it’s expired
else:
# log in and get new credentials
flow = InstalledAppFlow.from_client_secrets_file(
CREDENTIALS_PATH, SHEETS_SCOPES
)
creds = flow.run_local_server(port=0)
# Save the credentials for future runs
with open(SHEET_TOKEN_PATH, "w") as token:
token.write(creds.to_json())
try:
# Call the Sheets API
service = build("sheets", "v4", credentials=creds)
sheet = service.spreadsheets()
result = (
sheet.values()
.get(spreadsheetId=SAMPLE_SPREADSHEET_ID, range=SAMPLE_RANGE_NAME)
.execute()
)
# retrieve the sheet data
sheet = result.get("values", [])
# check if there's data in the sheet
if not sheet:
return "No data found in the Google Sheet."
# Here the sheet is a pandas dataframe
df = pd.DataFrame(sheet[1:], columns=sheet[0])
return df
except HttpError as err:
return f"An error occurred: {err}"
def get_claim_status(df, id):
id = id.strip()
try:
status_msg = df[df["Claim ID"] == id]["Approval Status"].values[0]
except IndexError:
return {"error": True, "status_msg": id}
return {"error": False, "status_msg": status_msg}
def send_claim_receipt_to_cloud(receipt_path: str, photo_file) -> str:
"""Uploads the receipt to a pre-defined folder in Google Drive and returns the file ID."""
creds = None
if os.path.exists(DRIVE_TOKEN_PATH):
creds = Credentials.from_authorized_user_file(DRIVE_TOKEN_PATH, G_DRIVE_SCOPES)
if not creds or not creds.valid:
if creds and creds.expired and creds.refresh_token:
creds.refresh(Request()) # refresh the token if it’s expired
else:
# Log in and get new credentials
flow = InstalledAppFlow.from_client_secrets_file(
CREDENTIALS_PATH, G_DRIVE_SCOPES
)
creds = flow.run_local_server(port=0)
with open(DRIVE_TOKEN_PATH, "w") as token:
token.write(creds.to_json())
# calling the google drive API
service = build("drive", "v3", credentials=creds)
# Validate the MIME type to ensure it's a JPG
if photo_file.file_path.endswith(".jpg") or photo_file.file_path.endswith(".jpeg"):
# Use a unique file name for the receipt using the UUID
image_uuid = receipt_path
file_metadata = {
"name": f"{image_uuid}.jpg",
"parents": [CLAIM_RECEIPT_FOLDER_ID],
}
# store media bytes
receipt_stream = io.BytesIO(photo_file.download_as_bytearray())
media = MediaIoBaseUpload(receipt_stream, mimetype="image/jpeg")
# Upload the file to Google Drive inside the folder with FOLDER_ID
file = (
service.files()
.create(body=file_metadata, media_body=media, fields="id")
.execute()
)
return
else:
raise ValueError("File type is not JPG")
def send_payment_proof_to_cloud(receipt_path: str, photo_file) -> str:
"""Uploads the receipt to a pre-defined folder in Google Drive and returns the file ID."""
creds = None
if os.path.exists(DRIVE_TOKEN_PATH):
creds = Credentials.from_authorized_user_file(DRIVE_TOKEN_PATH, G_DRIVE_SCOPES)
if not creds or not creds.valid:
if creds and creds.expired and creds.refresh_token:
creds.refresh(Request()) # refresh the token if it’s expired
else:
# Log in and get new credentials
flow = InstalledAppFlow.from_client_secrets_file(
CREDENTIALS_PATH, G_DRIVE_SCOPES
)
creds = flow.run_local_server(port=0)
with open(DRIVE_TOKEN_PATH, "w") as token:
token.write(creds.to_json())
# calling the google drive API
service = build("drive", "v3", credentials=creds)
# Validate the MIME type to ensure it's a JPG
if photo_file.file_path.endswith(".jpg") or photo_file.file_path.endswith(".jpeg"):
# Use a unique file name for the receipt using the UUID
image_uuid = receipt_path
file_metadata = {
"name": f"{image_uuid}.jpg",
"parents": [PAYMENT_PROOF_FOLDER_ID],
}
# store media bytes
receipt_stream = io.BytesIO(photo_file.download_as_bytearray())
media = MediaIoBaseUpload(receipt_stream, mimetype="image/jpeg")
# Upload the file to Google Drive inside the folder with FOLDER_ID
file = (
service.files()
.create(body=file_metadata, media_body=media, fields="id")
.execute()
)
return
else:
raise ValueError("File type is not JPG")
def current_datetime():
return datetime.now().strftime("%Y-%m-%d")
def export_claim_details(context: CallbackContext):
"""
Appends a new claim to the Google Sheet.
"""
new_row = [
context.user_data.get("receipt_uuid", "").capitalize(),
context.user_data.get("department", "").capitalize(),
context.user_data.get("name", "").capitalize(),
current_datetime(),
context.user_data.get("category", "").capitalize(),
context.user_data.get("amount", "").capitalize(),
context.user_data.get("description", "").capitalize(),
"Pending",
"Yes",
]
creds = None
if os.path.exists(SHEET_TOKEN_PATH):
creds = Credentials.from_authorized_user_file(SHEET_TOKEN_PATH, SHEETS_SCOPES)
# If no valid credentials are available, log in again
if not creds or not creds.valid:
if creds and creds.expired and creds.refresh_token:
creds.refresh(Request()) # refresh the token if it’s expired
else:
flow = InstalledAppFlow.from_client_secrets_file(
CREDENTIALS_PATH, SHEETS_SCOPES
)
creds = flow.run_local_server(port=0)
with open(SHEET_TOKEN_PATH, "w") as token:
token.write(creds.to_json())
try:
# Call the oogle sheets API
service = build("sheets", "v4", credentials=creds)
sheet = service.spreadsheets()
# appending the new row
request = sheet.values().append(
spreadsheetId=SAMPLE_SPREADSHEET_ID,
range=SAMPLE_RANGE_NAME,
valueInputOption="RAW",
insertDataOption="INSERT_ROWS",
body={"values": [new_row]},
)
response = request.execute()
print(f"Claim successfully appended to Sheet ID {response['spreadsheetId']}")
except HttpError as err:
print(f"An error occurred: {err}")
return
if __name__ == "__main__":
fetch_sheet()