/// <summary>
/// 单表增删改，列表中的实体类型相同
/// </summary>
/// <param name="p_list"></param>
/// <param name="p_isNotify"></param>
/// <returns></returns>
static async Task <bool> BatchSaveSameType(IList p_list, bool p_isNotify)
{
var model = EntitySchema.Get(p_list.GetType().GetGenericArguments()[0]);
if (model.OnSaving != null)
{
foreach (var item in p_list)
{
if (item != null && !await OnSaving(model, item))
{
return(false);
}
}
}
var dts = model.Schema.GetBatchSaveSql(p_list);
// 不需要保存
if (dts == null || dts.Count == 0)
{
if (p_isNotify)
{
Kit.Msg(_unchangedMsg);
}
return(false);
}
if (await BatchExec(dts) > 0)
{
if (p_list is Table tbl)
{
tbl.AcceptChanges();
}
else
{
foreach (var row in p_list.OfType <Row>())
{
if (row.IsChanged || row.IsAdded)
{
row.AcceptChanges();
}
}
}
if (p_isNotify)
{
Kit.Msg("保存成功！");
}
return(true);
}
if (p_isNotify)
{
Kit.Warn("保存失败！");
}
return(false);
}
/// <summary>
/// 返回所有实体列表
/// </summary>
/// <typeparam name="TEntity">实体类型</typeparam>
/// <returns></returns>
public static Task <Table <TEntity> > GetAll <TEntity>()
where TEntity : Entity
{
return(new UnaryRpc(
typeof(TSvc).Name,
"Da.Query",
EntitySchema.Get(typeof(TEntity)).Schema.GetSelectAllSql(),
null
).Call <Table <TEntity> >());
}
/// <summary>
/// 根据主键删除实体对象，仅支持单主键id，依靠数据库的级联删除自动删除子实体
/// </summary>
/// <typeparam name="TEntity">实体类型</typeparam>
/// <param name="p_id">主键</param>
/// <param name="p_isNotify">是否提示删除结果</param>
/// <returns>true 删除成功</returns>
public static async Task <bool> DelByID <TEntity>(long p_id, bool p_isNotify = true)
{
var model = EntitySchema.Get(typeof(TEntity));
bool suc = await Exec(model.Schema.SqlDelete, new { id = p_id }) == 1;
if (p_isNotify)
{
Kit.Msg(suc ? "删除成功！" : "删除失败！");
}
return(suc);
}
/// <summary>
/// 获取实体类型的定义
/// </summary>
/// <param name="p_type">实体类型</param>
/// <returns></returns>
public static EntitySchema Get(Type p_type)
{
if (_models.TryGetValue(p_type, out var m))
{
return(m);
}
var model = new EntitySchema(p_type);
_models[p_type] = model;
return(model);
}
async Task ApplyEventAndCache(Entity p_entity, EntitySchema p_model)
{
if (p_entity.IsAdded || p_entity.IsChanged)
{
// 不直接调用GatherSaveEvents，确保事件参数类型准确，不然发布事件时无法类型转换！
_gatherSaveEvents.MakeGenericMethod(p_entity.GetType()).Invoke(this, new object[] { p_entity, p_model });
//GatherSaveEvents(p_entity, p_model);
p_entity.AcceptChanges();
}
if (p_model.CacheHandler != null && !p_entity.IsAdded && p_entity.IsChanged)
{
await p_model.CacheHandler.Remove(p_entity);
}
}
/// <summary>
/// 单表批量删除
/// </summary>
/// <param name="p_list"></param>
/// <returns></returns>
async Task <int> BatchDeleteSameType(IList p_list)
{
var model = EntitySchema.Get(p_list.GetType().GetGenericArguments()[0]);
if (model.OnDeleting != null)
{
foreach (var item in p_list)
{
await(Task) model.OnDeleting.Invoke(item, null);
}
}
Dict dt = model.Schema.GetDeleteSql(p_list);
return(await BatchExecDelete(dt, p_list, model));
}
/// <summary>
/// 保存实体时收集待发布的领域事件
/// </summary>
/// <typeparam name="TEntity">实体类型</typeparam>
/// <param name="p_entity"></param>
/// <param name="p_model"></param>
void GatherSaveEvents <TEntity>(TEntity p_entity, EntitySchema p_model)
where TEntity : Entity
{
var events = p_entity.GetDomainEvents();
if (events != null)
{
AddDomainEvents(events);
}
