public async Task InsertOrUpdateAsync(IApplicationSettings settings)
{
using (var context = new EFContext())
{
if (settings == null)
throw new ArgumentNullException(nameof(settings));
var oldSettings = await context.ApplicationSettings.SingleOrDefaultAsync();
if (oldSettings != null)
{
oldSettings.VkUserId = settings.VkUserId;
}
else
{
var newSettings = new ApplicationSettings
{
Id = Guid.NewGuid(),
VkUserId = settings.VkUserId
};
context.ApplicationSettings.Add(newSettings);
}
await context.SaveChangesAsync();
}
}
public async Task InsertOrUpdateAsync(IUserInfo userInfo)
{
using (var context = new EFContext())
{
if (userInfo == null)
throw new ArgumentNullException(nameof(userInfo));
var oldUserInfo = await context.UserInfos
.FirstOrDefaultAsync(x => x.VkUserId == userInfo.VkUserId);
if (oldUserInfo != null)
{
oldUserInfo.FirstName = userInfo.FirstName;
oldUserInfo.LastName = userInfo.LastName;
oldUserInfo.Photo100 = userInfo.Photo100;
}
else
{
var newUserInfo = new UserInfo
{
Id = Guid.NewGuid(),
VkUserId = userInfo.VkUserId,
FirstName = userInfo.FirstName,
LastName = userInfo.LastName,
Photo100 = userInfo.Photo100
};
context.UserInfos.Add(newUserInfo);
}
await context.SaveChangesAsync();
}
}
public async Task InsertOrUpdateAsync(IVkSessionInfo sessionInfo)
{
using (var context = new EFContext())
{
if (sessionInfo == null)
throw new ArgumentNullException(nameof(sessionInfo));
var oldSessionInfo = await context.SessionInfo.SingleOrDefaultAsync(x => x.UserId == sessionInfo.UserId);
if (oldSessionInfo != null)
{
oldSessionInfo.AccessToken = sessionInfo.AccessToken;
}
else
{
var newSessionInfo = new VkSessionInfo
{
Id = Guid.NewGuid(),
AccessToken = sessionInfo.AccessToken,
UserId = sessionInfo.UserId
};
context.SessionInfo.Add(newSessionInfo);
}
await context.SaveChangesAsync();
}
}
public async Task InsertOrUpdateAsync(IAvatar avatar)
{
using (var context = new EFContext())
{
if (avatar == null)
throw new ArgumentNullException(nameof(avatar));
var oldAvatar = await context.Avatars
.FirstOrDefaultAsync(x => x.VkUserId == avatar.VkUserId
&& x.VkOwnerId == avatar.VkOwnerId
&& x.Size == avatar.Size);
if (oldAvatar != null)
{
oldAvatar.Url = avatar.Url;
oldAvatar.Content = avatar.Content;
}
else
{
var newAvatar = new Avatar
{
Id = Guid.NewGuid(),
VkUserId = avatar.VkUserId,
VkOwnerId = avatar.VkOwnerId,
Url = avatar.Url,
Content = avatar.Content,
Size = avatar.Size
};
context.Avatars.Add(newAvatar);
}
await context.SaveChangesAsync();
}
}
public async Task InsertOrUpdateOrDeleteAsync(int vkOwnerId, IEnumerable<IFriend> friends)
{
using (var context = new EFContext())
{
if (friends == null)
throw new ArgumentNullException(nameof(friends));
var newFriends = friends
.Where(x => x.VkOwnerId == vkOwnerId)
.ToList();
var duplicatedFriend = newFriends.FirstOrDefault(x => newFriends.Any(y => y.VkId == x.VkId
&& x != y));
if (duplicatedFriend != null)
throw new EFClientException<DuplicatedVkIdExceptionArgs>(
new DuplicatedVkIdExceptionArgs(duplicatedFriend.VkId),
"В списке friends имеются записи, с дублирующимся VkId");
