public void NetworkSerializeAndDeserialize()
{
var savedNetwork = new PandaSocialNetwork();
var ivo = new Panda("Ivo", "*****@*****.**", GenderType.Male);
var rado = new Panda("Rado", "*****@*****.**", GenderType.Male);
var tony = new Panda("Tony", "*****@*****.**", GenderType.Female);
savedNetwork.AddPanda(ivo);
savedNetwork.AddPanda(rado);
savedNetwork.AddPanda(tony);
savedNetwork.MakeFriends(ivo, rado);
savedNetwork.MakeFriends(rado, tony);
var pandaSerializer = new PandaSocialNetworkBinarySerializer("unitTest.dat");
pandaSerializer.Save(savedNetwork);
var loadedNetwork = pandaSerializer.Load();
Assert.IsTrue(
savedNetwork.HasPanda(ivo)
== loadedNetwork.HasPanda(ivo)
&& savedNetwork.HasPanda(rado)
== loadedNetwork.HasPanda(rado)
&& savedNetwork.HasPanda(tony)
== loadedNetwork.HasPanda(tony)
&& savedNetwork.HasPanda(new Panda("a", "*****@*****.**", GenderType.Male))
== loadedNetwork.HasPanda(new Panda("a", "*****@*****.**", GenderType.Male))
&& savedNetwork.ConnectionLevel(ivo, rado)
== loadedNetwork.ConnectionLevel(ivo, rado)
&& savedNetwork.ConnectionLevel(ivo, tony)
== loadedNetwork.ConnectionLevel(ivo, tony)
&& savedNetwork.HowManyGenderInNetwork(2, ivo, GenderType.Female)
== loadedNetwork.HowManyGenderInNetwork(2, ivo, GenderType.Female)
);
}
public void IfThereIsPanda()
{
var thereIsPanda = new PandaSocialNetwork();
var panda = new Panda("Kostadin", "*****@*****.**", GenderType.Male);
thereIsPanda.AddPanda(panda);
thereIsPanda.AddPanda(panda);
}
public void IfAlreadyFriends()
{
var alreadyFriends = new PandaSocialNetwork();
var panda1 = new Panda("Orhan", "*****@*****.**", GenderType.Male);
var panda2 = new Panda("Mumun", "*****@*****.**", GenderType.Male);
alreadyFriends.MakeFriends(panda1, panda2);
alreadyFriends.MakeFriends(panda1, panda2);
}
public void AddPanda(Panda panda)
{
if (pandas.ContainsKey(panda))
{
throw new PandaAlreadyThereException();
}
else
{
pandas.Add(panda, new Node(panda));
}
}
public void hasPandaInTheNetwork()
{
var panda = new Panda("Stefan", "*****@*****.**", GenderType.Male);
var network = new PandaSocialNetwork();
bool hasPanda = false;
network.AddPanda(panda);
if (network.HasPanda(panda))
{
hasPanda = true;
}
Assert.IsTrue(hasPanda);
}
public void MakeFriends(Panda panda1, Panda panda2)
{
Node panda1Node, panda2Node;
bool notInNetwork = false;
if (!HasPanda(panda1))
{
panda1Node = new Node(panda1);
pandas.Add(panda1, panda1Node);
notInNetwork = true;
}
else
{
panda1Node = pandas[panda1];
}
if (!HasPanda(panda2))
{
panda2Node = new Node(panda2);
pandas.Add(panda2, panda2Node);
notInNetwork = true;
}
else
{
panda2Node = pandas[panda2];
}
if (notInNetwork)
{
panda1Node.Friends.Add(panda2Node);
panda2Node.Friends.Add(panda1Node);
}
else
{
if (panda1Node.Friends.Contains(panda2Node))
{
throw new PandasAlreadyFriendsException();
}
else
{
panda1Node.Friends.Add(panda2Node);
panda2Node.Friends.Add(panda1Node);
}
}
}
public bool AreFriends(Panda panda1, Panda panda2)
{
if (HasPanda(panda1) && HasPanda(panda2))
{
Node panda1Node = pandas[panda1];
Node panda2Node = pandas[panda2];
if (panda1Node.Friends.Contains(panda2Node))
{
return true;
}
else
{
return false;
}
}
return false;
}
public static void Main()
{
Console.WriteLine("WELCOME TO THE PANDA SOCIAL NETWORK!");
PandaSocialNetwork pandaSocialNetwork = new PandaSocialNetwork();
List<string> help = new List<string>();
help.Add("<--------------!!!----------------->");
help.Add("help: display the useful commands");
help.Add("addPanda: creata a panda and add it to the social network");
help.Add("hasPanda: check if the panda is in the social network");
help.Add("makeFriends: make pandas friends ");
help.Add("areFriends: check if pandas are friends");
help.Add("friendsOf: display the given panda's friends");
