public static WorkflowJsonObject GetJsonObject(int id)
{
using (BasicWebContext context = new BasicWebContext())
{
WorkflowJsonObject json = new WorkflowJsonObject();
var inst = context.FlowInstances.Find(id);
var nodes = context.FlowNodes.Include("ToNodes").Where(x => x.WorkflowID == inst.WorkflowID).ToList();
var actions = context.FlowInstanceActions.Where(x => x.FlowInstanceID == id).OrderBy(x => x.PerformTime).ToList();
json.nodes = nodes.Select(x =>
{
string status = "unreached";
if (inst.CurrentNodeID == x.ID)
{
status = "current";
}
else if (actions.Any(y => y.FromNodeID == x.ID))
{
status = "passed";
}
return(new FlowNodeJsonObject {
name = x.Name, user = x.AllowedUsers, role = x.AllowedRoles, xpos = x.FlowChartPositionX, ypos = x.FlowChartPositionY, status = status
});
}).ToList();
json.connections = nodes.SelectMany(x => x.ToNodes.Select(y => new NodeConnectionJsonObject {
from = nodes.IndexOf(x), to = nodes.IndexOf(y), label = GetLabel(x, y)
})).ToList();
json.labels = context.FlowChartTextLabels.Where(x => x.WorkflowID == inst.WorkflowID).Select(x => new TextLabelJsonObject {
text = x.Text, xpos = x.PositionX, ypos = x.PositionY, centerAligned = x.CenterAligned, fontFamily = x.FontFamily, fontSize = x.FontSize
}).ToList();
return(json);
}
}
public static void New(string name, WorkflowJsonObject flow)
{
var nodes = new List <FlowNode>();
foreach (var jsonNode in flow.nodes)
{
FlowNode node = new FlowNode(Guid.NewGuid(), jsonNode.name, jsonNode.user, jsonNode.role, jsonNode.xpos, jsonNode.ypos);
nodes.Add(node);
}
foreach (var jsonConn in flow.connections)
{
nodes[jsonConn.from].ConnectTo(nodes[jsonConn.to]);
}
WorkflowManager.New(Guid.NewGuid(), name, nodes);
}
public static void UpdateFromJson(WorkflowJsonObject flow)
{
using (var context = new TongJi.Web.Models.BasicWebContext())
{
foreach (var node in flow.nodes)
{
var flowNode = context.FlowNodes.Find(node.id);
flowNode.Name = node.name;
flowNode.FlowChartPositionX = node.xpos;
flowNode.FlowChartPositionY = node.ypos;
flowNode.AllowedUsers = node.user;
flowNode.AllowedRoles = node.role;
}
context.SaveChanges();
}
}
public static WorkflowJsonObject GetJsonObject(Guid id)
{
using (BasicWebContext context = new BasicWebContext())
{
WorkflowJsonObject json = new WorkflowJsonObject();
var nodes = context.FlowNodes.Include("ToNodes").Where(x => x.WorkflowID == id).ToList();
json.id = id.ToString();
json.nodes = nodes.Select(x => new FlowNodeJsonObject {
id = x.ID.ToString(), name = x.Name, user = x.AllowedUsers, role = x.AllowedRoles, xpos = x.FlowChartPositionX, ypos = x.FlowChartPositionY, status = ""
}).ToList();
json.connections = nodes.SelectMany(x => x.ToNodes.Select(y => new NodeConnectionJsonObject {
from = nodes.IndexOf(x), to = nodes.IndexOf(y), label = GetLabel(x, y)
})).ToList();
json.labels = context.FlowChartTextLabels.Where(x => x.WorkflowID == id).Select(x => new TextLabelJsonObject {
text = x.Text, xpos = x.PositionX, ypos = x.PositionY, centerAligned = x.CenterAligned, fontFamily = x.FontFamily, fontSize = x.FontSize
}).ToList();
return(json);
}
}
