1 files changed, 123 insertions, 0 deletions
diff --git a/app.py b/app.py
new file mode 100644
index 0000000..736e31a
--- /dev/null
+++ b/app.py
@@ -0,0 +1,123 @@
+import redis
+import sys
+
+r = redis.Redis()
+
+if r.get('iduser') is None:
+	r.set('iduser', '0')
+
+def iduser():
+	try:
+		with open('myid.txt', 'r') as f:
+			iduser = f.read()
+
+	except FileNotFoundError:
+		iduser = ''
+
+	return iduser
+
+def user():
+	if r.hget('user:'+iduser(), 'name') is not None:
+		return r.hget('user:'+iduser(), 'name').decode("utf-8")
+	else:
+		return ''
+
+class Colors(object):
+	red = '\033[91m'
+	yellow = '\033[93m'
+	grey = '\033[90m'
+	black = '\033[0m'
+	bold = '\033[1m'
+
+
+class Command(object):
+	info = {
+		"info" : "this is stout",
+	}
+
+	c_info = {
+		"set" : "set a value",
+	}
+
+	c_commands = ('quit','set', 'get')
+
+	whatdo = {
+		'set' : ['user', 'host'],
+	}
+
+	@staticmethod
+	def err(err):
+		if err == 'keyword':
+			sys.stderr.write(Colors.red + "keyword inesistente\n" + Colors.black)
+		elif err == 'wrong':
+			sys.stderr.write(Colors.red + "sintassi comando errata\n" + Colors.black)
+		else:
+			pass
+
+class Stout(object):
+
+	def __init__(self):
+		self.name = 'stout'
+		self.user = user()
+
+	def getName(self):
+		word = " (" + self.name + ") "
+		if self.user == '':
+			return word
+		else:
+			return word + Colors.grey + "(" + self.user + ") "
+
+	def command(self, what, cmd):
+		if what == 'set':
+			try:
+				if cmd[1] == 'user' and cmd[2] is not None:
+					if self.user == '':
+						new_id = str(int(r.get('iduser').decode("utf-8"))+1)
+						r.incr('iduser')
+					else:
+						new_id = iduser()
+
+					self.user = cmd[2]
+					r.hset('user:'+new_id,'name', self.user)
+
+					with open('myid.txt', 'w') as f:
+						f.write(new_id)
+
+					print("Ok")
+				elif cmd[1] is not Command.whatdo['set']:
+					raise IndexError
+			except IndexError:
+				Command.err('wrong')
+
+	def action(self, cmd):
+		if cmd is None:
+			return None
+		else:
+			cmd = cmd.split()
+			count = len(cmd)
+
+			if count == 1 and cmd[0] not in Command.c_commands:
+				try:
+					print(Command.info[cmd[0]])
+				except KeyError:
+					Command.err('keyword')
+			elif count == 2 and cmd[0] == 'info' and cmd[0] not in Command.c_commands:
+				try:
+					print(Command.c_info[cmd[1]])
+				except KeyError:
+					Command.err('keyword')
+			else:
+				what = cmd[0]
+				if what in Command.c_commands:
+					self.command(what, cmd)
+				else:
+					Command.err('keyword')
+
+if __name__ == '__main__':
+	app = Stout()
+	cmd = ''
+
+	while cmd != 'quit':
+		cmd = input(">" + Colors.yellow + app.getName() + Colors.black)
+		app.action(cmd)
+		r.save()