add delete_user and add to usermanagment

timeTrack.py

@@ -1,9 +1,9 @@
-#!/bin/python3
+#!/usr/bin/env python3
 #########################
 #
 # timeTrack.py
 # by 4nima
-# v.0.5.0
+# v.2.1.5
 #
 #########################
 # simple time tracking with database 
@@ -23,6 +23,9 @@ class TimeTrack:
         self.USERID     = 0
         self.USERNAME   = ''
         self.OLDEVENT   = 2
+        self.CLIENTS    = False
+        self.CATEGORIES = False
+        self.REFERENCES = False
         self.LOGFILE    = 'timetrack.log'
         logging.basicConfig(
             filename=self.LOGFILE,
@@ -34,6 +37,7 @@ class TimeTrack:
         self.load_config()
 
     ## Prepartation
+    #==============
     ### Check OS and clear screen
     def clear_screen(self):
         if os.name == 'posix':
@@ -42,6 +46,44 @@ class TimeTrack:
         else:
             logging.debug('Winwos System detected')
             _ = os.system('cls')
+
+    ### Loads or creates a config file
+    def load_config(self):
+        if os.path.isfile(self.CONFIG):
+            logging.info('Config file was found')
+            try:
+                with open(self.CONFIG) as config_data:
+                    data = json.load(config_data)
+            except ValueError:
+                logging.error('Config file has no valid JSON syntax')
+                print('TimeTrack wird beendet: Fehler in der JSON-Konfig ({})'.format(self.CONFIG))
+                quit()
+            else:
+                logging.info('Config file was loaded successfully')
+                self.USERID     = data['userid']
+                self.OLDEVENT   = data['oldevent']
+                self.CLIENTS    = data['clients']
+                self.CATEGORIES = data['categories']
+                self.REFERENCES = data['references']
+                logging.debug('UserID {} was used'.format(data['userid']))
+                self.set_user()
+
+        else:
+            logging.warning('Config file not found')
+            config = {
+                'default' : 'interactive',
+                'userid' : 1,
+                'oldevent' : 2,
+                'clients' : False,
+                'categories' : False,
+                'references' : False
+            }
+            with open(self.CONFIG, "w") as outfile:
+                json.dump(config, outfile, indent=4, sort_keys=True)
+                logging.info('Config file created successfully')
+
+            #> wenn man keine datei erstellen darf/kann, fällt das skript in einen loop ?
+            self.load_config()
             
     ### Creates a database if none is found
     def db_setup(self):
@@ -56,9 +98,11 @@ class TimeTrack:
                 id INTEGER PRIMARY KEY AUTOINCREMENT,
                 starttime TIMESTAMP NOT NULL,
                 endtime TIMESTAMP NOT NULL,
+                breaktime1 TIMESTAMP,
                 user_id INTEGER NOT NULL,
                 activity TEXT,
-                catrgory_id INTEGER,
+                reference TEXT,
+                category_id INTEGER,
                 client_id INTEGER,
                 lock BOOLEAN
             )
@@ -68,6 +112,7 @@ class TimeTrack:
             CREATE TABLE IF NOT EXISTS active_events (
                 id INTEGER PRIMARY KEY AUTOINCREMENT,
                 starttime TIMESTAMP NOT NULL,
+                breaktime TIMESTAMP,
                 user_id INT NOT NULL
             )
         """)
@@ -95,56 +140,136 @@ class TimeTrack:
             )
         """)
 
