69 lines
2.3 KiB
C#
69 lines
2.3 KiB
C#
using Datamodels.DatabaseModels;
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using System;
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using System.Collections.Generic;
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using System.Threading.Tasks;
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using Microsoft.Extensions.Logging;
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using Repositories.Interfaces;
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using Datamodels.BusinessModels;
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using Datamodels.SearchModels;
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using System.Linq;
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using System.Linq.Expressions;
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namespace SearchLogic
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{
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public class SearchLogic : ISearchLogic
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{
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private readonly ILogger<SearchLogic> _logger;
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private readonly IFwMariaSearchRepo _searchRepo;
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public SearchLogic(ILogger<SearchLogic> logger, IFwMariaSearchRepo searchRepo)
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{
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_logger = logger;
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_searchRepo = searchRepo;
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}
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public async Task<DataResult<List<Address>>> GetAllAddresses()
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{
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var result = await _searchRepo.GetAllAddresses();
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return result;
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}
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public async Task<DataResult<List<IEntityClass>>> GetFilteredData(FilterModel filter, long skip = 0, long take = -1)
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{
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List<Expression> expList = new List<Expression>();
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foreach (SearchDescription filterModel in filter.SearchDescriptions)
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{
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var exp = GetFilterCondition<Address>(filterModel);
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if (exp != null)
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{
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expList.Add(exp);
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}
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}
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var result = await _searchRepo.GetFilteredData<Address>(expList, 0, -1);
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return result;
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}
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private Expression GetFilterCondition<T>(SearchDescription searchDescription) where T : IEntityClass
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{
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Expression<Func<T, bool>> predicate;
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ParameterExpression pe = Expression.Parameter(typeof(T), typeof(T).Name);
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if (typeof(T).GetProperty(searchDescription.SearchData.FieldName) != null)
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{
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//var exp = Expression.Parameter(typeof(T), "x");
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var exp = Expression.Parameter(typeof(T), typeof(T).Name);
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Expression left = Expression.Property(pe, searchDescription.SearchData.FieldName);
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Expression right = Expression.Constant(searchDescription.SearchData.Values[0]);
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Expression e1 = Expression.Equal(left, right);
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//predicate = Expression.Lambda<Func<T, bool>>(e1, new ParameterExpression[] { pe });
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return e1;
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}
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return null;
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}
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}
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}
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