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sunkaixuan 2017-09-11 13:57:22 +08:00
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commit 9acd693140
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Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/EntityProvider/EntityProvider.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
namespace SqlSugar
{
public class EntityProvider
{
public SqlSugarClient Context { get; set; }
public EntityInfo GetEntityInfo<T>()
{
return GetEntityInfo(typeof(T));
}
public EntityInfo GetEntityInfo(Type type)
{
string cacheKey = "GetEntityInfo" + type.FullName;
return this.Context.RewritableMethods.GetCacheInstance<EntityInfo>().Func(cacheKey,
(cm, key) =>
{
return cm[cacheKey];
}, (cm, key) =>
{
EntityInfo result = new EntityInfo();
var sugarAttributeInfo = type.GetTypeInfo().GetCustomAttributes(typeof(SugarTable), true).Where(it => it is SugarTable).SingleOrDefault();
if (sugarAttributeInfo.IsValuable())
{
var sugarTable = (SugarTable)sugarAttributeInfo;
result.DbTableName = sugarTable.TableName;
}
result.Type = type;
result.EntityName = result.Type.Name;
result.Columns = new List<EntityColumnInfo>();
SetColumns(result);
return result;
});
}
public string GetTableName<T>()
{
var typeName = typeof(T).Name;
if (this.Context.MappingTables == null || this.Context.MappingTables.Count == 0) return typeName;
else
{
var mappingInfo = this.Context.MappingTables.SingleOrDefault(it => it.EntityName == typeName);
return mappingInfo == null ? typeName : mappingInfo.DbTableName;
}
}
public string GetTableName(Type entityType)
{
var typeName = entityType.Name;
if (this.Context.MappingTables == null || this.Context.MappingTables.Count == 0) return typeName;
else
{
var mappingInfo = this.Context.MappingTables.SingleOrDefault(it => it.EntityName == typeName);
return mappingInfo == null ? typeName : mappingInfo.DbTableName;
}
}
public string GetTableName(string entityName)
{
var typeName = entityName;
if (this.Context.MappingTables == null || this.Context.MappingTables.Count == 0) return typeName;
else
{
var mappingInfo = this.Context.MappingTables.SingleOrDefault(it => it.EntityName == typeName);
return mappingInfo == null ? typeName : mappingInfo.DbTableName;
}
}
public string GetEntityName(string tableName)
{
if (this.Context.MappingTables == null || this.Context.MappingTables.Count == 0) return tableName;
else
{
var mappingInfo = this.Context.MappingTables.SingleOrDefault(it => it.DbTableName == tableName);
return mappingInfo == null ? tableName : mappingInfo.EntityName;
}
}
public string GetDbColumnName<T>(string propertyName)
{
var isAny=this.GetEntityInfo<T>().Columns.Any(it => it.PropertyName.Equals(propertyName, StringComparison.CurrentCultureIgnoreCase));
Check.Exception(!isAny, "Property " + propertyName + " is Invalid");
var typeName = typeof(T).Name;
if (this.Context.MappingColumns == null || this.Context.MappingColumns.Count == 0) return propertyName;
else
{
var mappingInfo = this.Context.MappingColumns.SingleOrDefault(it => it.EntityName == typeName && it.PropertyName == propertyName);
return mappingInfo == null ? propertyName : mappingInfo.DbColumnName;
}
}
public string GetPropertyName<T>(string dbColumnName)
{
var typeName = typeof(T).Name;
if (this.Context.MappingColumns == null || this.Context.MappingColumns.Count == 0) return dbColumnName;
else
{
var mappingInfo = this.Context.MappingColumns.SingleOrDefault(it => it.EntityName == typeName && it.DbColumnName == dbColumnName);
return mappingInfo == null ? dbColumnName : mappingInfo.PropertyName;
}
}
public PropertyInfo GetProperty<T>(string dbColumnName)
{
var propertyName = GetPropertyName<T>(dbColumnName);
return typeof(T).GetProperties().First(it => it.Name == propertyName);
}
#region Primary key
private static void SetColumns(EntityInfo result)
{
foreach (var property in result.Type.GetProperties())
{
EntityColumnInfo column = new EntityColumnInfo();
//var isVirtual = property.GetGetMethod().IsVirtual;
//if (isVirtual) continue;
var sugarColumn = property.GetCustomAttributes(typeof(SugarColumn), true)
.Where(it => it is SugarColumn)
.Select(it => (SugarColumn)it)
.FirstOrDefault();
column.DbTableName = result.DbTableName;
column.EntityName = result.EntityName;
column.PropertyName = property.Name;
column.PropertyInfo = property;
if (sugarColumn.IsNullOrEmpty())
{
column.DbColumnName = property.Name;
}
else
{
if (sugarColumn.IsIgnore == false)
{
column.DbColumnName = sugarColumn.ColumnName.IsNullOrEmpty() ? property.Name : sugarColumn.ColumnName;
column.IsPrimarykey = sugarColumn.IsPrimaryKey;
column.IsIdentity = sugarColumn.IsIdentity;
column.ColumnDescription = sugarColumn.ColumnDescription;
column.IsNullable = sugarColumn.IsNullable;
column.Length = sugarColumn.Length;
column.OldDbColumnName = sugarColumn.OldColumnName;
column.DataType = sugarColumn.ColumnDataType;
column.DecimalDigits = sugarColumn.DecimalDigits;
}
else
{
column.IsIgnore = true;
}
}
result.Columns.Add(column);
}
}
#endregion
}
}

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Src/Asp.NetCore2/SqlSeverTest/SqliteTest/DataBase/SqlSugar4xTest.sqlite
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