-        connect = sqlite3.connect(self.DATABASE)
-        cursor = connect.cursor()
         logging.debug('Create initial database tables')
-        for SQL in sql:
-            try:
-                cursor.execute(SQL)
-            except:
-                logging.error('Table could not be created')
-                logging.debug(SQL)
-                print('TimeTrack wird beendet: Fehler bei Datanbank Setup')
-                quit()
-            else:
-                logging.debug('Table was created successfully or already exists')
-        
-        connect.commit()
-        connect.close()
-
-    ### Loads or creates a config file
-    def load_config(self):
-        if os.path.isfile(self.CONFIG):
-            logging.info('Config file was found')
-            try:
-                with open(self.CONFIG) as config_data:
-                    data = json.load(config_data)
-            except ValueError:
-                logging.error('Config file has no valid JSON syntax')
-                print('TimeTrack wird beendet: Fehler in der JSON-Konfig ({})'.format(self.CONFIG))
-                quit()
-            else:
-                logging.info('Config file was loaded successfully')
-                self.USERID = data['user']
-                self.OLDEVENT = data['oldevent']
-                logging.debug('UserID {} was used'.format(data['user']))
-                self.set_user()
-
+        try:
+            with sqlite3.connect(self.DATABASE, detect_types=sqlite3.PARSE_DECLTYPES | sqlite3.PARSE_COLNAMES) as con:
+                for SQL in sql:
+                    con.execute(SQL)
+        except sqlite3.Error as err:
+            logging.error('Table could not be created')
+            logging.debug(sql)
+            logging.error('SQLError: {}'.format(err))
+            print('TimeTrack wird beendet: Fehler bei Datanbank Setup')
+            quit()
         else:
-            logging.warning('Config file not found')
-            config = {
-                'default' : 'interactive',
-                'user' : 1,
-                'oldevent' : 2
-            }
-            with open(self.CONFIG, "w") as outfile:
-                json.dump(config, outfile, indent=4, sort_keys=True)
-                logging.info('Config file created successfully')
+            logging.debug('Table was created successfully or already exists')
 
-            #> wenn man keine datei erstellen darf/kann, fällt das skript in einen loop ?
-            self.load_config()
+    ### Get an active event based on a user or event ID
+    def get_active_event(self, USERID='', EVENTID=''):
+        if USERID:
+            logging.debug('Search events based on userid: {}'.format(USERID))
+            sql = "SELECT * FROM active_events WHERE user_id = ?"
+            searchdata = [USERID]
+        elif EVENTID:
+            logging.debug('Search event based on eventid: {}'.format(EVENTID))
+            sql = "SELECT * FROM active_events WHERE id = ?"
+            searchdata = [EVENTID]
+        else:
+            sql = "SELECT * FROM active_events"
+            searchdata = False
+            
+        try:
+            with sqlite3.connect(self.DATABASE, detect_types=sqlite3.PARSE_DECLTYPES | sqlite3.PARSE_COLNAMES) as con:
+                cur = con.cursor()
+                if searchdata:
+                    logging.debug('Search event')
+                    cur.execute(sql, searchdata)
+                else:
+                    logging.debug('Get all Events')
+                    cur.execute(sql)
+                eventdata = cur.fetchall()
+        except sqlite3.Error as err:
+            logging.debug(sql)
+            logging.error('SQLError: {}'.format(err))
+            print('Fehler beim auslesen der aktiven Events')
+        else:
+            logging.debug('Events could be read out successfully')
+        
+        con.close()
+        if eventdata == []:
+            logging.debug('No active events found')
+            return 0
+        else:
+            logging.debug('{} events found'.format(len(eventdata)))
+            return eventdata[0]
+
+    ### Get time entries based on various criteria
+    def get_time_entry(self, USERID='', TIMEID='', CATEGORYID='', CLIENTID='', REFERENCE='', STARTTIME='', ENDTIME='', DAY=''):
+        if USERID:
+            logging.debug('Search time entries based on userid: {}'.format(USERID))
+            sql = "SELECT * FROM time_entries WHERE user_id = ?"
+            searchdata = [USERID]
+        elif TIMEID:
+            logging.debug('Search time entrys based on timeid: {}'.format(TIMEID))
+            sql = "SELECT * FROM time_entries WHERE id = ?"
+            searchdata = [TIMEID]
+        elif CATEGORYID:
+            logging.debug('Search time entrys based on categoryid: {}'.format(CATEGORYID))
+            sql = "SELECT * FROM time_entries WHERE category_id = ?"
+            searchdata = [CATEGORYID]
+        elif CLIENTID:
+            logging.debug('Search time entrys based on clientid: {}'.format(CLIENTID))
+            sql = "SELECT * FROM time_entries WHERE client_id = ?"
+            searchdata = [CLIENTID]
+        elif REFERENCE:
+            logging.debug('Search time entrys based on reference: {}'.format(REFERENCE))
+            sql = "SELECT * FROM time_entries WHERE reference = ?"
+            searchdata = [REFERENCE]
+        else:
+            sql = "SELECT * FROM time_entries"
+            searchdata = False
+            
+        try:
+            with sqlite3.connect(self.DATABASE, detect_types=sqlite3.PARSE_DECLTYPES | sqlite3.PARSE_COLNAMES) as con:
+                cur = con.cursor()
+                if searchdata:
+                    logging.debug('Search time entry')
+                    cur.execute(sql, searchdata)
+                else:
+                    logging.debug('Get all time entries')
+                    cur.execute(sql)
+                timedata = cur.fetchall()
+        except sqlite3.Error as err:
+            logging.debug(sql)
+            logging.error('SQLError: {}'.format(err))
+            print('Fehler beim auslesen der Zeiteinträge')
+        else:
+            logging.debug('Time entries could be read out successfully')
+
+        con.close()
+
+        if DAY:
+            logging.debug('Search time entries by date: {}'.format(DAY))
+            tmp = []
+            for entry in timedata:
+                if entry[1].date() == DAY:
+                    tmp.append(entry)
+            timedata = tmp[:]
+        else:
+            tmp = []
+            if STARTTIME:
+                logging.debug('Search time entries by starttime: {}'.format(STARTTIME))
+                for entry in timedata:
+                    if entry[1] > STARTTIME:
+                        tmp.append(entry)
+                timedata = tmp[:]
+                pass
+            tmp = []
+            if ENDTIME:
+                logging.debug('Search time entrie by endtime: {}'.format(ENDTIME))
+                for entry in timedata:
+                    if entry[2] < ENDTIME:
+                        tmp.append(entry)
+                timedata = tmp[:]
+        if timedata == []:
+            logging.debug('No time entries found')
+            return 0
+        else:
+            logging.debug('{} time entries found'.format(len(timedata)))
+            return timedata
 
