Initial

2021-08-28 13:11:33 +02:00
parent 074df0adec
commit 2de05c3856
47 changed files with 2110 additions and 229 deletions
@@ -0,0 +1,68 @@
+using Datamodels.DatabaseModels;
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using Microsoft.Extensions.Logging;
+using Repositories.Interfaces;
+using Datamodels.BusinessModels;
+using Datamodels.SearchModels;
+using System.Linq;
+using System.Linq.Expressions;
+
+namespace SearchLogic
+{
+    public class SearchLogic : ISearchLogic
+    {
+        private readonly ILogger<SearchLogic> _logger;
+        private readonly IFwMariaSearchRepo _searchRepo;
+
+        public SearchLogic(ILogger<SearchLogic> logger, IFwMariaSearchRepo searchRepo)
+        {
+            _logger = logger;
+            _searchRepo = searchRepo;
+        }
+
+        public async Task<DataResult<List<Address>>> GetAllAddresses()
+        {
+            var result = await _searchRepo.GetAllAddresses();
+            return result;
+        }
+
+        public async Task<DataResult<List<IEntityClass>>> GetFilteredData(FilterModel filter, long skip = 0, long take = -1)
+        {
+            List<Expression> expList = new List<Expression>();
+            
+            foreach (SearchDescription filterModel in filter.SearchDescriptions)
+            {
+                var exp = GetFilterCondition<Address>(filterModel);
+                if (exp != null)
+                {
+                    expList.Add(exp);
+                }
+
+            }
+            var result = await _searchRepo.GetFilteredData<Address>(expList, 0, -1);
+            return result;
+        }
+
+        private Expression GetFilterCondition<T>(SearchDescription searchDescription) where T : IEntityClass
+        {
+            Expression<Func<T, bool>> predicate;
+            ParameterExpression pe = Expression.Parameter(typeof(T), typeof(T).Name);
+            if (typeof(T).GetProperty(searchDescription.SearchData.FieldName) != null)
+            {
+                //var exp = Expression.Parameter(typeof(T), "x");
+                var exp = Expression.Parameter(typeof(T), typeof(T).Name);
+                Expression left = Expression.Property(pe, searchDescription.SearchData.FieldName);
+                Expression right = Expression.Constant(searchDescription.SearchData.Values[0]);
+                Expression e1 = Expression.Equal(left, right);
+
+                //predicate = Expression.Lambda<Func<T, bool>>(e1, new ParameterExpression[] { pe });
+
+                return e1;
+            }
+
+            return null;
+        }
+    }
+}