public static void Save(MessageClass inputItem, ChatListClass inputList)
{
if (AppData.auth.CurrentUser == null)
{
return;
}
object[] itemKeys =
{
"itemName",
"itemTime",
};
object[] itemVals =
{
inputItem.ItemName,
inputItem.ItemTime.ToString(),
};
var itemDict = NSDictionary.FromObjectsAndKeys(itemVals, itemKeys);
AppData.DataNode
.GetChild(inputList.ChatOwner.Uid)
.GetChild(inputList.ChatName)
.GetChild("items")
.GetChild(inputItem.ItemName)
.SetValue <NSDictionary>(itemDict);
}
static NSDictionary ChatToDict(ChatListClass inputList)
{
var allItemsDict = new NSMutableDictionary();
foreach (MessageClass item in inputList.ChatItems)
{
NSMutableDictionary eachItemDict = new NSMutableDictionary();
eachItemDict.SetValueForKey((NSString)item.ItemName, (NSString)"itemName");
eachItemDict.SetValueForKey((NSString)(item.ItemTime.ToString()), (NSString)"itemTime");
allItemsDict.SetValueForKey(eachItemDict, (NSString)item.ItemName);
}
object[] chatOwnerKeys = { "name", "email", "uid" };
object[] chatOwnerValues = { inputList.ChatOwner.Name, inputList.ChatOwner.Email, inputList.ChatOwner.Uid };
var chatOwnerDict = NSDictionary.FromObjectsAndKeys(chatOwnerValues, chatOwnerKeys);
NSMutableDictionary anyChatDataDict = new NSMutableDictionary();
anyChatDataDict.SetValueForKey(allItemsDict, (NSString)"items");
anyChatDataDict.SetValueForKey((NSString)inputList.ChatName, (NSString)"chatName");
anyChatDataDict.SetValueForKey(chatOwnerDict, (NSString)"chatOwner");
if (allItemsDict.Count == 0)
{
anyChatDataDict.Remove((NSString)"items");
}
return(anyChatDataDict);
}
public static void Invite(UIViewController thisView, ChatListClass toChat, string inviteeEmail)
{
UserClass inviteeUser = null;
UserClass inviterUser = AppData.curUser;
String thisChatName = toChat.ChatName;
AppData.UsersNode.ObserveSingleEvent(DataEventType.Value, (snapshot) =>
{
NSEnumerator children = snapshot.Children;
var childSnapShot = children.NextObject() as DataSnapshot;
while (childSnapShot != null)
{
NSDictionary childDict = childSnapShot.GetValue <NSDictionary>();
if (childDict.ValueForKey((NSString)"email").ToString() == inviteeEmail)
{
// user exist
inviteeUser = new UserClass
{
Name = childDict.ValueForKey((NSString)"name").ToString(),
Email = childDict.ValueForKey((NSString)"email").ToString(),
Uid = childDict.ValueForKey((NSString)"uid").ToString()
};
break;
}
childSnapShot = children.NextObject() as DataSnapshot;
}
if (inviteeUser == null)
{
AlertShow.Alert(thisView, "No Such User", "User is not registered with us");
return;
}
String invitationTitle = inviterUser.Uid + "|" + thisChatName;
object[] ownerKeys = { "ownerUid", "ownerEmail", "ownerName" };
object[] ownerVals = { inviterUser.Uid, inviterUser.Email, inviterUser.Name };
var ownerDict = NSDictionary.FromObjectsAndKeys(ownerVals, ownerKeys);
object[] inviteeKeys = { "chatName", "owner" };
object[] inviteeVals = { thisChatName, ownerDict };
var inviteeDict = NSDictionary.FromObjectsAndKeys(inviteeVals, inviteeKeys);
DatabaseReference inviteeNode = AppData.UsersNode.GetChild(inviteeUser.Uid);
inviteeNode.GetChild("myInvitations")
.GetChild(invitationTitle)
.SetValue <NSDictionary>(inviteeDict);
AlertShow.Alert(thisView, "Invitation Sent", "You have successfully invited " + inviteeUser.Name + " to this chat");
});
}
public static void Save(ChatListClass inputList)
{
if (AppData.auth.CurrentUser == null)
{
return;
}
NSDictionary toWriteDict = ChatToDict(inputList);
AppData.DataNode.GetChild(AppData.curUser.Uid).GetChild(inputList.ChatName).SetValue <NSDictionary>(toWriteDict);
}
public static void Delete(ChatListClass inputChat)
{
if (AppData.auth.CurrentUser == null)
{
return;
}
DatabaseReference chatNode = AppData.DataNode.GetChild(inputChat.ChatOwner.Uid).GetChild(inputChat.ChatName);
chatNode.RemoveValue();
}
public static List <ChatListClass> Compare(List <ChatListClass> chatA, List <ChatListClass> chatB)
{
List <ChatListClass> combinedChatsLST = new List <ChatListClass>();
// first, if there is a list in one that is not in other, just copy it
