/// <summary>
/// Deletes an object from the json file db
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="model">Object to delete</param>
public void Delete <T>(IJsonDbEntity model)
{
if (model == null)
{
throw new Exception("model cannot be of null value");
}
string newJson = String.Empty;
var fi = GetDataFile <T>();
var json = File.ReadAllText(fi.ToString());
// if the file is empty write out the data
if (!String.IsNullOrEmpty(json))
{
// deserialze json into our collection
var db = JsonConvert.DeserializeObject <List <T> >(json, JsonSerializerSettings);
// cast it to IEntity so we can get by id
var data = db.Cast <IJsonDbEntity>().ToList();
// we delete it
var obj = data.RemoveAll(x => x.Id == model.Id);
// serialize it back
newJson = JsonConvert.SerializeObject(data);
}
// save
SaveData(fi, newJson);
}
/// <summary>
/// Get object by Id
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="id">Object Id</param>
public T Get <T>(int id)
{
var json = File.ReadAllText(GetDataFile <T>().ToString());
var db = JsonConvert.DeserializeObject <List <T> >(json, JsonSerializerSettings);
// cast it to IEntity so we can get by id
var data = db.Cast <IJsonDbEntity>().ToDictionary(x => x.Id, x => x);
// get the object by id
IJsonDbEntity row = null;
var obj = data.TryGetValue(id, out row);
return((T)row);
}
