public static async Task Fetch()
{
if (AppData.auth.CurrentUser == null)
{
return;
}
AppData.invitationLists = new List <GroceryListClass>();
foreach (InvitationClass anyInvite in AppData.invitationData)
{
var allItems = await AppData.dataNode.Child(anyInvite.Owner.Uid).Child(anyInvite.Name).Child("Items").OnceAsync <ItemClass>();
List <ItemClass> itemsOfList = new List <ItemClass>();
foreach (FirebaseObject <ItemClass> any in allItems)
{
itemsOfList.Add(any.Object);
}
GroceryListClass thisList = new GroceryListClass
{
Name = anyInvite.Name,
Items = itemsOfList,
Owner = anyInvite.Owner
};
AppData.invitationLists.Add(thisList);
}
}
public static void Save(GroceryListClass inpList)
{
if (AppData.auth.CurrentUser == null)
{
return;
}
var allItemsDict = new Dictionary <string, object> {
};
foreach (ItemClass anyItem in inpList.Items)
{
allItemsDict.Add(anyItem.Name, anyItem);
}
var mainDict = new Dictionary <string, object>
{
{ "Items", allItemsDict },
{ "Name", inpList.Name },
{ "Owner", inpList.Owner }
};
if (allItemsDict.Count == 0)
{
mainDict.Remove("Items");
}
AppData.dataNode
.Child(AppData.currentUser.Uid)
.Child(inpList.Name)
.PutAsync(mainDict);
}
public static void Delete(GroceryListClass inpList)
{
if (AppData.auth.CurrentUser == null)
{
return;
}
else
{
AppData.dataNode.Child(inpList.Owner.Uid).Child(inpList.Name).DeleteAsync();
}
}
public static void Save(ItemClass thisItem, GroceryListClass thisList)
{
if (AppData.auth.CurrentUser == null)
{
return;
}
AppData.dataNode.Child(thisList.Owner.Uid)
.Child(thisList.Name)
.Child("Items")
.Child(thisItem.Name)
.PutAsync(thisItem);
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.ItemsLayout);
InterfaceBuilder();
AppData.GetInstance(this);
int row = this.Intent.Extras.GetInt("row");
curList = AppData.currentLists[row];
listNameTextView.Text = curList.Name;
itemsAdapter = new ItemRowListAdapter(this, curList.Items);
itemsListView.Adapter = itemsAdapter;
}
public static async Task Invite(Activity thisActivity, GroceryListClass toList, string inputEmailAddress)
{
UserClass inviteeUser = null;
UserClass ownerUser = toList.Owner;
var allUserData = await AppData.usersNode.OnceAsync <UserClass>();
foreach (FirebaseObject <UserClass> any in allUserData)
{
if (inputEmailAddress == any.Object.Email)
{
inviteeUser = any.Object;
goto UserExists;
}
}
AlertShow.Show(thisActivity, "No Such User", "The email address you have provided, does not have an account");
return;
UserExists:
InvitationClass thisInvite = new InvitationClass()
{
Name = toList.Name,
Owner = ownerUser
};
//unique userID and the name of the list
string invitationTitle = ownerUser.Uid + "|" + toList.Name;
await AppData.usersNode.Child(inviteeUser.Uid)
.Child("Invitations")
.Child(invitationTitle)
.PutAsync(thisInvite);
AlertShow.Show(thisActivity, "Success", "You have successfully invited " + inviteeUser.Name + " to this List");
}
public static async Task Read()
{
AppData.onlineLists = new List <GroceryListClass>();
if (AppData.auth.CurrentUser == null)
{
return;
}
ChildQuery listsNode = AppData.dataNode.Child(AppData.currentUser.Uid);
var allListsData = await listsNode.OnceAsync <TempGroceryListClass>();
foreach (FirebaseObject <TempGroceryListClass> any in allListsData)
{
List <ItemClass> itemsOfList = new List <ItemClass>();
ChildQuery thisListNode = listsNode.Child(any.Object.Name);
var readItems = await thisListNode.Child("Items").OnceAsync <ItemClass>();
foreach (FirebaseObject <ItemClass> anyItem in readItems)
{
itemsOfList.Add(anyItem.Object);
}
GroceryListClass thisList = new GroceryListClass
{
Name = any.Object.Name,
Items = itemsOfList,
Owner = any.Object.Owner
};
AppData.onlineLists.Add(thisList);
}
}
public static List <GroceryListClass> Compare(List <GroceryListClass> listA, List <GroceryListClass> listB)
{
List <GroceryListClass> combinedListsLST = new List <GroceryListClass>();
//first, if there is a list in one that is not in the other, just copy it
foreach (GroceryListClass a in listA)
{
foreach (GroceryListClass anyList in listB)
{
if (a.Name == anyList.Name)
{
goto ContinueLoop;
}
}
combinedListsLST.Add(a);
ContinueLoop :;
}
foreach (GroceryListClass b in listB)
{
foreach (GroceryListClass anyList in listA)
{
if (b.Name == anyList.Name)
{
goto ContinueLoop;
}
}
combinedListsLST.Add(b);
ContinueLoop :;
}
//if added unique lists, remove them
foreach (GroceryListClass any in combinedListsLST)
{
if (listA.Contains(any))
{
listA.Remove(any);
}
if (listB.Contains(any))
{
listB.Remove(any);
}
}
//comparing similar lists with eachother
foreach (GroceryListClass anyListA in listA)
{
List <ItemClass> thisListResultItems = new List <ItemClass>();
GroceryListClass counterPartList = new GroceryListClass();
DateTime combinedTime = DateTime.UtcNow;
//checking the deleted status
foreach (GroceryListClass anyListB in listB)
{
if (anyListB.Name == anyListA.Name)
{
counterPartList = anyListB;
break;
}
}
//checking the items
foreach (ItemClass anyItem in anyListA.Items)
{
//compare items from one list to another
foreach (ItemClass counterItem in counterPartList.Items)
{
if (anyItem.Name == counterItem.Name)
{
//if item exists both sides, we decide which to add based on the one with the latest timestamp on it
if (DateTime.Parse(anyItem.Time) > DateTime.Parse(counterItem.Time))
{
thisListResultItems.Add(anyItem);
}
else
{
thisListResultItems.Add(counterItem);
}
goto ContinueHere;
}
}
//if this is reached where none of the names have matched we then add the item
thisListResultItems.Add(anyItem);
ContinueHere :;
}
//all items of this list should be done, now for counterpart
foreach (ItemClass anyCounterItem in counterPartList.Items)
{
//compare items from counter to main
foreach (ItemClass anyItem in anyListA.Items)
{
if (anyCounterItem.Name == anyItem.Name)
{
//items exists on both sides, drop out
goto ContinueHere;
}
}
//same again if no item names have matched
thisListResultItems.Add(anyCounterItem);
ContinueHere :;
}
//shopping class cotains all similar and unique lists and items
combinedListsLST.Add(new GroceryListClass
{
Name = anyListA.Name,
Owner = anyListA.Owner,
Items = thisListResultItems
});
}
return(combinedListsLST);
}
