From 1451011e86dcbcaba2e43013ee86042ad27dc6b5 Mon Sep 17 00:00:00 2001
From: Santo Cariotti <sancn@live.com>
Date: Fri, 21 Jul 2017 11:05:47 +0200
Subject: it accepts only 1 user

---
 lib/app.py          | 12 +++++-------
 lib/classes.py      | 23 ++++++++++-------------
 lib/commands.py     | 17 +++--------------
 lib/listcommands.py |  2 +-
 4 files changed, 19 insertions(+), 35 deletions(-)

diff --git a/lib/app.py b/lib/app.py
index f994863..31fd270 100644
--- a/lib/app.py
+++ b/lib/app.py
@@ -1,4 +1,4 @@
-from classes import PersonalError, Colors, r, s, host, clear
+from classes import PersonalError, Colors, r, clear
 from commands import Commands
 from listcommands import ListCommands
 
@@ -13,16 +13,15 @@ class Stout(Commands):
         if self.user == '':
             return word
         else:
-            return word + Colors.grey + '(' + self.user + ':' + host + ') '
+            return word + Colors.grey + '(' + self.user + ') '
 
     @staticmethod
     def username():
         """
-        if users exists, return username:0.0.0.0, else return an empty string.
-        there is a set into user:HOST with a variable called name
+        if users exists, return username, else return an empty string
         """
-        if r.hget('user:'+host, 'name') is not None:
-            return r.hget('user:'+host, 'name').decode('utf-8') #default is a byte
+        if r.get('user') is not None:
+            return r.get('user').decode('utf-8') #default is a byte
         else:
             return ''
 
@@ -69,5 +68,4 @@ if __name__ == '__main__':
         app.action(cmd)
         r.save()
 
-    s.close()
     clear()
diff --git a/lib/classes.py b/lib/classes.py
index fc04e2d..1a1c876 100644
--- a/lib/classes.py
+++ b/lib/classes.py
@@ -2,9 +2,6 @@ import redis, socket, os
 from config import config as co
 
 r = redis.Redis(host=co['host'], port=co['port'], unix_socket_path=co['unix_socket_path'], db=co['db'])
-s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
-s.connect(('8.8.8.8', 80))
-host = s.getsockname()[0]
 
 def clear():
     """
@@ -15,16 +12,16 @@ def clear():
     except:
         os.system('cls')
 
-def userexist(name):
-    """
-    lista is a list for the set called USERSNAME. check if name is in lista
-    """
-    lista = r.zrange('usersname', 0, -1)
-    for i in lista:
-        if name == i.decode('utf-8'):
-            return True
-        else:
-            return False
+# def userexist(name):
+#     """
+#     lista is a list for the set called USERSNAME. check if name is in lista
+#     """
+#     lista = r.zrange('usersname', 0, -1)
+#     for i in lista:
+#         if name == i.decode('utf-8'):
+#             return True
+#         else:
+#             return False
 
 class PersonalError(Exception):
 
diff --git a/lib/commands.py b/lib/commands.py
index 1b5a5a8..61c3eaf 100644
--- a/lib/commands.py
+++ b/lib/commands.py
@@ -1,4 +1,4 @@
-from classes import userexist, PersonalError, r, host, clear, Colors
+from classes import PersonalError, r, clear, Colors
 from listcommands import ListCommands
 from config import config as co
 
@@ -16,17 +16,12 @@ class Commands(object):
                     if len(cmd[2]) > 10:
                         raise PersonalError('lunghezza maggiore del consetito. Max 10')
 
-                    if userexist(cmd[2]) == True: #check if the user exists
-                        raise PersonalError('questo nome utente esiste già')
-
                     if len(cmd) > ListCommands.info['set'][1]:
                         raise PersonalError(Colors.grey + 'set user' + Colors.red + ' accetta 1 parametro')
 
-                    if self.user != '': r.zrem('usersname', self.user) #if user already exists, del the name from set
 
                     self.user = cmd[2]
-                    r.hset('user:'+host, 'name', self.user) #change name of user:0.0.0.0
-                    r.zadd('usersname', self.user, 0) #insert new name into the set
+                    r.set('user', self.user) #change name of user
 
                     print('Ok')
                 elif cmd[1] is not ListCommands.commands['set']:
@@ -46,19 +41,13 @@ class Commands(object):
                     if cmd[2] == 'user':
                         #if self.user is empty, print 'nil'
                         if self.user != '':
-                            print(r.hget('user:'+host, 'name').decode('utf-8'))
+                            print(r.get('user').decode('utf-8'))
                         else:
                             print('nil')
                     elif cmd[2] not in ListCommands.commands['get'][1]: #check if the word after 'i' exists
                         ListCommands.err('keyword')
                     else:
                         print(co[cmd[2]])
-                elif cmd[1] == 'user?':
-                    #if there are more than 2 word after 'get', the func doens't work
-                    if len(cmd) > 3:
-                        raise PersonalError(Colors.grey + 'get user?' + Colors.red + ' accetta 1 parametro')
-                    #return 1 if the user exists
-                    print((lambda x: '0' if x == False else '1')(userexist(cmd[2])))
                 else:
                     raise KeyError
             except IndexError:
diff --git a/lib/listcommands.py b/lib/listcommands.py
index 6c7ea65..3f4f3ad 100644
--- a/lib/listcommands.py
+++ b/lib/listcommands.py
@@ -16,7 +16,7 @@ class ListCommands(object):
         'quit' : None,
         'clear' : None,
         'set' : ['user'],
-        'get' : ['i', ['user', 'host', 'port', 'unix_socket_path', 'db'], 'user?']
+        'get' : ['i', ['user', 'host', 'port', 'unix_socket_path', 'db']]
     }
 
     @staticmethod
-- 
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