sqlsugar/Src/OracleUS7ASCII/SqlSugar/Abstract/DeleteProvider/DeleteableProvider.cs

644 lines
28 KiB
C#

using System;
using System.Collections;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
namespace SqlSugar
{
public class DeleteableProvider<T> : IDeleteable<T> where T : class, new()
{
public ISqlSugarClient Context { get; set; }
public IAdo Db { get { return Context.Ado; } }
public ISqlBuilder SqlBuilder { get; set; }
public DeleteBuilder DeleteBuilder { get; set; }
public MappingTableList OldMappingTableList { get; set; }
public bool IsAs { get; set; }
public bool IsEnableDiffLogEvent { get; set; }
public DiffLogModel diffModel { get; set; }
public List<string> tempPrimaryKeys { get; set; }
internal Action RemoveCacheFunc { get; set; }
internal List<T> DeleteObjects { get; set; }
public EntityInfo EntityInfo
{
get
{
return this.Context.EntityMaintenance.GetEntityInfo<T>();
}
}
public void AddQueue()
{
var sqlObj = this.ToSql();
this.Context.Queues.Add(sqlObj.Key, sqlObj.Value);
}
public int ExecuteCommand()
{
string sql;
SugarParameter[] paramters;
_ExecuteCommand(out sql, out paramters);
var result = Db.ExecuteCommand(sql, paramters);
After(sql);
return result;
}
public bool ExecuteCommandHasChange()
{
return ExecuteCommand() > 0;
}
public async Task<int> ExecuteCommandAsync()
{
string sql;
SugarParameter[] paramters;
_ExecuteCommand(out sql, out paramters);
var result = await Db.ExecuteCommandAsync(sql, paramters);
After(sql);
return result;
}
public async Task<bool> ExecuteCommandHasChangeAsync()
{
return await ExecuteCommandAsync() > 0;
}
public IDeleteable<T> AsType(Type tableNameType)
{
return AS(this.Context.EntityMaintenance.GetEntityInfo(tableNameType).DbTableName);
}
public IDeleteable<T> AS(string tableName)
{
if (tableName == null) return this;
var entityName = typeof(T).Name;
IsAs = true;
OldMappingTableList = this.Context.MappingTables;
this.Context.MappingTables = this.Context.Utilities.TranslateCopy(this.Context.MappingTables);
if (this.Context.MappingTables.Any(it => it.EntityName == entityName))
{
this.Context.MappingTables.Add(this.Context.MappingTables.First(it => it.EntityName == entityName).DbTableName, tableName);
}
this.Context.MappingTables.Add(entityName, tableName);
return this; ;
}
public IDeleteable<T> EnableDiffLogEventIF(bool isEnableDiffLogEvent, object businessData = null)
{
if (isEnableDiffLogEvent)
{
return EnableDiffLogEvent(businessData);
}
else
{
return this;
}
}
public IDeleteable<T> EnableDiffLogEvent(object businessData = null)
{
diffModel = new DiffLogModel();
this.IsEnableDiffLogEvent = true;
diffModel.BusinessData = businessData;
diffModel.DiffType = DiffType.delete;
return this;
}
public IDeleteable<T> Where(List<T> deleteObjs)
{
this.DeleteObjects = deleteObjs;
if (deleteObjs == null || deleteObjs.Count() == 0)
{
Where(SqlBuilder.SqlFalse);
return this;
}
DataAop(deleteObjs);
string tableName = this.Context.EntityMaintenance.GetTableName<T>();
var primaryFields = this.GetPrimaryKeys();
var isSinglePrimaryKey = primaryFields.Count == 1;
Check.Exception(primaryFields.IsNullOrEmpty(), string.Format("Table {0} with no primarykey", tableName));
if (isSinglePrimaryKey)
{
List<object> primaryKeyValues = new List<object>();
var primaryField = primaryFields.Single();
foreach (var deleteObj in deleteObjs)
{
var entityPropertyName = this.Context.EntityMaintenance.GetPropertyName<T>(primaryField);
