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# -*- coding: utf-8 -*-
# standard lib modules
import datetime
import hashlib
import os
import sys
import sqlite3
import json
import random
class DBConnection():
def __init__(self, dbname, mainloop):
self.dbname = dbname
self.mainloop = mainloop
self.userid = 1
self.username = ""
db_version = 2
self.connect()
if self.db_connected:
#self.db_fix()
self.c.execute("SELECT count(*) FROM sqlite_master WHERE type='table' AND name = 'admin'")
self.conn.commit()
count = self.c.fetchone()
if count[0] == 0:
print("Thank you for downloading eduActiv8.\nCreating database for storage of game data.")
default_lang = "en_GB"
os_lang = os.environ.get('LANG', '').split('.')
if os_lang[0] in self.mainloop.config.all_lng:
default_lang = os_lang[0][:]
else:
lcount = len(self.mainloop.config.all_lng)
for i in range(lcount):
if os_lang[0][0:2] == self.mainloop.config.all_lng[i][0:2]:
default_lang = self.mainloop.config.all_lng[i]
continue
self.c.execute(
"CREATE TABLE users (username TEXT, password TEXT, date_added TEXT, last_login TEXT, lang TEXT, sounds INTEGER, espeak INTEGER, screenw INTEGER, screenh INTEGER, score INTEGER, scheme INTEGER, age_group INTEGER, colors TEXT)")
self.c.execute("CREATE TABLE levelcursors (userid INTEGER KEY, gameid INTEGER KEY,lastlvl INTEGER)")
# self.c.execute("CREATE TABLE completions (userid integer, constructor text, variant integer, lvl_completed integer)")
self.c.execute(
"CREATE TABLE completions (userid INTEGER KEY, gameid INTEGER KEY, lvl_completed INTEGER, lang_id INTEGER, num_completed INTEGER, age INTEGER)")
# admin data - 1, admin, admin_pass, "en_gb", "00000"
self.c.execute(
"CREATE TABLE admin (admin_id INTEGER KEY, admin_name TEXT, admin_pass TEXT, default_lang TEXT, login_screen_defaults TEXT, autologin_userid INTEGER, autologin INTEGER, db_version INTEGER)")
# self.c.execute("INSERT INTO admin VALUES (?, ?, ?, ?, ?)", (admin_id, admin_name, admin_pass, default_lang, login_screen_defaults, db_version,autologin_userid TEXT,autologin INTEGER))
self.c.execute("INSERT INTO admin VALUES (?, ?, ?, ?, ?, ?, ?, ?)",
(0, "", "", default_lang, "01101", 0, 0, db_version))
self.conn.commit()
self.lang = self.mainloop.lang
self.lang.load_language(lang_code=default_lang)
guest_name = self.lang.b["Guest"]
if sys.version_info < (3, 0):
try:
if not isinstance(guest_name, unicode):
guest_name = unicode(guest_name, "utf-8")
except:
pass
self.add_user(guest_name, "", default_lang, 0, 0, 800, 480)
print("Database successfully created.")
else:
# check the db_version for future updates if database needs to be changed this will be used
# to upgrade the db instead of recreating the db from scratch
self.c.execute("SELECT db_version FROM admin WHERE (admin_id = 0)")
self.conn.commit()
row = self.c.fetchone()
current_db_ver = row[0]
if 0 < current_db_ver < 2:
print("Thanks for downloading the latest version of the game.\nThe database structure has changed in this version.\nUpdating the database to version 2...")
if current_db_ver == 1:
#print("ALTER TABLE users ADD COLUMN colors TEXT")
self.c.execute("ALTER TABLE users ADD COLUMN colors TEXT")
self.c.execute("UPDATE admin SET db_version = ? WHERE (admin_id = 0)", (db_version,))
self.conn.commit()
print("Database updated.")
