public Task <IEnumerable <PhilatelicItem> > GetPhilatelicItemsAsync(UserIdentity collector, IEnumerable <Guid> itemsToInsure)
{
var path = $"{webRoot}{PersistencePathCreator.GetCollectionSummaryPersistencePath(collector)}";
return(Task.Run(() =>
{
if (!File.Exists(path))
{
return new List <PhilatelicItem>() as IEnumerable <PhilatelicItem>;
}
var result = new List <PhilatelicItem>();
CollectionsSummary summary;
using (var streamReader = new StreamReader(new FileStream(path, FileMode.Open)))
{
summary = JsonConvert.DeserializeObject <CollectionsSummary>(streamReader.ReadToEnd());
};
foreach (var coll in summary.Collections)
{
var persistedCollection = GetCollectionAsync(collector, coll.Id).Result;
result.AddRange(persistedCollection.Items.Where(i => itemsToInsure.Contains(i.Id)));
}
return result;
}));
}
public Task <IEnumerable <ICollectableCollection> > GetCollectionNamesAsync(UserIdentity collector)
{
var path = $"{webRoot}{PersistencePathCreator.GetCollectionSummaryPersistencePath(collector)}";
return(Task.Run(() =>
{
if (!File.Exists(path))
{
return (new List <IPhilatelicCollection>() as IEnumerable <ICollectableCollection>);
}
using (var streamReader = new StreamReader(new FileStream(path, FileMode.Open)))
{
var summary = JsonConvert.DeserializeObject <CollectionsSummary>(streamReader.ReadToEnd());
var result = new List <IPhilatelicCollection>();
foreach (var coll in summary.Collections)
{
result.Add(new PhilatelicCollection {
Id = coll.Id, Title = coll.Title, CollectorId = collector.Id
});
}
return result;
}
}));
}
public Task CreateCollectionAsync(UserIdentity collector, string newCollection)
{
var collection = new PhilatelicCollection {
Id = Guid.NewGuid(), CollectorId = collector.Id, Title = newCollection, Items = new List <PhilatelicItem>()
};
var jsonDocument = JsonConvert.SerializeObject(collection);
var documentName = $"{collection.Id}.json";
var paths = PersistencePathCreator.CreateCollectionDocumentPath(collector, collection.Id, documentName);
var collectionSummaryPath = $"{webRoot}{PersistencePathCreator.GetCollectionSummaryPersistencePath(collector)}";
var directory = $"{webRoot}{paths.DirectoryPath}";
return(Task.Run(() =>
{
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
using (var streamWriter = new StreamWriter(File.Create($"{webRoot}{paths.FilestreamPath}")))
{
streamWriter.Write(jsonDocument);
}
// update colletions summary
CollectionsSummary summary;
if (File.Exists(collectionSummaryPath))
{
using (var streamReader = new StreamReader(new FileStream(collectionSummaryPath, FileMode.Open)))
{
summary = JsonConvert.DeserializeObject <CollectionsSummary>(streamReader.ReadToEnd());
summary.Collections.Add(new ColletionSummary {
Id = collection.Id, Title = collection.Title
});
}
}
else
{
summary = new CollectionsSummary
{
Collector = collector,
Collections = new List <ColletionSummary>
{
new ColletionSummary {
Id = collection.Id, Title = collection.Title
}
}
};
}
using (var streamWriter = new StreamWriter(File.Create(collectionSummaryPath)))
{
streamWriter.Write(JsonConvert.SerializeObject(summary));
}
}));
}
public Task SavePhilatelicItemAsync(UserIdentity collector, Guid collectionId, PhilatelicItem philatelicItem)
{
var path = $"{webRoot}{PersistencePathCreator.GetCollectionPersistencePath(collector, collectionId)}";
PhilatelicCollection collection;
return(Task.Run(() => {
if (!File.Exists(path))
{
throw new Exception("could not find required collection");
}
using (var streamReader = new StreamReader(new FileStream(path, FileMode.Open)))
{
collection = JsonConvert.DeserializeObject <PhilatelicCollection>(streamReader.ReadToEnd());
}
var item = collection.Items.SingleOrDefault(itm => itm.Id == philatelicItem.Id);
if (item == null)
{
// add new item
collection.Items.Add(philatelicItem);
}
else
{
// keep previous scans if no new scans provided
if (!philatelicItem.Scans.Any())
{
philatelicItem.Scans = item.Scans;
}
else
{
foreach (var scan in item.Scans)
{
scanRepository.RemoveScan(collector, collectionId, scan.Image);
}
}
// update existing item
var index = collection.Items.IndexOf(item);
collection.Items.RemoveAt(index);
collection.Items.Insert(index, philatelicItem);
}
using (var streamWriter = new StreamWriter(File.Create(path)))
{
streamWriter.Write(JsonConvert.SerializeObject(collection));
}
}));
}
public Task <IPhilatelicCollection> GetCollectionAsync(UserIdentity collector, Guid collectionId)
{
var path = $"{webRoot}{PersistencePathCreator.GetCollectionPersistencePath(collector, collectionId)}";
return(Task.Run(() =>
{
if (!File.Exists(path))
{
throw new Exception("could not find required collection");
}
using (var streamReader = new StreamReader(new FileStream(path, FileMode.Open)))
{
return JsonConvert.DeserializeObject <PhilatelicCollection>(streamReader.ReadToEnd()) as IPhilatelicCollection;
}
}));
}
public Task RemovePhilatelicItemAsync(UserIdentity collector, Guid collectionId, Guid itemId)
{
var path = $"{webRoot}{PersistencePathCreator.GetCollectionPersistencePath(collector, collectionId)}";
PhilatelicCollection collection;
return(Task.Run(() => {
if (!File.Exists(path))
{
throw new Exception("could not find required collection");
}
using (var streamReader = new StreamReader(new FileStream(path, FileMode.Open)))
{
collection = JsonConvert.DeserializeObject <PhilatelicCollection>(streamReader.ReadToEnd());
}
var item = collection.Items.SingleOrDefault(itm => itm.Id == itemId);
if (item == null)
{
return;
}
foreach (var scan in item.Scans)
{
scanRepository.RemoveScan(collector, collectionId, scan.Image);
}
var index = collection.Items.IndexOf(item);
collection.Items.RemoveAt(index);
using (var streamWriter = new StreamWriter(File.Create(path)))
{
streamWriter.Write(JsonConvert.SerializeObject(collection));
}
}));
}
public async Task <ScanPath> SaveCollectableScan(UserIdentity collector, Guid collectionId, IFormFile scan)
{
var filename = $"{Guid.NewGuid()}.jpg"; //TODO: do not assume file will be a jpg
var paths = PersistencePathCreator.CreateCollectableScanPath(collector, collectionId, filename);
var scanPath = new ScanPath {
Path = paths.PathToPersist
};
var directory = $"{webRoot}{paths.DirectoryPath}";
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
using (var stream = new FileStream($"{webRoot}{paths.FilestreamPath}", FileMode.Create))
{
await scan.CopyToAsync(stream);
};
return(scanPath);
}
