public IQueryable<ChannelEntity> GetChannelsByCondition(ChannelSearchCondition condition)
{
var query = _channelRepository.Table;
try
{
if (condition.Status.HasValue)
{
query = query.Where(q => q.Status == condition.Status.Value);
}
if (!string.IsNullOrEmpty(condition.Name))
{
query = query.Where(q => q.Name==condition.Name);
}
if (condition.Ids != null && condition.Ids.Any())
{
query = query.Where(q => condition.Ids.Contains(q.Id));
}
if(condition.OrderBy.HasValue)
{
switch (condition.OrderBy.Value)
{
case EnumChannelSearchOrderBy.OrderById:
query = condition.IsDescending?query.OrderByDescending(q=>q.Id):query.OrderBy(q=>q.Id);
break;
case EnumChannelSearchOrderBy.OrderByName:
query = condition.IsDescending?query.OrderByDescending(q=>q.Name):query.OrderBy(q=>q.Name);
break;
case EnumChannelSearchOrderBy.OrderByStatus:
query = condition.IsDescending?query.OrderByDescending(q=>q.Status):query.OrderBy(q=>q.Status);
break;
}
}
else
{
query = query.OrderBy(q=>q.Id);
}
if (condition.Page.HasValue && condition.PageCount.HasValue)
{
query = query.Skip((condition.Page.Value - 1)*condition.PageCount.Value).Take(condition.PageCount.Value);
}
return query;
}
catch(Exception e)
{
_log.Error(e,"数据库操作出错");
return null;
}
}
public HttpResponseMessage Index(string name = null,int page = 1, int pageSize = 10)
{
var channelCon = new ChannelSearchCondition
{
Name=name,
Page=page,
PageCount=pageSize
};
var channelList = _channelService.GetChannelsByCondition(channelCon).Select(a=> new ChannelModel
{
Id=a.Id,
Name=a.Name,
Status=a.Status,
}).ToList();
var totalCount = _channelService.GetChannelCount(channelCon);
return PageHelper.toJson(new{List=channelList,Condition=channelCon,TotalCount=totalCount});
}
public HttpResponseMessage Create(ChannelModel model)
{
Regex reg = new Regex(@"^[^ %@#!*~&',;=?$\x22]+$");
var m = reg.IsMatch(model.Name);
if (!m)
{
return PageHelper.toJson(PageHelper.ReturnValue(false, "存在非法字符！"));
}
else
{
var channelCon = new ChannelSearchCondition
{
Name = model.Name
};
var totalCount = _channelService.GetChannelCount(channelCon);
if (totalCount > 0)
{
return PageHelper.toJson(PageHelper.ReturnValue(false, "数据已存在！"));
}
else
{
var newParent = model.ParentId == 0 ? null : _channelService.GetChannelById(model.ParentId);
var channel = new ChannelEntity
{
Name = model.Name,
Status = model.Status,
Parent = newParent,
Adduser = _workContent.CurrentUser.Id,
Addtime = DateTime.Now,
UpdUser = _workContent.CurrentUser.Id,
UpdTime = DateTime.Now
};
if (_channelService.Create(channel) != null)
{
return PageHelper.toJson(PageHelper.ReturnValue(true, "数据添加成功！"));
}
else
{
return PageHelper.toJson(PageHelper.ReturnValue(false, "数据添加失败！"));
}
}
}
}
public HttpResponseMessage Edit(ChannelModel model)
{
Regex reg = new Regex(@"^[^ %@#!*~&',;=?$\x22]+$");
var m = reg.IsMatch(model.Name);
if (!m)
{
return PageHelper.toJson(PageHelper.ReturnValue(false, "存在非法字符！"));
}
else
{
var channel = _channelService.GetChannelById(model.Id);
if (channel.Name == model.Name)
{
var newParent = _channelService.GetChannelById(model.ParentId);
channel.Name = model.Name;
channel.Status = model.Status;
channel.UpdUser = _workContent.CurrentUser.Id;
channel.UpdTime = DateTime.Now;
channel.Parent = newParent;
if (_channelService.Update(channel) != null)
{
return PageHelper.toJson(PageHelper.ReturnValue(true, "数据更新成功！"));
}
else
{
return PageHelper.toJson(PageHelper.ReturnValue(false, "数据更新失败！"));
}
}
else
{
var channelCon = new ChannelSearchCondition
{
Name = model.Name
};
var totalCount = _channelService.GetChannelCount(channelCon);
if (totalCount > 0)
{
return PageHelper.toJson(PageHelper.ReturnValue(false, "数据已存在！"));
}
else
{
var newParent = _channelService.GetChannelById(model.ParentId);
channel.Name = model.Name;
channel.Status = model.Status;
channel.UpdUser = _workContent.CurrentUser.Id;
channel.UpdTime = DateTime.Now;
channel.Parent = newParent;
if (_channelService.Update(channel) != null)
{
return PageHelper.toJson(PageHelper.ReturnValue(true, "数据更新成功！"));
}
else
{
return PageHelper.toJson(PageHelper.ReturnValue(false, "数据更新失败！"));
}
}
}
}
}
public int GetChannelCount (ChannelSearchCondition condition)
{
var query = _channelRepository.Table;
try
{
if (condition.Status.HasValue)
{
query = query.Where(q => q.Status == condition.Status.Value);
}
if (!string.IsNullOrEmpty(condition.Name))
{
query = query.Where(q => q.Name==condition.Name);
}
if (condition.Ids != null && condition.Ids.Any())
{
query = query.Where(q => condition.Ids.Contains(q.Id));
}
return query.Count();
}
catch(Exception e)
{
_log.Error(e,"数据库操作出错");
return -1;
}
}
