public static void BuyMeme(string memeAssetName, int memeQuantity, int memeID, string username)
{
using (UsersDB db = new UsersDB())
{
using (var trans = db.Database.BeginTransaction())
{
try
{
User user = db.Users
.SingleOrDefault(u => u.Username == username);
decimal userCurrency = user.Currency;
MemeEntry currentMeme = db.MemeStash
.SingleOrDefault(u => u.ID == memeID);
decimal memePrice = currentMeme.Price;
decimal totalPrice = memePrice * memeQuantity;
if (userCurrency >= totalPrice && currentMeme.VendorAmount >= memeQuantity && memeQuantity > 0)
{
user.Currency -= totalPrice;
currentMeme.VendorAmount -= memeQuantity;
MemeAsset asset = new MemeAsset {
UserID = user.ID,
MemeID = currentMeme.ID,
Amount = memeQuantity,
AssetName = string.IsNullOrEmpty(memeAssetName) ? "meme_" + currentMeme.ID : memeAssetName
};
var existingAsset = db.MemeOwners
.SingleOrDefault(
a => a.UserID == user.ID &&
a.MemeID == memeID);
if (existingAsset == null)
{
db.MemeOwners.Add(asset);
}
else
{
existingAsset.Amount += memeQuantity;
}
db.SaveChanges();
trans.Commit();
}
}
catch
{
trans.Rollback();
}
}
}
}
private async Task DownloadImageAsync(Post post)
{
string postURL = Convert.ToString(post.Url);
if (post.IsStickied ||
post.IsSelfPost ||
postURL.Contains("reddituploads") ||
postURL.Contains("gfycat") ||
postURL.Contains(".gifv") ||
postURL.Contains(".mp4"))
{
return;
}
string[] splitURL;
if (postURL.Contains("i.redd.it"))
{
splitURL = postURL.Split('/');
int index = splitURL.Length - 1;
string fileName = splitURL[index];
WebClient client = new WebClient();
await client.DownloadFileTaskAsync(post.Url, SavePath + fileName);
decimal basePrice = 10;
decimal price = basePrice * Math.Min(post.Upvotes, 10000) * 1e-2m;
int batch = 50;
var meme = new MemeEntry {
ImagePath = "Memes\\" + fileName,
Price = price,
VendorAmount = batch,
Subreddit = post.Subreddit.Name
};
using (UsersDB db = new UsersDB())
{
var memes = db.MemeStash
.Where(m => m.ImagePath == meme.ImagePath)
.ToList();
if (memes != null)
{
db.MemeStash.Add(meme);
db.SaveChanges();
}
}
}
}
public MemeModel(MemeEntry meme)
{
Meme = meme;
Quantity = 1;
}
