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- 增加 FreeSql.DbContext 实体对象的变化事件；

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> 文档：https://github.com/2881099/FreeSql/wiki/DbContext#%E5%AE%9E%E4%BD%93%E5%8F%98%E5%8C%96%E4%BA%8B%E4%BB%B6
- 补充 Aop.CurdBefore 事件参数 Table 实体类型的元数据；
This commit is contained in:
28810
2019-10-12 01:02:42 +08:00
parent 9a8d51da50
commit e823f9dcd0
43 changed files with 285 additions and 146 deletions
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32
FreeSql.DbContext/Repository/ContextSet/RepositoryDbContext.cs
View File

@ -54,19 +54,39 @@ namespace FreeSql
});
}
int SaveChangesSuccess()
{
int ret;
try
{
if (UnitOfWork == null) EmitOnEntityChange(_entityChangeReport);
else
{
var uow = UnitOfWork as UnitOfWork;
if (uow != null)
{
uow.EntityChangeReport.AddRange(_entityChangeReport);
if (uow.OnEntityChange == null) uow.OnEntityChange = Options.OnEntityChange;
}
}
}
finally
{
_entityChangeReport.Clear();
ret = _affrows;
_affrows = 0;
}
return ret;
}
public override int SaveChanges()
{
ExecCommand();
var ret = _affrows;
_affrows = 0;
return ret;
return SaveChangesSuccess();
}
async public override Task<int> SaveChangesAsync()
{
await ExecCommandAsync();
var ret = _affrows;
_affrows = 0;
return ret;
return SaveChangesSuccess();
}
}
}

47
FreeSql.DbContext/Repository/Repository/BaseRepository.cs
View File

@ -1,4 +1,5 @@
using System;
using FreeSql.Extensions.EntityUtil;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
@ -69,8 +70,22 @@ namespace FreeSql
public ISelect<TEntity> Where(Expression<Func<TEntity, bool>> exp) => _dbset.OrmSelectInternal(null).Where(exp);
public ISelect<TEntity> WhereIf(bool condition, Expression<Func<TEntity, bool>> exp) => _dbset.OrmSelectInternal(null).WhereIf(condition, exp);
public int Delete(Expression<Func<TEntity, bool>> predicate) => _dbset.OrmDeleteInternal(null).Where(predicate).ExecuteAffrows();
public Task<int> DeleteAsync(Expression<Func<TEntity, bool>> predicate) => _dbset.OrmDeleteInternal(null).Where(predicate).ExecuteAffrowsAsync();
public int Delete(Expression<Func<TEntity, bool>> predicate)
{
var delete = _dbset.OrmDeleteInternal(null).Where(predicate);
var sql = delete.ToSql();
var affrows = delete.ExecuteAffrows();
_db._entityChangeReport.Add(new DbContext.EntityChangeInfo { Object = sql, Type = DbContext.EntityChangeType.SqlRaw });
return affrows;
}
async public Task<int> DeleteAsync(Expression<Func<TEntity, bool>> predicate)
{
var delete = _dbset.OrmDeleteInternal(null).Where(predicate);
var sql = delete.ToSql();
var affrows = await delete.ExecuteAffrowsAsync();
_db._entityChangeReport.Add(new DbContext.EntityChangeInfo { Object = sql, Type = DbContext.EntityChangeType.SqlRaw });
return affrows;
}
public int Delete(TEntity entity)
{
@ -170,21 +185,23 @@ namespace FreeSql
{
}
public int Delete(TKey id)
TEntity CheckTKeyAndReturnIdEntity(TKey id)
{
var stateKey = string.Concat(id);
_dbset._statesInternal.TryRemove(stateKey, out var trystate);
return _dbset.OrmDeleteInternal(id).ExecuteAffrows();
}
public Task<int> DeleteAsync(TKey id)
{
var stateKey = string.Concat(id);
_dbset._statesInternal.TryRemove(stateKey, out var trystate);
return _dbset.OrmDeleteInternal(id).ExecuteAffrowsAsync();
var tb = _db.Orm.CodeFirst.GetTableByEntity(EntityType);
if (tb.Primarys.Length != 1) throw new Exception($"实体类型 {EntityType.Name} 主键数量不为 1，无法使用该方法");
if (tb.Primarys[0].CsType.NullableTypeOrThis() != typeof(TKey).NullableTypeOrThis()) throw new Exception($"实体类型 {EntityType.Name} 主键类型不为 {typeof(TKey).FullName}，无法使用该方法");
var obj = Activator.CreateInstance(tb.Type);
_db.Orm.SetEntityValueWithPropertyName(tb.Type, obj, tb.Primarys[0].CsName, id);
var ret = obj as TEntity;
if (ret == null) throw new Exception($"实体类型 {EntityType.Name} 无法转换为 {typeof(TEntity).Name}，无法使用该方法");
return ret;
}
public TEntity Find(TKey id) => _dbset.OrmSelectInternal(id).ToOne();
public Task<TEntity> FindAsync(TKey id) => _dbset.OrmSelectInternal(id).ToOneAsync();
public int Delete(TKey id) => Delete(CheckTKeyAndReturnIdEntity(id));
public Task<int> DeleteAsync(TKey id) => DeleteAsync(CheckTKeyAndReturnIdEntity(id));
public TEntity Find(TKey id) => _dbset.OrmSelectInternal(CheckTKeyAndReturnIdEntity(id)).ToOne();
public Task<TEntity> FindAsync(TKey id) => _dbset.OrmSelectInternal(CheckTKeyAndReturnIdEntity(id)).ToOneAsync();
public TEntity Get(TKey id) => Find(id);
public Task<TEntity> GetAsync(TKey id) => FindAsync(id);