     ## user handling
+    #===============
     ### Creates a user who does not yet exist
     def create_user(self, USER=''):
         if USER == '':
@@ -160,21 +285,17 @@ class TimeTrack:
 
         logging.debug('Accepted username: {}'.format(username))
 
-        connect = sqlite3.connect(self.DATABASE)
-        cursor = connect.cursor()
-
         sql = "INSERT INTO users ( name ) values ( ? )"
 
         try:
-            cursor.execute(sql, [username])
-        except:
+            with sqlite3.connect(self.DATABASE, detect_types=sqlite3.PARSE_DECLTYPES | sqlite3.PARSE_COLNAMES) as con:
+                con.execute(sql, [username])
+        except sqlite3.Error as err:
             logging.error('User could not be saved in database')
             logging.debug(sql)
+            logging.error('SQLError: {}'.format(err))
         else:
             logging.info('User was saved successfully')
-            connect.commit()
-        
-        connect.close()
 
     ### Outputs existing users from the DB
     def get_users(self, UID=0, NAME=''):
@@ -191,25 +312,23 @@ class TimeTrack:
             data = ''
             sql = "SELECT * FROM users"
         
-        connect = sqlite3.connect(self.DATABASE)
-        cursor = connect.cursor()
-
         try:
-            if data:
-                cursor.execute(sql, [data])
-            else:
-                cursor.execute(sql)
-        except:
+            with sqlite3.connect(self.DATABASE, detect_types=sqlite3.PARSE_DECLTYPES | sqlite3.PARSE_COLNAMES) as con:
+                cur = con.cursor()
+                if data:
+                    cur.execute(sql, [data])
+                else:
+                    cur.execute(sql)
+                data = cur.fetchall()
+        except sqlite3.Error as err:
             logging.error('Could not get user')
             logging.debug(sql)
+            logging.error('SQLError: {}'.format(err))
             print('Fehler beim Zugriff auf die Benutzer Datenbank')
             return 1
         else:
             logging.debug('User database read out successfully')
-            connect.commit()
 
-        data = cursor.fetchall()
-        connect.close()
         return data
 
     ### Defines a user for the session
@@ -226,28 +345,45 @@ class TimeTrack:
         else: 
             self.USERNAME = data[0][1]
 
