public virtual async Task <ContinuousChangesResponse> GetAsync(GetChangesRequest request, Action <string> onRead, CancellationToken cancellationToken)
{
Ensure.That(request, "request").IsNotNull();
Ensure.That(onRead, "onRead").IsNotNull();
if (!request.Feed.HasValue || request.Feed != ChangesFeed.Continuous)
{
throw new ArgumentException(ExceptionStrings.GetContinuousChangesInvalidFeed, "request");
}
using (var httpRequest = HttpRequestFactory.Create(request))
{
using (var httpResponse = await SendAsync(httpRequest, HttpCompletionOption.ResponseHeadersRead, cancellationToken).ForAwait())
{
var response = ContinuousChangesResponseFactory.Create(httpResponse);
if (response.IsSuccess)
{
using (var content = await httpResponse.Content.ReadAsStreamAsync().ForAwait())
{
using (var reader = new StreamReader(content, MyCouchRuntime.DefaultEncoding))
{
while (!cancellationToken.IsCancellationRequested && !reader.EndOfStream)
{
cancellationToken.ThrowIfCancellationRequested();
onRead(reader.ReadLine());
}
}
}
}
return(response);
}
}
}
public virtual async Task <ContinuousChangesResponse> GetAsync(GetChangesRequest request, Func <string, Task> onRead, CancellationToken cancellationToken)
{
var httpRequest = ContinuousHttpRequestFactory.Create(request);
using (var httpResponse = await SendAsync(httpRequest, HttpCompletionOption.ResponseHeadersRead, cancellationToken).ForAwait())
{
var response = await ContinuousChangesResponseFactory.CreateAsync(httpResponse).ForAwait();
if (response.IsSuccess)
{
using (var content = await httpResponse.Content.ReadAsStreamAsync().ForAwait())
{
using (var reader = new StreamReader(content, MyCouchRuntime.DefaultEncoding))
{
while (!cancellationToken.IsCancellationRequested && !reader.EndOfStream)
{
//cancellationToken.ThrowIfCancellationRequested();
if (!cancellationToken.IsCancellationRequested)
{
await onRead(reader.ReadLine()).ForAwait();
}
}
}
}
}
return(response);
}
}
public virtual HttpRequest Create(GetChangesRequest request)
{
Ensure.Any.IsNotNull(request, nameof(request));
return(new HttpRequest(HttpMethod.Get, GenerateRelativeUrl(request))
.SetRequestTypeHeader(request.GetType()));
}
public virtual void When_getting_Continuous_changes_via_callback_and_performing_three_changes_It_will_extract_three_changes()
{
var lastSequence = GetLastSequence();
var changesRequest = new GetChangesRequest {
Feed = ChangesFeed.Continuous, Since = lastSequence
};
var numOfChanges = 0;
const int expectedNumOfChanges = 3;
var cancellation = new CancellationTokenSource();
var changes = SUT.GetAsync(changesRequest, data =>
{
Interlocked.Increment(ref numOfChanges);
if (numOfChanges == expectedNumOfChanges)
{
cancellation.Cancel();
}
}, cancellation.Token);
var postOfDoc = DbClient.Documents.PostAsync(ClientTestData.Artists.Artist1Json).Result;
var putOfDoc = DbClient.Documents.PutAsync(postOfDoc.Id, postOfDoc.Rev, ClientTestData.Artists.Artist1Json).Result;
var deleteOfDoc = DbClient.Documents.DeleteAsync(putOfDoc.Id, putOfDoc.Rev).Result;
var response = changes.Result;
response.IsSuccess.Should().BeTrue();
}
public virtual IObservable <string> ObserveContinuous(GetChangesRequest request, CancellationToken cancellationToken)
{
var httpRequest = ContinuousHttpRequestFactory.Create(request);
var ob = new MyObservable <string>();
Task.Factory.StartNew(async() =>
{
using (var httpResponse = await SendAsync(httpRequest, HttpCompletionOption.ResponseHeadersRead, cancellationToken).ForAwait())
{
var response = await ContinuousChangesResponseFactory.CreateAsync(httpResponse).ForAwait();
if (response.IsSuccess)
{
using (var content = await httpResponse.Content.ReadAsStreamAsync().ForAwait())
{
using (var reader = new StreamReader(content, MyCouchRuntime.DefaultEncoding))
{
while (!cancellationToken.IsCancellationRequested && !reader.EndOfStream)
{
//cancellationToken.ThrowIfCancellationRequested();
if (!cancellationToken.IsCancellationRequested)
{
ob.Notify(reader.ReadLine());
}
}
ob.Complete();
}
}
}
}
}, cancellationToken).ForAwait();
return(ob);
}
protected virtual void EnsureContinuousFeedIsRequested(GetChangesRequest request)
{
if (request.Feed.HasValue && request.Feed != ChangesFeed.Continuous)
{
