update,

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

@@ -0,0 +1,56 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Yajra\DataTables\Facades\DataTables;
+use Illuminate\Database\Eloquent\SoftDeletes;
+use App\Models\Plan;
+
+class Subject extends Model
+{
+    use HasFactory, SoftDeletes;
+    protected $table = 'subjects';
+
+    public function getPlan()
+    {
+        return $this->hasOne(Plan::class, 'id', 'plan_id');
+    }
+    public static function getSubjectList($request)
+    {
+        if ($request->ajax()) {
+            $data = Subject::with('getPlan');
+            $data->orderBy('id', 'desc');
+            return DataTables::of($data)
+                ->addColumn('plan', function ($row) {
+                    return $row->getPlan->name;
+                })
+                ->addColumn('action', function ($row) {
+                    $actionBtn = '<a href="' . route('admin.subject.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-sm btn-flat delete_subject" data-id="' . $row->id . '" ><i class=" fa-sharp fa-solid fa fa-trash"></i></a>';
+                    return $actionBtn;
+                })
+                ->rawColumns(['action'])
+                ->make(true);
+        }
+    }
+    /* Add Edit State */
+    public static function addEditSubject($request, $id = '')
+    {
+        if ($id) {
+            $data = Subject::find($id);
+        } else {
+            $data = new Subject();
+        }
+        $data->plan_id = $request->plan;
+        $data->name = $request->name;
+        $data->save();
+        return $data;
+    }
+
+    /* Delete State */
+    public static function Subjectdelete($id)
+    {
+        return Subject::where('id', $id)->delete();
+    }
+}