private static string GetQueryHash(IRepositoryQuery query)
{
// org ids, project ids, date ranges, filter expression
var appFilter = query.GetAppFilter();
var projectIds = query.GetProjects();
if (projectIds.Count == 0 && appFilter?.Projects != null)
{
projectIds.AddRange(appFilter.Projects.Select(p => p.Id));
}
var organizationIds = query.GetOrganizations();
if (organizationIds.Count == 0 && appFilter?.Organizations != null)
{
organizationIds.AddRange(appFilter.Organizations.Select(o => o.Id));
}
var hashCode = new HashCode();
if (projectIds.Count > 0)
{
foreach (string projectId in projectIds)
{
hashCode.Add(projectId);
}
}
else if (organizationIds.Count > 0)
{
foreach (string organizationId in organizationIds)
{
hashCode.Add(organizationId);
}
}
var dateRanges = query.GetDateRanges();
var minDate = dateRanges.Min(r => r.StartDate) ?? DateTime.MinValue;
var maxDate = dateRanges.Max(r => r.EndDate) ?? DateTime.MaxValue;
hashCode.Add(minDate);
hashCode.Add(maxDate);
hashCode.Add(query.GetFilterExpression());
string cacheScope = "";
if (organizationIds.Count == 1 && projectIds.Count == 1)
{
cacheScope = String.Concat(organizationIds.Single(), ":", projectIds.Single(), ":");
}
else if (organizationIds.Count == 1)
{
cacheScope = String.Concat(organizationIds.Single(), ":");
}
else if (projectIds.Count == 1)
{
cacheScope = String.Concat("project:", projectIds.Single(), ":");
}
return(String.Concat(cacheScope, hashCode.ToHashCode().ToString()));
}