var oldFriends = await context.Friends.Where(x => x.VkOwnerId == vkOwnerId)
.ToListAsync();
var oldFriendVkIds = oldFriends.Select(x => x.VkId).ToArray();
var newFriendVkIds = newFriends.Select(x => x.VkId).ToArray();
var friendsToCreate = (from friendToCreate in newFriends
where !oldFriendVkIds.Contains(friendToCreate.VkId)
select new Friend
{
Id = Guid.NewGuid(),
VkOwnerId = vkOwnerId,
VkId = friendToCreate.VkId,
FirstName = friendToCreate.FirstName,
LastName = friendToCreate.LastName,
Gender = friendToCreate.Gender,
Online = friendToCreate.Online,
Photo50 = friendToCreate.Photo50,
Photo100 = friendToCreate.Photo100
});
var queryToUpdate = (from friendToUpdate in oldFriends
let newFriend = newFriends.FirstOrDefault(x => x.VkId == friendToUpdate.VkId)
where newFriend != null
select new {NewFriend = newFriend, FriendToUpdate = friendToUpdate});
foreach (var item in queryToUpdate)
{
var newFriend = item.NewFriend;
var oldFriend = item.FriendToUpdate;
oldFriend.FirstName = newFriend.FirstName;
oldFriend.LastName = newFriend.LastName;
oldFriend.Online = newFriend.Online;
oldFriend.Photo50 = newFriend.Photo50;
oldFriend.Photo100 = newFriend.Photo100;
oldFriend.Gender = newFriend.Gender;
}
var friendsToDelete = (from friendToDelete in oldFriends
where !newFriendVkIds.Contains(friendToDelete.VkId)
select friendToDelete);
context.Friends.AddRange(friendsToCreate);
context.Friends.RemoveRange(friendsToDelete);
await context.SaveChangesAsync();
}
}
public async Task InsertOrUpdateAsync(int vkOwnerId, AvatarSize size, IEnumerable<IAvatar> avatars)
{
using (var context = new EFContext())
{
if (avatars == null)
throw new ArgumentNullException(nameof(avatars));
var newAvatars = avatars
.Where(x => x.VkOwnerId == vkOwnerId
&& x.Size == size)
.ToList();
var duplicatedAvatar = newAvatars.FirstOrDefault(x => newAvatars
.Any(y => y.VkUserId == x.VkUserId
&& x != y));
if (duplicatedAvatar != null)
throw new EFClientException<DuplicatedVkIdExceptionArgs>(
new DuplicatedVkIdExceptionArgs(duplicatedAvatar.VkUserId),
"В списке avatars имеются записи, с дублирующимся VkUserId");
var oldAvatars = await context.Avatars.Where(x => x.VkOwnerId == vkOwnerId
&& x.Size == size)
.ToListAsync();
var oldAvatarIds = oldAvatars.Select(x => x.VkUserId).ToArray();
var avatarsToCreate = (from avatarToCreate in newAvatars
where !oldAvatarIds.Contains(avatarToCreate.VkUserId)
select new Avatar
{
Id = Guid.NewGuid(),
VkOwnerId = vkOwnerId,
VkUserId = avatarToCreate.VkUserId,
Content = avatarToCreate.Content,
Url = avatarToCreate.Url
});
var queryToUpdate = (from avatarToUpdate in oldAvatars
let newAvatar = newAvatars.FirstOrDefault(x => x.VkUserId == avatarToUpdate.VkUserId)
where newAvatar != null
select new {NewAvatar = newAvatar, AvatarToUpdate = avatarToUpdate});
foreach (var item in queryToUpdate)
{
var newAvatar = item.NewAvatar;
var oldAvatar = item.AvatarToUpdate;
oldAvatar.Url = newAvatar.Url;
oldAvatar.Content = newAvatar.Content;
}
context.Avatars.AddRange(avatarsToCreate);
await context.SaveChangesAsync();
}
}