-    ## Time handling
-    ### Creates an active event if none exists for the user
-    def save_event(self, TIME=datetime.datetime.now()):
-        if not self.get_event(USERID=self.USERID):
-            logging.debug('No active events found for the user: {}'.format(self.USERID))
-            connect = sqlite3.connect(self.DATABASE)
-            cursor = connect.cursor()
-            sql = "INSERT INTO active_events ( starttime, user_id ) VALUES ( ?, ? )"
+    def delete_user(self, UID=False):
+        if not UID:
+            logging.error('no userid passed for deletion')
+        else:
+            logging.debug('Userid {} will be delete'.format(UID))
+            sql = "DELETE FROM users WHERE id = ?"
 
             try:
-                cursor.execute(sql, [TIME, self.USERID])
-            except:
+                with sqlite3.connect(self.DATABASE, detect_types=sqlite3.PARSE_DECLTYPES | sqlite3.PARSE_COLNAMES) as con:
+                    con.execute(sql, [UID])
+            except sqlite3.Error as err:
+                logging.error('User could not be delete from database')
+                logging.debug(sql)
+                logging.error('SQLError: {}'.format(err))
+            else:
+                logging.info('User was delete successfully')
+
+    ## Time handling
+    #===============
+    ### Creates an active event if none exists for the user
+    def save_event(self, TIME=datetime.datetime.now()):
+        if not self.get_active_event(USERID=self.USERID):
+            logging.debug('No active events found for the user: {}'.format(self.USERID))
+
+            sql = "INSERT INTO active_events ( starttime, user_id ) VALUES ( ?, ? )"
+            try:
+                with sqlite3.connect(self.DATABASE, detect_types=sqlite3.PARSE_DECLTYPES | sqlite3.PARSE_COLNAMES) as con:
+                    con.execute(sql, [TIME, self.USERID])
+            except sqlite3.Error as err:
                 logging.error('Event could not be created')
                 logging.debug(sql)
+                logging.error('SQLError: {}'.format(err))
                 print('Event konnte nicht gespeichert werden.')
                 return False
             else:
                 logging.info('Event was created successfully')
-                connect.commit()
-            
-            connect.close()
+
             return True
+
         else:
             logging.warning('Active events found for the user, new event could not be created')
             return False
@@ -267,59 +403,18 @@ class TimeTrack:
             print('Keine angabe was gelöscht werden soll')
             return 0
 
-        connect = sqlite3.connect(self.DATABASE, detect_types=sqlite3.PARSE_DECLTYPES | sqlite3.PARSE_COLNAMES)
-        cursor = connect.cursor()
-
         try:
-            cursor.execute(sql, [data])
-        except:
+            with sqlite3.connect(self.DATABASE, detect_types=sqlite3.PARSE_DECLTYPES | sqlite3.PARSE_COLNAMES) as con:
+                con.execute(sql, [data])
+        except sqlite3.Error as err:
             logging.error('Event could not be deleted')
             logging.debug(sql)
+            logging.error('SQLError: {}'.format(err))
             print('Fehler beim löschen des Events.')
         else:
             logging.debug('Event was successfully deleted')
-            connect.commit()
-        
-        connect.close()
-
-    ### Get an active event based on a user or event ID
-    def get_event(self, ENTRYID='', USERID=''):
-        if not ENTRYID == '':
-            logging.debug('Search event based on eventid: {}'.format(ENTRYID))
-            sql = "SELECT * FROM active_events WHERE id = ?"
-            data = ENTRYID
-        elif not USERID == '':
-            logging.debug('Search events based on userid: {}'.format(USERID))
-            sql = "SELECT * FROM active_events WHERE user_id = ?"
-            data = USERID
-        else:
-            sql = "SELECT * FROM active_events"
-            data = ''
-            
-        connect = sqlite3.connect(self.DATABASE, detect_types=sqlite3.PARSE_DECLTYPES | sqlite3.PARSE_COLNAMES)
-        cursor = connect.cursor()
-        try:
-            if data:
-                logging.debug('Search event')
-                cursor.execute(sql, [data])
-            else:
-                logging.debug('Get all Events')
-                cursor.execute(sql)
-        except:
-            logging.error('Events could not be read')
-            logging.debug(sql)
-            print('Fehler beim auslesen der aktiven Events')
-        else:
-            logging.debug('Events could be read out successfully')
-            data = cursor.fetchall()
-            connect.close()
-            if data == []:
-                logging.debug('No active events found')
-                return 0
-            else:
-                logging.debug('{} events found'.format(len(data)))
-                return data[0]
 
