public async void CreateInstruction(InstructionDraft instructionDraft)
{
var pdfCreated = _instructionPdfService.CreateInstructionPdf(instructionDraft);
var instructions = new List <Instruction>();
var instructor = await GetUser(instructionDraft.Instructor);
for (var i = 0; i < instructionDraft.Instructed.Count; i++)
{
var instructionPath = pdfCreated[i];
if (instructionPath is null)
{
continue;
}
var userDraft = instructionDraft.Instructed[i];
var user = await GetUser(userDraft);
var instruction = new Instruction
{
DeviceId = instructionDraft.Device.Id,
AllowedActivities = instructionDraft.OnlyFor,
ForbiddenActivities = instructionDraft.ExceptFor,
Path = instructionPath,
InstructorId = instructor.Id,
InstructedId = user.Id,
CreatedAt = DateTime.Now,
};
instruction = await _instructionDataService.Create(instruction);
instructions.Add(instruction);
}
ArchiveOlderInstructions(instructions);
}
public IList <string> CreateInstructionPdf(InstructionDraft instructionDraft)
{
var device = instructionDraft.Device;
var instructionFolderPath = GetDeviceInstructionsPath(device);
return((from userDraft in instructionDraft.Instructed
let instructionPath = Path.Combine(instructionFolderPath, userDraft.FileName)
select FillAndSavePdf(userDraft, instructionDraft, instructionPath)).ToList());
}
private string FillAndSavePdf(UserDraft userDraft, InstructionDraft instructionDraft, string instructionPath)
{
try
{
using var reader = new PdfReader(_templateFilePath);
using var writer = new PdfWriter(instructionPath);
using var pdf = new PdfDocument(reader, writer);
var form = PdfAcroForm.GetAcroForm(pdf, true);
var doc = new Document(pdf);
form.SetGenerateAppearance(true);
form.GetField("deviceName").SetValue(instructionDraft.Device.Name);
form.GetField("deviceChief").SetValue(instructionDraft.Device.Chief?.FullName ?? string.Empty);
form.GetField("onlyFor").SetValue(instructionDraft.OnlyFor ?? string.Empty);
form.GetField("notFor").SetValue(instructionDraft.ExceptFor ?? string.Empty);
form.GetField("instructor").SetValue(instructionDraft.Instructor.FullName);
form.GetField("instructed").SetValue(userDraft.FullName);
form.GetField("instructionDate").SetValue(DateTime.Today.ToString("d", CultureInfo.CurrentCulture));
//var signatureImage = PositionImage(form, "instructorSignature", instructionDraft.Instructor.Signature);
//var instructedImage = PositionImage(form, "instructedSignature", userDraft.Signature);
//doc.Add(signatureImage);
//doc.Add(instructedImage);
form.RemoveField("instructorSignature");
form.RemoveField("instructedSignature");
doc.Close();
pdf.Close();
}
catch (Exception e)
{
_logger.Error(e, "Instruction pdf could not be filled or saved.");
if (File.Exists(instructionPath))
{
File.Delete(instructionPath);
}
return(null);
}
return(instructionPath);
}
