[angularjs] How to Display blob (.pdf) in an AngularJS app

I have struggled for the past couple of days trying to download pdfs and images,all I was able to download was simple text files.

Most of the questions have the same components, but it took a while to figure out the right order to make it work.

Thank you @Nikolay Melnikov, your comment/reply to this question was what made it work.

In a nutshell, here is my AngularJS Service backend call:

  getDownloadUrl(fileID){
    //
    //Get the download url of the file
    let fullPath = this.paths.downloadServerURL + fileId;
    //
    // return the file as arraybuffer 
    return this.$http.get(fullPath, {
      headers: {
        'Authorization': 'Bearer ' + this.sessionService.getToken()
      },
      responseType: 'arraybuffer'
    });
  }

From my controller:

downloadFile(){
   myService.getDownloadUrl(idOfTheFile).then( (response) => {
      //Create a new blob object
      let myBlobObject=new Blob([response.data],{ type:'application/pdf'});

      //Ideally the mime type can change based on the file extension
      //let myBlobObject=new Blob([response.data],{ type: mimeType});

      var url = window.URL || window.webkitURL
      var fileURL = url.createObjectURL(myBlobObject);
      var downloadLink = angular.element('<a></a>');
      downloadLink.attr('href',fileURL);
      downloadLink.attr('download',this.myFilesObj[documentId].name);
      downloadLink.attr('target','_self');
      downloadLink[0].click();//call click function
      url.revokeObjectURL(fileURL);//revoke the object from URL
    });
}

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