public static CouchDBDocument ToCouchDBDoc(SiaqodbDocument cobj)
{
var doc = new CouchDBDocument() { _id = cobj.Key, doc = cobj.Content, tags = cobj.Tags };
if (cobj.Version == string.Empty)
doc._rev = null;
else doc._rev = cobj.Version;
return doc;
}
public static BsonDocument ToBsonDoc(SiaqodbDocument cobj)
{
var doc = new BsonDocument();
doc["_id"] = cobj.Key;
doc["_rev"] = BsonTypeMapper.MapToBsonValue(cobj.Version);
doc["doc"] = cobj.Content;
if (cobj.Tags != null)
{
foreach (string tagName in cobj.Tags.Keys)
{
doc[tagName] = BsonTypeMapper.MapToBsonValue(cobj.Tags[tagName]);
}
}
return doc;
}
public async Task<StoreResponse> Store(string bucketName, SiaqodbDocument document)
{
var db = client.GetDatabase(DbName);
var collection = db.GetCollection<BsonDocument>(bucketName);
var newDoc = Mapper.ToBsonDoc(document);
newDoc["_rev"] = this.GenerateNewVersion();
try
{
var result = await collection.ReplaceOneAsync(filter: new BsonDocument { { "_id", document.Key }, { "_rev", BsonTypeMapper.MapToBsonValue(document.Version) } },
options: new UpdateOptions { IsUpsert = true },
replacement: newDoc);
var cnorResponse = new StoreResponse();
cnorResponse.Version = newDoc["_rev"].AsString;
cnorResponse.Key = document.Key;
return cnorResponse;
}
catch (MongoWriteException ex)
{
if (ex.Message.Contains("duplicate key"))//conflict
{
throw new ConflictException("There is a document with the same key and another version already stored");
}
throw ex;
}
}
private async Task StartRebuildViews(MyCouchClient client, SiaqodbDocument crObjForUpdateViews)
{
//force building the index at Store time avoiding to wait on Query time
if (crObjForUpdateViews.Tags != null)
{
foreach (string tagName in crObjForUpdateViews.Tags.Keys)
{
string viewName = "tags_" + tagName;
QueryViewRequest query = new QueryViewRequest(viewName, viewName);
query.Stale = Stale.UpdateAfter;
query.Limit = 1;
var res = await client.Views.QueryAsync(query);
}
}
}
public async Task<StoreResponse> Store(string bucketName, SiaqodbDocument document)
{
using (var client = new MyCouchClient(DbServerUrl, bucketName))
{
await CheckTagsViews(client, bucketName, document.Tags);
CouchDBDocument doc = Mapper.ToCouchDBDoc(document);
var serializedObj = client.Serializer.Serialize<CouchDBDocument>(doc);
var response = await client.Documents.PostAsync(serializedObj);
if (response.IsSuccess)
{
var cnorResponse = new StoreResponse();
cnorResponse.Version = response.Rev;
cnorResponse.Key = response.Id;
await this.StartRebuildViews(client, document);
return cnorResponse;
}
else if (response.StatusCode == System.Net.HttpStatusCode.NotFound)
{
throw new BucketNotFoundException(bucketName);
}
else if (response.StatusCode == System.Net.HttpStatusCode.Conflict)
{
throw new ConflictException(response.Reason);
}
else throw new GenericCouchDBException(response.Reason, response.StatusCode);
}
}
