hamid
77 lines
3.8 KiB
C#
77 lines
3.8 KiB
C#
#nullable enable
|
|
using System.Globalization;
|
|
using Baya.Application.Contracts.Search;
|
|
using Baya.Application.Models.Common;
|
|
using Baya.Application.Models.Search;
|
|
using Baya.Domain.Entities.Search;
|
|
using Microsoft.EntityFrameworkCore;
|
|
|
|
namespace Baya.Infrastructure.Persistence.Services.Search;
|
|
|
|
/// <summary>
|
|
/// The MVP <see cref="INurseSearch"/> backend — the real, production search over the maintained
|
|
/// <c>nurse_search_index</c>. It reads <b>only</b> <c>is_searchable = 1</c> rows (an unverified, suspended,
|
|
/// paused, or deactivated nurse/variant never surfaces), applies the category/city/district/gender/price
|
|
/// filters and the rating sort, and paginates. Served from the covering search index; a later
|
|
/// <c>ElasticNurseSearch</c> replaces this class behind the same interface with no caller changes.
|
|
/// </summary>
|
|
internal sealed class SqlNurseSearch(ApplicationDbContext db) : INurseSearch
|
|
{
|
|
public async Task<PagedResult<NurseSearchResultDto>> SearchAsync(NurseSearchCriteria criteria, CancellationToken cancellationToken)
|
|
{
|
|
var query = db.Set<NurseSearchIndex>()
|
|
.AsNoTracking()
|
|
.Where(r => r.IsSearchable
|
|
&& r.ServiceCategoryId == criteria.ServiceCategoryId
|
|
&& r.CityId == criteria.CityId);
|
|
|
|
// NULL-district = "whole city". A district search matches that district's rows PLUS the whole-city
|
|
// (NULL) rows; a city-only search (no district) matches every row in the city, NULL or not.
|
|
if (criteria.DistrictId is { } districtId)
|
|
query = query.Where(r => r.DistrictId == districtId || r.DistrictId == null);
|
|
|
|
if (!string.IsNullOrWhiteSpace(criteria.NurseGender))
|
|
query = query.Where(r => r.NurseGender == criteria.NurseGender);
|
|
|
|
if (criteria.MinPrice is { } min)
|
|
query = query.Where(r => r.Price >= min);
|
|
|
|
if (criteria.MaxPrice is { } max)
|
|
query = query.Where(r => r.Price <= max);
|
|
|
|
if (!string.IsNullOrWhiteSpace(criteria.PriceUnit))
|
|
query = query.Where(r => r.PriceUnit == criteria.PriceUnit);
|
|
|
|
var total = await query.CountAsync(cancellationToken);
|
|
|
|
var rows = await query
|
|
// Rating sort is the only MVP sort; the tiebreak on reviews then nurse_id keeps paging deterministic.
|
|
.OrderByDescending(r => r.AverageRating)
|
|
.ThenByDescending(r => r.TotalReviews)
|
|
.ThenBy(r => r.NurseId)
|
|
.ThenBy(r => r.VariantId)
|
|
.Skip((criteria.Page - 1) * criteria.PageSize)
|
|
.Take(criteria.PageSize)
|
|
.Select(r => new Row(
|
|
r.VariantId, r.NurseId, r.ServiceCategoryId, r.Price, r.PriceUnit, r.NurseGender,
|
|
r.AverageRating, r.TotalReviews, r.TotalCompletedBookings, r.CityId, r.DistrictId,
|
|
r.NurseName, r.AvatarUrl))
|
|
.ToListAsync(cancellationToken);
|
|
|
|
// Format price to a digit string in memory (no long.ToString translation required in SQL).
|
|
// DistanceKm is null: the covering index carries no coordinate, so distance is not derivable here.
|
|
var items = rows.Select(r => new NurseSearchResultDto(
|
|
r.VariantId, r.NurseId, r.ServiceCategoryId,
|
|
r.Price.ToString(CultureInfo.InvariantCulture), r.PriceUnit, r.NurseGender,
|
|
r.AverageRating, r.TotalReviews, r.TotalCompletedBookings, r.CityId, r.DistrictId,
|
|
r.NurseName, r.AvatarUrl, null)).ToList();
|
|
|
|
return new PagedResult<NurseSearchResultDto>(items, total, criteria.Page, criteria.PageSize);
|
|
}
|
|
|
|
private sealed record Row(
|
|
long VariantId, long NurseId, long ServiceCategoryId, long Price, string PriceUnit, string NurseGender,
|
|
decimal AverageRating, int TotalReviews, int TotalCompletedBookings, long CityId, long? DistrictId,
|
|
string NurseName, string AvatarUrl);
|
|
}
|