+    ### Checks for existing time entries and creates a new one if none is available.
     def time_start(self, AUTOFORWARD=True):
         self.clear_screen()
         starttime = datetime.datetime.now()
@@ -329,7 +424,7 @@ class TimeTrack:
             if AUTOFORWARD:
                 self.time_stop()
         else:
-            data = self.get_event(USERID=self.USERID)
+            data = self.get_active_event(USERID=self.USERID)
             print('Es existiert bereits ein aktives Event.')
             if (data[1] + datetime.timedelta(hours=self.OLDEVENT)) <= datetime.datetime.now():
                 logging.info('Event exceeds allowed duration')
@@ -347,57 +442,45 @@ class TimeTrack:
                 else:
                     logging.debug('Event younger than 1 day')
                     print('Vergangene Zeit: >{} Stunden'.format(int(elapsed.seconds/3600)))
+ 
+                printtext = [
+                    'Wie soll mit dem Event verfahren werden?',
+                    '[1] fortsetzen',
+                    '[2] löschen',
+                    '[0] abbrechen'
+                ]
+                userinput = self.userchoise(printtext, 3)
+                self.clear_screen()
 
-                userinput = ''
-                while True:
-                    if userinput == "F" or userinput == "f" or userinput == "1" \
-                        or userinput == "L" or userinput == "l" or userinput == "2" \
-                        or userinput == "A" or userinput == "a" or userinput == "3":
-                        break
-                    print('Soll das Event fortgesetzt oder gelöscht werden?')
-                    print('[1/F/f] für fortsetzen')
-                    print('[2/L/l] für löschen')
-                    print('[3/A/a] für abbrechen')
-                    userinput = input('Aktion: ')
-                    logging.debug('User input: {}'.format(userinput))
-                    self.clear_screen()
-
-                if userinput == "F" or userinput == "f" or userinput == "1":
+                if userinput == 1:
                     logging.debug('Event should be continued')
                     self.time_stop()
-                elif userinput == "L" or userinput == "l" or userinput == "2":
+                elif userinput == 2:
                     logging.info('Event should be deleted (eventid: {})'.format(data[0]))
                     self.delete_event(data[0])
                     self.time_start()
-                else:
-                    logging.debug('Terminated by the user')
-                    exit()
             
             else:
                 logging.debug('Event continues (eventid{})'.format(data[0]))
                 print('Event von {} Uhr geladen'.format(data[1].strftime("%H:%M")))
                 self.time_stop()
 
+    ### Stops existing time entries
     def time_stop(self):
-        data = self.get_event(USERID=self.USERID)
+        data = self.get_active_event(USERID=self.USERID)
         logging.debug('Event stop progess is started')
         if data:
             self.clear_screen()
-            userinput = ''
-            while True:
-                if userinput == "B" or userinput == "b" or userinput == "1" \
-                    or userinput == "L" or userinput == "l" or userinput == "2" \
-                    or userinput == "A" or userinput == "a" or userinput == "3":
-                    break
-                print('Event von {} Uhr beenden?'.format(data[1].strftime("%H:%M")))
-                print('[1/B/b] für beenden')
-                print('[2/L/l] für löschen')
-                print('[3/A/a] für abbrechen')
-                userinput = input('Aktion: ')
-                logging.debug('User input: {}'.format(userinput))
-                self.clear_screen()
+            printtext = [
+                'Event von {} Uhr beenden?'.format(data[1].strftime("%H:%M")),
+                '[1] für beenden',
+                '[2] für löschen',
+                '[0] für abbrechen'
+            ]
+            userinput = self.userchoise(printtext, 3)
+            self.clear_screen()
 
-            if userinput == "B" or userinput == "b" or userinput == "1":
+            if userinput == 1:
                 logging.debug('Event is ended')
                 print('Eingabe beenden mittels doppelter Leerzeile.')
                 print('Durchgeführte Tätigkeiten:')
@@ -421,53 +504,156 @@ class TimeTrack:
 
                 endtime = datetime.datetime.now()
                 logging.debug('Event end process start at {}'.format(endtime))
-                connect = sqlite3.connect(self.DATABASE)
-                cursor = connect.cursor()
-                sql = "INSERT INTO time_entries ( starttime, endtime, user_id, activity ) VALUES ( ?, ?, ?, ? )"
 
