update,

quotation2/laravel-simple-tryout/php74-httpd/example-app/app/Models/Exam.php

@@ -0,0 +1,81 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\SoftDeletes;
+use Yajra\DataTables\Facades\DataTables;
+use App\Models\Country;
+use App\Models\State;
+use App\Models\ExamCategory;
+
+class Exam extends Model {
+
+    use HasFactory,
+        SoftDeletes;
+
+    protected $table = 'exam';
+
+    public function getCountry() {
+        return $this->hasOne(Country::class, 'id', 'country_id');
+    }
+
+    public function getState() {
+        return $this->hasOne(State::class, 'id', 'state_id');
+    }
+
+    public function getExamCategory() {
+        return $this->hasOne(ExamCategory::class, 'id', 'exam_category_id');
+    }
+
+    public static function getExamList($request) {
+        if ($request->ajax()) {
+            $data = Exam::with(['getCountry', 'getState', 'getExamCategory']);
+            if ($request->order) {
+                $data->orderBy('id', 'desc');
+            }
+            return DataTables::of($data)
+                            ->addColumn('country', function ($row) {
+                                return $row->getCountry->name;
+                            })
+                            ->addColumn('state', function ($row) {
+                                return $row->getState->name;
+                            })
+                            ->addColumn('category', function ($row) {
+                                return $row->getExamCategory->title;
+                            })
+                            ->addColumn('action', function ($row) {
+                                $actionBtn = '<a href="' . route('admin.exam.edit', $row->id) . '" class="edit btn btn-success btn-flat btn-sm"><i class="fa fa-pencil-square-o"></i> </a> <a href="javascript:void(0)" class="delete btn btn-danger btn-flat btn-sm delete_exam" data-id="' . $row->id . '" ><i class="fa-sharp fa-solid fa fa-trash"></i></a>';
+                                return $actionBtn;
+                            })
+                            ->rawColumns(['action'])
+                            ->make(true);
+        }
+    }
+
+    /* Add Edit Country */
+
+    public static function addEditExam($request, $id = '') {
+        if ($id) {
+            $data = Exam::find($id);
+        } else {
+            $data = new Exam();
+        }
+        $data->exam_category_id = $request->examcategory;
+        $data->country_id = $request->country;
+        $data->state_id = $request->state;
+        $data->name = $request->name;
+        $data->description = $request->description;
+        $data->save();
+        return $data;
+    }
+
+    /* Delete Exam */
+
+    public static function Examdelete($id) {
+        Exam::where('id', $id)->delete();
+        return 1;
+    }
+
+}