"""
row = self.c.fetchone()
current_db_ver = row[0]
if 0 < current_db_ver < 4:
print("Database structure changed in this version of the game. Updating the database to version 4.")
if current_db_ver == 1:
self.c.execute("ALTER TABLE admin ADD COLUMN autologin_userid INTEGER DEFAULT 0")
self.c.execute("ALTER TABLE admin ADD COLUMN autologin INTEGER DEFAULT 0")
self.c.execute("ALTER TABLE completions ADD COLUMN lang_id INTEGER DEFAULT 1")
self.c.execute("UPDATE admin SET db_version = ? WHERE (admin_id = 0)", (db_version,))
self.c.execute("ALTER TABLE users ADD COLUMN scheme INTEGER DEFAULT 0")
self.c.execute("UPDATE users SET scheme = 0")
self.conn.commit()
# update db_version
elif current_db_ver == 2:
self.c.execute("ALTER TABLE users ADD COLUMN scheme INTEGER DEFAULT 0")
self.c.execute("UPDATE users SET scheme = 0")
self.c.execute("UPDATE admin SET db_version = ? WHERE (admin_id = 0)", (db_version,))
self.conn.commit()
elif current_db_ver == 3:
self.c.execute("ALTER TABLE completions ADD COLUMN lang_id INTEGER DEFAULT 1")
self.c.execute("UPDATE admin SET db_version = ? WHERE (admin_id = 0)", (db_version,))
self.conn.commit()
"""
"""
#this was already commented out
self.c.execute("UPDATE users SET username = ? WHERE (ROWID=?)", ("Guest", 1))
self.c.execute("SELECT username FROM users WHERE (ROWID=?)", (1,))
self.conn.commit()
row = self.c.fetchone()
name = row[0]
print("Guest username set to: %s" % name)
"""
"""
if 0 < current_db_ver < 4:
print("Database version updated from %d to %d." % (current_db_ver, db_version))
"""
def unset_autologin(self):
if self.db_connected:
self.c.execute("UPDATE admin SET autologin_userid = 0, autologin = 0 WHERE (admin_id = 0)")
self.conn.commit()
def set_autologin(self, userid):
if self.db_connected:
self.c.execute("UPDATE admin SET autologin_userid = ?, autologin = 1 WHERE (admin_id = 0)", (userid,))
self.conn.commit()
def get_autologin(self):
if self.db_connected:
self.c.execute("SELECT autologin_userid, autologin FROM admin WHERE (admin_id = 0)")
self.conn.commit()
row = self.c.fetchone()
if row[1] == 1:
self.userid = row[0]
return row
else:
return None
def admin_exists(self):
if self.db_connected:
self.c.execute("SELECT admin_name, admin_pass FROM admin WHERE (admin_id = 0)")
self.conn.commit()
row = self.c.fetchone()
if row[0] == "" and row[1] == "":
return False
else:
return True
def get_login_defs(self):
if self.db_connected:
self.c.execute("SELECT default_lang, login_screen_defaults FROM admin WHERE (admin_id = 0)")
self.conn.commit()
row = self.c.fetchone()
return row
def get_lang(self):
if self.db_connected:
self.c.execute("SELECT default_lang FROM admin WHERE (admin_id = 0)")
self.conn.commit()
row = self.c.fetchone()
return row[0]
def set_lang(self, lang):
# default_lang
if self.db_connected:
self.c.execute("UPDATE admin SET default_lang = ? WHERE (admin_id = 0)", (lang,))
self.conn.commit()
def add_admin_name(self, admin_name, password):
if self.db_connected:
self.c.execute("SELECT admin_name, admin_pass FROM admin WHERE (admin_id = 0)")
self.conn.commit()
row = self.c.fetchone()
if row[0] == "" and row[1] == "":
m = hashlib.md5()
m.update(password.encode("utf-8"))
md5_password = m.hexdigest()
self.c.execute("UPDATE admin SET admin_name = ?, admin_pass = ? WHERE (admin_id = 0)",
(admin_name, md5_password))
self.conn.commit()
