silver-meddlists/creature-bird-dwarf
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smarter compare.

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if one list has something with an oracle id the other doesn't, that means a card was added or removed, update. if the oracle text is updated, update. otherwise, don't.
This commit is contained in:
Adam R. Grey 2021-10-25 21:52:01 -04:00
parent 2630cf799e
commit 10face4c9e
1 changed files with 28 additions and 24 deletions
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48
Program.cs
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@ -39,26 +39,19 @@ namespace creatureBirdDwarf
string responseFromServer = dataStream.ReadToEnd();
OracleIDd = JsonConvert.DeserializeObject<List<Card>>(responseFromServer);
}
stripData(ref OracleIDd);
Console.WriteLine("stripped external (price and edhrec rank) data, writing to file");
File.WriteAllText("./oracle-now.json", JsonConvert.SerializeObject(OracleIDd, Formatting.Indented, new Newtonsoft.Json.Converters.StringEnumConverter()));
var checksumNow = GetChecksum("./oracle-now.json");
Console.WriteLine($"oracled checksum: {checksumNow}");
if (!File.Exists("./oracled.json"))
{
File.CreateText("./oracled.json");
Console.WriteLine("no oracled.json, can't help but assume checksums will be different");
Console.WriteLine("no oracled.json, can't help but assume contents will be different");
}
var checksumOlder = GetChecksum("./oracled.json");
Console.WriteLine($"previous oracled checksum: {checksumOlder}");
if (checksumOlder != checksumNow)
if (needUpdate("./oracled.json", "./oracle-now.json"))
{
Console.WriteLine("looks different, going to have to update.");
Console.WriteLine("scryfall requests 50-100 ms between requests...");
Console.WriteLine("scryfall requests 50-100 ms between requests. Granted I can't imagine it hasn't been that long.");
await Task.Delay(100);
Console.WriteLine("should be good.");
File.Delete("./oracled.json");
@ -71,7 +64,6 @@ namespace creatureBirdDwarf
{
string responseFromServer = dataStream.ReadToEnd();
defaultList = JsonConvert.DeserializeObject<List<Card>>(responseFromServer);
stripData(ref defaultList);
File.WriteAllText("./default.json", JsonConvert.SerializeObject(defaultList, Formatting.Indented, new Newtonsoft.Json.Converters.StringEnumConverter()));
}
}
@ -81,23 +73,35 @@ namespace creatureBirdDwarf
File.Delete("./oracle-now.json");
}
}
private static void stripData(ref List<Card> collection)
public static bool needUpdate(string path1, string path2)
{
foreach (var card in collection)
if(File.Exists(path1) && File.Exists(path2))
{
card.prices = null;
card.edhrec_rank = null;
var lhs = JsonConvert.DeserializeObject<List<Card>>(File.ReadAllText(path1));
var rhs = JsonConvert.DeserializeObject<List<Card>>(File.ReadAllText(path2));
if(lhs == null || rhs == null)
{
return true;
}
foreach(var lhsCard in lhs)
{
var rhsCard = rhs.FirstOrDefault(c => c.oracle_id == lhsCard.oracle_id);
if(rhsCard == null || lhsCard.oracle_text != rhsCard.oracle_text)
{
return true;
}
rhs.Remove(rhsCard);
}
if(rhs.Count() > 0)
{
return true;
}
private static string GetChecksum(string filePath)
return false;
}
else
{
using (var stream = new BufferedStream(File.OpenRead(filePath), 1200000))
{
SHA256Managed sha = new SHA256Managed();
byte[] checksum = sha.ComputeHash(stream);
return BitConverter.ToString(checksum).Replace("-", String.Empty);
return true;
}
}
}