77 lines
3.2 KiB
C#
77 lines
3.2 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Linq.Expressions;
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using System.Text;
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namespace SqlSugar
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{
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public class SugarMapper
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{
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private ISqlSugarClient _context;
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public SugarMapper(ISqlSugarClient context)
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{
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_context = context;
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}
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public string GetSelectValue<TResult>(QueryBuilder queryBuilder)
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{
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string result = string.Empty;
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var veiwModel = _context.EntityMaintenance.GetEntityInfo<TResult>();
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var exp = (queryBuilder.JoinExpression as LambdaExpression);
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List<KeyValuePair<string, JoinMapper>> selectItems = new List<KeyValuePair<string, JoinMapper>>();
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var exParsmeters = exp.Parameters.Select(it => new { shortName = it.Name, type = it.Type }).ToList();
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foreach (var viewColumns in veiwModel.Columns)
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{
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var isbreak = false;
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foreach (var expPars in exParsmeters)
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{
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if (isbreak)
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{
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break;
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}
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var entityInfo = _context.EntityMaintenance.GetEntityInfo(expPars.type);
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var columns = entityInfo.Columns.Where(it => it.IsIgnore == false);
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var list = columns.Select(it => {
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var array = new string[]
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{
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it.PropertyName,
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it.DbColumnName,
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expPars.type.Name+it.PropertyName,
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expPars.type.Name+it.DbColumnName,
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expPars.type.Name+"_"+it.PropertyName,
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expPars.type.Name+"_"+it.DbColumnName,
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expPars.shortName+it.PropertyName,
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expPars.shortName+it.DbColumnName,
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};
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return new { it, array };
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}).ToList();
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var columnInfo= list.FirstOrDefault(y => y.array.Select(z=>z.ToLower()).Contains(viewColumns.PropertyName.ToLower()));
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if (columnInfo != null)
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{
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JoinMapper joinMapper = new JoinMapper()
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{
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AsName=viewColumns.PropertyName,
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DbName=columnInfo.it.DbColumnName
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};
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//var isNoPgAuto = queryBuilder.Context.CurrentConnectionConfig.MoreSettings?.PgSqlIsAutoToLower == false;
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//var isNoUpper = this._context.CurrentConnectionConfig?.MoreSettings?.IsAutoToUpper == false;
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var shortName = queryBuilder.Builder.GetTranslationColumnName(expPars.shortName);
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selectItems.Add(new KeyValuePair<string, JoinMapper>(shortName, joinMapper));
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isbreak = true;
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}
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}
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}
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result = queryBuilder.GetSelectByItems(selectItems);
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//if (_context.CurrentConnectionConfig.DbType == DbType.PostgreSQL)
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//{
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// result = result.ToLower();
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//}
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return result;
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}
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}
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}
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