return 0 # "Admin's password has been updated"
else:
return -1 # "ERROR: This operation is not allowed at this point"
return ""
def update_admin_password(self, prev_pass, new_pass):
if self.db_connected:
m = hashlib.md5()
m.update(prev_pass.encode("utf-8"))
md5prev_password = m.hexdigest()
self.c.execute("SELECT admin_name FROM admin WHERE (admin_pass = ?)", (md5prev_password,))
self.conn.commit()
count = self.c.fetchone()
if count is None:
return -1 # "Previous password doesn't seem to be in the database"
else:
m2 = hashlib.md5()
m2.update(new_pass.encode("utf-8"))
md5new_password = m2.hexdigest()
self.c.execute("UPDATE admin SET admin_pass = ? WHERE (admin_pass = ?)",
(md5new_password, md5prev_password))
self.conn.commit()
return 0 # "Admin's password has been updated"
return ""
"""
self.c.execute("CREATE TABLE admin (admin_id INTEGER KEY, admin_name TEXT, admin_pass TEXT, default_lang TEXT, login_screen_defaults TEXT)")
#self.c.execute("INSERT INTO admin VALUES (?, ?, ?, ?, ?)", (admin_id, admin_name, admin_pass, default_lang, login_screen_defaults))
self.c.execute("INSERT INTO admin VALUES (?, ?, ?, ?, ?)", (0, "", "", "en_gb", "01011"))
"""
def update_defaults(self, defs):
if self.db_connected:
self.c.execute("UPDATE admin SET login_screen_defaults = ? WHERE (admin_id = 0)", (defs,))
self.conn.commit()
def get_now(self):
return str(datetime.datetime.now())[:19]
def connect(self):
try:
self.conn = sqlite3.connect(self.dbname)
self.c = self.conn.cursor()
self.db_connected = True
except:
self.db_connected = False
def update_cursor(self, userid, gameid, lastlvl):
if self.db_connected:
self.c.execute("SELECT count(*) FROM levelcursors WHERE (userid = ? AND gameid = ?)", (userid, gameid))
self.conn.commit()
count = self.c.fetchone()
if count[0] == 0:
self.c.execute("INSERT INTO levelcursors VALUES (?, ?, ?)", (userid, gameid, lastlvl))
else:
self.c.execute("UPDATE levelcursors SET lastlvl = ? WHERE (userid=? AND gameid = ?)",
(lastlvl, userid, gameid))
self.conn.commit()
def get_age(self):
if self.mainloop.config.user_age_group < 7:
return self.mainloop.config.user_age_group
else:
return self.mainloop.config.max_age
def get_lang_id(self):
if self.mainloop.m is not None:
if self.mainloop.m.lang_activity:
return self.mainloop.lang.lang_id
else:
return 0
else:
return self.mainloop.lang.lang_id
def db_fix(self):
pass
#self.c.execute("SELECT num_completed FROM completions WHERE (gameid = ?)", (26,))
#self.conn.commit()
#count = self.c.fetchone()
#self.c.execute("DELETE FROM completions WHERE (gameid = ?)", (26,))
#self.conn.commit()
def update_completion(self, userid, gameid, lvl):
if self.db_connected:
age = self.get_age()
lng = self.get_lang_id()
self.c.execute(
"SELECT num_completed FROM completions WHERE (userid = ? AND gameid = ? AND lvl_completed = ? AND lang_id = ? AND age = ?)",
(userid, gameid, lvl, lng, age))
self.conn.commit()
count = self.c.fetchone()
if count is None:
self.c.execute("INSERT INTO completions VALUES (?, ?, ?, ?, ?, ?)",
(userid, gameid, lvl, lng, 1, age))
else:
self.c.execute(
"UPDATE completions SET num_completed = ? WHERE (userid = ? AND gameid = ? AND lang_id = ? AND lvl_completed = ? AND age = ?)",
(count[0] + 1, userid, gameid, lng, lvl, age))
self.conn.commit()
def update_completion_populate_db_heavy_stress_test(self):
"""Used for testing only.
