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.