facebook

from selenium import webdriver
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.common.by import By
from selenium.common.exceptions import TimeoutException

from bs4 import BeautifulSoup
import urllib.request
import math

# defining log in and password variables
usernameStr = "alexb2123@gmail.com"
passwordStr = "2123Constantine"


# Browser

browser = webdriver.Firefox(
            executable_path=r'C:\Users\Alex\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Python 3.7\geckodriver.exe'
        )
browser.get("https://www.facebook.com")

# fill in username
username = browser.find_element_by_id("email")
username.send_keys(usernameStr)

# fill in password
password = browser.find_element_by_id("pass")
password.send_keys(passwordStr)

# sign in to facebook
signInButton = browser.find_element_by_id("loginbutton")
signInButton.click()


#defining variables within the facebook url
class FacebookScraper(object):
    def __init__(self, location, max_price):
        self.location = location
        self.max_price = max_price
        #self.radius = math.trunc((radius/.62137119)+1)
        self.query = query

#defining the facebook url as a whole
        self.url = f"https://wwww.facebook.com/marketplace/{location}/search?query={query}&maxPrice={max_price}"

       # https://www.facebook.com/marketplace/nyc/search?query=books&maxPrice=0&radiusKM=4
      #  https://wwww.facebook.com/marketplace/{location}/search?query={query}&maxPrice={max_price}&radiusKM={radius}

#getting the webdriver
        self.driver = webdriver.Firefox(
            executable_path=r'C:\Users\Alex\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Python 3.7\geckodriver.exe'
        )
        self.delay = 6

#navigating to the facebook url
    def load_facebook_url(self):
        self.driver.get(self.url)
        try:
            wait = WebDriverWait(self.driver, self.delay)
            wait.until(EC.presence_of_element_located((By.ID, "searchform")))
            print("page is ready")
        except TimeoutException:
            print("Loading took too much time")


#exctracting information from facebook
    #def extract_post_titles(self):

     #   all_posts = self.driver.find_elements_by_class_name("result-row")
      #  post_title_list = []
       # for post in all_posts:
        #    print(post.text)
         #   post_title_list.append(post.text)
       # return post_title_list

    #def extract_post_urls(self):
      #  url_list = []
     #   html_page = urllib.request.urlopen(self.url)
      #  soup = BeautifulSoup(html_page, "html.parser")
       # for link in soup.findAll("a", {"class": "result-title hdrlnk"}):
        #    print(link)


#user input variables
location = "nyc"
max_price = "0"
#radius = "2"
query = "books"

#craigslist scraper functions
scraper = FacebookScraper(location, max_price, )
scraper.load_facebook_url()
#scraper.extract_post_titles()
#scraper.extract_post_urls()