public MaterialFile(string author, string description, string link, string rootFolder, MaterialFileType materialFileType, DateTime date)
{
Author = author;
Description = description;
Link = link;
RootFolder = rootFolder;
MaterialFileType = materialFileType;
Date = date;
}
/// <summary>
/// Returns all the student's school material files
/// </summary>
/// <returns>An array of MaterialFile objects that contain all the file data</returns>
public async Task <MaterialFile[]> GetFilesAsync()
{
HttpResponseMessage msg = await _http.GetAsync("https://web.spaggiari.eu/fml/app/default/didattica_genitori.php");
HtmlDocument doc = new HtmlDocument();
doc.LoadHtml(await msg.Content.ReadAsStringAsync());
HtmlNode[] dataTableNodes = doc.GetElementbyId("data_table").ChildNodes.ToArray();
List <MaterialFile> files = new List <MaterialFile>();
string currentAuthor = string.Empty;
string currentFolder = string.Empty;
for (int i = 10; i < dataTableNodes.Length; i++)
{
bool isFileNode =
dataTableNodes[i].HasClass("row") &&
dataTableNodes[i].HasClass("contenuto");
bool isFolder =
dataTableNodes[i].HasClass("row") &&
dataTableNodes[i].HasClass("row_parent");
bool isAuthor =
dataTableNodes[i].GetAttributeValue("style", "none") == "height: 40px;";
if (isAuthor)
{
foreach (HtmlNode node in dataTableNodes[i].ChildNodes)
{
bool isAuthorNode =
node.GetAttributeValue("colspan", "none") == "12";
if (isAuthorNode)
{
currentAuthor = node.InnerText.Trim();
}
}
}
if (isFolder)
{
foreach (HtmlNode node in dataTableNodes[i].ChildNodes)
{
bool isFolderNode =
node.GetAttributeValue("colspan", "none") == "44" &&
node.HasClass("folder");
if (isFolderNode)
{
currentFolder = node.ChildNodes[0].InnerText.Trim();
}
}
}
if (isFileNode)
{
string description = string.Empty;
string link = string.Empty;
MaterialFileType materialFileType = MaterialFileType.File;
DateTime date = DateTime.MinValue;
foreach (HtmlNode node in dataTableNodes[i].ChildNodes)
{
bool isContent =
node.GetAttributeValue("colspan", "none") == "36" &&
node.HasClass("contenuto_desc");
bool isButton =
node.GetAttributeValue("colspan", "none") == "4" &&
node.HasClass("contenuto_action");
if (isContent)
{
foreach (HtmlNode subNode in node.ChildNodes[1].ChildNodes)
{
bool isDescription =
subNode.HasClass("row_contenuto_desc") &&
subNode.HasClass("font_size_16");
bool isDate =
!subNode.HasClass("row_contenuto_desc") &&
subNode.HasClass("font_size_9");
if (isDescription)
{
description = subNode.InnerText.Trim();
}
if (isDate)
{
date = DateTime.ParseExact(subNode.InnerText.Replace("condiviso il: ", "").Trim(), "dd-MM-yyyy HH:mm:ss", null);
}
}
}
if (isButton)
{
bool isLink = node.ChildNodes[1].HasClass("action_link");
bool isFile = node.ChildNodes[1].HasClass("action_download");
if (isLink)
{
link = node.ChildNodes[1].GetAttributeValue("ref", "none");
materialFileType = MaterialFileType.Link;
}
if (isFile)
{
link = $"https://web.spaggiari.eu/fml/app/default/didattica_genitori.php?a=downloadContenuto&contenuto_id={node.ChildNodes[1].GetAttributeValue("contenuto_id", "none")}&cksum={node.ChildNodes[1].GetAttributeValue("cksum", "none")}";
materialFileType = MaterialFileType.File;
}
}
}
files.Add(new MaterialFile(currentAuthor, description, link, currentFolder, materialFileType, date));
}
}
return(files.ToArray());
}