throw new ArgumentException(ExceptionStrings.GetContinuousChangesInvalidFeed, "request");
}
}
public virtual void When_getting_Continuous_changes_via_observable_and_performing_three_changes_It_will_extract_three_changes()
{
var lastSequence = GetLastSequence();
var changesRequest = new GetChangesRequest {
Feed = ChangesFeed.Continuous, Since = lastSequence
};
var numOfChanges = 0;
const int expectedNumOfChanges = 3;
var cancellation = new CancellationTokenSource();
var changes = SUT.ObserveContinuous(changesRequest, cancellation.Token).ForEachAsync((d, i) =>
{
Interlocked.Increment(ref numOfChanges);
if (numOfChanges >= expectedNumOfChanges)
{
cancellation.Cancel();
}
});
var postOfDoc = DbClient.Documents.PostAsync(ClientTestData.Artists.Artist1Json).Result;
var putOfDoc = DbClient.Documents.PutAsync(postOfDoc.Id, postOfDoc.Rev, ClientTestData.Artists.Artist1Json).Result;
var deleteOfDoc = DbClient.Documents.DeleteAsync(putOfDoc.Id, putOfDoc.Rev).Result;
changes.Wait();
}
/// <summary>
/// Returns all configured options of <see cref="GetChangesRequest"/> as key values.
/// The values are formatted to JSON-compatible strings.
/// </summary>
/// <returns></returns>
protected virtual IDictionary<string, string> ConvertRequestToJsonCompatibleKeyValues(GetChangesRequest request)
{
var kvs = new Dictionary<string, string>();
if(request.Feed.HasValue)
kvs.Add(KeyNames.Feed, request.Feed.Value.AsString());
if (HasValue(request.Since))
kvs.Add(KeyNames.Since, request.Since);
if (request.IncludeDocs.HasValue)
kvs.Add(KeyNames.IncludeDocs, request.IncludeDocs.Value.ToString().ToLower());
if (request.Descending.HasValue)
kvs.Add(KeyNames.Descending, request.Descending.Value.ToString().ToLower());
if (request.Limit.HasValue)
kvs.Add(KeyNames.Limit, request.Limit.Value.ToString(MyCouchRuntime.NumberFormat));
if (request.Heartbeat.HasValue)
kvs.Add(KeyNames.HeartBeat, request.Heartbeat.Value.ToString(MyCouchRuntime.NumberFormat));
if (request.Timeout.HasValue)
kvs.Add(KeyNames.Timeout, request.Timeout.Value.ToString(MyCouchRuntime.NumberFormat));
if (request.Filter != null)
kvs.Add(KeyNames.Filter, request.Filter);
if (request.Style.HasValue)
kvs.Add(KeyNames.Style, request.Style.Value.AsString());
return kvs;
}
protected virtual void EnsureNonContinuousFeedIsRequested(GetChangesRequest request)
{
if (request.Feed.HasValue && request.Feed == ChangesFeed.Continuous)
{
throw new ArgumentException(ExceptionStrings.GetChangesForNonContinuousFeedOnly, "request");
}
}
public override HttpRequest Create(GetChangesRequest request)
{
Ensure.That(request, "request").IsNotNull();
EnsureNonContinuousFeedIsRequested(request);
return(base.Create(request));
}
public override HttpRequest Create(GetChangesRequest request)
{
Ensure.Any.IsNotNull(request, nameof(request));
EnsureNonContinuousFeedIsRequested(request);
return(base.Create(request));
}
public virtual Task <ContinuousChangesResponse> GetAsync(GetChangesRequest request, Action <string> onRead, CancellationToken cancellationToken = default)
{
return(GetAsync(request, data =>
{
onRead(data);
return Task.FromResult(0);
}, cancellationToken));
}
public virtual async Task <ChangesResponse> GetAsync(GetChangesRequest request, CancellationToken cancellationToken = default)
{
var httpRequest = HttpRequestFactory.Create(request);
using (var httpResponse = await SendAsync(httpRequest, HttpCompletionOption.ResponseHeadersRead, cancellationToken).ForAwait())
{
return(await ChangesResponseFactory.CreateAsync(httpResponse).ForAwait());
}
}
public virtual async Task <ChangesResponse> GetAsync(GetChangesRequest request)
{
var httpRequest = HttpRequestFactory.Create(request);
using (var httpResponse = await SendAsync(httpRequest, HttpCompletionOption.ResponseHeadersRead).ForAwait())
{
return(ChangesResponseFactory.Create(httpResponse));
}
}
public virtual async Task <ChangesResponse> GetAsync(GetChangesRequest request)
{
Ensure.That(request, "request").IsNotNull();
EnsureNonContinuousFeed(request);
using (var httpRequest = HttpRequestFactory.Create(request))
{
using (var httpResponse = await SendAsync(httpRequest, HttpCompletionOption.ResponseHeadersRead).ForAwait())
{
return(ChangesResponseFactory.Create(httpResponse));
