/// <summary>
/// 查询流程实体数据
/// </summary>
/// <param name="processInstanceId"></param>
/// <returns></returns>
public WfWorkflowInstanceData GetWorkflowInstance(int processInstanceId)
{
using (BizDataContext context = new BizDataContext())
{
var piCache = new ProcessInstanceCacheFactory(context);
//实例信息
SysProcessInstance pi = piCache.GetProcessInstanceCache(processInstanceId);
SysProcess process = pi.Process;
//定义信息
WfWorkflowInstanceData data = new WfWorkflowInstanceData();
data.Process = process.ConvertTo <WfProcess>();
if (data.Process.TemplateId != null)
{
data.Process.ProcessTemplate = Convert.ToBase64String(data.Process.TemplateId);
data.Process.TemplateId = null;
}
data.ActivityList = process.Activities.ConvertTo <WfActivity>();
data.TransitionList = process.Transitions.ConvertTo <WfTransition>();
data.ProcessInstance = pi.ConvertTo <WfProcessInstance>();
data.ActivityInstanceList = pi.ActivityInstances.ConvertTo <WfActivityInstance>();
//加载活动实体信息
foreach (var ai in data.ActivityInstanceList)
{
LoadActivityEntityData(context, process, ai, data);
}
//连接线实例，这里表中少了个字段ProcessInstanceId，所以只能用这种方式来获取
data.TransitionInstanceList = new List <WfTransitionInstance>();
foreach (var ai in pi.ActivityInstances)
{
var tempList = ai.FromTransitionInstances.ConvertTo <WfTransitionInstance>();
data.TransitionInstanceList = data.TransitionInstanceList.Union(tempList).ToList();
}
piCache.ClearCache(processInstanceId);
return(data);
}
}
/// <summary>
/// 活动实体的内容
/// </summary>
/// <param name="process"></param>
/// <param name="activityInstance"></param>
/// <param name="data"></param>
private void LoadActivityEntityData(BizDataContext context, SysProcess process, WfActivityInstance activityInstance, WfWorkflowInstanceData data)
{
//实体名
string entityName = process.ActivityEntity.EntityName;
var es = IEntitySchemaHelper.Get(entityName);
//主键名
string keyFieldName = es.KeyName;// process.ActivityEntity.GetKeyFieldName();
//字段列表
var fieldList = process.ActivityEntity.Fields.ToList();
//签核流程
bool isApprove = process.ProcessCategory == (int)ProcessCategory.Approve;
if (isApprove)
{
SysApproveActivityData ad = context.FirstOrDefault <SysApproveActivityData>(p => p.ActivityInstanceId == activityInstance.ActivityInstanceId);
if (ad != null)
{
WfActivityEntityInstance entity = GetApproveEntityData(context, ad);
activityInstance.ActivityEntityInstance = entity;
}
}
else
{
//标哥说普通流程活动实例ID和活动实体ID是一样的……
int id = activityInstance.ActivityInstanceId;
dynamic entityData = (new OrgManager(context)).GetEntity(entityName, id);
if (entityData != null)
{
Type entityType = entityData.GetType();
WfActivityEntityInstance entity = new WfActivityEntityInstance()
{
ActivityEntityInstanceId = id,
};
//属性的键值对
entity.ActivityEntityInstanceData = entityType.GetProperties()
.Where(i => i.Name != keyFieldName && !IgnoreList.Contains(i.Name))
.ToDictionary(i => i.Name, i =>
{
var pValue = new WfActivityFieldData();
try
{
pValue.Value = Convert.ToString(i.GetValue(entityData, null));
}
catch { }
return(pValue);
});
//加上DisplayText
foreach (var i in entity.ActivityEntityInstanceData)
{
var field = fieldList.FirstOrDefault(q => q.FieldName.Contains(i.Key));
if (field != null)
{
i.Value.DisplayText = field.DisplayText;
}
else
{
i.Value.DisplayText = i.Key;
}
}
activityInstance.ActivityEntityInstance = entity;
}
}
}
