private void HandleRequest(string command)
{
switch (command)
{
case "PreserveSession":
{
Respond(User != null ? "true" : "false");
}
break;
case "GetCurrentUser":
{
Respond(User);
}
break;
case "GetDiagrams":
{
List <DGDiagram> dgs = DGDiagram.ByUserID(UserID);
Respond(dgs);
}
break;
case "GetSharedDiagrams":
{
if (UserID != 0)
{
Respond(DGVSharedDiagram.ByEmail(User.Name));
}
else
{
Respond("ERROR:Not Logged In");
}
}
break;
case "GetSharing":
{
if (UserID != 0)
{
Int64 diagramID = Convert.ToInt64(_Ctx.Request["DiagramID"]);
DGDiagram dg = DGDiagram.ByID(diagramID);
if (dg != null && dg.UserID == UserID)
{
Respond(DGShare.ByDiagram(diagramID));
}
}
}
break;
case "ShareDiagram":
{
if (UserID != 0)
{
string email = _Ctx.Request["Email"];
Int64 diagramID = Convert.ToInt64(_Ctx.Request["DiagramID"]);
DGDiagram dg = DGDiagram.ByID(diagramID);
if (dg.UserID == UserID)
{
dg.Share(email, DGSharePermisson.View);
Respond(DGShare.ByDiagram(diagramID));
}
else
{
Respond("ERROR:Permission Denied");
}
}
}
break;
case "UnshareDiagram":
{
if (UserID != 0)
{
string email = _Ctx.Request["Email"];
Int64 diagramID = Convert.ToInt64(_Ctx.Request["DiagramID"]);
DGDiagram dg = DGDiagram.ByID(diagramID);
if (dg.UserID == UserID)
{
dg.Unshare(email);
Respond(DGShare.ByDiagram(diagramID));
}
}
}
break;
case "SaveDiagram":
{
string def = _Ctx.Request["Diagram"];
JavaScriptSerializer ser = new JavaScriptSerializer();
JSDiagram dg = ser.Deserialize <JSDiagram>(def);
DGDiagram diagram = DGDiagram.ByUserID(UserID).ByID(dg.ID);
if (diagram == null)
{
diagram = new DGDiagram();
diagram.UserID = UserID;
}
if (diagram.UserID != UserID)
{
Respond("ERROR:Permission Denied");
}
else
{
diagram.Name = dg.Name;
diagram.PrimarySnapshot.DiagramData = def;
diagram.Save();
Respond(diagram.ID);
}
}
break;
case "TogglePublicAccess":
{
DGDiagram dg = DGDiagram.ByID(Convert.ToInt64(_Ctx.Request["ID"]));
if (dg != null)
{
if (dg.UserID == UserID)
{
dg.AllowPublicAccess = !dg.AllowPublicAccess;
dg.Save();
Respond(dg.AllowPublicAccess);
}
else
{
Respond("ERROR:Permission Denied");
}
}
}
break;
case "GetDiagram":
{
if (_Ctx.Request["ID"] == "WelcomeDiagram")
{
string email = ConfigurationManager.AppSettings["WelcomeDiagram Email"];
DGUser user = DGUser.ByName(email);
if (user != null)
{
DGDiagram dg = DGDiagram.ByUserID(user.ID).ByName(ConfigurationManager.AppSettings["WelcomeDiagram Name"]);
Respond(dg);
}
}
else
{
DGDiagram dg = DGDiagram.ByID(Convert.ToInt64(_Ctx.Request["ID"]));
if (dg != null)
{
if (dg.UserID == UserID ||
dg.AllowPublicAccess ||
DGShare.ByEmailAndDiagram(User.Name, dg.ID).Count > 0)
{
Respond(dg);
}
}
}
}
break;
case "DeleteDiagram":
{
DGDiagram dg = DGDiagram.ByUserID(UserID).ByID(Convert.ToInt64(_Ctx.Request["ID"]));
dg.Delete();
Respond("OK");