}
}
}
public void When_getting_Normal_changes_after_all_changes_has_been_done_It_contains_only_info_about_the_last_change()
{
var changesRequest = new GetChangesRequest {
Feed = ChangesFeed.Normal
};
var changes0 = SUT.GetAsync(changesRequest).Result;
changes0.Should().BeSuccessfulGet();
var postOfDoc = DbClient.Documents.PostAsync(ClientTestData.Artists.Artist1Json).Result;
var putOfDoc = DbClient.Documents.PutAsync(postOfDoc.Id, postOfDoc.Rev, ClientTestData.Artists.Artist1Json).Result;
var deleteOfDoc = DbClient.Documents.DeleteAsync(putOfDoc.Id, putOfDoc.Rev).Result;
var changesAfterLastOperation = SUT.GetAsync(changesRequest).Result;
VerifyChanges(changes0, changesAfterLastOperation, deleteOfDoc.Id, deleteOfDoc.Rev, shouldBeDeleted: true);
}
public async Task <BatchSet> GetChanges(string bucketName, Filter query, int limit, string anchor, string uploadAnchor)
{
using (var client = new MyCouchClient(DbServerUrl, bucketName))
{
GetChangesRequest changesReq = new GetChangesRequest();
changesReq.Since = anchor;
changesReq.Limit = limit;
changesReq.IncludeDocs = true;
var response = await client.Changes.GetAsync(changesReq);
if (response.IsSuccess)
{
BatchSet changeSet = new BatchSet();
if (response.Results != null)
{
SyncLogItem logItem = await this.GetSyncLogItem(uploadAnchor);
foreach (var row in response.Results)
{
if (row.Deleted)
{
this.AddDeletedDoc(changeSet, row, logItem);
}
else
{
this.AddChangedDoc(changeSet, row, logItem, query, client.Serializer);
}
}
changeSet.Anchor = response.LastSeq;
}
return(changeSet);
}
else
{
CheckBucketNotFound(bucketName, response);
}
return(null);
}
}
public void When_getting_Normal_changes_with_included_doc_after_a_post_It_contains_the_included_doc()
{
var changesRequest = new GetChangesRequest {
Feed = ChangesFeed.Normal
};
var changes0 = SUT.GetAsync(changesRequest).Result;
changes0.Should().BeSuccessfulGet();
var postOfDoc = DbClient.Documents.PostAsync(ClientTestData.Artists.Artist1Json).Result;
var changesRequestWithInclude = new GetChangesRequest {
Feed = ChangesFeed.Normal, IncludeDocs = true
};
var changesAfterPostOfDoc = SUT.GetAsync(changesRequestWithInclude).Result;
VerifyChanges(changes0, changesAfterPostOfDoc, postOfDoc.Id, postOfDoc.Rev, shouldBeDeleted: false);
var change = changesAfterPostOfDoc.Results.OrderBy(c => GetSeqNumber(c.Seq)).Last();
var postedDoc = DbClient.Documents.GetAsync(postOfDoc.Id, postOfDoc.Rev).Result.Content;
change.IncludedDoc.Should().Be(postedDoc);
}
public void When_getting_Normal_changes_after_each_change_It_contains_info_about_each_change()
{
var changesRequest = new GetChangesRequest {
Feed = ChangesFeed.Normal
};
var changes0 = SUT.GetAsync(changesRequest).Result;
changes0.Should().BeSuccessfulGet();
var postOfDoc = Client.Documents.PostAsync(ClientTestData.Artists.Artist1Json).Result;
var changesAfterPostOfDoc = SUT.GetAsync(changesRequest).Result;
VerifyChanges(changes0, changesAfterPostOfDoc, postOfDoc.Id, postOfDoc.Rev, shouldBeDeleted: false);
var putOfDoc = Client.Documents.PutAsync(postOfDoc.Id, postOfDoc.Rev, ClientTestData.Artists.Artist1Json).Result;
var changesAfterPutOfDoc = SUT.GetAsync(changesRequest).Result;
VerifyChanges(changesAfterPostOfDoc, changesAfterPutOfDoc, putOfDoc.Id, putOfDoc.Rev, shouldBeDeleted: false);
var deleteOfDoc = Client.Documents.DeleteAsync(putOfDoc.Id, putOfDoc.Rev).Result;
var changesAfterDeleteOfDoc = SUT.GetAsync(changesRequest).Result;
VerifyChanges(changesAfterPutOfDoc, changesAfterDeleteOfDoc, deleteOfDoc.Id, deleteOfDoc.Rev, shouldBeDeleted: true);
}
public virtual HttpRequest Create(GetChangesRequest request)
{
return(CreateFor <GetChangesRequest>(HttpMethod.Get, GenerateRequestUrl(request)));
}
public static Task <ChangesResponse> PerformAsync(this IMyCouchClient client, GetChangesRequest request)
{
return(client.Changes.GetAsync(request));
}
public static Task <ContinuousChangesResponse> PerformAsync(this IMyCouchClient client, GetChangesRequest request, Action <string> onRead, CancellationToken cancellationToken)
{
return(client.Changes.GetAsync(request, onRead, cancellationToken));
}
/// <summary>
/// Returns all configured options of <see cref="GetChangesRequest"/> as key values.
