tbf/SharedDatabase/TracingDB.cs
2022-01-12 07:53:03 +01:00

470 lines
20 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using FluentNHibernate.Cfg;
using FluentNHibernate.Cfg.Db;
using NHibernate;
using NHibernate.Cfg;
using NHibernate.Tool.hbm2ddl;
using log4net;
using SharedDatabase.Entities;
namespace SharedDatabase
{
public static class TracingDB
{
static readonly ILog log = LogManager.GetLogger(typeof(TracingDB));
/// <summary>
/// Current session factory for the last used connection string or null
/// </summary>
public static ISessionFactory SessionFactory;
public static ISession Session;
/// <summary>
/// Connection string for all sessions
/// </summary>
private static string connectionString;
public static string ConnectionString
{
get { return connectionString; }
set
{
if (value != connectionString)
{
connectionString = value;
SessionFactory = null; /// Clear SessionFactory on connection string change
}
}
}
/// <summary>
/// NHibernate session factory (to create the database session 'SessionFactory')
/// </summary>
/// <returns>A database session</returns>
static ISessionFactory CreateSessionFactory()
{
return CreateSessionFactory(false);
}
/// <summary>
/// NHibernate session factory (to create the database session 'SessionFactory')
/// </summary>
/// <returns>A database session</returns>
public static ISessionFactory CreateSessionFactory(bool createDB)
{
FluentConfiguration cfg = Fluently
.Configure()
.Database(MySQLConfiguration.Standard.ConnectionString(connectionString))
.Mappings(m => m.FluentMappings.AddFromAssemblyOf<Process>());
if (createDB)
{
return cfg.ExposeConfiguration(BuildSchemaCreate).BuildSessionFactory();
}
else
{
return cfg.ExposeConfiguration(BuildSchema).BuildSessionFactory();
}
}
public delegate void BuildSchemaDlgt(Configuration config);
public static void BuildSchema(Configuration config)
{
/// This NHibernate tool takes a configuration (with mapping info in)
/// and exports a database schema from it
new SchemaExport(config).SetOutputFile("db_schema");
}
static void BuildSchemaCreate(Configuration config)
{
/// This NHibernate tool takes a configuration (with mapping info in)
/// and exports a database schema from it
new SchemaExport(config).Create(true, true);
}
/// Create a NHibernate session for the given database
public static ISession CreateSession(string connectionString)
{
ConnectionString = connectionString; /// Clears session factory on connction string change
if (SessionFactory == null)
SessionFactory = CreateSessionFactory();
return SessionFactory.OpenSession();
}
/// <summary>
/// Create an empty database.
/// Database contains only the user 'admin' and the control board component 'CB'.
/// </summary>
/// <param name="dbType">DBType.SQLite or DBType.MySql</param>
/// <param name="connectionString">Connection string</param>
/// <returns>true=success, false=error</returns>
public static bool CreateEmptyDB(string connectionString)
{
ConnectionString = connectionString;
ISessionFactory sessionFactory = CreateSessionFactory(true);
if (sessionFactory == null) return false;
/// Populate the database
using (var session = sessionFactory.OpenSession())
{
//using (var transaction = session.BeginTransaction())
//{
// var part1 = new Part("flow tube", CodeType.UniqueNr, CodeForm.QRCode, 0);
// session.SaveOrUpdate(part1);
// transaction.Commit();
//}
}
return true;
}
/// <summary>
/// Save a reference record and related records into the database.
/// </summary>
/// <param name="session">DB session</param>
/// <param name="refRecord">Referece record</param>
public static void SaveRecords(ISession session, ReferenceRecord refRecord)
{
log.Info("Saving data to MySQL database");
session.SaveOrUpdate(refRecord);
log.InfoFormat(" ReferenceRecord : {0}", refRecord);
foreach (var r in refRecord.Records)
{
session.SaveOrUpdate(r);
log.InfoFormat(" Record : {0}", r);
}
}
/// <summary>
/// Delete a reference record and related records from the database.
/// </summary>
/// <param name="session">DB session</param>
/// <param name="refRecord">Reference record</param>
public static void DeleteRecords(ISession session, ReferenceRecord refRecord)
{
log.Info("Deleting data from MySQL database");
foreach (var r in refRecord.Records)
{
session.Delete(r);
log.InfoFormat(" Record : {0}", r);
}
session.Delete(refRecord);
log.InfoFormat(" ReferenceRecord : {0}", refRecord);
}
/// <summary>
/// Find a reference record of product specified by one of unique S/N-s (code)
/// and get it's workflow and the current order.
