public async Task <IHttpActionResult> PutPageNodes(int id, PageNodes pageNodes)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
if (id != pageNodes.Id)
{
return(BadRequest());
}
db.Entry(pageNodes).State = EntityState.Modified;
try
{
await db.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!PageNodesExists(id))
{
return(NotFound());
}
else
{
throw;
}
}
return(StatusCode(HttpStatusCode.NoContent));
}
private BaseNode ProcessNode(XElement element)
{
string name = element.Name.ToString();
switch (name)
{
case "content":
case "example":
case "tag":
case "caption":
case "type":
case "name":
case "keywords":
return(null);
case "styles":
StyleNode = element;
return(null);
case "parameter":
element = XmlCompliantConverter.ParseNameValueToElement(element);
return(null);
}
element = XmlCompliantConverter.ParseNameValueToElement(element);
var children = new List <BaseNode>();
foreach (var e in element.Elements())
{
var n = ProcessNode(e);
if (n != null)
{
children.Add(n);
}
}
BaseNode node = BaseNode.GetNode(element);
if (!string.IsNullOrEmpty(node.Key)) // it's a page
{
node.Children = children;
PageNodes.Add(node);
}
if (node.Keywords != null)
{
foreach (var s in node.Keywords)
{
if (!Constants.Contains(s))
{
Constants.Add(s);
}
}
}
return(node);
}
public async Task <IHttpActionResult> GetPageNodes(int id)
{
PageNodes pageNodes = await db.PageNodes.FindAsync(id);
if (pageNodes == null)
{
return(NotFound());
}
return(Ok(pageNodes));
}
public async Task <IHttpActionResult> PostPageNodes(PageNodes pageNodes)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
db.PageNodes.Add(pageNodes);
await db.SaveChangesAsync();
return(CreatedAtRoute("DefaultApi", new { id = pageNodes.Id }, pageNodes));
}
public async Task <IHttpActionResult> DeletePageNodes(int id)
{
PageNodes pageNodes = await db.PageNodes.FindAsync(id);
if (pageNodes == null)
{
return(NotFound());
}
db.PageNodes.Remove(pageNodes);
await db.SaveChangesAsync();
return(Ok(pageNodes));
}
public override int SaveChanges()
{
// Need to manually delete all PageNodes that have no ParentSectionNode, otherwise they'll be orphaned.
var orphanedPageNodes = ChangeTracker.Entries().Where(e => (e.State == EntityState.Modified) &&
e.Entity is PageNode &&
e.Reference("ParentSectionNode").CurrentValue == null);
foreach (var dbEntityEntry in orphanedPageNodes)
{
PageNodes.Remove(dbEntityEntry.Entity as PageNode);
}
var orphanedProperties = ChangeTracker.Entries().Where(e => (e.State == EntityState.Modified) &&
e.Entity is PageProperty &&
e.Reference("ParentPageNode").CurrentValue == null);
foreach (var dbEntityEntry in orphanedProperties)
{
Properties.Remove(dbEntityEntry.Entity as PageProperty);
}
return(base.SaveChanges());
}
