internal bool TryAddPage(JournalEntity journalEntity, JournalPageEntity page, out Exception exception)
{
bool result = false;
exception = null;
try
{
// connecting to, or creating a brand new given journal's DB
using (var db = GetInternalStorageContext(journalEntity))
{
// inserting a page
db.GetCollection <JournalPageEntity>("JournalPages").Insert(page);
// adding references
page.Journal = journalEntity;
page.StorageContext = this;
result = true;
}
}
catch (Exception ex)
{
// setting our exception
exception = ex;
result = false;
}
return(result);
}
private JournalEntity CreateJournalInternal(Guid id, string displayName, string hexColor)
{
#region Creating Journal
var journal = new JournalEntity
{
Id = id,
StorageContext = this,
IsSoftDeleted = false,
DateCreated = DateTime.UtcNow,
DateUpdated = DateTime.UtcNow,
FrontCoverSolidBrushHex = hexColor,
FrontCoverSolidColorHex = hexColor,
DisplayName = displayName,
Width = 205,
X = 350,
Y = 490,
ZoomLevel = 1
};
this.Journals.AddJournal(journal);
#endregion
// loading pages
var pages = journal.Pages;
#region Creating Front Cover & First Two Pages
JournalPageEntity cover = new JournalPageEntity
{
Id = 1,
DateCreated = DateTime.UtcNow,
DateUpdated = DateTime.UtcNow,
IsCoverPage = true
};
journal.Pages.AddPage(cover);
JournalPageEntity page1 = new JournalPageEntity
{
Id = 2,
DateCreated = DateTime.UtcNow,
DateUpdated = DateTime.UtcNow,
IsCoverPage = false
};
journal.Pages.AddPage(page1);
JournalPageEntity page2 = new JournalPageEntity
{
Id = 3,
DateCreated = DateTime.UtcNow,
DateUpdated = DateTime.UtcNow,
IsCoverPage = false
};
journal.Pages.AddPage(page2);
#endregion
return(journal);
}
internal bool TrySavePage(JournalEntity journalEntity, JournalPageEntity page, out Exception exception)
{
bool result = false;
exception = null;
if (!journalEntity.Pages.Exists(page))
{
return(TryAddPage(journalEntity, page, out exception));
}
try
{
// connecting to, or creating a brand new given journal's DB
using (var db = GetInternalStorageContext(journalEntity))
{
var id = new BsonValue(page.Id);
// looking for page
var pageInCollection = db.GetCollection <JournalPageEntity>("JournalPages").FindById(id);
if (pageInCollection == null)
{
exception = new KeyNotFoundException("Page exists in memory, but doesn't exist in the storage in Journal: " + journalEntity.DisplayName);
result = false;
}
// saving a page
result = db.GetCollection <JournalPageEntity>("JournalPages").Update(page);
// we are good to go
}
}
catch (Exception ex)
{
// setting our exception
exception = ex;
result = false;
}
return(result);
}
internal bool TryRemovePage(JournalEntity journalEntity, JournalPageEntity page, out Exception exception)
{
bool result = false;
exception = null;
try
{
// connecting to, or creating a brand new given journal's DB
using (var db = GetInternalStorageContext(journalEntity))
{
var id = new BsonValue(page.Id);
// looking for page
var pageInCollection = db.GetCollection <JournalPageEntity>("JournalPages").FindById(id);
if (pageInCollection == null)
{
exception = new KeyNotFoundException("Page doesn't exist with a given id in Journal: " + journalEntity.DisplayName);
result = false;
}
// removing a page with a given Id
db.GetCollection <JournalPageEntity>("JournalPages").Delete(id);
// we are good to go
result = true;
}
}
catch (Exception ex)
{
// setting our exception
exception = ex;
result = false;
}
return(result);
}
public void SavePage(JournalPageEntity page)
{
Exception ex;
TrySavePage(page.Journal, page, out ex);
}
