// Extract data from the directory
static void ExtractImageData()
{
Student student = new Student()
{
AbsoluteUrl = Constants.FTP.BaseUrl
};
string directory = "200423859 Junseob Noh";
// To store StudentId, FirstName, and LastName
student.FromDirectory(directory);
string infoFilePath = student.FullPathUrl + "/" + Constants.Locations.InforFile;
bool fileExists = FTPApp.FileExists(infoFilePath);
if (fileExists == true)
{
byte[] bytes = FTPApp.DownloadFileBytes(infoFilePath);
string csvData = Encoding.Default.GetString(bytes);
string[] csvlines = csvData.Split("\r\n", StringSplitOptions.RemoveEmptyEntries);
if (csvlines.Length != 2)
{
Console.WriteLine("Error in CSV format");
}
else
{
student.FromCSV(csvlines[1]);
Console.WriteLine(">>> myimage.jpg file as Base64:");
Console.WriteLine(student.ImageData);
}
}
}
static void SaveFiles(List <Student> students, string fileName)
{
// 1. Save CSV file
string studentCSVPath = $"{Constants.Locations.DataFolder}\\{fileName}.csv";
//Establish a file stream to collect data from the response. this point is local disk.
using (StreamWriter fs = new StreamWriter(studentCSVPath))
{
int headerNum = 0;
foreach (var student in students)
{
if (headerNum == 0)
{
fs.Write(student.HeaderRow + "\r\n");
headerNum++;
}
else
{
fs.Write(student.ToCSV() + "\r\n");
}
}
}
// 2. Save JSON file, which is converted from CSV file
string studentJSONPath = $"{Constants.Locations.DataFolder}\\{fileName}.json";
string analyticsData = CsvToJson.ReadFile(studentCSVPath);
using (StreamWriter fs = new StreamWriter(studentJSONPath))
{
fs.Write(analyticsData);
}
// 3. Save XML file, which is converted from CSV file
string studentXMLPath = $"{Constants.Locations.DataFolder}\\{fileName}.xml";
string csv = File.ReadAllText(studentCSVPath);
XDocument doc = CsvToXml.ConvertCsvToXML(csv, new[] { "," });
doc.Save(studentXMLPath);
// 4. Upload the files to My FTP
foreach (var student in students)
{
if (student.MyRecord)
{
FTPApp.UploadFile(studentCSVPath, student.FullPathUrl + "/students.csv");
FTPApp.UploadFile(studentJSONPath, student.FullPathUrl + "/students.json");
FTPApp.UploadFile(studentXMLPath, student.FullPathUrl + "/students.xml");
}
}
}
static List <Student> CollectStudentInfor()
{
List <Student> students = new List <Student>();
// fetch the diretoreis info files and Images, and then display the console them.
List <string> directories = FTPApp.GetDirectory(Constants.FTP.BaseUrl);
foreach (var directory in directories)
{
Student student = new Student()
{
AbsoluteUrl = Constants.FTP.BaseUrl
};
// To store StudentId, FirstName, and LastName
student.FromDirectory(directory);
string infoFilePath = student.FullPathUrl + "/" + Constants.Locations.InforFile;
bool fileExists = FTPApp.FileExists(infoFilePath);
if (fileExists == true)
{
byte[] bytes = FTPApp.DownloadFileBytes(infoFilePath);
string csvData = Encoding.Default.GetString(bytes);
string[] csvlines = csvData.Split("\r\n", StringSplitOptions.RemoveEmptyEntries);
if (csvlines.Length != 2)
{
Console.WriteLine($"{student.FirstName} {student.LastName} has Error in CSV format");
}
else
{
student.FromCSV(csvlines[1]);
}
if (student.StudentId == "200423859")
{
student.MyRecord = true;
}
else
{
student.MyRecord = false;
}
}
else
{
Console.WriteLine($"{student.FirstName} {student.LastName} Could not find info file:");
}
students.Add(student);
}
return(students);
}
// Get all directories on the FTPApp for our class.
static void GetFtpDirectories()
{
List <string> directories = FTPApp.GetDirectory(Constants.FTP.BaseUrl);
int loc = 0;
foreach (var directory in directories)
{
if (loc == 0)
{
loc++;
}
else
{
Console.WriteLine("\n" + directory);
List <string> files = FTPApp.GetDirectory(Constants.FTP.BaseUrl + "/" + directory);
foreach (var file in files)
{
Console.WriteLine("\t" + file);
}
}
}
}