Disco.Services.JobExtensions.AvailableDocumentTemplates C# (CSharp) Method

        public static List<DocumentTemplate> AvailableDocumentTemplates(this Job j, DiscoDataContext Database, User User, DateTime TimeStamp)
        {
            var dts = Database.DocumentTemplates.Include("JobSubTypes")
                .Where(dt => !dt.IsHidden && dt.Scope == DocumentTemplate.DocumentTemplateScopes.Job)
                .ToList();

            foreach (var dt in dts.ToArray())
            {
                if (dt.JobSubTypes.Count != 0)
                { // Filter Applied
                    bool match = false;
                    foreach (var st in j.JobSubTypes)
                    {
                        if (dt.JobSubTypes.Contains(st))
                        {
                            match = true;
                            break;
                        }
                    }
                    if (!match)
                        dts.Remove(dt);
                }
            }

            // Evaluate Filters
            dts = dts.Where(dt => dt.FilterExpressionMatches(j, Database, User, TimeStamp, DocumentState.DefaultState())).ToList();

            return dts;
        }
        public static List<DocumentTemplatePackage> AvailableDocumentTemplatePackages(this Job j, DiscoDataContext Database, User TechnicianUser)