var columnInfo = EntityInfo.Columns.Single(it => it.PropertyName.Equals(entityPropertyName, StringComparison.CurrentCultureIgnoreCase));
var value = columnInfo.PropertyInfo.GetValue(deleteObj, null);
value = UtilMethods.GetConvertValue(value);
primaryKeyValues.Add(value);
}
if (primaryKeyValues.Count < 10000)
{
var inValueString = primaryKeyValues.ToArray().ToJoinSqlInVals();
Where(string.Format(DeleteBuilder.WhereInTemplate, SqlBuilder.GetTranslationColumnName(primaryFields.Single()), inValueString));
}
else
{
if (DeleteBuilder.BigDataInValues == null)
DeleteBuilder.BigDataInValues = new List<object>();
DeleteBuilder.BigDataInValues.AddRange(primaryKeyValues);
DeleteBuilder.BigDataFiled = primaryField;
}
}
else
{
StringBuilder whereInSql = new StringBuilder();
foreach (var deleteObj in deleteObjs)
{
StringBuilder orString = new StringBuilder();
var isFirst = deleteObjs.IndexOf(deleteObj) == 0;
if (!isFirst)
{
orString.Append(DeleteBuilder.WhereInOrTemplate + UtilConstants.Space);
}
int i = 0;
StringBuilder andString = new StringBuilder();
foreach (var primaryField in primaryFields)
{
if (i != 0)
andString.Append(DeleteBuilder.WhereInAndTemplate + UtilConstants.Space);
var entityPropertyName = this.Context.EntityMaintenance.GetPropertyName<T>(primaryField);
var columnInfo = EntityInfo.Columns.Single(it => it.PropertyName == entityPropertyName);
var entityValue = columnInfo.PropertyInfo.GetValue(deleteObj, null);
var tempequals = DeleteBuilder.WhereInEqualTemplate;
if (this.Context.CurrentConnectionConfig.MoreSettings != null && this.Context.CurrentConnectionConfig.MoreSettings.DisableNvarchar == true)
{
tempequals = $"{SqlBuilder.SqlTranslationLeft}{{0}}{SqlBuilder.SqlTranslationRight}='{{1}}' ";
}
if (this.Context.CurrentConnectionConfig.DbType == DbType.Oracle)
{
if (entityValue != null && UtilMethods.GetUnderType(entityValue.GetType()) == UtilConstants.DateType)
{
andString.AppendFormat("\"{0}\"={1} ", primaryField.ToUpper(), "to_date('" + entityValue.ObjToDate().ToString("yyyy-MM-dd HH:mm:ss") + "', 'YYYY-MM-DD HH24:MI:SS') ");
}
else
{
andString.AppendFormat(tempequals, primaryField.ToUpper(), entityValue);
}
}
else if (this.Context.CurrentConnectionConfig.DbType == DbType.PostgreSQL && (this.Context.CurrentConnectionConfig.MoreSettings == null || this.Context.CurrentConnectionConfig.MoreSettings?.PgSqlIsAutoToLower == true))
{
andString.AppendFormat("\"{0}\"={1} ", primaryField.ToLower(), new PostgreSQLExpressionContext().GetValue(entityValue));
}
else if (this.Context.CurrentConnectionConfig.DbType == DbType.SqlServer && entityValue != null && UtilMethods.GetUnderType(entityValue.GetType()) == UtilConstants.DateType)
{
andString.AppendFormat("\"{0}\"={1} ", primaryField, $"'{entityValue.ObjToDate().ToString("yyyy-MM-dd HH:mm:ss.fff")}'");
}
else
{
if ((columnInfo.SqlParameterDbType.ObjToString() == System.Data.DbType.AnsiString.ObjToString()) || !(entityValue is string) || this.Context.CurrentConnectionConfig?.MoreSettings?.DisableNvarchar == true)
{
tempequals = tempequals.Replace("=N'", "='");
}
entityValue = UtilMethods.GetConvertValue(entityValue);
andString.AppendFormat(tempequals, primaryField, entityValue);
}
++i;
}
orString.AppendFormat(DeleteBuilder.WhereInAreaTemplate, andString);
whereInSql.Append(orString);
}
Where(string.Format(DeleteBuilder.WhereInAreaTemplate, whereInSql.ToString()));
}
return this;
}
public IDeleteable<T> Where(Expression<Func<T, bool>> expression)
{
var expResult = DeleteBuilder.GetExpressionValue(expression, ResolveExpressType.WhereSingle);
