1 | <?php |
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2 | /** |
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3 | * Created by PhpStorm. |
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4 | * User: sheldon |
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5 | * Date: 18-3-27 |
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6 | * Time: 下午4:12. |
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7 | */ |
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8 | |||
9 | namespace Yeelight\Traits; |
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10 | |||
11 | use Illuminate\Database\Eloquent\Relations\BelongsToMany; |
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12 | use Illuminate\Support\Collection; |
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13 | use Illuminate\Support\Facades\Storage; |
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14 | |||
15 | /** |
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16 | * Trait HasPermissions |
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17 | * |
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18 | * @category Yeelight |
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19 | * |
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20 | * @package Yeelight\Traits |
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21 | * |
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22 | * @author Sheldon Lee <[email protected]> |
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23 | * |
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24 | * @license https://opensource.org/licenses/MIT MIT |
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25 | * |
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26 | * @link https://www.yeelight.com |
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27 | */ |
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28 | trait HasPermissions |
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29 | { |
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30 | /** |
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31 | * Get avatar attribute. |
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32 | * |
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33 | * @param string $avatar |
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34 | * |
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35 | * @return string |
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36 | */ |
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37 | public function getAvatarAttribute($avatar) |
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38 | { |
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39 | if ($avatar) { |
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40 | return Storage::disk(config('yeelight.backend.upload.disk'))->url($avatar); |
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41 | } |
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42 | |||
43 | return backend_asset('/img/user2-160x160.jpg'); |
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44 | } |
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45 | |||
46 | /** |
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47 | * A user has and belongs to many roles. |
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48 | * |
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49 | * @return BelongsToMany |
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50 | */ |
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51 | public function roles() : BelongsToMany |
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52 | { |
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53 | $pivotTable = config('yeelight.backend.database.admin_role_users_table'); |
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54 | |||
55 | $relatedModel = config('yeelight.backend.database.admin_roles_model'); |
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56 | |||
57 | return $this->belongsToMany($relatedModel, $pivotTable, 'user_id', 'role_id')->withTimestamps(); |
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58 | } |
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59 | |||
60 | /** |
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61 | * A User has and belongs to many permissions. |
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62 | * |
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63 | * @return BelongsToMany |
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64 | */ |
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65 | public function permissions() : BelongsToMany |
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66 | { |
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67 | $pivotTable = config('yeelight.backend.database.admin_user_permissions_table'); |
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68 | |||
69 | $relatedModel = config('yeelight.backend.database.admin_permissions_model'); |
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70 | |||
71 | return $this->belongsToMany($relatedModel, $pivotTable, 'user_id', 'permission_id')->withTimestamps(); |
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72 | } |
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73 | |||
74 | /** |
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75 | * Get all permissions of user. |
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76 | * |
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77 | * @return mixed |
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78 | */ |
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79 | public function allPermissions() : Collection |
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80 | { |
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81 | return $this->roles()->with('permissions')->get()->pluck('permissions')->flatten()->merge($this->permissions); |
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82 | } |
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83 | |||
84 | /** |
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85 | * Check if user has permission. |
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86 | * |
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87 | * @param $permission |
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88 | * |
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89 | * @return bool |
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90 | */ |
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91 | public function can(string $permission) : bool |
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92 | { |
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93 | if ($this->isAdministrator()) { |
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94 | return true; |
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95 | } |
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96 | |||
97 | if ($this->permissions->pluck('slug')->contains($permission)) { |
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98 | return true; |
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99 | } |
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100 | |||
101 | return $this->roles->pluck('permissions')->flatten()->pluck('slug')->contains($permission); |
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102 | } |
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103 | |||
104 | /** |
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105 | * Check if user has no permission. |
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106 | * |
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107 | * @param $permission |
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108 | * |
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109 | * @return bool |
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110 | */ |
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111 | public function cannot(string $permission) : bool |
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112 | { |
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113 | return !$this->can($permission); |
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114 | } |
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115 | |||
116 | /** |
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117 | * Check if user is administrator. |
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118 | * |
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119 | * @return mixed |
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120 | */ |
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121 | public function isAdministrator() : bool |
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122 | { |
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123 | return $this->isRole(config('yeelight.backend.auth.super_role')); |
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124 | } |
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125 | |||
126 | /** |
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127 | * Check if user is $role. |
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128 | * |
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129 | * @param string $role |
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130 | * |
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131 | * @return mixed |
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132 | */ |
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133 | public function isRole(string $role) : bool |
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134 | { |
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135 | return $this->roles->pluck('slug')->contains($role); |
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136 | } |
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137 | |||
138 | /** |
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139 | * Check if user in $roles. |
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140 | * |
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141 | * @param array $roles |
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142 | * |
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143 | * @return mixed |
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144 | */ |
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145 | public function inRoles(array $roles = []) : bool |
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146 | { |
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147 | return $this->roles->pluck('slug')->intersect($roles)->isNotEmpty(); |
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148 | } |
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149 | |||
150 | /** |
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151 | * If visible for roles. |
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152 | * |
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153 | * @param $roles |
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154 | * |
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155 | * @return bool |
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156 | */ |
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157 | public function visible(array $roles = []) : bool |
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158 | { |
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159 | if (empty($roles)) { |
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160 | return true; |
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161 | } |
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162 | |||
163 | $roles = array_column($roles, 'slug'); |
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164 | |||
165 | return $this->inRoles($roles) || $this->isAdministrator(); |
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166 | } |
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167 | |||
168 | /** |
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169 | * Detach models from the relationship. |
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170 | * |
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171 | * @return void |
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172 | */ |
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173 | protected static function boot() |
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174 | { |
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175 | parent::boot(); |
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176 | |||
177 | static::deleting(function ($model) { |
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178 | $model->roles()->detach(); |
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179 | |||
180 | $model->permissions()->detach(); |
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181 | }); |
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182 | } |
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183 | } |
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184 |