foreach (ChatListClass a in chatA)
{
foreach (ChatListClass anyChat in chatB)
{
if (a.ChatName == anyChat.ChatName)
{
goto ContinueLoop;
}
}
combinedChatsLST.Add(a);
ContinueLoop :;
}
// and the other way around
foreach (ChatListClass b in chatB)
{
foreach (ChatListClass anyList in chatA)
{
if (b.ChatName == anyList.ChatName)
{
goto ContinueLoop;
}
}
combinedChatsLST.Add(b);
ContinueLoop :;
}
// then we remove anyone we have already added
foreach (ChatListClass any in combinedChatsLST)
{
if (chatA.Contains(any))
{
chatA.Remove(any);
}
if (chatB.Contains(any))
{
chatB.Remove(any);
}
}
// now lt's compare the similar lists against each other
foreach (ChatListClass anyChatA in chatA)
{
List <MessageClass> thisListResultItems = new List <MessageClass>();
ChatListClass counterPartList = new ChatListClass();
DateTime combinedTime = DateTime.UtcNow;
// first we find the lists that are similar
foreach (ChatListClass anyChatB in chatB)
{
if (anyChatB.ChatName == anyChatA.ChatName)
{
counterPartList = anyChatB;
break;
}
}
// then we check their items
foreach (MessageClass anyItem in anyChatA.ChatItems)
{
// let's compare items from one list to anothert
foreach (MessageClass counterItem in counterPartList.ChatItems)
{
if (anyItem.ItemName == counterItem.ItemName)
{
// item exists both sides, let's decide which one to add
if (anyItem.ItemTime > counterItem.ItemTime)
{
thisListResultItems.Add(anyItem);
}
else
{
thisListResultItems.Add(counterItem);
}
goto ContinueHere;
}
}
// if we reach here, non of the names have matchedd
thisListResultItems.Add(anyItem);
ContinueHere :;
}
// by now all items of this LIST is resolved, now, let's deal with counter part
foreach (MessageClass anyCounterItem in counterPartList.ChatItems)
{
// let's compare items from counter to the main
foreach (MessageClass anyItem in anyChatA.ChatItems)
{
if (anyCounterItem.ItemName == anyItem.ItemName)
{
// item exists both sides, we have already added that, let's drop out
goto ContinueHere;
}
}
// if we reach here, non of the names have matched
thisListResultItems.Add(anyCounterItem);
ContinueHere :;
}
// this shopping class now contains all of the similar ones and uniques ones
combinedChatsLST.Add(new ChatListClass
{
ChatName = anyChatA.ChatName,
ChatOwner = anyChatA.ChatOwner,
ChatItems = thisListResultItems
});
}
return(combinedChatsLST);
}
public MessagesDataSource(ChatListClass inputList)
{
thisList = inputList;
}
public static async Task Fetch()
{
AppData.invitationsLST = new List <ChatListClass>();
if (AppData.auth.CurrentUser == null)
{
return;
}
bool done = false;
foreach (InvitationClass anyCoord in AppData.invitationsData)
{
string chatName = anyCoord.ChatName;
string ownerUid = anyCoord.ChatOwner.Uid;
AppData.DataNode.GetChild(ownerUid).GetChild(chatName).ObserveSingleEvent(DataEventType.Value, (snapshot) =>
{
var thisChatAllData = snapshot.GetValue <NSDictionary>();
List <MessageClass> itemsInChat = new List <MessageClass>();
if (thisChatAllData.ValueForKey((NSString)"items") != null)
{
if ((thisChatAllData.ValueForKey((NSString)"items")).IsKindOfClass(new ObjCRuntime.Class(typeof(NSDictionary))))
{
NSDictionary itemsOfChatVals = (NSDictionary)NSObject.FromObject(thisChatAllData.ValueForKey((NSString)"items"));
for (int i = 0; i < (int)itemsOfChatVals.Values.Length; i++)
{
NSDictionary eachItemVals = (NSDictionary)NSObject.FromObject(itemsOfChatVals.Values[i]);
var fetchedItemName = (NSString)eachItemVals.ValueForKey((NSString)"itemName");
var fetchedItemCategory = (NSString)eachItemVals.ValueForKey((NSString)"itemCategory");
var fetchedItemTime = (NSString)eachItemVals.ValueForKey((NSString)"itemTime");
itemsInChat.Add(new MessageClass
{
ItemName = fetchedItemName,
ItemTime = DateTime.Parse(fetchedItemTime)
});
}
}
}
ChatListClass thisChat = new ChatListClass
{
ChatName = chatName,
ChatOwner = anyCoord.ChatOwner,
ChatItems = itemsInChat
};
AppData.invitationsLST.Add(thisChat);
done = true;
});
}
while (!done)
{
await Task.Delay(50);
}
}