private JsonElement FindElement <T>()
{
string json;
using (StreamReader file = File.OpenText(path))
{
json = file.ReadToEnd();
}
JsonDocument doc = JsonDocument.Parse(json);
if (typeof(T) == classs)
{
return(doc.RootElement);
}
PropertyInfo[] properties = classs.GetProperties();
JsonElement result = default;
foreach (PropertyInfo pi in properties)
{
FindElementnotRecursive <T>(pi, doc.RootElement, ref result);
}
JsonElement d = default;
if (result.Equals(d))
{
throw new ArgumentNullException($"{nameof(result)} is null");
}
return(result);
}
public static StorageCosts FromJson(JsonElement json)
{
if (json.Equals(null))
{
return(null);
}
try
{
double dataStorageCostPerGB = 0;
double writeOperationsCostPerTenThousand = 0;
double readOperationsCostPerTenThousand = 0;
double dataRetrievalCostPerGB = 0;
double dataWriteCostPerGB = 0;
JsonElement token = json.GetProperty("DataStorageCostPerGB");
double.TryParse(token.ToString(), out dataStorageCostPerGB);
token = json.GetProperty("WriteOperationsCostPerTenThousand");
double.TryParse(token.ToString(), out writeOperationsCostPerTenThousand);
token = json.GetProperty("ReadOperationsCostPerTenThousand");
double.TryParse(token.ToString(), out readOperationsCostPerTenThousand);
token = json.GetProperty("DataRetrievalCostPerGB");
double.TryParse(token.ToString(), out dataRetrievalCostPerGB);
token = json.GetProperty("DataWriteCostPerGB");
double.TryParse(token.ToString(), out dataWriteCostPerGB);
return(new StorageCosts(dataStorageCostPerGB, writeOperationsCostPerTenThousand, readOperationsCostPerTenThousand, dataRetrievalCostPerGB, dataWriteCostPerGB));
}
catch (Exception)
{
return(null);
}
}
private void FindElementnotRecursive <T>(PropertyInfo pi, JsonElement parentNode, ref JsonElement result)
{
foreach (var node in parentNode.EnumerateObject())
{
JsonElement doc = default;
if (node.Name == pi.Name && pi.PropertyType == typeof(T) && result.Equals(doc))
{
result = node.Value;
}
}
}
private static bool JsonHasItems(JsonDocument doc)
{
// a JSON array whose entries are items has the "parts" property
// in its entries
JsonElement firstEntry = doc.RootElement.EnumerateArray().FirstOrDefault();
// if empty result really won't matter
if (firstEntry.Equals(default(JsonElement)))
{
return(false);
}
return(firstEntry.TryGetProperty("parts", out JsonElement _));
}
internal static bool EqualsWithStringCoercion(JsonElement value, JsonElement queryValue)
{
if (value.Equals(queryValue))
{
return(true);
}
// Handle comparing an integer with a float
// e.g. Comparing 1 and 1.0
if (value.ValueKind == JsonValueKind.Number && queryValue.ValueKind == JsonValueKind.Number)
{
return(value.GetDouble() == queryValue.GetDouble());
}
if (queryValue.ValueKind != JsonValueKind.String)
{
return(false);
}
return(string.Equals(value.ToString(), queryValue.GetString(), StringComparison.Ordinal));
}