if (p_model.CudEvent != CudEvent.None)
{
if (p_entity.IsAdded)
{
if ((p_model.CudEvent & CudEvent.LocalInsert) == CudEvent.LocalInsert)
{
AddDomainEvent(new DomainEvent(false, new InsertEvent <TEntity> {
Entity = p_entity
}));
}
if ((p_model.CudEvent & CudEvent.RemoteInsert) == CudEvent.RemoteInsert)
{
AddDomainEvent(new DomainEvent(true, new InsertEvent <TEntity> {
Entity = p_entity
}));
}
}
else if (p_entity.IsChanged)
{
if ((p_model.CudEvent & CudEvent.LocalUpdate) == CudEvent.LocalUpdate)
{
AddDomainEvent(new DomainEvent(false, new UpdateEvent <TEntity> {
Entity = p_entity
}));
}
if ((p_model.CudEvent & CudEvent.RemoteUpdate) == CudEvent.RemoteUpdate)
{
AddDomainEvent(new DomainEvent(true, new UpdateEvent <TEntity> {
Entity = p_entity
}));
}
}
}
}
/// <summary>
/// 保存实体数据
/// </summary>
/// <typeparam name="TEntity">实体类型</typeparam>
/// <param name="p_entity">待保存的实体</param>
/// <param name="p_isNotify">是否提示保存结果</param>
/// <returns>是否成功</returns>
public static async Task <bool> Save <TEntity>(TEntity p_entity, bool p_isNotify = true)
where TEntity : Entity
{
if (p_entity == null ||
(!p_entity.IsAdded && !p_entity.IsChanged))
{
if (p_isNotify)
{
Kit.Warn(_unchangedMsg);
}
return(false);
}
var model = EntitySchema.Get(typeof(TEntity));
if (model.OnSaving != null)
{
// 保存前外部校验，不合格在外部抛出异常
if (!await OnSaving(model, p_entity))
{
return(false);
}
}
Dict dt = model.Schema.GetSaveSql(p_entity);
int cnt = await Exec((string)dt["text"], (Dict)dt["params"]);
if (cnt > 0)
{
p_entity.AcceptChanges();
if (p_isNotify)
{
Kit.Msg("保存成功！");
}
return(true);
}
if (p_isNotify)
{
Kit.Warn("保存失败！");
}
return(false);
}
/// <summary>
/// 多表批量删除
/// </summary>
/// <param name="p_list"></param>
/// <returns></returns>
async Task <int> BatchDeleteMultiTypes(IList p_list)
{
int cnt = 0;
foreach (var item in p_list)
{
if (item is Entity entity)
{
var model = EntitySchema.Get(item.GetType());
if (model.OnDeleting != null)
{
await(Task) model.OnDeleting.Invoke(item, null);
}
var ls = new List <Row> {
entity
};
Dict dt = model.Schema.GetDeleteSql(ls);
cnt += await BatchExecDelete(dt, ls, model);
}
else if (item is IList clist && clist.Count > 0)
{
Type tp = item.GetType();
if (tp.IsGenericType && tp.GetGenericArguments()[0].IsSubclassOf(typeof(Entity)))
{
// IList<Entity> 或 Table<Entity>
var model = EntitySchema.Get(tp.GetGenericArguments()[0]);
if (model.OnDeleting != null)
{
foreach (var ci in clist)
{
await(Task) model.OnDeleting.Invoke(item, null);
}
}
Dict dt = model.Schema.GetDeleteSql(clist);
cnt += await BatchExecDelete(dt, clist, model);
}
}
}
return(cnt);
}
/// <summary>
/// 删除实体，同步删除缓存，依靠数据库的级联删除自动删除子实体
/// </summary>
/// <typeparam name="TEntity">实体类型</typeparam>
/// <param name="p_entity">待删除的实体</param>
/// <returns>true 删除成功</returns>
public async Task <bool> Delete <TEntity>(TEntity p_entity)
where TEntity : Entity
{
Throw.IfNull(p_entity, _saveError);
var model = EntitySchema.Get(typeof(TEntity));
if (model.OnDeleting != null)
{
await(Task) model.OnDeleting.Invoke(p_entity, null);
}
Dict dt = model.Schema.GetDeleteSql(new List <Entity> {
p_entity
});
return(await BatchExecDelete(dt, new List <Entity> {
p_entity
}, model) == 1);
}
/// <summary>
/// 删除前外部校验，不合格在外部抛出异常
/// </summary>
/// <param name="p_model"></param>
/// <param name="p_entity"></param>
