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import os
from supabase import create_client, Client
from dotenv import load_dotenv
# Load environment variables from .env file
load_dotenv()
# Replace with your Supabase URL and API key
SUPABASE_URL: str = os.getenv("SUPABASE_URL")
SUPABASE_KEY: str = os.getenv("SUPABASE_KEY")
# Initialize the Supabase client
supabase: Client = create_client(SUPABASE_URL, SUPABASE_KEY)
# Define the bucket name (you can create one in the Supabase Storage section)
BUCKET_NAME = "csvcharts"
async def upload_file_to_supabase(file_path: str, file_name: str, chat_id: str) -> str:
"""
Uploads an image to Supabase Storage and returns the public URL.
Saves the mapping between public_url, chart_name, and chat_id in the database.
"""
if not os.path.exists(file_path):
raise FileNotFoundError(f"The file {file_path} does not exist.")
with open(file_path, "rb") as f:
file_data = f.read()
try:
res = supabase.storage.from_(BUCKET_NAME).upload(file_name, file_data)
print("Upload response:", res)
except Exception as e:
raise Exception(f"Failed to upload file: {e}")
public_url = supabase.storage.from_(BUCKET_NAME).get_public_url(file_name)
print("Public URL:", public_url)
# Save the mapping to the database including chat_id
try:
supabase.table("chart_mappings").insert({
"public_url": public_url,
"chart_name": file_name,
"chat_id": chat_id
}).execute()
except Exception as e:
# Try to delete the uploaded file if DB insertion fails
supabase.storage.from_(BUCKET_NAME).remove([file_name])
raise Exception(f"Failed to save mapping to database: {e}")
return public_url
async def get_chart_name_by_url(public_url: str) -> str:
"""
Retrieves the chart_name using the public_url from the database.
"""
try:
response = supabase.table("chart_mappings").select("chart_name").eq("public_url", public_url).execute()
if response.data:
return response.data[0]["chart_name"]
else:
return None
except Exception as e:
raise Exception(f"Failed to retrieve chart_name: {e}") |