Get-Results.ps1

public BlogPostSearchResultsModel GetResults(BlogPostSearchResultsModel blogPostSearchResultsModel, string searchTerm, int resultsPerPage, int currentPage)
{
    using (new SecurityDisabler())
    {
        try
        {
            var solrCharsToAllow = "()-+*./' ";
            var solrCharsToEscape = "(,),||,!,[,],^,~,?,:,-,+,\""; //split on comma
            var safeSearchTerm = searchTerm.Trim().RemoveSpecialCharacters(solrCharsToAllow);

            //add the search term and current page ot the model
            blogPostSearchResultsModel.SearchTerm = searchTerm;
            blogPostSearchResultsModel.Page = currentPage;

            var selectedIndex = ContentSearchManager.GetIndex(IndexName);
            using (IProviderSearchContext context = selectedIndex.CreateSearchContext())
            {
                //create predicate to weight fields
                //weight matches on title fields first, description fields second
                var predicate = PredicateBuilder.True<BlogPostSearchResult>();
                                                //exact matches
                predicate = predicate.And(p => p.Title.Equals(safeSearchTerm).Boost(1f) ||
                                                p.Description.Equals(safeSearchTerm).Boost(2f) ||
                                                //wildcard matches 
                                                p.Title.MatchWildcard($"*{safeSearchTerm.EscapeCharacters(solrCharsToEscape)}*") ||
                                                p.Description.MatchWildcard($"*{safeSearchTerm.EscapeCharacters(solrCharsToEscape)}*") ||
                                                //Contains matches
                                                p.Title.Contains(safeSearchTerm.EscapeCharacters(solrCharsToEscape)).Boost(4f) ||
                                                p.Description.Contains(safeSearchTerm.EscapeCharacters(solrCharsToEscape)).Boost(5f))


                //create paged results list and add to model
                var totalSearchResults = context.GetQueryable<BlogPostSearchResult>().Where(predicate);
                var blogPostSearchResults = totalSearchResults.ToPagedList(currentPage, resultsPerPage);

                blogPostSearchResultsModel.SearchResults = blogPostSearchResults;
                blogPostSearchResultsModel.TotalNumberOfResults = totalSearchResults.Count();
                blogPostSearchResultsModel.NoOfResults = resultsPerPage;
            }
        }
        catch (Exception ex)
        {
            _logService.Error($"error calling GetResults(): {ex.Message}", ex);
        }
    }

    return blogPostSearchResultsModel;
}