/// </summa
/// <param name="session">DB session</param>
/// <param name="code">One of unique serial numbers identifying the product</param>
/// <param name="codeIx">1,2,3 or 4</param>
/// <returns>Workflow of the specified part</returns>
public static ReferenceRecord FindReferenceRecord(ISession session, string code, int codeIx)
{
if (string.IsNullOrEmpty(code)) return null;
try
{
/// Read all already existing reference records with Code# == code, referenceRecords[0] will be the most recent one
IQueryOver<ReferenceRecord,ReferenceRecord> query = session.QueryOver<ReferenceRecord>();
switch (codeIx)
{
default:
case 1: query = query.Where(rr => rr.Code1 == code); break;
case 2: query = query.Where(rr => rr.Code2 == code); break;
case 3: query = query.Where(rr => rr.Code3 == code); break;
case 4: query = query.Where(rr => rr.Code4 == code); break;
}
var referenceRecords = query.OrderBy(rr => rr.Timestamp).Desc.List();
if (referenceRecords.Count == 1) return referenceRecords[0];
return null;
}
catch
{
return null;
}
}
public static Process GetWorkflowAndWorkstep(string workflowName, string workstepRootName, out Workstep workstep,
out string previousStepName, out string part1name, out string part2name,
ISession session = null)
{
workstep = null;
previousStepName = null;
part1name = null;
part2name = null;
if (string.IsNullOrEmpty(workflowName)) return null;
bool openAndCloseSession = (session == null) || !session.IsOpen;
try
{
if (openAndCloseSession) session = SessionFactory.OpenSession();
var wflows = session.QueryOver<Process>()
.Where(x => x.Name == workflowName)
.And(x => (x.ReleaseStatus == ReleaseStatus.ToBeApproved ||
x.ReleaseStatus == ReleaseStatus.Released ||
x.ReleaseStatus == ReleaseStatus.ReleasedActive))
.List();
if (wflows.Count == 1)
{
workstep = wflows[0].Worksteps.FirstOrDefault(x => x.Name.ToLower().Contains(workstepRootName));
int previousStepNr = workstep.WorkstepNr - 1;
var previousStep = (previousStepNr < 1) ? null : wflows[0].Worksteps.FirstOrDefault(x => x.WorkstepNr == previousStepNr);
var part1 = wflows[0].Parts.FirstOrDefault(x => x.StepNumber == 1);
var part2 = wflows[0].Parts.FirstOrDefault(x => x.StepNumber == 2);
if (previousStep != null) previousStepName = previousStep.Name;
if (part1 != null) part1name = part1.Name;
if (part2 != null) part2name = part2.Name;
}
if (openAndCloseSession) session.Close();
if (wflows.Count == 1) return wflows[0]; /// Successful
///
return null;
}
catch (Exception exc)
{
if (session != null && session.IsOpen) session.Close();
log.ErrorFormat("GetWorkflow({0}) failed: {1}", workflowName, exc.Message);
return null;
}
}
/// <summary>
/// Updates processes, processDictionary and workstepsDictionary
/// </summary>
/// <param name="session">DB session</param>
public static IList<Process> ReadWorkflowsFromDB(ISession session,
string thisWorkstepName,
out Dictionary<int, Process> workflowDict,
out Dictionary<int, IList<Workstep>> workflowStepsDict,
out Dictionary<int, ScanVerificationInfo> verifInfos,
bool readDeactivatedWorkflows = false)
{
IList<Process> workflows;
if (readDeactivatedWorkflows)
{
workflows = session.QueryOver<Process>().Where(pr => ((pr.ReleaseStatus == ReleaseStatus.Released) ||
(pr.ReleaseStatus == ReleaseStatus.ReleasedActive) ||
(pr.ReleaseStatus == ReleaseStatus.ToBeApproved) ||
(pr.ReleaseStatus == ReleaseStatus.Deactivated)
)).List();
}
else
{
workflows = session.QueryOver<Process>().Where(pr => ((pr.ReleaseStatus == ReleaseStatus.Released) ||
(pr.ReleaseStatus == ReleaseStatus.ReleasedActive) ||
(pr.ReleaseStatus == ReleaseStatus.ToBeApproved)
)).List();
}
workflowDict = new Dictionary<int, Process>();
workflowStepsDict = new Dictionary<int, IList<Workstep>>();
verifInfos = new Dictionary<int, ScanVerificationInfo>();
foreach (var wf in workflows)
{
IList<Workstep> steps = session.QueryOver<Workstep>()
.Where(ws => ((ws.Workflow == wf) && (ws.Name == thisWorkstepName)))
.List();
workflowDict.Add(wf.Id, wf);
workflowStepsDict.Add(wf.Id, steps);
ScanVerificationInfo info;
if ((steps.Count == 1) && ((info = TracingDB.AnalyzeProcess(session, wf, steps[0])) != null))
{
verifInfos.Add(wf.Id, info);
log.WarnFormat("Workflow {0} :: Verified step={1} part={2} verify ref. part={3}", wf, info.Workstep, info.Part, info.VerifyReferencePart);
}
}
return workflows;
}
/// <summary>
/// Finds a workstep and a part to be verified (typically a previous workstep and one of its parts).
/// Updates this.verifiedWorkstep, this.verifiedPart and this.verifyReferencePart.
/// Returns false if there is no workstep or part to be verified.
