public static HelpMetaData CalculateMetaData(TableClient client, ILogger log)
{
log.LogInformation("Calculating meta data on HelpTable");
string filter = TableServiceClient.CreateQueryFilter($"PartitionKey eq {CommandHelpPartitionKey}");
var select = new string[] { "CommandName", "ModuleName" };
var entities = client.Query <HelpEntity>(filter: filter, select: select);
var numAbout = entities
.Where(r => r
.CommandName
.StartsWith("about_", StringComparison.OrdinalIgnoreCase))
.Count();
var moduleNames = entities
.Select(r => r.ModuleName)
.Where(moduleName => !string.IsNullOrEmpty(moduleName))
.Distinct();
var helpMetaData = new HelpMetaData()
{
PartitionKey = MetaDataPartitionKey,
RowKey = MetaDataRowKey,
NumberOfAboutArticles = numAbout,
NumberOfCommands = entities.Count() - numAbout,
NumberOfModules = moduleNames.Count(),
ModuleNames = string.Join(',', moduleNames),
LastPublished = Helpers.GetBuildDate(Assembly.GetExecutingAssembly()).ToLongDateString()
};
var metaDataEntity = new HelpMetaData();
try
{
metaDataEntity = client.GetEntity <HelpMetaData>(MetaDataPartitionKey, MetaDataRowKey);
_ = client.UpsertEntity(helpMetaData);
}
catch (RequestFailedException)
{
_ = client.AddEntity(helpMetaData);
}
return(helpMetaData);
}