/// <summary>
/// Сохранить черновик.
/// </summary>
/// <param name="data">Данные.</param>
/// <returns>Черновик.</returns>
public async Task SaveDraft(DraftPostingData data)
{
await DbAccessManager.QueueAction(async () =>
{
var db = await CachedDb.Load();
if (db == null)
{
db = new DraftCollection() {Drafts = new Dictionary<Guid, DraftReference>()};
}
db.Drafts[data.Reference.Id] = data.Reference;
var fileName = string.Format("{0}.cache", data.Reference.Id);
var folder = await GetCacheFolder();
var file = await folder.CreateFileAsync(fileName, CreationCollisionOption.OpenIfExists);
await WriteCacheXmlObject(file, folder, data, true);
await CachedDb.SaveSync(db);
return EmptyResult;
});
}
/// <summary>
/// Удалить черновик.
/// </summary>
/// <param name="id">Идентификатор.</param>
/// <returns>Таск.</returns>
public async Task DeleteDraft(Guid id)
{
await DbAccessManager.QueueAction(async () =>
{
var db = await CachedDb.Load();
if (db == null)
{
db = new DraftCollection() {Drafts = new Dictionary<Guid, DraftReference>()};
}
db.Drafts.Remove(id);
var folder = await GetCacheFolder();
var fileName = string.Format("{0}.cache", id);
var file = await folder.GetFileAsync(fileName);
await file.DeleteAsync();
await CachedDb.SaveSync(db);
return EmptyResult;
});
}
/// <summary>
/// Перечислить черновики.
/// </summary>
/// <returns>Черновики.</returns>
public async Task<DraftReference[]> ListDrafts()
{
return (DraftReference[]) await DbAccessManager.QueueAction(async () =>
{
var db = await CachedDb.Load();
if (db == null)
{
db = new DraftCollection() {Drafts = new Dictionary<Guid, DraftReference>()};
}
return db.Drafts.Values.ToArray();
});
}