protected List <Result> Get_Results(SearchObject.Rootobject searchObj)
{
//Extract all of the necessary result specific data from the search result object
List <Result> value = new List <Result>();
try
{
if (searchObj != null)
{
if (searchObj.items != null)
{
foreach (SearchObject.Item item in searchObj.items)
{
string src = string.Empty;
if (item.pagemap != null)
{
if (item.pagemap.cse_image != null)
{
if (item.pagemap.cse_image.Length > 0)
{
src = item.pagemap.cse_image[0].src;
}
}
}
value.Add(new Result(item.title, item.link, item.displayLink, item.snippet, src));
}
}
}
}
catch
{
return(new List <Result>());
}
return(value);
}
protected SearchViewModel PerformSearch(SearchViewModel Search)
{
try
{
if (TryValidateModel(Search))
{
if (!string.IsNullOrWhiteSpace(Search.SearchQuery))
{
List <string> searchTerms = new List <string>(Search.SearchQuery.Split(" "));
string excludedTerms = string.Empty;
string includedTerms = string.Empty;
string searchQuery = string.Empty;
foreach (string term in searchTerms)
{
if (term.StartsWith('-'))
{
excludedTerms += $"+{term.Substring(1)}";
}
else if (term.StartsWith('+'))
{
includedTerms += $"+{term.Substring(1)}";
}
else
{
searchQuery += $"+{term}";
}
}
if (!string.IsNullOrWhiteSpace(excludedTerms))
{
excludedTerms = excludedTerms.Substring(1);
}
if (!string.IsNullOrWhiteSpace(includedTerms))
{
includedTerms = includedTerms.Substring(1);
}
if (!string.IsNullOrWhiteSpace(searchQuery))
{
searchQuery = searchQuery.Substring(1);
}
string query = $"{GetApiString(Search.api)}{searchQuery}&start={Search.Index*10 +1}";
if (!string.IsNullOrWhiteSpace(includedTerms))
{
query += $"&exactTerms={includedTerms}";
}
if (!string.IsNullOrWhiteSpace(excludedTerms))
{
query += $"&excludeTerms={excludedTerms}";
}
string json = new WebClient().DownloadString(query);
SearchObject.Rootobject searchObj = JsonConvert.DeserializeObject <SearchObject.Rootobject>(json);
Search.Results = Get_Results(searchObj);
Search.TotalResults = Convert.ToInt32(searchObj.searchInformation.totalResults);
Search.SetMaxPages();
}
}
}
catch
{
Search = new SearchViewModel();
}
return(Search);
}
