private static async Task <string> BuildAtomFeed(
DateTimeOffset lastUpdate,
PagedQueryable <MunicipalitySyndicationQueryResult> pagedMunicipalities,
IOptions <ResponseOptions> responseOptions,
IConfiguration configuration)
{
var sw = new StringWriterWithEncoding(Encoding.UTF8);
using (var xmlWriter = XmlWriter.Create(sw, new XmlWriterSettings {
Async = true, Indent = true, Encoding = sw.Encoding
}))
{
var formatter = new AtomFormatter(null, xmlWriter.Settings)
{
UseCDATA = true
};
var writer = new AtomFeedWriter(xmlWriter, null, formatter);
var syndicationConfiguration = configuration.GetSection("Syndication");
var atomConfiguration = AtomFeedConfigurationBuilder.CreateFrom(syndicationConfiguration, lastUpdate);
await writer.WriteDefaultMetadata(atomConfiguration);
var municipalities = await pagedMunicipalities.Items.ToListAsync();
var highestPosition = municipalities.Any()
? municipalities.Max(x => x.Position)
: (long?)null;
var nextUri = BuildNextSyncUri(
pagedMunicipalities.PaginationInfo.Limit,
highestPosition + 1,
syndicationConfiguration["NextUri"]);
if (nextUri != null)
{
await writer.Write(new SyndicationLink(nextUri, GrArAtomLinkTypes.Next));
}
foreach (var municipality in municipalities)
{
await writer.WriteMunicipality(responseOptions, formatter, syndicationConfiguration["Category"], municipality);
}
xmlWriter.Flush();
}
return(sw.ToString());
}
private static async Task <string> BuildAtomFeed(
DateTimeOffset lastFeedUpdate,
PagedQueryable <AddressSyndicationQueryResult> pagedAddresses,
IOptions <ResponseOptions> responseOptions,
IConfiguration configuration)
{
var sw = new StringWriterWithEncoding(Encoding.UTF8);
using (var xmlWriter = XmlWriter.Create(sw, new XmlWriterSettings {
Async = true, Indent = true, Encoding = sw.Encoding
}))
{
var formatter = new AtomFormatter(null, xmlWriter.Settings)
{
UseCDATA = true
};
var writer = new AtomFeedWriter(xmlWriter, null, formatter);
var syndicationConfiguration = configuration.GetSection("Syndication");
var atomFeedConfig = AtomFeedConfigurationBuilder.CreateFrom(syndicationConfiguration, lastFeedUpdate);
await writer.WriteDefaultMetadata(atomFeedConfig);
var addresses = pagedAddresses.Items.ToList();
var nextFrom = addresses.Any()
? addresses.Max(x => x.Position) + 1
: (long?)null;
var nextUri = BuildNextSyncUri(pagedAddresses.PaginationInfo.Limit, nextFrom, syndicationConfiguration["NextUri"]);
if (nextUri != null)
{
await writer.Write(new SyndicationLink(nextUri, "next"));
}
foreach (var address in addresses)
{
await writer.WriteAddress(responseOptions, formatter, syndicationConfiguration["Category"], address);
}
xmlWriter.Flush();
}
return(sw.ToString());
}