+                sql = "INSERT INTO time_entries ( starttime, endtime, user_id, activity ) VALUES ( ?, ?, ?, ? )"
                 try:
-                    cursor.execute(sql, [data[1], endtime, self.USERID, action])
-                except:
+                    with sqlite3.connect(self.DATABASE, detect_types=sqlite3.PARSE_DECLTYPES | sqlite3.PARSE_COLNAMES) as con:
+                        con.execute(sql, [data[1], endtime, self.USERID, action])
+                except sqlite3.Error as err:
                     logging.error('Time entry could not be created')
                     logging.debug(sql)
+                    logging.error('SQLError: {}'.format(err))
                     print('Zeiteintrag konnte nicht gespeichert werden.')
                     return False
                 else:
                     logging.info('Time entry was created successfully')
-                    connect.commit()
-                    self.delete_event(data[0])
-                    self.print_time_entry(STARTTIME=data[1], ENDTIME=endtime, ACTIVITY=action)
-                    print('Zeiteintrag wurde gespeichert.')
-                    while True:
-                        if userinput == "J" or userinput == "j" or userinput == "1" \
-                            or userinput == "N" or userinput == "n" or userinput == "2":
-                            break
-                        print('Nächsten Zeiteintrag begrinnen ?')
-                        print('[1/J/j] Ja')
-                        print('[2/N/n] Nein')
-                        userinput = input('Aktion: ')
-                        logging.debug('User input: {}'.format(userinput))
-                        self.clear_screen()
-
-                    if userinput == "J" or userinput == "j" or userinput == "1":
-                        self.time_start()
-                    else:
-                        logging.debug('Terminated by the user')
-                        exit()
-                    
                 
-                connect.close()
+                self.delete_event(data[0])
+                self.clear_screen()
+                self.print_time_entry(STARTTIME=data[1], ENDTIME=endtime, ACTIVITY=action)
+                print('Zeiteintrag wurde gespeichert.')
+                printtext = [
+                    'Nächsten Zeiteintrag beginnen ?',
+                    '[1] Ja',
+                    '[0] Nein'
+                ]
+                userinput = self.userchoise(printtext)
+                self.clear_screen()
 
-            elif userinput == "L" or userinput == "l" or userinput == "2":
+                if userinput == 1:
+                    self.time_start()
+
+            elif userinput == 2:
                 logging.info('Event should be deleted (eventid: {})'.format(data[0]))
                 self.delete_event(data[0])
-            else:
-                logging.debug('Terminated by the user')
-                exit()
 
-    def get_time(self):
-        pass
+    ## Interactive mode
+    #==================
+    ### Main menu of the interactive menu
+    def start_interactive_mode(self):
+        self.clear_screen()
+        printtext = [
+            '=> Hauptmenü - Angemeldet als {}'.format(self.USERNAME),
+            'Was willst du tun?',
+            '[1] Zeiterfassung starten',
+            '[2] heutiger Report',
+            '[3] Benutzerverwaltung',
+            '[0] Programm verlassen'
+        ]
+        userinput = self.userchoise(printtext, 4)
 