var whereString = expResult.GetResultString();
if (expression.ToString().Contains("Subqueryable()")) {
whereString = whereString.Replace(this.SqlBuilder.GetTranslationColumnName(expression.Parameters.First().Name) + ".", this.SqlBuilder.GetTranslationTableName(this.EntityInfo.DbTableName) + ".");
}
else if (expResult.IsNavicate)
{
whereString = whereString.Replace(expression.Parameters.First().Name + ".", this.SqlBuilder.GetTranslationTableName(this.EntityInfo.DbTableName) + ".");
whereString = whereString.Replace(this.SqlBuilder.GetTranslationColumnName(expression.Parameters.First().Name) + ".", this.SqlBuilder.GetTranslationTableName(this.EntityInfo.DbTableName) + ".");
}
DeleteBuilder.WhereInfos.Add(whereString);
return this;
}
public IDeleteable<T> Where(T deleteObj)
{
Check.Exception(GetPrimaryKeys().IsNullOrEmpty(), "Where(entity) Primary key required");
Where(new List<T>() { deleteObj });
return this;
}
public IDeleteable<T> Where(string whereString, object parameters = null)
{
DeleteBuilder.WhereInfos.Add(whereString);
if (parameters != null)
{
if (DeleteBuilder.Parameters == null)
{
DeleteBuilder.Parameters = new List<SugarParameter>();
}
DeleteBuilder.Parameters.AddRange(Context.Ado.GetParameters(parameters));
}
return this;
}
public IDeleteable<T> Where(string whereString, SugarParameter parameter)
{
DeleteBuilder.WhereInfos.Add(whereString);
if (DeleteBuilder.Parameters == null)
{
DeleteBuilder.Parameters = new List<SugarParameter>();
}
DeleteBuilder.Parameters.Add(parameter);
return this;
}
public IDeleteable<T> Where(string whereString, SugarParameter[] parameters)
{
DeleteBuilder.WhereInfos.Add(whereString);
if (DeleteBuilder.Parameters == null)
{
DeleteBuilder.Parameters = new List<SugarParameter>();
}
DeleteBuilder.Parameters.AddRange(parameters);
return this;
}
public IDeleteable<T> Where(string whereString, List<SugarParameter> parameters)
{
DeleteBuilder.WhereInfos.Add(whereString);
if (DeleteBuilder.Parameters == null)
{
DeleteBuilder.Parameters = new List<SugarParameter>();
}
DeleteBuilder.Parameters.AddRange(parameters);
return this;
}
public IDeleteable<T> Where(List<IConditionalModel> conditionalModels)
{
if (conditionalModels.Count == 0)
{
return Where("1=2");
}
var sql = this.Context.Queryable<T>().SqlBuilder.ConditionalModelToSql(conditionalModels);
var result = this;
result.Where(sql.Key, sql.Value);
return result;
}
public IDeleteable<T> WhereColumns(T data, Expression<Func<T, object>> columns)
{
return WhereColumns(new List<T>() { data },columns);
}
public IDeleteable<T> WhereColumns(List<T> list,Expression<Func<T, object>> columns)
{
if (this.GetPrimaryKeys().IsNullOrEmpty())
{
tempPrimaryKeys = DeleteBuilder.GetExpressionValue(columns, ResolveExpressType.ArraySingle).GetResultArray().Select(it => this.SqlBuilder.GetNoTranslationColumnName(it)).ToList();
}
else if (columns != null && tempPrimaryKeys.IsNullOrEmpty())
{
tempPrimaryKeys = DeleteBuilder.GetExpressionValue(columns, ResolveExpressType.ArraySingle).GetResultArray().Select(it => this.SqlBuilder.GetNoTranslationColumnName(it)).ToList();
}
this.Where(list);
return this;
}
public IDeleteable<T> WhereColumns(List<Dictionary<string, object>> list)
{
List<IConditionalModel> conditionalModels = new List<IConditionalModel>();
foreach (var model in list)
{
int i = 0;
var clist = new List<KeyValuePair<WhereType, ConditionalModel>>();
foreach (var item in model.Keys)
{