/// <returns></returns>
static async Task <bool> OnDeleting(EntitySchema p_model, object p_entity)
{
try
{
await(Task) p_model.OnDeleting.Invoke(p_entity, null);
}
catch (Exception ex)
{
if (ex.InnerException is KnownException kex)
{
Kit.Warn(kex.Message);
}
else
{
Kit.Warn(ex.Message);
}
return(false);
}
return(true);
}
public ChildEntitySchema(Type p_type, PropertyInfo p_propInfo, string p_parentID)
{
var tbl = p_type.GetCustomAttribute <TblAttribute>(false);
if (tbl == null || string.IsNullOrEmpty(tbl.Name))
{
throw new Exception($"实体{p_type.Name}缺少映射表设置！");
}
Type = p_type;
PropInfo = p_propInfo;
ParentID = p_parentID;
Schema = EntitySchema.GetTableSchema(tbl.Name);
if (Schema.PrimaryKey.Count == 0)
{
throw new Exception($"实体{p_type.Name}的映射表{Schema.Name}无主键！");
}
// sql变量名parentid固定
SqlSelect = $"select * from `{Schema.Name}` where {ParentID}=@parentid";
}
/// <summary>
/// 删除实体，依靠数据库的级联删除自动删除子实体
/// </summary>
/// <typeparam name="TEntity">实体类型</typeparam>
/// <param name="p_entity">待删除的行</param>
/// <param name="p_isNotify">是否提示删除结果</param>
/// <returns>true 删除成功</returns>
public static async Task <bool> Delete <TEntity>(TEntity p_entity, bool p_isNotify = true)
where TEntity : Entity
{
if (p_entity == null || p_entity.IsAdded)
{
if (p_isNotify)
{
Kit.Warn(_saveError);
}
return(false);
}
var model = EntitySchema.Get(typeof(TEntity));
if (model.OnDeleting != null)
{
if (!await OnDeleting(model, p_entity))
{
return(false);
}
}
Dict dt = model.Schema.GetDeleteSql(new List <Row> {
p_entity
});
bool suc = await Exec((string)dt["text"], ((List <Dict>)dt["params"])[0]) == 1;
if (p_isNotify)
{
if (suc)
{
Kit.Msg("删除成功！");
}
else
{
Kit.Warn("删除失败！");
}
}
return(suc);
}
/// <summary>
/// 将实体数据传输到服务端，由服务端DataProvider保存实体，用于需要触发领域事件或同步缓存的情况
/// </summary>
/// <typeparam name="TEntity">实体类型</typeparam>
/// <param name="p_entity">待保存的实体</param>
/// <param name="p_isNotify">是否提示保存结果</param>
/// <returns>是否成功</returns>
public static async Task <bool> SaveBySvc <TEntity>(TEntity p_entity, bool p_isNotify = true)
where TEntity : Entity
{
if (p_entity == null ||
(!p_entity.IsAdded && !p_entity.IsChanged))
{
if (p_isNotify)
{
Kit.Warn(_unchangedMsg);
}
return(false);
}
var model = EntitySchema.Get(typeof(TEntity));
bool suc = await new UnaryRpc(
typeof(TSvc).Name,
"EntityAccess.Save",
p_entity,
model.Schema.Name
).Call <bool>();
if (suc)
{
p_entity.AcceptChanges();
if (p_isNotify)
{
Kit.Msg("保存成功！");
}
return(true);
}
if (p_isNotify)
{
Kit.Warn("保存失败！");
}
return(false);
}
/// <summary>
/// 单表增删改，列表中的实体类型相同
/// </summary>
/// <param name="p_list"></param>
/// <returns></returns>
async Task <bool> BatchSaveSameType(IList p_list)
{
var model = EntitySchema.Get(p_list.GetType().GetGenericArguments()[0]);
if (model.OnSaving != null)
{
foreach (var item in p_list)
{
await(Task) model.OnSaving.Invoke(item, null);
}
}
var dts = model.Schema.GetBatchSaveSql(p_list);
// 不需要保存
if (dts == null || dts.Count == 0)
{
Throw.Msg(_unchangedMsg);
}
await BatchExec(dts);
// 实体事件、缓存
foreach (var entity in p_list.OfType <Entity>())
{
if (entity.IsChanged || entity.IsAdded)
{
await ApplyEventAndCache(entity, model);
}
}
if (p_list is Table tbl)
{
tbl.DeletedRows?.Clear();
}
return(true);
}
/// <summary>
/// 单表批量执行，运行sql删除、收集领域事件、同步缓存
/// </summary>
/// <param name="p_dt"></param>
