public ActionResult GetLastImage(string pageid, string id)
{
try
{
DOMElements domElements = new DOMElements();
string path = HttpContext.Request.PhysicalApplicationPath + "/" + ContentFolder;
string fileName = path + "/" + pageid + ".json";
domElements = GetDOMElementsFromFile(fileName);
string imageFileName = GetImageFileName(domElements, id);
if (imageFileName != string.Empty)
{
return(Content("../" + ContentFolder + "/img/" + imageFileName));
}
else
{
return(Content(""));
}
}
catch (Exception ex)
{
return(Content(ex.HResult + " " + ex.Message));
}
}
private static DOMElements GetDOMElementsFromFile(string fileName)
{
DOMElements domElements = new DOMElements();
if (!new FileInfo(fileName).Exists)
{
return(domElements);
}
using (Stream input = new FileStream(fileName, FileMode.Open))
{
string dataJSON = new StreamReader(input).ReadToEnd();
domElements = Newtonsoft.Json.JsonConvert.DeserializeObject <DOMElements>(dataJSON);
}
return(domElements);
}
private static string GetImageFileName(DOMElements DomElements, string Id)
{
try
{
if (DomElements != null && DomElements.Images.Count > 0)
{
Image im = DomElements.Images.Single(item => item.id == Id);
return(im.updatedFileName);
}
}
catch (Exception)
{
return(string.Empty);
}
return(string.Empty);
}
private static string GetContent(DOMElements DomElements, string Id, string Content)
{
try
{
if (DomElements != null && DomElements.Elements.Count > 0)
{
Element el = DomElements.Elements.Single(item => item.id == Id);
return(el.content);
}
}
catch (Exception)
{
return(Content);
}
return(Content);
}
public static string GetUpdatedHTML(string html, string AppPath, string PageId)
{
string fileName = AppPath + "/" + ContentFolder + "/" + PageId + ".json";
DOMElements DomElements = GetDOMElementsFromFile(fileName);
var doc = new HtmlDocument();
doc.LoadHtml(html);
//Change Text Element's Content
var htmlNodes = doc.DocumentNode.SelectNodes("//*[contains(@class, '" + classNameText + "')]");
if (htmlNodes != null)
{
foreach (var node in htmlNodes)
{
node.InnerHtml = GetContent(DomElements, node.Id, node.InnerText);
}
}
//Change Image Element's Background
htmlNodes = doc.DocumentNode.SelectNodes("//*[contains(@class, '" + classNameImage + "')]");
if (htmlNodes != null)
{
foreach (var node in htmlNodes)
{
string imageFileName = GetImageFileName(DomElements, node.Id);
if (imageFileName != string.Empty)
{
string imagePath = "../" + ContentFolder + "/img/" + imageFileName;
node.Attributes.Append("style", "background-image:url('" + imagePath + "')");
}
}
}
return(doc.DocumentNode.OuterHtml);
}
public ActionResult UpdateData()
{
try
{
Stream input = this.Request.InputStream;
string dataJSON = new StreamReader(input).ReadToEnd();
DOMElements domElements = Newtonsoft.Json.JsonConvert.DeserializeObject <DOMElements>(dataJSON);
DOMElements domElementsExisting = new DOMElements();
if (domElements.Elements.Count > 0 || domElements.Images.Count > 0)
{
string path = HttpContext.Request.PhysicalApplicationPath + "/" + ContentFolder;
string fileName = "";
if (domElements.Elements.Count > 0)
{
fileName = path + "/" + domElements.Elements[0].pageid + ".json";
}
else
{
fileName = path + "/" + domElements.Images[0].pageid + ".json";
}
domElementsExisting = GetDOMElementsFromFile(fileName);
//Elements
if (domElementsExisting != null && domElementsExisting.Elements != null)
{
foreach (Element el in domElementsExisting.Elements)
{
try
{
Element tmp = domElements.Elements.Single(item => item.id == el.id);
}
catch (Exception)
{
domElements.Elements.Add(el);
}
}
}
//Images
if (domElementsExisting != null && domElementsExisting.Images != null)
{
foreach (Image im in domElementsExisting.Images)
{
try
{
Image tmp = domElements.Images.Single(item => item.id == im.id);
}
catch (Exception)
{
domElements.Images.Add(im);
}
}
}
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
string jsonString = Newtonsoft.Json.JsonConvert.SerializeObject(domElements);
System.IO.File.WriteAllText(fileName, jsonString);
return(Content("-Text content saved successfully."));
}
else
{
return(Content("-Text changes can not be detected."));
}
}
catch (Exception ex)
{
return(Content(ex.HResult + " " + ex.Message));
}
}
