public static void Migrate()
{
try
{
#if WINDOWS_PHONE
FoodJournalDB db = new FoodJournalDB(false);
#else
FoodJournalDB db = new FoodJournalDB(true);
#endif
if (!db.DatabaseExists())
{
return;
}
if (db.Table <FoodItemDO>().Count() == 0 && db.Table <EntryDO>().Count() == 0)
{
#if !WINDOWS_PHONE
db.Close();
#endif
Logging.SessionLog.RecordMilestone("Deleting Legacy FoodItem DB", "");
db.DeleteDatabase();
return;
}
#if !WINDOWS_PHONE
if (System.IO.File.Exists(DatabaseFilePath))
{
db.Close();
System.IO.File.Copy(DatabaseFilePath, DatabaseFilePath.Replace(".db3", ".bak"));
db = new FoodJournalDB(true);
}
#endif
DateTime start = DateTime.Now;
int ExceptionCount = 0;
Dictionary <int, int> itemmap = new Dictionary <int, int>();
Logging.SessionLog.RecordTraceValue("Database migration - item count", db.Table <FoodItemDO>().Count().ToString());
Logging.SessionLog.RecordTraceValue("Database migration - selection count", db.Table <EntryDO>().Count().ToString());
var AllItems = db.Table <FoodItemDO>().ToList();
var AllSelections = db.Table <EntryDO>().ToList();
List <FoodItemDO> ToDeleteItems = new List <FoodItemDO>();
List <EntryDO> ToDeleteSelections = new List <EntryDO>();
Dictionary <int, String> items = new Dictionary <int, string>();
List <DateTime> savedates = new List <DateTime>();
foreach (FoodItemDO item in AllItems)
{
try
{
items.Add(item.Id, item.TextDB);
var NewItem = new FoodJournal.Model.FoodItem(item.TextDB, false);
NewItem.Culture = item.Culture;
NewItem.DescriptionDB = item.DescriptionDB;
NewItem.LastAmountDB = item.LastAmountDB;
NewItem.NutritionDB = item.NutritionDB;
NewItem.ServingSizesDB = item.ServingSizesDB;
NewItem.SourceID = item.SourceID;
Cache.MergeItem(NewItem);
ToDeleteItems.Add(item);
}
catch (Exception ex) { ExceptionCount++; LittleWatson.ReportException(ex); }
}
foreach (EntryDO entry in AllSelections)
{
try
{
var entryDate = DateTime.Parse(entry.Date);
var NewSelection = new FoodJournal.Model.Entry(entryDate, entry.Period, items[entry.FoodItemId]);
NewSelection.AmountScaleDB = entry.AmountScaleDB;
NewSelection.AmountSelectedDB = entry.AmountSelectedDB;
Cache.AddEntry(NewSelection);
ToDeleteSelections.Add(entry);
if (!savedates.Contains(entryDate))
{
savedates.Add(entryDate);
}
}
catch (Exception ex) { ExceptionCount++; LittleWatson.ReportException(ex); }
}
foreach (Period period in PeriodList.All)
{
foreach (DateTime date in savedates)
{
FoodJournalNoSQL.StartSaveDay(date, period);
}
}
int i = 120;
while (i-- > 0 && FoodJournalNoSQL.IsSaving())
{
System.Threading.Thread.Sleep(500);
}
if (i == 0)
{
SessionLog.RecordMilestone("Upgrade failed in 1 minute", AllSelections.Count.ToString());
throw new Exception("Upgrade failed in 1 minute");
}
foreach (EntryDO Selection in ToDeleteSelections)
{
try
{
#if WINDOWS_PHONE
db.Table <EntryDO>().DeleteOnSubmit(Selection);
db.SubmitChanges();
#else
db.Delete <EntryDO>(Selection.Id);
#endif
}
catch (Exception ex) { db = new FoodJournalDB(false); ExceptionCount++; LittleWatson.ReportException(ex); }
}
foreach (FoodItemDO Item in ToDeleteItems)
{
try
{
#if WINDOWS_PHONE
db.Table <FoodItemDO>().DeleteOnSubmit(Item);
db.SubmitChanges();
#else
db.Delete <FoodItemDO>(Item.Id);
#endif
}
catch (Exception ex) { db = new FoodJournalDB(false); ExceptionCount++; LittleWatson.ReportException(ex); }
}
Logging.SessionLog.RecordMilestone("Database migration - exception count", ExceptionCount.ToString());
Logging.SessionLog.RecordMilestone("Database migration - duration", string.Format("{0} s", DateTime.Now.Subtract(start).TotalSeconds));
}
catch (Exception ex) { LittleWatson.ReportException(ex); }
}
public static void Reset()
{
me = new FoodJournalDB();
}
