import os;

def extract_users(file):
    extract = {}
    csv_file = "users.csv"
    for line in file:
        if "/codenjoy-contest/ws?user=" in line:
            start = line.find("=")
            limit = line.find("\\u0026")
            startTime = line.find("\"time\":")
            endTime =line.find("\"}")
            if start < limit and start > 0 and limit > 0 and startTime > 0 and endTime > 0:
                user = line[start+1:limit]
                time = line[startTime+8:endTime]
                extract[user]=time
    try:
        with open(csv_file, 'a') as csvfile:
            for key, value in sorted( extract.items()):
                csvfile.write(str(key)+","+str(value)+"\n")
    except IOError:
        print("I/O error")

def process_logs_at_path(path):
    for file in os.listdir(path):
        if file.endswith(".log"):
            file_to_process = open(path+file, "r")
            extract_users(file_to_process)


process_logs_at_path("/Users/rohitvaidya/Documents/project/GetUserInfo/.idea/")