Adds completion records across 250 games with 10 levels completed each in 4 languages for all age groups
for 100 users making the database take over 130MB"""
if self.db_connected:
for lvl in range(1, 11):
for gameid in range(250):
for userid in range(100):
for lng in range(4):
for age in range(7):
self.c.execute("INSERT INTO completions VALUES (?, ?, ?, ?, ?, ?)", (userid, gameid, lvl, lng, random.randint(1, 5), age))
self.conn.commit()
def update_completion_populate_db_light_stress_test(self):
"""Used for testing only. 30 kids across 7 classes - speaking 2 languages."""
if self.db_connected:
for lvl in range(1, 6):
for gameid in range(250):
for userid in range(30):
for lng in range(2):
for age in range(0, 7):
self.c.execute("INSERT INTO completions VALUES (?, ?, ?, ?, ?, ?)", (userid, gameid, lvl, lng, random.randint(1, 5), age))
self.conn.commit()
def update_completion_populate_db_test(self):
"""Used for testing only. Each year go one level higher."""
if self.db_connected:
for age in range(0, 7):
for lvl in range(1, 9):
if lvl < age + 2:
for gameid in range(270):
for userid in range(3):
for lng in range(3):
self.c.execute("INSERT INTO completions VALUES (?, ?, ?, ?, ?, ?)", (userid, gameid, lvl, lng, random.randint(1, 5), age))
self.conn.commit()
def query_completion(self, userid, gameid, lvl, lang_activ=False):
if self.db_connected:
age = self.get_age()
if not lang_activ:
lng = self.get_lang_id()
else:
lng = self.mainloop.lang.lang_id
self.c.execute(
"SELECT num_completed FROM completions WHERE (userid = ? AND gameid = ? AND lang_id = ? AND lvl_completed = ? AND age = ?)",
(userid, gameid, lng, lvl, age))
self.conn.commit()
count = self.c.fetchone()
if count is None:
return 0
else:
return count[0]
def query_completion_all_levels(self, userid, gameid, lang_activ=False):
if self.db_connected:
age = self.get_age()
if not lang_activ:
lng = self.get_lang_id()
else:
lng = self.mainloop.lang.lang_id
self.c.execute(
"SELECT * FROM completions WHERE (userid = ? AND gameid = ? AND lang_id = ? AND age = ?)",
(userid, gameid, lng, age))
self.conn.commit()
#count = self.c.fetchone()
all = self.c.fetchall()
return all
def query_completion_all_ages(self, userid, gameid, lang_activ=False):
if self.db_connected:
if not lang_activ:
lng = self.get_lang_id()
else:
lng = self.mainloop.lang.lang_id
self.c.execute(
"SELECT * FROM completions WHERE (userid = ? AND gameid = ? AND lang_id = ?)",
(userid, gameid, lng))
self.conn.commit()
#count = self.c.fetchone()
all = self.c.fetchall()
return all
def get_completion_count(self, userid):
if self.db_connected:
self.c.execute("SELECT count(*) FROM completions WHERE userid=?", (userid,))
self.conn.commit()
count = self.c.fetchone()
if count is None:
return 0
else:
return count[0]
def completion_book(self, userid, offset=0):
if self.db_connected:
self.c.execute(
"SELECT gameid, lvl_completed, lang_id, num_completed, age FROM completions WHERE (userid = ?) LIMIT 10 OFFSET ?",
(userid, offset))
self.conn.commit()
temp = []
for each in self.c:
temp.append(each)
return temp
def load_all_cursors(self, userid):
if self.db_connected:
self.c.execute("SELECT * FROM levelcursors WHERE (userid = ?)", (userid,))
self.conn.commit()
temp = dict()
for each in self.c:
temp[each[1]] = each[2]
return temp
def load_usernames(self):
if self.db_connected:
self.c.execute("SELECT username FROM users")
self.conn.commit()
temp = []
for each in self.c:
temp.append(each[0])
return temp
def get_user_id(self, username):
if self.db_connected:
self.c.execute("SELECT ROWID FROM users WHERE username = ?", (username,))
self.conn.commit()
row = self.c.fetchone()
if row is not None:
return row[0]
return None
def get_user_score(self, userid):
if self.db_connected:
self.c.execute("SELECT score FROM users WHERE ROWID = ?", (userid,))
self.conn.commit()
row = self.c.fetchone()
if row is not None:
return row[0]
return None
def increase_score(self, userid, points):
if self.db_connected:
prev_score = self.get_user_score(userid)
if prev_score is not None:
if points > 0:
new_score = prev_score + points
self.c.execute("UPDATE users SET score = ? WHERE (ROWID=?)", (new_score, userid))
self.conn.commit()
