private async Task SendImageToUsers(string imageUrl, List <User> recipients, int displayTime)
{
using (var handler = new ZumoAuthHeaderHandler(AccountService))
{
using (var client = MobileServiceClientFactory.CreateClient(handler))
{
var senderUserId = AccountService.User.Id;
var senderProfileImage = AccountService.User.ProfileImage;
var senderName = AccountService.User.Name;
var timeSent = DateTime.UtcNow;
foreach (var user in recipients)
{
var recipientUserId = user.Id;
var moment = new Moment
{
MomentUrl = imageUrl,
SenderUserId = senderUserId,
SenderName = senderName,
SenderProfileImage = senderProfileImage,
RecipientUserId = recipientUserId,
DisplayTime = displayTime,
TimeSent = timeSent
};
Logger.TrackEvent("MomentShared");
await client.GetTable <Moment>().InsertAsync(moment);
}
}
}
}
public async Task <bool> CreateFriendship(string username)
{
using (var handler = new ZumoAuthHeaderHandler(AccountService))
{
using (var client = MobileServiceClientFactory.CreateClient(handler))
{
var friendUserId = await GetUserId(username);
var userExists = UserExists(friendUserId);
if (!userExists)
{
return(false);
}
var alreadyFriends = await UserIsAlreadyFriend(friendUserId);
if (alreadyFriends)
{
return(false);
}
var friendship = new Friendship
{
UserId = AccountService.User.Id,
FriendId = friendUserId,
Accepted = false
};
await client.GetTable <Friendship>().InsertAsync(friendship);
return(true);
}
}
}
public async Task <bool> AcceptFriendship(User friend)
{
PendingFriends.Remove(friend);
Friends.Add(friend);
using (var handler = new ZumoAuthHeaderHandler(AccountService))
{
using (var client = MobileServiceClientFactory.CreateClient(handler))
{
var existingFriendshipList = await client.GetTable <Friendship>()
.Where(friendship => friendship.UserId == friend.Id)
.Where(friendship => friendship.FriendId == AccountService.Account.UserId).Select(user => user.Id).ToListAsync();
if (existingFriendshipList.Count == 0)
{
return(false);
}
else
{
var friendship = await client.GetTable <Friendship>().LookupAsync(existingFriendshipList[0]);
friendship.Accepted = true;
await client.GetTable <Friendship>().UpdateAsync(friendship);
return(true);
}
}
}
}
public async Task DestroyMoment(Moment moment)
{
using (var handler = new ZumoAuthHeaderHandler(AccountService))
{
using (var client = MobileServiceClientFactory.CreateClient(handler))
{
await client.GetTable <Moment>().DeleteAsync(moment);
}
}
}
private async Task <User> GetCurrentUser()
{
using (var handler = new ZumoAuthHeaderHandler(this))
{
using (var client = MobileServiceClientFactory.CreateClient(handler))
{
return(await client.GetTable <User>().LookupAsync(Account.UserId));
}
}
}
public async Task <List <Moment> > GetMoments()
{
using (var handler = new ZumoAuthHeaderHandler(AccountService))
{
using (var client = MobileServiceClientFactory.CreateClient(handler))
{
var friendships = client.GetTable <Moment>();
var moments = await friendships.CreateQuery().Where(moment => moment.RecipientUserId == AccountService.Account.UserId).Select(moment => moment).ToListAsync();
return(moments.OrderByDescending(moment => moment.TimeSent).ToList());
}
}
}
private async Task <Account> GetCurrentAccount(Account account)
{
using (var handler = new ZumoAuthHeaderHandler(this))
{
using (var client = MobileServiceClientFactory.CreateClient(handler))
{
var currentAccount = await client.GetTable <Account>()
.Where(acct => acct.Username == account.Username)
.Select(acct => acct).ToListAsync();
return(currentAccount[0]);
}
}
}
private async Task <string> FetchSas()
{
using (var handler = new ZumoAuthHeaderHandler(AccountService))
{
using (var client = MobileServiceClientFactory.CreateClient(handler))
{
var dictionary = new Dictionary <string, string>
{
{ "containerName", Config.ContainerName }
};
return(await client.InvokeApiAsync <string>("sas", System.Net.Http.HttpMethod.Get, dictionary));
}
}
}
public async Task AddTestData()
{
using (var handler = new ZumoAuthHeaderHandler())
{
using (var client = MobileServiceClientFactory.CreateClient(handler))
{
var data = new TestData {
DateCreated = DateTime.Now
};
var table = client.GetTable <TestData>();
await table.InsertAsync(data);
}
}
}
public async Task DenyFriendship(User friend)
{
PendingFriends.Remove(friend);
using (var handler = new ZumoAuthHeaderHandler(AccountService))
{
using (var client = MobileServiceClientFactory.CreateClient(handler))
{
var existingFriendshipList = await client.GetTable <Friendship>()
.Where(friendship => friendship.UserId == friend.Id)
.Where(friendship => friendship.FriendId == AccountService.Account.UserId).ToListAsync();
var existingFriendship = existingFriendshipList[0];
await client.GetTable <Friendship>().DeleteAsync(existingFriendship);
}
}
}
public async Task <TestData> GetMostRecentItem()
{
using (var handler = new ZumoAuthHeaderHandler())
{
using (var client = MobileServiceClientFactory.CreateClient(handler))
{
var table = client.GetTable <TestData>();
var query = table.Take(1)
.OrderByDescending(d => d.DateCreated);
var data = await query.ToListAsync();
return(data.First());
}
}
}
public async Task RefreshPendingFriendsList()
{
using (var handler = new ZumoAuthHeaderHandler(AccountService))
{
using (var client = MobileServiceClientFactory.CreateClient(handler))
{
var dictionary = new Dictionary <string, string>
{
{ "getFriends", "false" },
{ "userId", AccountService.Account.UserId }
};
PendingFriends.Clear();
var friends = await client.InvokeApiAsync <List <User> >("friends", System.Net.Http.HttpMethod.Get, dictionary);
var sortedFriends = friends.OrderBy(user => user.Name).ToList();
sortedFriends.ForEach(user => PendingFriends.Add(user));
}
}
}
private async Task <string> GetUserId(string username)
{
using (var handler = new ZumoAuthHeaderHandler(AccountService))
{
using (var client = MobileServiceClientFactory.CreateClient(handler))
{
var userId = await client.GetTable <Account>().Where(account => account.Username == username)
.Select(account => account.UserId).ToListAsync();
if (userId.Count != 0)
{
return(userId[0]);
}
else
{
return(null);
}
}
}
}
public async Task <bool> UserIsAlreadyFriend(string friendUserId)
{
using (var handler = new ZumoAuthHeaderHandler(AccountService))
{
using (var client = MobileServiceClientFactory.CreateClient(handler))
{
var friendships = client.GetTable <Friendship>();
var friend = await friendships.CreateQuery().Where(friendship => friendship.UserId == AccountService.Account.UserId)
.Where(friendship => friendship.FriendId == friendUserId).ToListAsync();
if (friend.Count == 0)
{
return(false);
}
else
{
return(true);
}
}
}
}
