Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
| 1 | <?php |
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| 36 | class ServiceController extends Controller |
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| 37 | { |
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| 38 | /** |
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| 39 | * Display service overview page. |
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| 40 | * |
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| 41 | * @param \Illuminate\Http\Request $request |
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| 42 | * @return \Illuminate\View\View |
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| 43 | */ |
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| 44 | public function index(Request $request) |
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| 50 | |||
| 51 | /** |
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| 52 | * Display create service page. |
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| 53 | * |
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| 54 | * @param \Illuminate\Http\Request $request |
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| 55 | * @return \Illuminate\View\View |
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| 56 | */ |
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| 57 | public function create(Request $request) |
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| 58 | { |
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| 59 | return view('admin.services.new'); |
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| 60 | } |
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| 61 | |||
| 62 | /** |
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| 63 | * Return base view for a service. |
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| 64 | * |
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| 65 | * @param \Illuminate\Http\Request $request |
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| 66 | * @param int $id |
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| 67 | * @return \Illuminate\View\View |
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| 68 | */ |
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| 69 | public function view(Request $request, $id) |
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| 75 | |||
| 76 | /** |
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| 77 | * Return function editing view for a service. |
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| 78 | * |
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| 79 | * @param \Illuminate\Http\Request $request |
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| 80 | * @param int $id |
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| 81 | * @return \Illuminate\View\View |
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| 82 | */ |
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| 83 | public function viewFunctions(Request $request, $id) |
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| 87 | |||
| 88 | /** |
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| 89 | * Handle post action for new service. |
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| 90 | * |
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| 91 | * @param \Illuminate\Http\Request $request |
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| 92 | * @return \Illuminate\Http\RedirectResponse |
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| 93 | */ |
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| 94 | View Code Duplication | public function store(Request $request) |
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| 95 | { |
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| 96 | $repo = new ServiceRepository; |
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| 97 | |||
| 98 | try { |
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| 99 | $service = $repo->create($request->intersect([ |
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| 100 | 'name', 'description', 'folder', 'startup', |
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| 101 | ])); |
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| 102 | Alert::success('Successfully created new service!')->flash(); |
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| 103 | |||
| 104 | return redirect()->route('admin.services.view', $service->id); |
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| 105 | } catch (DisplayValidationException $ex) { |
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| 106 | return redirect()->route('admin.services.new')->withErrors(json_decode($ex->getMessage()))->withInput(); |
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| 107 | } catch (DisplayException $ex) { |
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| 108 | Alert::danger($ex->getMessage())->flash(); |
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| 109 | } catch (\Exception $ex) { |
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| 110 | Log::error($ex); |
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| 111 | Alert::danger('An error occured while attempting to add a new service. This error has been logged.')->flash(); |
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| 112 | } |
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| 113 | |||
| 114 | return redirect()->route('admin.services.new')->withInput(); |
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| 115 | } |
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| 116 | |||
| 117 | /** |
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| 118 | * Edits configuration for a specific service. |
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| 119 | * |
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| 120 | * @param \Illuminate\Http\Request $request |
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| 121 | * @param int $id |
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| 122 | * @return \Illuminate\Http\RedirectResponse |
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| 123 | */ |
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| 124 | public function edit(Request $request, $id) |
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| 152 | } |
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| 153 |
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.