return new_score
else:
return prev_score
return None
def change_username(self, prev_name, new_name):
if self.db_connected:
uid = self.get_user_id(prev_name)
# check if new username is not taken
uid_new = self.get_user_id(new_name)
if uid_new is None and uid is not None:
self.c.execute("UPDATE users SET username = ? WHERE (ROWID=?)", (new_name, uid))
self.conn.commit()
def load_user_details(self, username):
if self.db_connected:
self.c.execute("SELECT username, date_added, last_login, score FROM users WHERE username = ?", (username,))
self.conn.commit()
count = self.c.fetchone()
return count
def add_user(self, username, password, lang, sounds, espeak, screenw, screenh):
if self.db_connected:
self.c.execute("SELECT count(*) FROM users WHERE username=?", (username,))
self.conn.commit()
count = self.c.fetchone()
m = hashlib.md5()
m.update(password.encode("utf-8"))
md5password = m.hexdigest()
if count[0] == 0:
self.c.execute("INSERT INTO users VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)", (
username, md5password, self.get_now(), "", lang, sounds, espeak, screenw, screenh, 0, 0, 0, ""))
self.conn.commit()
return 0 # "%s added" % username
else:
return -1 # "This user name already exists, please choose a different one"
return ""
def del_user(self, username):
# check if user exists + get user id
if self.db_connected:
self.c.execute("SELECT count(*) FROM users")
self.conn.commit()
count = self.c.fetchall()
if count is not None and count[0][0] > 1:
self.c.execute("SELECT ROWID FROM users WHERE username=?", (username,))
self.conn.commit()
row = self.c.fetchone()
if row is not None:
userid = row[0]
self.c.execute("DELETE FROM levelcursors WHERE userid = ?", (userid,))
self.c.execute("DELETE FROM completions WHERE userid = ?", (userid,))
self.c.execute("DELETE FROM users WHERE username = ?", (username,))
self.conn.commit()
return 0 # "%s deleted from database." % username
return -1
def save_user_settings(self, lang, sounds, espeak, screenw, screenh, scheme):
if self.db_connected:
self.c.execute(
"UPDATE users SET lang = ?, sounds = ?, espeak = ?, screenw = ?, screenh = ?, scheme = ? WHERE (ROWID=?)",
(lang, sounds, espeak, screenw, screenh, scheme, self.userid))
self.conn.commit()
def save_user_lang(self, lang):
if self.db_connected:
self.c.execute("UPDATE users SET lang = ? WHERE (ROWID=?)", (lang, self.userid))
self.conn.commit()
def save_user_colors(self):
if self.db_connected:
self.c.execute("UPDATE users SET colors = ? WHERE (ROWID=?)", (json.dumps(self.mainloop.cl.color_sliders),
self.userid))
self.conn.commit()
def load_user_colors(self):
if self.db_connected:
self.c.execute("SELECT colors FROM users WHERE (ROWID=?)", (self.userid,))
self.conn.commit()
row = self.c.fetchone()
if row[0] is not None and len(row[0]) > 0:
self.mainloop.cl.load_colors(json.loads(row[0]))
else:
self.mainloop.cl.reset_colors()
self.mainloop.cl.create_colors()
def load_user_settings(self, userid):
if self.db_connected:
self.load_user_colors()
self.c.execute("SELECT lang, sounds, espeak, screenw, screenh, scheme FROM users WHERE (ROWID=?)",
(self.userid,))
self.conn.commit()
row = self.c.fetchone()
return row
def update_age_group(self, username, age_group):
if self.db_connected:
# print("updating age_group for user %s to %d" % (username, age_group))
self.c.execute("UPDATE users SET age_group = ? WHERE (username=?)", (age_group, username))
self.conn.commit()
def get_age_group(self, username="", userid=-1):
if self.db_connected:
if username != "":
self.c.execute("SELECT age_group FROM users WHERE (username=?)", (username,))
else:
self.c.execute("SELECT age_group FROM users WHERE (ROWID=?)", (userid,))
self.conn.commit()
row = self.c.fetchone()
if row is None:
return None
else:
return row[0]
def update_user(self, prev_username, prev_password, new_username, new_password):
if self.db_connected:
m = hashlib.md5()
m.update(prev_password.encode("utf-8"))
md5prev_password = m.hexdigest()
self.c.execute("SELECT count(*) FROM users WHERE (username=? AND password=?)",
(prev_username, md5prev_password))
self.conn.commit()
count = self.c.fetchone()
if count[0] == 0:
return -2 # "Nothing to update..."