/// <param name="p_list"></param>
/// <param name="p_model"></param>
/// <returns></returns>
async Task <int> BatchExecDelete(Dict p_dt, IList p_list, EntitySchema p_model)
{
int cnt = 0;
string sql = (string)p_dt["text"];
List <Dict> ls = (List <Dict>)p_dt["params"];
var db = _db;
for (int i = 0; i < p_list.Count; i++)
{
if (await db.Exec(sql, ls[i]) == 1)
{
cnt++;
var entity = p_list[i];
// 删除实体事件，不直接调GatherDelEvents！
_gatherDelEvents.MakeGenericMethod(entity.GetType()).Invoke(this, new object[] { entity, p_model });
// 删除缓存
if (p_model.CacheHandler != null)
{
await p_model.CacheHandler.Remove(entity as Entity);
}
}
}
return(cnt);
}
/// <summary>
/// 根据主键或唯一索引列获得实体对象(包含所有列值)，仅支持单主键
/// 不存在时返回null，启用缓存时首先从缓存中获取
/// </summary>
/// <typeparam name="TEntity">实体类型</typeparam>
/// <param name="p_keyName">主键列名</param>
/// <param name="p_keyVal">主键值</param>
/// <returns>返回实体对象或null</returns>
public async Task <TEntity> GetByKey <TEntity>(string p_keyName, string p_keyVal)
where TEntity : Entity
{
var model = EntitySchema.Get(typeof(TEntity));
TEntity entity = null;
if (model.CacheHandler != null)
{
entity = await model.CacheHandler.Get <TEntity>(p_keyName, p_keyVal);
}
if (entity == null)
{
entity = await _db.First <TEntity>(
$"select * from `{model.Schema.Name}` where {p_keyName}=@{p_keyName}",
new Dict { { p_keyName, p_keyVal } });
if (entity != null && model.CacheHandler != null)
{
await model.CacheHandler.Cache(entity);
}
}
return(entity);
}
/// <summary>
/// 返回所有实体列表
/// </summary>
/// <typeparam name="TEntity">实体类型</typeparam>
/// <returns></returns>
public Task <Table <TEntity> > GetAll <TEntity>()
where TEntity : Entity
{
return(_db.Query <TEntity>(EntitySchema.Get(typeof(TEntity)).Schema.GetSelectAllSql(), null));
}
/// <summary>
/// 多表批量删除
/// </summary>
/// <param name="p_list"></param>
/// <param name="p_isNotify"></param>
/// <returns></returns>
static async Task <bool> BatchDeleteMultiTypes(IList p_list, bool p_isNotify)
{
var dts = new List <Dict>();
foreach (var item in p_list)
{
if (item is Entity entity)
{
var model = EntitySchema.Get(item.GetType());
if (model.OnDeleting != null)
{
if (!await OnDeleting(model, entity))
{
return(false);
}
}
dts.Add(model.Schema.GetDeleteSql(new List <Row> {
entity
}));
}
else if (item is IList clist && clist.Count > 0)
{
Type tp = item.GetType();
if (tp.IsGenericType && tp.GetGenericArguments()[0].IsSubclassOf(typeof(Entity)))
{
// IList<Entity> 或 Table<Entity>
var model = EntitySchema.Get(tp.GetGenericArguments()[0]);
if (model.OnDeleting != null)
{
foreach (var ci in clist)
{
if (!await OnDeleting(model, ci))
{
return(false);
}
}
}
dts.Add(model.Schema.GetDeleteSql(clist));
}
}
}
// 不需要删除
if (dts == null || dts.Count == 0)
{
if (p_isNotify)
{
Kit.Msg(_unchangedMsg);
}
return(true);
}
bool suc = await BatchExec(dts) > 0;
if (p_isNotify)
{
if (suc)
{
Kit.Msg("删除成功！");
}
else
{
Kit.Warn("删除失败！");
}
}
return(suc);
}
/// <summary>
/// 多表增删改
/// </summary>
/// <param name="p_list"></param>
/// <returns></returns>
async Task <bool> BatchSaveMultiTypes(IList p_list)
{
var dts = new List <Dict>();
foreach (var item in p_list)
{
if (item is Entity entity)
{
if (entity.IsAdded || entity.IsChanged)
{
var model = EntitySchema.Get(item.GetType());
if (model.OnSaving != null)
{