+        if userinput == 1:
+            logging.debug('Start TimeTrack')
+            self.time_start()
+        elif userinput == 2:
+            logging.info('Print todays report')
+            self.report_by_day(DETAIL=True)
+            input()
+        elif userinput == 3:
+            self.interactive_usermanagment()
+        elif userinput == 4:
+            print('commig soon ...')
+            input()
+        else:
+            exit()
+        self.start_interactive_mode()
+    
+    def interactive_usermanagment(self):
+        self.clear_screen()
+        printtext = [
+            '==> Benutzerverwaltung - Angemeldet als {}'.format(self.USERNAME),
+            'Was willst du tun?',
+            '[1] Benutzer anlegen',
+            '[2] Benutzer wechseln',
+            '[3] Benutzer löschen',
+            '[0] abbrechen'
+        ]
+        userinput = self.userchoise(printtext, 4)
+
+        if userinput == 1:
+            self.create_user()
+        elif userinput == 2:
+            users = self.get_users()
+            printtext = ['Wähle deinen User:']
+            count = 1
+            for user in users:
+                printtext.append('[{}] {}'.format(count, user[1]))
+                count += 1
+            
+            printtext.append('[0] abbrechen')
+            userid = self.userchoise(printtext, count)
+            self.USERID = users[userid - 1][0]
+            self.set_user()
+        elif userinput == 3:
+            users = self.get_users()
+            printtext = ['Welcher User soll gelöscht werden?:']
+            count = 1
+            for user in users:
+                printtext.append('[{}] {}'.format(count, user[1]))
+                count += 1
+            
+            printtext.append('[0] abbrechen')
+            userid = self.userchoise(printtext, count)
+            self.delete_user(users[userid - 1][0])
+            pass
+
+    ## Reports
+    #=========
+    ### One day report, optionally with time entries
+    def report_by_day(self, DATE=datetime.date.today(), USER='', DETAIL=''):
+        if not USER: 
+            USER = self.USERID
+        timedata = self.get_time_entry(DAY=DATE, USERID=USER)
+        
+        STARTTIMES  = []
+        ENDTIMES    = []
+        DURATIONS   = []
+
+        for entry in timedata:
+            STARTTIMES.append(entry[1])
+            ENDTIMES.append(entry[2])
+            DURATIONS.append(entry[2] - entry[1])
+
+        if timedata:
+            FIRSTSTARTTIME  = min(STARTTIMES)
+            LASTENDTIME     = max(ENDTIMES)
+            TRACKEDTIMESPAN = (LASTENDTIME - FIRSTSTARTTIME)
+            TRACKEDTIME     = sum(DURATIONS, datetime.timedelta())
+            NONTRACKEDTIME  = (TRACKEDTIMESPAN - TRACKEDTIME)
+            ENTRIECOUNT     = len(timedata)
+            
+            self.clear_screen()
+            text = "{:40} {}"
+            print(text.format("Beginn des ersten Zeiteintrags:", FIRSTSTARTTIME.strftime('%d.%m.%Y %H:%M')))
+            print(text.format("Ende des letzen Zeiteintrags:", LASTENDTIME.strftime('%d.%m.%Y %H:%M')))
+            print(text.format("Maximal erfassbare Zeit:", self.timedela_to_string(TRACKEDTIMESPAN)))
+            print(text.format("Nicht erfasste Zeit:", self.timedela_to_string(NONTRACKEDTIME)))
+            print(text.format("Erfasste Zeit:", self.timedela_to_string(TRACKEDTIME)))
+            print(text.format("Zeiteinträge:", ENTRIECOUNT))
+
+            printtext = [
+                'Zeiteinträge anzeigen?',
+                '[1] Ja',
+                '[0] Nein'
+            ]
+            userinput = self.userchoise(printtext)
+            if userinput == 1:
+                for entry in timedata:
+                    self.print_time_entry(entry[1], entry[2], entry[4])
+
+    ## Outputs
+    #=========
+    ### Shows a time entry
     def print_time_entry(self, STARTTIME='', ENDTIME='', ACTIVITY=''):
         s = (ENDTIME - STARTTIME).seconds
         hours, remainder = divmod(s, 3600)
@@ -482,8 +668,33 @@ class TimeTrack:
             print(ACTIVITY)
         print(50*"-")
 
+    ## Miscellaneous
+    #===============
+    ### User selection
+    def userchoise(self, TEXT='', MAX=2):
+        userinput = -1
+        while not -1 < int(userinput) < MAX:
+            for text in TEXT:
+                print(text)
+            userinput = input('Aktion: ')
+            logging.debug('User input: {}'.format(userinput))
+            try:
+                int(userinput)
+            except ValueError:
+                userinput = -1
+            else:
+                self.clear_screen()
+        return int(userinput)
 
+    ### Conversion to string of Timedelta typ
+    def timedela_to_string(self, TIME):
+        s = TIME.seconds
+        hours, remainder = divmod(s, 3600)
+        minutes, seconds = divmod(remainder, 60)
+        output = '{:02}:{:02}:{:02}'.format(int(hours), int(minutes), int(seconds))
+        return output
+  
 
-
-test = TimeTrack()
-test.time_start()
+if __name__ == "__main__":
+    test = TimeTrack()
+    test.start_interactive_mode()