else:
self.c.execute("SELECT count(*) FROM users WHERE username=?", (new_username,))
self.conn.commit()
count = self.c.fetchone()
if count[0] == 0:
m = hashlib.md5()
m.update(new_password.encode("utf-8"))
md5new_password = m.hexdigest()
self.c.execute("UPDATE users SET username = ? , password = ? WHERE (username=? AND password=?)",
(new_username, md5new_password, prev_username, md5prev_password))
self.conn.commit()
if prev_username != new_username:
return 0 # "%s, your name was updated to %s" % (prev_username, new_username)
if prev_password != new_password:
return 1 # "%s, Your password has been updated" % new_username
else:
return -1 # "This username already exists, please choose a different one"
return ""
def login_user(self, username, password):
if self.db_connected:
m = hashlib.md5()
m.update(password.encode("utf-8"))
md5password = m.hexdigest()
self.c.execute("SELECT ROWID, username FROM users WHERE username=? AND password=?", (username, md5password))
self.conn.commit()
a = self.c.fetchone()
if a is not None:
self.userid = a[0]
self.username = a[1]
self.c.execute("UPDATE users SET last_login = ? WHERE (ROWID=?)", (self.get_now(), self.userid))
self.conn.commit()
return 0 # "Hello %s! You are logged in." % a[1] #(a[1],a[0])
else:
self.userid = -1
return -1 # "This username and password combination doesn't exist."
return ""
def login_auto(self, userid):
if self.db_connected:
self.c.execute("SELECT ROWID, username FROM users WHERE ROWID=?", (userid,))
self.conn.commit()
a = self.c.fetchone()
if a is not None:
self.userid = a[0]
self.username = a[1]
self.c.execute("UPDATE users SET last_login = ? WHERE (ROWID=?)", (self.get_now(), self.userid))
self.conn.commit()
return 0 # "Hello %s! You are logged in." % a[1] #(a[1],a[0])
else:
self.userid = -1
return -1 # "This username doesn't exist."
return ""
def login_user_no_pass(self, username):
if self.db_connected:
self.c.execute("SELECT ROWID, username FROM users WHERE username=?", (username,))
self.conn.commit()
a = self.c.fetchone()
if a is not None:
self.userid = a[0]
self.username = a[1]
self.c.execute("UPDATE users SET last_login = ? WHERE (ROWID=?)", (self.get_now(), self.userid))
self.conn.commit()
return 0 # "Hello %s! You are logged in." % a[1] #(a[1],a[0])
else:
self.userid = -1
return -1 # "This username doesn't exist."
return ""
def login_admin(self, username, password):
if self.db_connected:
m = hashlib.md5()
m.update(password.encode("utf-8"))
md5password = m.hexdigest()
self.c.execute("SELECT ROWID, admin_name FROM admin WHERE admin_name=? AND admin_pass=?",
(username, md5password))
self.conn.commit()
a = self.c.fetchone()
if a is not None:
self.userid = -2
return 0 # "You are logged in."
else:
self.userid = -1
return -1 # "This username and password combination doesn't exist."
return -2
def printlvls(self):
if self.db_connected:
self.c.execute("SELECT * FROM levelcursors")
self.conn.commit()
a = self.c.fetchall()
for each in a:
print(each)
def printcompl(self):
if self.db_connected:
self.c.execute("SELECT * FROM completions")
self.conn.commit()
a = self.c.fetchall()
for each in a:
print(each)
def print_db(self):
if self.db_connected:
self.c.execute("SELECT ROWID, username, password FROM users")
self.conn.commit()
a = self.c.fetchall()
for each in a:
print(each)
def close(self):
if self.db_connected:
self.conn.close()
self.db_connected = False
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