#!/usr/bin/python3
#
# Execute via ctrontab:
#  */10 *  * * * mattermost  /opt/mattermost/mmdel.py


import psycopg2
import os

datadir = "/opt/mattermost/data"
# Try to connect

try:
    conn=psycopg2.connect(database="mattermost", user="mattermost", password="PASSWORD", host="localhost")
except Exception as e:
    print ("I am unable to connect to the database." + str(e))

cur = conn.cursor()
try:
    cur.execute("""SELECT path, posts.deleteat
                FROM fileinfo
                INNER JOIN posts ON fileinfo.postid=posts.id
                WHERE posts.deleteat > 0;""")
except Exception as e:
    print ("Select failed" + str(e))

rows = cur.fetchall()
for row in rows:
    fileName = os.path.join(datadir, row[0])
    if(os.path.isfile(fileName)):
        print ("deleting ", fileName)
        os.remove(fileName)