public async Task <Goetia> GetByIDAsync(int id)
{
Goetia goetia = new Goetia();
try {
List <ScanCondition> conditions = new List <ScanCondition> {
new ScanCondition(nameof(Goetia.ID), ScanOperator.Equal, id)
};
var results = await _Context.ScanAsync <Goetia>(conditions).GetRemainingAsync();
goetia = results.FirstOrDefault();
goetia.Success = true;
} catch (AmazonDynamoDBException e) {
Console.WriteLine(e.Message);
goetia.Success = false;
} catch (AmazonServiceException e) {
Console.WriteLine(e.Message);
goetia.Success = false;
} catch (Exception e) {
Console.WriteLine(e.Message);
goetia.Success = false;
goetia.Message = e.Message;
}
return(goetia);
}
public async Task <bool> SaveAsync(Goetia item)
{
DynamoDBOperationConfig config = new DynamoDBOperationConfig {
IgnoreNullValues = true,
Conversion = DynamoDBEntryConversion.V2 // allows duplicate (this is used for keyword
};
try {
await _Context.SaveAsync(item, config);
return(true);
} catch (Exception ex) {
Console.WriteLine(ex.Message + $" ID: {item.ID}");
return(false);
}
}
private void ParseItemToListViewmodels(Goetia item)
{
// update the list viewmodel
Type type = item.GetType();
BindingFlags flags = BindingFlags.Public | BindingFlags.Instance;
PropertyInfo[] properties = type.GetProperties(flags);
foreach (PropertyInfo property in properties)
{
// excluding Keywords, Direction, ImageURL, BaseModel, ID, Name, Description
if (property.Name != nameof(Goetia.Keywords) && property.Name != nameof(Goetia.Direction) && property.Name != nameof(Goetia.ImageURL) &&
property.Name != nameof(Goetia.Success) && property.Name != nameof(Goetia.Message) && property.Name != nameof(Goetia.ID) && property.Name != nameof(Goetia.Name) &&
property.Name != nameof(Goetia.Description))
{
string name = property.Name;
object propertyValue = property.GetValue(GoetiaItem, null);
if (propertyValue != null)
{
string info = "";
// we're expecting string or list of string
if (propertyValue is string)
{
info = propertyValue as string;
ListViewModels.Add(new GoetiaDetailInformationViewModel($"{name} : ", info));
}
else if (propertyValue is List <string> )
{
List <string> list = propertyValue as List <string>;
if (list.Count > 0)
{
for (int i = 0; i < list.Count; i++)
{
info += list[i];
if (i + 1 < list.Count)
{
info += ", ";
}
}
ListViewModels.Add(new GoetiaDetailInformationViewModel($"{name} : ", info));
}
}
}
}
}
}
public GoetiaDetailContentPage(Goetia goetia)
{
ViewModel.GoetiaItem = goetia;
this.Setup();
UpdateViewAsync();
}
