service-reporting/Controllers/PdfController.cs

   1 using DinkToPdf;
   2 using DinkToPdf.Contracts;
   3 using Microsoft.AspNetCore.Mvc;
   4 using System.IO;
   5 using PdfService.Utility;
   6 using PdfService.Models;
   7 namespace PdfService.Controllers
   8 {
   9
  10
  11     [ApiController]
  12     public class PdfController : ControllerBase
  13     {
  14         private IConverter _converter;
  15
  16         public PdfController(IConverter converter)
  17         {
  18             _converter = converter;
  19         }
  20
  21         [Route("")]
  22         [HttpGet]
  23         public ActionResult GeneratePdfDemo()
  24         {
  25             var globalSettings = new GlobalSettings
  26             {
  27                 ColorMode = ColorMode.Color,
  28                 Orientation = Orientation.Portrait,
  29                 PaperSize = PaperKind.A4,
  30                 Margins = new MarginSettings { Top = 0, Left = 0, Right = 0 },
  31                 DocumentTitle = "PDF Demo Report",
  32             };
  33
  34             var objectSettings = new ObjectSettings
  35             {
  36                 PagesCount = true,
  37                 HtmlContent = TemplateGenerator.GetHTMLString(new Term[]{
  38                     new Term("Good Term", 0.9),
  39                     new Term("Term 1", 0.5),
  40                     new Term("Another Term", 0.3),
  41                     new Term("Another bad Tweet", 0.1)
  42                     }),
  43                 WebSettings = { DefaultEncoding = "utf-8", UserStyleSheet =  Path.Combine(Directory.GetCurrentDirectory(), "assets", "bulma.min.css") }
  44             };
  45
  46             var pdf = new HtmlToPdfDocument()
  47             {
  48                 GlobalSettings = globalSettings,
  49                 Objects = { objectSettings }
  50             };
  51
  52             var file = _converter.Convert(pdf);
  53             return File(file, "application/pdf");
  54         }
  55
  56         // GET /generatePDF
  57         [Route("generatePDF")]
  58         [HttpPost]
  59         public ActionResult GeneratePdf([FromBody] Term[] terms)
  60         {
  61             // check parameters
  62             if (!ModelState.IsValid)
  63             {
  64                 return BadRequest(ModelState);
  65             }
  66
  67             // check parameter if they have correct form
  68             foreach(Term term in terms) {
  69                 if(term.Name.Length<1 || term.Sentiment<0.0 || term.Sentiment>1.0){
  70                     return BadRequest(ModelState);
  71                 }
  72             }
  73
  74             var globalSettings = new GlobalSettings
  75             {
  76                 ColorMode = ColorMode.Color,
  77                 Orientation = Orientation.Portrait,
  78                 PaperSize = PaperKind.A4,
  79                 Margins = new MarginSettings { Top = 0, Left = 0, Right = 0 },
  80                 DocumentTitle = "PDF Report",
  81             };
  82
  83             var objectSettings = new ObjectSettings
  84             {
  85                 PagesCount = true,
  86                 HtmlContent = TemplateGenerator.GetHTMLString(terms),
  87                 WebSettings = { DefaultEncoding = "utf-8", UserStyleSheet =  Path.Combine(Directory.GetCurrentDirectory(), "assets", "bulma.min.css") }
  88             };
  89
  90             var pdf = new HtmlToPdfDocument()
  91             {
  92                 GlobalSettings = globalSettings,
  93                 Objects = { objectSettings }
  94             };
  95
  96             var file = _converter.Convert(pdf);
  97             return File(file, "application/pdf");
  98         }
  99
 100     }
 101 }