clist.Add(new KeyValuePair<WhereType, ConditionalModel>(i == 0 ? WhereType.Or : WhereType.And, new ConditionalModel()
{
FieldName =item,
ConditionalType = ConditionalType.Equal,
FieldValue = model[item].ObjToString(),
CSharpTypeName = model[item]==null?null : model[item].GetType().Name
}));
i++;
}
conditionalModels.Add(new ConditionalCollections()
{
ConditionalList = clist
});
}
return this.Where(conditionalModels);
}
public IDeleteable<T> RemoveDataCache()
{
this.RemoveCacheFunc = () =>
{
var cacheService = this.Context.CurrentConnectionConfig.ConfigureExternalServices.DataInfoCacheService;
CacheSchemeMain.RemoveCache(cacheService, this.Context.EntityMaintenance.GetTableName<T>());
};
return this;
}
public IDeleteable<T> EnableQueryFilter()
{
var queryable = this.Context.Queryable<T>();
queryable.QueryBuilder.LambdaExpressions.ParameterIndex= 1000;
var sqlable= queryable.ToSql();
var whereInfos = Regex.Split(sqlable.Key, " Where ", RegexOptions.IgnoreCase);
if (whereInfos.Length > 1)
{
this.Where(whereInfos.Last(), sqlable.Value);
}
return this;
}
public SplitTableDeleteProvider<T> SplitTable(Func<List<SplitTableInfo>, IEnumerable<SplitTableInfo>> getTableNamesFunc)
{
this.Context.MappingTables.Add(this.EntityInfo.EntityName, this.EntityInfo.DbTableName);
SplitTableDeleteProvider<T> result = new SplitTableDeleteProvider<T>();
result.Context = this.Context;
SplitTableContext helper = new SplitTableContext((SqlSugarProvider)Context)
{
EntityInfo = this.EntityInfo
};
var tables = getTableNamesFunc(helper.GetTables());
result.Tables = tables;
result.deleteobj = this;
return result;
}
public SplitTableDeleteByObjectProvider<T> SplitTable()
{
SplitTableDeleteByObjectProvider<T> result = new SplitTableDeleteByObjectProvider<T>();
result.Context = this.Context;
Check.ExceptionEasy(this.DeleteObjects == null, "SplitTable() +0 only List<T> can be deleted", "SplitTable()无参数重载只支持根据实体集合删除");
result.deleteObjects = this.DeleteObjects.ToArray();
SplitTableContext helper = new SplitTableContext((SqlSugarProvider)Context)
{
EntityInfo = this.EntityInfo
};
result.deleteobj = this;
return result;
}
public LogicDeleteProvider<T> IsLogic()
{
LogicDeleteProvider<T> result = new LogicDeleteProvider<T>();
result.DeleteBuilder = this.DeleteBuilder;
result.Deleteable = this;
return result;
}
public IDeleteable<T> RemoveDataCache(string likeString)
{
this.RemoveCacheFunc = () =>
{
var cacheService = this.Context.CurrentConnectionConfig.ConfigureExternalServices.DataInfoCacheService;
CacheSchemeMain.RemoveCacheByLike(cacheService, likeString);
};
return this;
}
public IDeleteable<T> In<PkType>(List<PkType> primaryKeyValues)
{
if (primaryKeyValues == null || primaryKeyValues.Count() == 0)
{
Where(SqlBuilder.SqlFalse);
return this;
}
return In<PkType>(primaryKeyValues.ToArray());
}
public IDeleteable<T> In<PkType>(PkType[] primaryKeyValues)
{
if (primaryKeyValues == null || primaryKeyValues.Count() == 0)
{
Where(SqlBuilder.SqlFalse);
return this;
}
string tableName = this.Context.EntityMaintenance.GetTableName<T>();
string primaryField = null;
primaryField = GetPrimaryKeys().FirstOrDefault();
Check.ArgumentNullException(primaryField, "Table " + tableName + " with no primarykey");
if (primaryKeyValues.Length < 10000)
{
Where(string.Format(DeleteBuilder.WhereInTemplate, SqlBuilder.GetTranslationColumnName(primaryField), primaryKeyValues.ToJoinSqlInVals()));
}
else
{
if (DeleteBuilder.BigDataInValues == null)
DeleteBuilder.BigDataInValues = new List<object>();