help.Add("connectionLevel: display the connection level between pandas");
help.Add("areConnected: check if pandas are connected");
help.Add("how many gender in network: display the number of gender pandas");
help.Add("<--------------!!!----------------->");
Console.WriteLine("Type help to begin!");
do
{
string input = Console.ReadLine();
string[] commands = input.Split(' ');
switch (commands[0])
{
case "help":
Console.WriteLine();
foreach (var helpCommand in help)
{
Console.WriteLine(helpCommand);
}
Console.WriteLine();
break;
case "addPanda":
{
Panda panda = null;
if (commands[3].ToLower() == "male")
{
panda = new Panda(commands[1], commands[2], GenderType.Male);
}
else if (commands[3].ToLower() == "female")
{
panda = new Panda(commands[1], commands[2], GenderType.Female);
}
else
{
throw new ArgumentException("gender must be male or female");
}
pandaSocialNetwork.AddPanda(panda);
break;
}
case "hasPanda":
{
Panda panda = null;
if (commands[3].ToLower() == "male")
{
panda = new Panda(commands[1], commands[2], GenderType.Male);
}
else if (commands[3].ToLower() == "female")
{
panda = new Panda(commands[1], commands[2], GenderType.Female);
}
else
{
throw new ArgumentException("gender must be male or female");
}
Console.WriteLine(pandaSocialNetwork.HasPanda(panda));
break;
}
default:
Console.WriteLine("ERROR: Invalid command!");
break;
}
} while (true);
}
public bool HasPanda(Panda panda)
{
return pandas.ContainsKey(panda);
}
public Node(Panda panda)
{
Panda = panda;
Friends = new HashSet<Node>();
}
public int HowManyGenderInNetwork(int level, Panda panda, GenderType gender)
{
Node pandaNode;
if (HasPanda(panda))
{
pandaNode = pandas[panda];
}
else
{
return -1;
}
HashSet<Node> visited = new HashSet<Node>();
Queue<Node> nodesQueue = new Queue<Node>();
Queue<int> levelQueue = new Queue<int>();
int genderCount = 0;
nodesQueue.Enqueue(pandaNode);
levelQueue.Enqueue(0);
while (nodesQueue.Count > 0)
{
Node curNode = nodesQueue.Dequeue();
int curLevel = levelQueue.Dequeue();
if (curLevel <= level)
{
switch (gender)
{
case GenderType.Male:
{
if (curNode.Panda.IsMale) ++genderCount;
break;
}
case GenderType.Female:
{
if (curNode.Panda.IsFemale) ++genderCount;
break;
}
default:
break;
}
}
if (curLevel == 2)
{
continue;
}
foreach (var friend in curNode.Friends)
{
if (!visited.Contains(friend))
{
visited.Add(friend);
nodesQueue.Enqueue(friend);
levelQueue.Enqueue(curLevel + 1);
}
}
}
return genderCount;
}
public bool AreConnected(Panda panda1, Panda panda2)
{
return ConnectionLevel(panda1, panda2) != -1;
}
public int ConnectionLevel(Panda panda1, Panda panda2)
{
Node panda1Node, panda2Node;
if (HasPanda(panda1) && HasPanda(panda2))
{
panda1Node = pandas[panda1];
panda2Node = pandas[panda2];
}
else
{
return -1;
}
HashSet<Node> visited = new HashSet<Node>();
Queue<Node> nodesQueue = new Queue<Node>();
Queue<int> levelQueue = new Queue<int>();
nodesQueue.Enqueue(panda1Node);
levelQueue.Enqueue(0);
while (nodesQueue.Count > 0)
{
Node curNode = nodesQueue.Dequeue();
int curLevel = levelQueue.Dequeue();
if (curNode.Equals(panda2Node))
{
return curLevel;
}
foreach (var friend in curNode.Friends)
{
if (!visited.Contains(friend))
{
visited.Add(friend);
nodesQueue.Enqueue(friend);
levelQueue.Enqueue(curLevel + 1);
}
}
}
return -1;
}
public List<Panda> FriendsOf(Panda panda)
{
if (HasPanda(panda))
{
return pandas[panda].Friends.Select(x => x.Panda).ToList();
}
else
{
return new List<Panda>();
}
}
public void IfValidName()
{
var validName = new Panda("Pesho", "*****@*****.**", GenderType.Male);
Assert.AreEqual("Pesho", validName.PandaName);
}
public void InvalidEmail()
{
var invalidEmail = new Panda("Goshko","goshkomail.com", GenderType.Male);
Assert.AreEqual(invalidEmail.PandaEmail, "goshkomail.com");
}