fb marketing api - agency

fb.py

def claim_page_to_business(page: Page, business: Business):
    """
    We claim the page into the business.
    The business is set as agency for the page.
    In case the page is already claimed, we will skip the error,
    as the result we want to achieve is already set.
    """
    try:
        # this adds the business through the page
        params = {
            "business": business["id"],
            "permitted_tasks": [
                Business.PermittedTasks.advertise,
                Business.PermittedTasks.analyze,
                # Business.PermittedTasks.  
            ]
        }
        res = page.create_agency(params=params)


# I worked with the code below, but it didnt work with other users except me.
        # this add the page through the business
#         res = business.create_client_page(
#             None,
#             {
#                 "page_id": page["id"],
#                 "permitted_tasks": [
#                     Business.PermittedTasks.advertise,
#                     Business.PermittedTasks.analyze,
#                 ],
#             },
#         )
    except FacebookRequestError as e:
        if is_page_already_claimed_by_business(e):
            return True
        raise e


def add_system_user_to_page_as_advertiser(page: Page):
    """
    Adding our system user to be able to advertise on behalf of the page.
    """
    system_user_id = get_system_user_id()
    page.create_assigned_user(
        None, {"user": system_user_id, "tasks": [Page.PermittedTasks.advertise]}
    )


def add_page_system_user(access_token):
    fb_api = get_facebook_api(access_token)

    page = Page("me", None, fb_api)
    page.api_get(["id"])

    business_id = get_business_id()
    business = Business(business_id, None, fb_api)

    claim_page_to_business(page, business)
    add_system_user_to_page_as_advertiser(page)