 
import logging
from fastapi import FastAPI, Depends, HTTPException
from fastapi.responses import RedirectResponse
from some_get_request_handler import handle_get_endpoint
from some_post_request_handler import handle_post_endpoint, Data
from facebook_pages_handler import get_facebook_pages
import os

logger = logging.getLogger(__name__)
logging.basicConfig(level=logging.WARNING)

app = FastAPI()

@app.get("/facebook_pages")
def facebook_pages():
    access_token = os.environ['FACEBOOK_ACCESS_TOKEN']
    try:
        pages = get_facebook_pages(access_token)
        return {"pages": pages}
    except HTTPException as e:
        return {"error": str(e)}

@app.get("/", include_in_schema=False)

About this template

An app for fetching a logged-in user's pages using the Facebook API. The permission scope you will need is `pages_manage_metadata`. This app uses the FastAPI to create an endpoint to call the Facebook API for getting a user's pages that they are an admin of. A facebook access token will be needed to make the API call.

Introduction to the Get Facebook Pages List Using API Template

Welcome to the "Get Facebook Pages List Using API" template guide. This template is designed to help you create an application that fetches a list of Facebook Pages that you manage. It's perfect for builders who want to integrate Facebook Page management into their software solutions without delving into the complexities of API calls and server setup. With Lazy, you can deploy this app effortlessly and start managing your Facebook Pages through a simple API.

Clicking Start with this Template

To begin using this template, click on the "Start with this Template" button. This will pre-populate the code in the Lazy Builder interface, so you won't need to copy, paste, or delete any code manually.

Initial setup: Adding Environment Secrets

Before you can use this template, you'll need to set up an environment secret for your Facebook Access Token. This token is necessary for the app to interact with the Facebook API on your behalf.

Go to the Facebook Developer Portal and create an app if you haven't already.
Under the app's settings, navigate to the "Permissions and Tokens" section and generate an access token with the `pages_manage_metadata` permission scope.
Copy the access token provided by Facebook.
In the Lazy Builder interface, go to the Environment Secrets tab.
Create a new secret with the key `FACEBOOK_ACCESS_TOKEN` and paste the access token you copied from Facebook as the value.

Test: Pressing the Test Button

Once you have set up your environment secret, press the "Test" button. This will begin the deployment of your app and launch the Lazy CLI. There is no need for additional user input at this stage, as the app uses the environment secret you provided.

Using the App

After pressing the "Test" button, Lazy will print a dedicated server link that you can use to interact with your app. Since this template uses FastAPI, you will also be provided with a link to the FastAPI documentation at '/docs' where you can test the API endpoints directly.

To fetch the list of Facebook Pages you manage, simply make a GET request to the `/facebook_pages` endpoint using the server link provided by Lazy. The app will return a JSON response with the list of page IDs.

Integrating the App

If you wish to integrate this functionality into another service or frontend, you can use the server link provided by Lazy as the base URL for your API calls. Ensure that you handle the access token securely and only make requests from trusted sources.

For example, if you're building a web dashboard that displays the list of Facebook Pages, you would make an AJAX call to the `/facebook_pages` endpoint and then render the response data in your frontend.

Here's a sample AJAX request you might use in a JavaScript frontend:


fetch('YOUR_LAZY_SERVER_LINK/facebook_pages')
  .then(response => response.json())
  .then(data => {
    console.log(data.pages);
    // Render the pages in your frontend
  })
  .catch(error => console.error('Error fetching Facebook Pages:', error));

Replace 'YOUR_LAZY_SERVER_LINK' with the actual server link provided by Lazy.

And that's it! You now have a fully functional app that can fetch a list of Facebook Pages you manage, all set up and ready to go with just a few clicks and no complex environment configuration. Enjoy building with Lazy!

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