client/src/routes/project/export-tab.tsx

@@ -12,14 +12,49 @@ const ExportTab: FunctionalComponent<ExportTabProps> = ({ project }) => {
     route(`/pdf/${uuid}`);
   };
 
+  const showFile = (blob:any) => {
+    var newBlob = new Blob([blob], {type: "application/pdf"})
+  
+    if (window.navigator && window.navigator.msSaveOrOpenBlob) {
+      window.navigator.msSaveOrOpenBlob(newBlob);
+      return;
+    } 
+  
+    const data = window.URL.createObjectURL(newBlob);
+    var link = document.createElement('a');
+    link.href = data;
+    link.download=project.label+".pdf";
+    link.click();
+    setTimeout(function(){
+      window.URL.revokeObjectURL(data);
+    }, 100);
+  }
+
+  const options = {
+    projectURL: `//${window.location.host}/export/projects`,
+  }
+
+  const exportPdf = () => {
+    return fetch(`${options.projectURL}/${project.id}`, {
+      method: 'GET',
+    }).then(r => r.blob())
+    .then(showFile);
+  };
+
   return (
     <div>
       <label class="label is-size-4">Format PDF</label>
       <div class="field">
-      <button class="button is-primary"
-        onClick={displayPdf}>
-        Aperçu PDF
-      </button>
+        <button class="button is-default"
+          onClick={displayPdf}>
+          Aperçu PDF
+        </button>
+      </div>
+      <div class="field">
+        <a class="button is-primary"
+          onClick={exportPdf}>
+          Exporter PDF
+        </a>
       </div>
       <hr />
       <label class="label is-size-4">Format JSON</label>

server/internal/route/project.go

@@ -119,12 +119,6 @@ func handleExportProject(w http.ResponseWriter, r *http.Request) {
 		log.Fatal(err)
 	}
 
-	// Write buffer contents to file on disk
-	err = pdfg.WriteFile("./sample.pdf")
-	if err != nil {
-		log.Fatal(err)
-	}
-
 	rsp, err := writePDF(w, http.StatusOK, pdfg.Bytes())
 	if err != nil {
 		panic(errors.Wrap(err, "could not write pdf response"))
@@ -307,7 +301,7 @@ func writeJSON(w http.ResponseWriter, statusCode int, data interface{}) error {
 }
 
 func writePDF(w http.ResponseWriter, statusCode int, data []byte) (int, error) {
-	w.Header().Set("Content-Disposition", "attachment; filename=foo.pdf")
+	w.Header().Set("Content-Disposition", "attachment; filename=estimation.pdf")
 	w.Header().Set("Content-Type", "application/pdf")
 
 	w.WriteHeader(statusCode)