DeleteBuilder.BigDataInValues.AddRange(primaryKeyValues.Select(it => (object)it));
DeleteBuilder.BigDataFiled = primaryField;
}
return this;
}
public IDeleteable<T> In<PkType>(PkType primaryKeyValue)
{
if (typeof(PkType).FullName.IsCollectionsList())
{
var newValues = new List<object>();
foreach (var item in primaryKeyValue as IEnumerable)
{
newValues.Add(item);
}
return In(newValues);
}
In(new PkType[] { primaryKeyValue });
return this;
}
public IDeleteable<T> In<PkType>(Expression<Func<T, object>> inField, PkType primaryKeyValue)
{
var lamResult = DeleteBuilder.GetExpressionValue(inField, ResolveExpressType.FieldSingle);
var fieldName = lamResult.GetResultString();
tempPrimaryKeys = new List<string>() { fieldName };
var result = In(primaryKeyValue);
tempPrimaryKeys = null;
return this;
}
public IDeleteable<T> In<PkType>(Expression<Func<T, object>> inField, PkType[] primaryKeyValues)
{
var lamResult = DeleteBuilder.GetExpressionValue(inField, ResolveExpressType.FieldSingle);
var fieldName = lamResult.GetResultString();
tempPrimaryKeys = new List<string>() { fieldName };
var result = In(primaryKeyValues);
tempPrimaryKeys = null;
return this;
}
public IDeleteable<T> In<PkType>(Expression<Func<T, object>> inField, List<PkType> primaryKeyValues)
{
var lamResult = DeleteBuilder.GetExpressionValue(inField, ResolveExpressType.FieldSingle);
var fieldName = lamResult.GetResultString();
tempPrimaryKeys = new List<string>() { fieldName };
var result = In(primaryKeyValues);
tempPrimaryKeys = null;
return this;
}
public IDeleteable<T> In<PkType>(string inField, List<PkType> primaryKeyValues)
{
tempPrimaryKeys = new List<string>() { inField };
var result = In(primaryKeyValues);
tempPrimaryKeys = null;
return this;
}
public IDeleteable<T> With(string lockString)
{
if (this.Context.CurrentConnectionConfig.DbType == DbType.SqlServer)
DeleteBuilder.TableWithString = lockString;
return this;
}
public virtual string ToSqlString()
{
var sqlObj = this.ToSql();
var result = sqlObj.Key;
if (result == null) return null;
result = UtilMethods.GetSqlString(this.Context.CurrentConnectionConfig, sqlObj);
return result;
}
public KeyValuePair<string, List<SugarParameter>> ToSql()
{
DeleteBuilder.EntityInfo = this.Context.EntityMaintenance.GetEntityInfo<T>();
string sql = DeleteBuilder.ToSqlString();
var paramters = DeleteBuilder.Parameters == null ? null : DeleteBuilder.Parameters.ToList();
RestoreMapping();
return new KeyValuePair<string, List<SugarParameter>>(sql, paramters);
}
private List<string> GetPrimaryKeys()
{
if (tempPrimaryKeys.HasValue())
{
return tempPrimaryKeys;
}
else if (this.Context.IsSystemTablesConfig)
{
return this.Context.DbMaintenance.GetPrimaries(this.Context.EntityMaintenance.GetTableName(this.EntityInfo.EntityName));
}
else
{
return this.EntityInfo.Columns.Where(it => it.IsPrimarykey).Select(it => it.DbColumnName).ToList();
}
}
private void _ExecuteCommand(out string sql, out SugarParameter[] paramters)
{
DeleteBuilder.EntityInfo = this.Context.EntityMaintenance.GetEntityInfo<T>();
sql = DeleteBuilder.ToSqlString();
paramters = DeleteBuilder.Parameters == null ? null : DeleteBuilder.Parameters.ToArray();
RestoreMapping();
AutoRemoveDataCache();
Before(sql);
}
protected virtual List<string> GetIdentityKeys()
{
if (this.Context.IsSystemTablesConfig)
{
return this.Context.DbMaintenance.GetIsIdentities(this.Context.EntityMaintenance.GetTableName(this.EntityInfo.EntityName));
}
else
{