/// </summary>
/// <param name="dbSession">MySQL DB session</param>
/// <param name="process">Process to be analyzed</param>
/// <param name="workstep">Workstep to be analyzed</param>
/// <returns>true if there is a verified workstep and part</returns>
public static ScanVerificationInfo AnalyzeProcess(ISession dbSession, Process process, Workstep workstep)
{
try
{
if (workstep != null && workstep.ReferencePart != null)
{
IList<Workstep> worksteps = dbSession.QueryOver<Workstep>()
.Where(x => (x.Workflow == process))
.Where(x => (x.WorkstepNr < workstep.WorkstepNr))
.OrderBy(x => x.WorkstepNr).Asc
.List();
for (int i = worksteps.Count - 1; i >= 0; i--)
{
if (worksteps[i].ReferencePart != null)
{
if (worksteps[i].ReferencePart.Id == workstep.ReferencePart.Id)
{
/// Compare reference part of the current workstep and reference part of another workstep
return new ScanVerificationInfo(worksteps[i], true, workstep.ReferencePart);
}
foreach (var thisStepPart in workstep.Parts)
{
if (worksteps[i].ReferencePart.Id == thisStepPart.Id)
{
/// Compare (non-reference) part of the current workstep and reference part of another workstep
return new ScanVerificationInfo(worksteps[i], true, worksteps[i].ReferencePart);
}
}
}
foreach (var part in worksteps[i].Parts)
{
bool isUnique = (part.CodeLocation == CodeLocation.OnPart) && ((part.CodeType == (sbyte)CodeType.UniqueNr)
|| (part.CodeType == (sbyte)CodeType.FlowtubeNr)
|| (part.CodeType == (sbyte)CodeType.FlowtubeNrLU));
if (isUnique)
{
if (part.Id == workstep.ReferencePart.Id)
{
/// Enable checking reference part
return new ScanVerificationInfo(worksteps[i], false, part); /// !!!!!!!!!!!!!!!!!!
}
foreach (var thisStepPart in workstep.Parts)
{
if (part.Id == thisStepPart.Id)
{
return new ScanVerificationInfo(worksteps[i], false, part);
}
}
}
}
}
}
log.ErrorFormat("AnalyzeProcess(session , {0}, {1}) no ver. info found, returning 'null'",
(process != null) ? process.Name : "null",
(workstep != null) ? workstep.Name : "null");
return null;
}
catch (Exception exc)
{
log.ErrorFormat("AnalyzeProcess(session , {0}, {1}) failed : {2}", process.Name, workstep.Name, exc.Message);
return null;
}
}
/// <summary>
/// Obsolete, use WorkplaceRegistration class instead
/// </summary>
public static bool RegisterWorkplaceObsolete(ISession session, string workplace, string user, string ipAddress, string processName, string workstepName, DateTime valiUntil)
{
try
{
IList<WorkplaceRegistration> wpRegs = session.QueryOver<WorkplaceRegistration>()
.Where(x => (x.Workplace == workplace))
.List();
if (wpRegs.Count == 0)
{
WorkplaceRegistration wpReg = new WorkplaceRegistration(workplace, user, ipAddress, processName, workstepName);
wpRegs.Add(wpReg);
session.SaveOrUpdate(wpReg);
log.InfoFormat("RegisterWorkplace(., {0}, {1}, ...) successful (new)", workplace, user);
return true;
}
else if (wpRegs.Count == 1)
{
WorkplaceRegistration wpReg = wpRegs[0];
wpReg.Active = true;
wpReg.TimeStamp = DateTime.Now;
wpReg.ValidUntil = valiUntil;
wpReg.UserName = user;
wpReg.IPAddress = ipAddress;
wpReg.ProcessName = processName;
wpReg.WorkstepName = workstepName;
session.SaveOrUpdate(wpReg);
log.InfoFormat("RegisterWorkplace(., {0}, {1}, ...) successful", workplace, user);
return true;
}
else
{
log.ErrorFormat("RegisterWorkplace(., {0}, {1}, ...) failed", workplace, user);
return false;
}
}
catch (Exception e)
{
log.ErrorFormat("RegisterWorkplace(., {0}, {1}, ...) exception: {2}", workplace, user, e.Message);
return false;
}
}
/// <summary>
/// Obsolete, use WorkplaceRegistration class instead
/// </summary>
public static bool UnregisterWorkplaceObsolete(ISession session, string workplace)
{
try
{
IList<WorkplaceRegistration> wpRegs = session.QueryOver<WorkplaceRegistration>()
.Where(x => (x.Workplace == workplace))
.List();
if (wpRegs.Count == 1)
{
WorkplaceRegistration wpReg = wpRegs[0];
wpReg.Active = false;
wpReg.TimeStamp = DateTime.Now;
session.SaveOrUpdate(wpReg);
log.InfoFormat("UnregisterWorkplace(., {0}) successful", workplace);
return true;
}
else
{
log.ErrorFormat("UnregisterWorkplace(., {0}) failed", workplace);
return false;
}
}
catch (Exception e)
{
log.ErrorFormat("UnregisterWorkplace(., {0}) exception: {1}", workplace, e.Message);
return false;
}
}
}
}