added remove role function

added add role function
modified admin dashboard views

app/Http/Controllers/AdminController.php

@@ -0,0 +1,54 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use Illuminate\Http\Request;
+
+use DB;
+
+class AdminController extends Controller
+{
+    public function __construct() {
+        $this->middleware('auth');
+        $this->middleware('roles:Admin');
+    }
+
+    public function displayDashboard() {
+        return view('admin.dashboard');
+    }
+
+    public function addRole(Request $request) {
+        //Get the user and role from the form
+        $user = $request->user;
+        $role = $request->role;
+        //Get the character id from the username using the user table
+        $character = DB::table('users')->where('name', $user)->first();
+        $check = DB::table('user_roles')->where(['character_id' => $character->character_id, 'role' => $role])->get();
+        if($check === null) {
+            DB::table('user_roles')->insert([
+                'character_id' => $characer->character->id,
+                'role'=> $role,
+            ]);
+            return view('admin.dashboard')->with('success', 'User Updated.');
+        }
+
+        return view('admin.dashboard')->with('error', 'User already has the role.');
+    }
+
+    public function removeRole(Request $request) {
+        //Get the user and role from the form
+        $user = $request->user;
+        $role = $request->role;
+        //Get the character id from teh username using the user table
+        $character = DB::table('users')->where('name', $user)->first();
+        $check = DB::table('user_roles')->where(['character_id' => $character->character_id, 'role' => $role])->get();
+        if($check !== null) {
+            DB::table('user_roles')->where(['character_id' => $character->id,
+                                            'role' => $role])
+                                            ->delete();
+            return view('admin.dashboard')->with('success', 'User Updated.');
+        }
+
+        return view('admin.dashboard')->with('error', 'User did not have the role.');
+    }
+}