service-reporting/Controllers/PdfController.cs

   1 using DinkToPdf;
   2 using DinkToPdf.Contracts;
   3 using Microsoft.AspNetCore.Mvc;
   4 using System.IO;
   5 using System;
   6 using PdfService.Utility;
   7 using PdfService.Models;
   8 namespace PdfService.Controllers
   9 {
  10
  11
  12     [ApiController]
  13     public class PdfController : ControllerBase
  14     {
  15         private IConverter _converter;
  16
  17         public PdfController(IConverter converter)
  18         {
  19             _converter = converter;
  20         }
  21
  22         [Route("")]
  23         [HttpGet]
  24         public ActionResult GeneratePdfDemo()
  25         {
  26             var globalSettings = new GlobalSettings
  27             {
  28                 ColorMode = ColorMode.Color,
  29                 Orientation = Orientation.Portrait,
  30                 PaperSize = PaperKind.A4,
  31                 Margins = new MarginSettings { Top =0, Left = 0, Right = 0 },
  32                 DocumentTitle = "Sentiment Analysis - Advanced Report - " + DateTime.Now ,
  33             };
  34
  35             var objectSettings = new ObjectSettings
  36             {
  37                 PagesCount = true,
  38                 HtmlContent = TemplateGenerator.GetHTMLString(new Term[]{
  39                     new Term("Good Term", 0.9),
  40                     new Term("Term 1", 0.5),
  41                     new Term("Another Term", 0.3),
  42                     new Term("Another bad Tweet", 0.1)
  43                     }),
  44                 WebSettings = {
  45                     DefaultEncoding = "utf-8",
  46                     UserStyleSheet =  Path.Combine(Directory.GetCurrentDirectory(), "assets", "bulma.min.css")
  47                 },
  48                 FooterSettings = { FontSize = 9, Right = "Page [page] of [toPage]    ", Line = false, Spacing = 0.812  }
  49
  50             };
  51
  52             var pdf = new HtmlToPdfDocument()
  53             {
  54                 GlobalSettings = globalSettings,
  55                 Objects = { objectSettings }
  56             };
  57
  58             var file = _converter.Convert(pdf);
  59             return File(file, "application/pdf");
  60         }
  61
  62         // GET /generatePDF
  63         [Route("generatePDF")]
  64         [HttpPost]
  65         public ActionResult GeneratePdf([FromBody] Term[] terms)
  66         {
  67             // check parameters
  68             if (!ModelState.IsValid)
  69             {
  70                 return BadRequest(ModelState);
  71             }
  72
  73             // check parameter if they have correct form
  74             foreach(Term term in terms) {
  75                 if(term.Name.Length<1 || term.Sentiment<0.0 || term.Sentiment>1.0){
  76                     return BadRequest(ModelState);
  77                 }
  78             }
  79
  80             var globalSettings = new GlobalSettings
  81             {
  82                 ColorMode = ColorMode.Color,
  83                 Orientation = Orientation.Portrait,
  84                 PaperSize = PaperKind.A4,
  85                 Margins = new MarginSettings { Top = 0, Left = 0, Right = 0 },
  86                 DocumentTitle = "Sentiment Analysis - Advanced Report - " + DateTime.Now ,
  87             };
  88
  89             var objectSettings = new ObjectSettings
  90             {
  91                 PagesCount = true,
  92                 HtmlContent = TemplateGenerator.GetHTMLString(terms),
  93                 WebSettings = { DefaultEncoding = "utf-8", UserStyleSheet =  Path.Combine(Directory.GetCurrentDirectory(), "assets", "bulma.min.css") },
  94                 FooterSettings = { FontSize = 9, Right = "Page [page] of [toPage]    ", Line = false, Spacing = 0.812  }
  95             };
  96
  97             var pdf = new HtmlToPdfDocument()
  98             {
  99                 GlobalSettings = globalSettings,
 100                 Objects = { objectSettings }
 101             };
 102
 103             var file = _converter.Convert(pdf);
 104             if(Request.Headers["Accept"] == "application/base64")
 105                 return Content(Convert.ToBase64String(file));
 106             else
 107                 return File(file, "application/pdf");
 108         }
 109
 110     }
 111 }