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public ElasticClient Elastic { get; set; } // this is instantiated in the AppHost using IoC | |
public object Get(GetListings request) | |
{ | |
int pageSize = 10; | |
//request parameters | |
int pageNr = request.PageNr ?? 1; | |
string searchText = request.SearchText ?? "*"; | |
string city = request.City ?? "*"; | |
string categoryId = request.CategoryId?.ToString() ?? "*"; | |
string priceFrom = request.PriceFrom?.ToString() ?? "0"; | |
string priceTo = request.PriceTo?.ToString() ?? "9999999999999"; | |
long totalRecords = 0; | |
// creating the search request | |
QueryContainer query1 = new WildcardQuery | |
{ | |
Field = "_all", | |
Value = searchText | |
}; | |
QueryContainer cityFilter = new WildcardQuery | |
{ | |
Field = "city", | |
Value = city, | |
}; | |
QueryContainer categoryFilter = new WildcardQuery | |
{ | |
Field = "category.id", | |
Value = categoryId | |
}; | |
QueryContainer priceRange = new RangeQuery | |
{ | |
Field = "price", | |
GreaterThanOrEqualTo =priceFrom, | |
LowerThanOrEqualTo = priceTo, | |
}; | |
var searchRequest = new SearchRequest | |
{ | |
From = (pageNr * pageSize), | |
Size = pageSize, | |
Query = query1 && cityFilter && categoryFilter && priceRange | |
}; | |
var results = Elastic.Search<Listing>(searchRequest); | |
var resultListing = results.Documents; | |
totalRecords = results.Total; | |
return new GetListingsResponse { Result = resultListing, TotalRecords = totalRecords, CurrentPageNumber = pageNr, TotalPageCount = totalRecords/pageSize }; | |
} |
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