sending for columns for use in pdf generation

Author: Trodrige

Modules/ReportGenerator/Http/Controllers/PdfController.php

@@ -0,0 +1,73 @@
+<?php
+
+namespace Modules\ReportGenerator\Http\Controllers;
+
+use Illuminate\Http\Request;
+use Illuminate\Http\Response;
+use Illuminate\Routing\Controller;
+
+class PdfController extends Controller
+{
+    /**
+     * Display a listing of the resource.
+     * @return Response
+     */
+    public function index(Request $request)
+    {
+        dd($request->column_names);
+        return view('reportgenerator::index');
+    }
+
+    /**
+     * Show the form for creating a new resource.
+     * @return Response
+     */
+    public function create()
+    {
+        return view('reportgenerator::create');
+    }
+
+    /**
+     * Store a newly created resource in storage.
+     * @param  Request $request
+     * @return Response
+     */
+    public function store(Request $request)
+    {
+    }
+
+    /**
+     * Show the specified resource.
+     * @return Response
+     */
+    public function show()
+    {
+        return view('reportgenerator::show');
+    }
+
+    /**
+     * Show the form for editing the specified resource.
+     * @return Response
+     */
+    public function edit()
+    {
+        return view('reportgenerator::edit');
+    }
+
+    /**
+     * Update the specified resource in storage.
+     * @param  Request $request
+     * @return Response
+     */
+    public function update(Request $request)
+    {
+    }
+
+    /**
+     * Remove the specified resource from storage.
+     * @return Response
+     */
+    public function destroy()
+    {
+    }
+}

Modules/ReportGenerator/Http/Controllers/ReportGeneratorController.php

@@ -86,7 +86,7 @@ public function showReport($option_ids, $hide = False)
         }
 
         $data = []; // store the retrieved data
-        $column_names = []; // st
+        $column_names = []; // store the column_names
         foreach ($column_list as $columns) { // $columns has the list of columns for each component.
             $table_name = $columns[0]; // get table name to which each column list points to.
             for($i = 1; $i < count($columns); $i++) {  // foreach list of columns

Modules/ReportGenerator/Http/routes.php

@@ -2,9 +2,7 @@
 
 Route::group(['middleware' => 'web', 'prefix' => 'reportgenerator', 'namespace' => 'Modules\ReportGenerator\Http\Controllers'], function()
 {
-    Route::get('pdf_report', function(){
-        return view('');
-    });
+    Route::get('/pdf_report', 'PdfController@index');
 
     Route::get('/', 'ReportGeneratorController@index');
 

Modules/ReportGenerator/Resources/views/report.blade.php

@@ -16,7 +16,12 @@
                 <button type="button" class="btn btn-info" data-toggle="modal" data-target="#add-report-format">Save report as</button>&nbsp;
             @endif
             <button type="button" class="btn btn-info" onclick="printReport('report_div')">Print</button>&nbsp;
-            <a type="button" class="btn btn-info" href="{{ asset('pdf_report.php') }}">PDF</a>&nbsp;
+            <form method="get" action="{{ url('reportgenerator/pdf_report') }}">
+                @foreach($column_names as $key => $column_name)
+                    <input name="column_names[]" class="column_names" id="column_names[]" type="hidden" value="{{ $column_name }}" align="absmiddle" />
+                @endforeach
+                <button type="submit" class="btn btn-info" id="pdf-button">PDF</button>
+            </form>&nbsp;
             <button type="button" class="btn btn-info">TXT</button>&nbsp;
             <button type="button" class="btn btn-info">CSV</button>&nbsp;
             <button type="button" class="btn btn-info">ODT</button>

public/assets/js/master.js

@@ -66,6 +66,33 @@ function generate(IDs) {
   });
 }
 
+/* This function gets the column_names of all columns in a displayed report for pdf use.
+ * @params: array: column_names
+ * @return: Display these column_names
+ */
+function pdf_report_generate(column_names) {
+  $.ajaxSetup({
+    headers: {
+      'X-CSRF-TOKEN': $('meta[name="_token"]').attr('content')
+    }
+  });
+  $.ajax({
+    url: 'reportgenerator/pdf_report',
+    type: 'get',
+    data: { column_names: column_names },
+    dataType: 'json',
+    success: function(response){
+      console.log(response);
+      //jQuery('.alert').show();
+      //jQuery('.alert').html(response.column_names);
+      window.location.href = response.redirecturl; // your action should return an object having [redirecturl] property
+    },
+    error: function (httpRequest, textStatus, errorThrown) {  // detailed error messsage
+      alert("Error: " + textStatus + " " + errorThrown + " " + httpRequest);
+    }
+  });
+}
+
 /* This function prints the report.
  * @params: DOM element: report_div
  * @return: Boolean: True
@@ -105,6 +132,23 @@ $(document).ready(function() {
         }
     });
 
+    /*** PDF code from PDF button ***/
+    $('#pdf-button').click(function(e) {
+        e.preventDefault();
+        var column_names = [];
+
+        $("input[name='column_names[]'].column_names").each(function() { // get all the column_names from that foreach loop in report.blade.php
+            column_names[] = $(this).val();
+            //column_names.push($(this).val());
+        });
+
+        if (jQuery.isEmptyObject(column_names)) { // check if the user has dropped any component before trying to generate a report
+            alert("Cannot generate pdf of report! Please try again.");
+        } else {
+            pdf_report_generate(column_names); // Call the generate function above when the generate button is clicked
+        }
+    });
+
     /*** Edit system feature ***/
     $('#edit-system-feature').on('show.bs.modal', function(e){
         $('#edit-system-feature #feature_name').val($(e.relatedTarget).data('feature_name'));