/// The values are formatted to JSON-compatible strings.
/// </summary>
/// <returns></returns>
protected virtual IDictionary <string, string> ConvertRequestToJsonCompatibleKeyValues(GetChangesRequest request)
{
var kvs = new Dictionary <string, string>();
if (request.Feed.HasValue)
{
kvs.Add(KeyNames.Feed, request.Feed.Value.AsString());
}
if (!string.IsNullOrWhiteSpace(request.Since))
{
kvs.Add(KeyNames.Since, request.Since);
}
if (request.IncludeDocs.HasValue)
{
kvs.Add(KeyNames.IncludeDocs, request.IncludeDocs.Value.ToString().ToLower());
}
if (request.Descending.HasValue)
{
kvs.Add(KeyNames.Descending, request.Descending.Value.ToString().ToLower());
}
if (request.Limit.HasValue)
{
kvs.Add(KeyNames.Limit, request.Limit.Value.ToString(MyCouchRuntime.FormatingCulture.NumberFormat));
}
if (request.Heartbeat.HasValue)
{
kvs.Add(KeyNames.HeartBeat, request.Heartbeat.Value.ToString(MyCouchRuntime.FormatingCulture.NumberFormat));
}
if (request.Timeout.HasValue)
{
kvs.Add(KeyNames.Timeout, request.Timeout.Value.ToString(MyCouchRuntime.FormatingCulture.NumberFormat));
}
if (request.Filter != null)
{
kvs.Add(KeyNames.Filter, request.Filter);
}
if (request.Style.HasValue)
{
kvs.Add(KeyNames.Style, request.Style.Value.AsString());
}
return(kvs);
}
protected virtual string GenerateQueryStringParams(GetChangesRequest request)
{
return(string.Join("&", ConvertRequestToJsonCompatibleKeyValues(request)
.Select(kv => string.Format("{0}={1}", kv.Key, UrlParam.Encode(kv.Value)))));
}
protected virtual string GenerateQueryString(GetChangesRequest request)
{
var p = GenerateQueryStringParams(request);
return(string.IsNullOrEmpty(p) ? string.Empty : string.Concat("?", p));
}
protected virtual string GenerateRelativeUrl(GetChangesRequest request)
{
return(string.Format("/_changes{0}",
GenerateQueryString(request)));
}
protected virtual string GenerateRequestUrl(GetChangesRequest request)
{
return(string.Format("{0}/_changes{1}",
Connection.Address,
GenerateQueryString(request)));
}
protected virtual string GenerateQueryStringParams(GetChangesRequest request)
{
return string.Join("&", ConvertRequestToJsonCompatibleKeyValues(request)
.Select(kv => string.Format("{0}={1}", kv.Key, Uri.EscapeDataString(kv.Value))));
}
protected virtual string GenerateQueryString(GetChangesRequest request)
{
var p = GenerateQueryStringParams(request);
return string.IsNullOrEmpty(p) ? string.Empty : string.Concat("?", p);
}
protected virtual string GenerateRequestUrl(GetChangesRequest request)
{
return string.Format("{0}/_changes{1}",
Connection.Address,
GenerateQueryString(request));
}
public virtual HttpRequest Create(GetChangesRequest request)
{
return CreateFor<GetChangesRequest>(HttpMethod.Get, GenerateRequestUrl(request));
}
protected virtual void WithHttpRequestFor(GetChangesRequest request, Action <HttpRequest> a)
{
var req = SUT.Create(request);
a(req);
}
protected virtual void WithHttpRequestFor(GetChangesRequest request, Action <HttpRequestMessage> a)
{
using (var req = SUT.Create(request))
a(req);
}
