private async Task <ContentSummaries> GetContentSummariesAsync(int limit, string continuationToken, QueryDefinition queryDefinition)
{
FeedIterator <ContentSummary> iterator = this.container.GetItemQueryIterator <ContentSummary>(queryDefinition, continuationToken, new QueryRequestOptions {
MaxItemCount = limit
});
var summaries = new ContentSummaries();
if (iterator.HasMoreResults)
{
FeedResponse <ContentSummary> results = await iterator.ReadNextAsync().ConfigureAwait(false);
summaries.ContinuationToken = results.ContinuationToken;
summaries.Summaries.AddRange(results.Resource);
}
return(summaries);
}
/// <inheritdoc/>
public async Task <List <ContentSummary> > GetContentSummariesForStatesAsync(IList <ContentState> states)
{
// All of the states should have the same slug.
if (states.Distinct(x => x.Slug).Count() != 1)
{
throw new ArgumentException("All of the supplied states should be for the same content slug.", nameof(states));
}
var queryBuilder = new StringBuilder("SELECT ");
queryBuilder.Append(ContentSummaryProperties);
queryBuilder.Append(" FROM c WHERE c.slug = @slug AND c.contentType = '");
queryBuilder.Append(Content.RegisteredContentType);
queryBuilder.Append("' AND ARRAY_CONTAINS([");
IList <string> contentIds = states.Select(s => s.ContentId).Distinct().ToList();
Enumerable.Range(0, contentIds.Count).ForEach(i =>
{
queryBuilder.Append("@id");
queryBuilder.Append(i);
if (i < contentIds.Count - 1)
{
queryBuilder.Append(", ");
}
});
queryBuilder.Append("], c.id)");
QueryDefinition queryDefinition =
new QueryDefinition(queryBuilder.ToString())
.WithParameter("@slug", states[0].Slug);
contentIds.ForEachAtIndex((s, i) => queryDefinition = queryDefinition.WithParameter($"@id{i}", s));
ContentSummaries summaries = await this.GetContentSummariesAsync(states.Count, null, queryDefinition).ConfigureAwait(false);
return(summaries.Summaries);
}
