CRM operation case entity

Using system;
Using Microsoft. xrm. SDK;
Using Microsoft. CRM. SDK. messages;
Using Microsoft. xrm. SDK. query;

/// <Summary>
/// Case
/// </Summary>
Public class incidenthelper
{
Public static readonly string entityname = "incident ";
Public guid incidentid = guid. empty;
Public iorganizationservice service;

/// <Summary>
/// Create a case
/// </Summary>
Public void create ()
{
Entity en = new entity () {logicalname = entityname };
En ["name"] = "case test ";
Incidentid = service. Create (en );
}

/// <Summary>
/// Calculate the total time spent in the case
/// </Summary>
Public void calculatetotaltimeincident ()
{
Calculatetotaltimeincidentrequest request = new calculatetotaltimeincidentrequest ();
Request. incidentid = incidentid;
Calculatetotaltimeincidentresponse response = (calculatetotaltimeincidentresponse) service. Execute (request );
Long time = response. totaltime;
}

/// <Summary>
/// Set the case status to "ended"
/// </Summary>
/// <Param name = "status"> end status </param>
Public void closeincident (INT status)
{
Closeincidentrequest request = new closeincidentrequest ();
Request. incidentresolution = new entity () {logicalname = entityname, id = incidentid };
Request. Status = new optionsetvalue (Status );
Closeincidentresponse response = (closeincidentresponse) service. Execute (request );
}

/// <Summary>
/// Verify whether the case can be terminated at any time
/// </Summary>
/// <Param name = "state"> active, resolved, canceled </param>
/// <Param name = "status"> inprogress: 1, onhold: 2, waitingfordetails: 3, researching: 4 </param>
/// <Param name = "status"> problemsolved: 5, informationprovided: 1000, canceled: 6 </param>
Public void isvalidstatetransition (string state, int status)
{
Isvalidstatetransitionrequest request = new isvalidstatetransitionrequest ();
Request. entity = new entityreference () {logicalname = entityname, id = incidentid };
Request. newstate = State;
Request. newstatus = status;
Isvalidstatetransitionresponse response = (isvalidstatetransitionresponse) service. Execute (request );
Bool isvalid = response. isvalid;
}

/// <Summary>
/// Delete all access permissions of the specified security subject (user or Team) to the case
/// </Summary>
/// <Param name = "revokee"> User or team reference </param>
Public void revokeaccess (entityreference revokee)
{
Revokeaccessrequest request = new revokeaccessrequest ();
Request. Target = new entityreference () {logicalname = entityname, id = incidentid };
Request. revokee = revokee;
Revokeaccessresponse response = (revokeaccessresponse) service. Execute (request );
}

/// <Summary>
/// Delete the case
/// </Summary>
Public void Delete ()
{
Service. Delete (entityname, incidentid );
}
}

CRM operation case entity