internal static async Task <Metadata> LoadMetadata(string storageTableName)
{
var name = $"{storageTableName}-{Metadata}";
var value = await BlazorDBInterop.GetItem(name, false);
return(value != null?Json.Deserialize <Metadata>(value) : null);
}
private static Dictionary <Type, Dictionary <int, SerializedModel> > LoadStringModels(Type contextType,
IEnumerable <PropertyInfo> storageSets)
{
var stringModels = new Dictionary <Type, Dictionary <int, SerializedModel> >();
foreach (var prop in storageSets)
{
var modelType = prop.PropertyType.GetGenericArguments()[0];
var map = new Dictionary <int, SerializedModel>();
var storageTableName = Util.GetStorageTableName(contextType, modelType);
var metadata = StorageManagerUtil.LoadMetadata(storageTableName);
if (metadata == null)
{
continue;
}
foreach (var guid in metadata.Guids)
{
var name = $"{storageTableName}-{guid}";
var serializedModel = BlazorDBInterop.GetItem(name, false);
var id = FindIdInSerializedModel(serializedModel);
map.Add(id, new SerializedModel {
StringModel = serializedModel
});
}
stringModels.Add(modelType, map);
}
return(stringModels);
}
public static Metadata LoadMetadata(string storageTableName)
{
var name = $"{storageTableName}-{METADATA}";
var value = BlazorDBInterop.GetItem(name, false);
return(value != null?JsonUtil.Deserialize <Metadata>(value) : null);
}
private static void DeleteOldModelsFromStorage(Metadata metadata, string storageTableName)
{
foreach (var guid in metadata.Guids)
{
var name = $"{storageTableName}-{guid}";
BlazorDBInterop.RemoveItem(name, false);
}
}
private void SaveMetadata(string storageTableName, List <Guid> guids, Type context, Type modelType)
{
var metadata = new Metadata {
Guids = guids, ContextName = Util.GetFullyQualifiedTypeName(context), ModelName = Util.GetFullyQualifiedTypeName(modelType)
};
var name = $"{storageTableName}-{StorageManagerUtil.METADATA}";
BlazorDBInterop.SetItem(name, JsonUtil.Serialize(metadata), false);
}
private static async void SaveMetadata(string storageTableName, List <Guid> guids, Type context, Type modelType,
Metadata oldMetadata)
{
var metadata = new Metadata
{
Guids = guids,
ContextName = Util.GetFullyQualifiedTypeName(context),
ModelName = Util.GetFullyQualifiedTypeName(modelType),
MaxId = oldMetadata.MaxId
};
var name = $"{storageTableName}-{StorageManagerUtil.Metadata}";
await BlazorDBInterop.SetItem(name, Json.Serialize(metadata), false);
}
private List <Guid> SaveModels(object storageSetValue, Type modelType, string storageTableName, List <PropertyInfo> storageSets)
{
var guids = new List <Guid>();
var storageSetType = StorageManagerUtil.genericStorageSetType.MakeGenericType(modelType);
var method = storageSetType.GetMethod(StorageManagerUtil.GET_ENUMERATOR);
var enumerator = (IEnumerator)method.Invoke(storageSetValue, new object[] { });
while (enumerator.MoveNext())
{
var guid = Guid.NewGuid();
guids.Add(guid);
var model = enumerator.Current;
var name = $"{storageTableName}-{guid}";
var serializedModel = ScanModelForAssociations(model, storageSets, JsonUtil.Serialize(model));
BlazorDBInterop.SetItem(name, serializedModel, false);
}
return(guids);
}