Esempio n. 1
0
        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()));
        }