await(Task) model.OnSaving.Invoke(entity, null);
}
dts.Add(model.Schema.GetSaveSql(entity));
}
}
else if (item is IList clist)
{
// 不判断列表项数0，因可能Table<Entity>只包含删除列表的情况！
Type tp = item.GetType();
if (tp.IsGenericType && tp.GetGenericArguments()[0].IsSubclassOf(typeof(Entity)))
{
// IList<Entity> 或 Table<Entity>
var model = EntitySchema.Get(tp.GetGenericArguments()[0]);
if (model.OnSaving != null)
{
foreach (var ci in clist)
{
await(Task) model.OnSaving.Invoke(ci, null);
}
}
var cdts = model.Schema.GetBatchSaveSql(clist);
if (cdts != null && cdts.Count > 0)
{
dts.AddRange(cdts);
}
}
}
}
// 不需要保存
if (dts == null || dts.Count == 0)
{
Throw.Msg(_unchangedMsg);
}
await BatchExec(dts);
foreach (var item in p_list)
{
if (item is Entity entity)
{
if (entity.IsChanged || entity.IsAdded)
{
await ApplyEventAndCache(entity, EntitySchema.Get(item.GetType()));
}
}
else if (item is IList clist && clist.Count > 0)
{
Type tp = item.GetType();
if (tp.IsGenericType && tp.GetGenericArguments()[0].IsSubclassOf(typeof(Entity)))
{
// IList<Entity> 或 Table<Entity>
var model = EntitySchema.Get(tp.GetGenericArguments()[0]);
foreach (var row in clist.OfType <Entity>())
{
if (row.IsAdded || row.IsChanged)
{
await ApplyEventAndCache(row, model);
}
}
if (item is Table tbl)
{
tbl.DeletedRows?.Clear();
}
}
}
}
return(true);
}
/// <summary>
/// 多表增删改
/// </summary>
/// <param name="p_list"></param>
/// <param name="p_isNotify"></param>
/// <returns></returns>
static async Task <bool> BatchSaveMultiTypes(IList p_list, bool p_isNotify)
{
var dts = new List <Dict>();
foreach (var item in p_list)
{
if (item is Entity entity)
{
if (entity.IsAdded || entity.IsChanged)
{
var model = EntitySchema.Get(item.GetType());
if (model.OnSaving != null)
{
if (!await OnSaving(model, entity))
{
return(false);
}
}
dts.Add(model.Schema.GetSaveSql(entity));
}
}
else if (item is IList clist)
{
// 不判断列表项数0，因可能Table<Entity>只包含删除列表的情况！
Type tp = item.GetType();
if (tp.IsGenericType && tp.GetGenericArguments()[0].IsSubclassOf(typeof(Entity)))
{
// IList<Entity> 或 Table<Entity>
var model = EntitySchema.Get(tp.GetGenericArguments()[0]);
if (model.OnSaving != null)
{
foreach (var ci in clist)
{
if (!await OnSaving(model, ci))
{
return(false);
}
}
}
var cdts = model.Schema.GetBatchSaveSql(clist);
if (cdts != null && cdts.Count > 0)
{
dts.AddRange(cdts);
}
}
}
}
// 不需要保存
if (dts == null || dts.Count == 0)
{
if (p_isNotify)
{
Kit.Msg(_unchangedMsg);
}
return(true);
}
bool suc = await BatchExec(dts) > 0;
if (suc)
{
foreach (var item in p_list)
{
if (item is Entity entity)
{
entity.AcceptChanges();
}
else if (item is Table tbl)
{
tbl.AcceptChanges();
tbl.DeletedRows?.Clear();
}
else if (item is IList clist && clist.Count > 0)
{
foreach (var ci in clist)
{
if (ci is Row row &&
(row.IsAdded || row.IsChanged))
{
row.AcceptChanges();
}
}
}
}
if (p_isNotify)
{
Kit.Msg("保存成功！");
}
return(true);
}
if (p_isNotify)
{
Kit.Warn("保存失败！");
}
return(false);
}
/// <summary>
/// 根据主键获得实体对象(包含所有列值)，仅支持单主键id，不存在时返回null
/// </summary>
/// <typeparam name="TEntity">实体类型</typeparam>
/// <param name="p_id">主键</param>
/// <returns>返回实体对象或null</returns>
public static Task <TEntity> GetByID <TEntity>(long p_id)
where TEntity : Entity
{
return(First <TEntity>(EntitySchema.Get(typeof(TEntity)).Schema.SqlSelect, new { id = p_id }));
}
