javascript - Inserting image to SAP HANA Table using XSJS -


i know known issue i'm having difficulty on fixing problem. seems don't receive ui5 application when sent image via fileuploader server. new hcp , first time handling xsjs file. hope can me.

ui5.controller.js

sap.ui.define([   "sap/ui/core/mvc/controller"   ], function(controller) {   "use strict";   return controller.extend("sample.controller.view1", {   handleuploadpress : function(oevent)     {         var fileloader =this.getview().byid("fileloader");//xml view             var filename = fileloader.getvalue();              jquery.sap.require("sap.ui.commons.messagebox");                if (filename === "" )                  {                          sap.ui.commons.messagebox.show("please choose file.", sap.ui.commons.messagebox.icon.information, "information");                }                else                {                  var uploadurl = "https://xxxxxx/services/sample.xsjs?file_name="+filename;                  var formele = jquery.sap.dombyid("updatecontact--fileloader");                 var form = $(formele).find("form")[0] ;                  var fd = new formdata(form);                     $.ajax({                            url: uploadurl,                            type: "get",                            beforesend: function(xhr)                            {                                      xhr.setrequestheader("x-csrf-token", "fetch");                            },                            success: function(data, textstatus, xmlhttprequest) {                                      var token = xmlhttprequest.getresponseheader('x-csrf-token');                                      $.ajax({                                                url: uploadurl,                                                type: "post",                                                processdata :false ,                                               contenttype: false,                                              data: fd,                                                beforesend: function(xhr)                                                {                                                          xhr.setrequestheader("x-csrf-token", token);                                                },                                                success: function(data, textstatus, xmlhttprequest)                                                 {                                                     var resptext = xmlhttprequest.responsetext;                                                     jquery.sap.require("sap.ui.commons.messagebox");                                                     sap.ui.commons.messagebox.show(resptext, sap.ui.commons.messagebox.icon.information, "information");                                                    if(data === "upload successful"){                                                     sap.ui.commons.messagebox.show("file uploaded.", sap.ui.commons.messagebox.icon.information, "information");                                                    }                                              },                                                error: function(data, textstatus, xmlhttprequest)                                                {                                                          sap.ui.commons.messagebox.show("file not uploaded.", sap.ui.commons.messagebox.icon.error, "error");                                                }                                      });                            }} ) ;                   }              }          });

xsjs service:

$.response.contenttype = "text/html";     try     {         var conn = $.hdb.getconnection();         var filename = $.request.parameters.get("file_name");        var headers = $.entity.headers.length;       var pstmt = conn.preparestatement("insert \"xxx_assets\".\"xxx\" values('1',?,'test',current_user,current_timestamp)");        if($.request.entities.length > 0){            var file_body = $.request.entities[0].body.asarraybuffer();            pstmt.setblob(1,file_body);          pstmt.execute();          $.response.setbody("[200]:upload successful!");         }         else         {            $.response.setbody("no entries");         }         pstmt.close();         conn.commit();         conn.close();          }         catch(err)         {            if (pstmt !== null)            {              pstmt.close();            }            if (conn !== null)            {              conn.close();            }            $.response.setbody(err.message);          }    }

my code built based on tutorials have found on internet. thank you.


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