return this.EntityInfo.Columns.Where(it => it.IsIdentity).Select(it => it.DbColumnName).ToList();
}
}
private void RestoreMapping()
{
if (IsAs)
{
this.Context.MappingTables = OldMappingTableList;
}
}
//private void TaskStart<Type>(Task<Type> result)
//{
// if (this.Context.CurrentConnectionConfig.IsShardSameThread)
// {
// Check.Exception(true, "IsShardSameThread=true can't be used async method");
// }
// result.Start();
//}
private void AutoRemoveDataCache()
{
var moreSetts = this.Context.CurrentConnectionConfig.MoreSettings;
var extService = this.Context.CurrentConnectionConfig.ConfigureExternalServices;
if (moreSetts != null && moreSetts.IsAutoRemoveDataCache && extService != null && extService.DataInfoCacheService != null)
{
this.RemoveDataCache();
}
}
private void After(string sql)
{
if (this.IsEnableDiffLogEvent)
{
var isDisableMasterSlaveSeparation = this.Context.Ado.IsDisableMasterSlaveSeparation;
this.Context.Ado.IsDisableMasterSlaveSeparation = true;
var parameters = DeleteBuilder.Parameters;
if (parameters == null)
parameters = new List<SugarParameter>();
diffModel.AfterData = null;
diffModel.Time = this.Context.Ado.SqlExecutionTime;
if (this.Context.CurrentConnectionConfig.AopEvents.OnDiffLogEvent != null)
this.Context.CurrentConnectionConfig.AopEvents.OnDiffLogEvent(diffModel);
this.Context.Ado.IsDisableMasterSlaveSeparation = isDisableMasterSlaveSeparation;
}
if (this.RemoveCacheFunc != null) {
this.RemoveCacheFunc();
}
}
private void Before(string sql)
{
if (this.IsEnableDiffLogEvent)
{
var isDisableMasterSlaveSeparation = this.Context.Ado.IsDisableMasterSlaveSeparation;
this.Context.Ado.IsDisableMasterSlaveSeparation = true;
var parameters = DeleteBuilder.Parameters;
if (parameters == null)
parameters = new List<SugarParameter>();
diffModel.BeforeData = GetDiffTable(sql, parameters);
diffModel.Sql = sql;
diffModel.Parameters = parameters.ToArray();
this.Context.Ado.IsDisableMasterSlaveSeparation = isDisableMasterSlaveSeparation;
}
}
private List<DiffLogTableInfo> GetDiffTable(string sql, List<SugarParameter> parameters)
{
List<DiffLogTableInfo> result = new List<DiffLogTableInfo>();
var whereSql = Regex.Replace(sql, ".* WHERE ", "", RegexOptions.Singleline);
var dt = this.Context.Queryable<T>().Filter(null, true).Where(whereSql).AddParameters(parameters).ToDataTable();
if (dt.Rows != null && dt.Rows.Count > 0)
{
foreach (DataRow row in dt.Rows)
{
DiffLogTableInfo item = new DiffLogTableInfo();
item.TableDescription = this.EntityInfo.TableDescription;
item.TableName = this.EntityInfo.DbTableName;
item.Columns = new List<DiffLogColumnInfo>();
foreach (DataColumn col in dt.Columns)
{
var sugarColumn = this.EntityInfo.Columns.Where(it => it.DbColumnName != null).First(it =>
it.DbColumnName.Equals(col.ColumnName, StringComparison.CurrentCultureIgnoreCase));
DiffLogColumnInfo addItem = new DiffLogColumnInfo();
addItem.Value = row[col.ColumnName];
addItem.ColumnName = col.ColumnName;
addItem.IsPrimaryKey = sugarColumn.IsPrimarykey;
addItem.ColumnDescription = sugarColumn.ColumnDescription;
item.Columns.Add(addItem);
}
result.Add(item);
}
}
return result;
}
private void DataAop(object deleteObj)
{
var dataEvent = this.Context.CurrentConnectionConfig.AopEvents?.DataExecuting;
if (deleteObj != null&& dataEvent!=null)
{
var model = new DataFilterModel()
{
OperationType = DataFilterType.DeleteByObject,
EntityValue = deleteObj,
EntityColumnInfo=this.EntityInfo.Columns.FirstOrDefault()
};
dataEvent(deleteObj,model);
}
}
}
}