}
break;
case "AddSnapshot":
{
string def = _Ctx.Request["Snapshot"];
JavaScriptSerializer ser = new JavaScriptSerializer();
JSDiagram dg = ser.Deserialize <JSDiagram>(def);
// TODO: check user
DGDiagram diagram = DGDiagram.ByUserID(UserID).ByID(Convert.ToInt64(_Ctx.Request["DGID"]));
if (diagram != null)
{
DGSnapshot snapshot = new DGSnapshot()
{
Name = _Ctx.Request["Name"],
DiagramID = diagram.ID,
IsDefault = false,
DiagramData = def
};
snapshot.Save();
Respond(diagram.ID);
}
}
break;
case "GetSnapshots":
{
DGDiagram diagram = DGDiagram.ByID(Convert.ToInt64(_Ctx.Request["DGID"])) ?? new DGDiagram();
if (diagram.UserID == UserID ||
DGShare.ByEmailAndDiagram(User.Name, diagram.ID).Count > 0)
{
Respond(DGSnapshot.ByDiagramID(diagram.ID));
}
}
break;
case "DeleteSnapshot":
{
DGSnapshot snapshot = DGSnapshot.ByID(Convert.ToInt64(_Ctx.Request["ID"]));
if (snapshot != null)
{
if (snapshot.Diagram.UserID == User.ID)
{
snapshot.Delete();
Respond("OK");
}
else
{
Respond("ERROR:Permission Denied");
}
}
else
{
Respond("ERROR:Bad Input ID");
}
}
break;
case "LoadSnapshot":
{
DGSnapshot snapshot = DGSnapshot.ByID(Convert.ToInt64(_Ctx.Request["ID"]));
if (snapshot.Diagram.UserID == UserID ||
DGShare.ByEmailAndDiagram(User.Name, snapshot.Diagram.ID).Count > 0)
{
Respond(snapshot);
}
else
{
Respond("ERROR:Permission Denied");
}
}
break;
case "CreateScript":
{
string def = _Ctx.Request["Diagram"];
JavaScriptSerializer ser = new JavaScriptSerializer();
JSDiagram dg = ser.Deserialize <JSDiagram>(def);
dg.Relate();
SQAdapter adp = (_Ctx.Request["Lang"] == "MySQL") ? (SQAdapter) new MySQLAdapter()
: (_Ctx.Request["Lang"] == "SQL Server") ? (SQAdapter) new SQLServerAdapter()
: (_Ctx.Request["Lang"] == "PostgreSQL") ? (SQAdapter) new PostgreSQLAdapter()
: (SQAdapter) new SQLiteAdapter();
StringBuilder sb = new StringBuilder();
foreach (JSTable table in dg.Tables)
{
SQTable t = table.GetTable();
sb.AppendLine("-- Create Table: " + t.Name);
sb.AppendLine("--------------------------------------------------------------------------------");
sb.Append(adp.WriteCreateTable(t));
sb.AppendLine("");
sb.AppendLine("");
sb.AppendLine("");
}
foreach (JSFKey fk in dg.FKeys)
{
sb.AppendLine(string.Format("-- Create Foreign Key: {0}.{1} -> {2}.{3}", fk.From.GetTable().Name, fk.From.GetColumn().Name, fk.To.GetTable().Name, fk.To.GetColumn().Name));
sb.Append(adp.WriteAddForeignKey(fk.From.GetColumn().GetColumn(), fk.To.GetColumn().GetColumn()));
sb.AppendLine("");
sb.AppendLine("");
sb.AppendLine("");
}
Respond(sb.ToString());
}
break;
case "DoChangeScript":
{
}
break;
}
}
internal void Relate(JSDiagram dg)
{
Diagram = dg;
From.Relate(this);
To.Relate(this);
}
internal void Relate(JSDiagram dg)
{
Diagram = dg;
Columns.ForEach(x => x.Table = this);
}