1 | <?php |
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2 | |||
3 | /* |
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4 | * This file is part of Laravel Love. |
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5 | * |
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6 | * (c) Anton Komarev <[email protected]> |
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7 | * |
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8 | * For the full copyright and license information, please view the LICENSE |
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9 | * file that was distributed with this source code. |
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10 | */ |
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11 | |||
12 | declare(strict_types=1); |
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13 | |||
14 | namespace Cog\Laravel\Love\Reacter\Models; |
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15 | |||
16 | use Cog\Contracts\Love\Reactant\Exceptions\ReactantInvalid; |
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17 | use Cog\Contracts\Love\Reactant\Models\Reactant as ReactantContract; |
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18 | use Cog\Contracts\Love\Reacter\Exceptions\NotAssignedToReacterable; |
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19 | use Cog\Contracts\Love\Reacter\Models\Reacter as ReacterContract; |
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20 | use Cog\Contracts\Love\Reacterable\Models\Reacterable as ReacterableContract; |
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21 | use Cog\Contracts\Love\Reaction\Exceptions\ReactionAlreadyExists; |
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22 | use Cog\Contracts\Love\Reaction\Exceptions\ReactionNotExists; |
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23 | use Cog\Contracts\Love\Reaction\Models\Reaction as ReactionContract; |
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24 | use Cog\Contracts\Love\ReactionType\Models\ReactionType as ReactionTypeContract; |
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25 | use Cog\Laravel\Love\Reaction\Models\Reaction; |
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26 | use Cog\Laravel\Love\Support\Database\Eloquent\Model; |
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27 | use Illuminate\Database\Eloquent\Relations\HasMany; |
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28 | use Illuminate\Database\Eloquent\Relations\MorphTo; |
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29 | |||
30 | final class Reacter extends Model implements |
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31 | ReacterContract |
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32 | { |
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33 | protected $table = 'love_reacters'; |
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34 | |||
35 | protected $fillable = [ |
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36 | 'type', |
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37 | ]; |
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38 | |||
39 | protected $casts = [ |
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40 | 'id' => 'string', |
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41 | ]; |
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42 | |||
43 | public function reacterable(): MorphTo |
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44 | { |
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45 | return $this->morphTo('reacterable', 'type', 'id', 'love_reacter_id'); |
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46 | } |
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47 | |||
48 | public function reactions(): HasMany |
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49 | { |
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50 | return $this->hasMany(Reaction::class, 'reacter_id'); |
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51 | } |
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52 | |||
53 | public function getId(): string |
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54 | { |
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55 | return $this->getAttributeValue('id'); |
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56 | } |
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57 | |||
58 | public function getReacterable(): ReacterableContract |
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59 | { |
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60 | $reacterable = $this->getAttribute('reacterable'); |
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61 | |||
62 | if (is_null($reacterable)) { |
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63 | throw new NotAssignedToReacterable(); |
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64 | } |
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65 | |||
66 | return $reacterable; |
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67 | } |
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68 | |||
69 | public function getReactions(): iterable |
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70 | { |
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71 | return $this->getAttribute('reactions'); |
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72 | } |
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73 | |||
74 | public function reactTo( |
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75 | ReactantContract $reactant, |
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76 | ReactionTypeContract $reactionType, |
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77 | ?float $rate = null |
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78 | ): void { |
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79 | if ($reactant->isNull()) { |
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80 | throw ReactantInvalid::notExists(); |
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81 | } |
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82 | |||
83 | $reaction = $this->findReaction($reactant, $reactionType); |
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84 | |||
85 | if (is_null($reaction)) { |
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86 | $this->createReaction($reactant, $reactionType, $rate); |
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87 | |||
88 | return; |
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89 | } |
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90 | |||
91 | if (is_null($rate)) { |
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92 | throw new ReactionAlreadyExists( |
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93 | sprintf('Reaction of type `%s` already exists.', $reactionType->getName()) |
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94 | ); |
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95 | } |
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96 | |||
97 | if ($reaction->getRate() === $rate) { |
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98 | throw new ReactionAlreadyExists( |
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99 | sprintf('Reaction of type `%s` with `%s` rate already exists.', $reactionType->getName(), $rate) |
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100 | ); |
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101 | } |
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102 | |||
103 | $reaction->update([ |
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104 | 'rate' => $rate, |
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105 | ]); |
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106 | } |
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107 | |||
108 | public function unreactTo( |
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109 | ReactantContract $reactant, |
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110 | ReactionTypeContract $reactionType |
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111 | ): void { |
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112 | if ($reactant->isNull()) { |
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113 | throw ReactantInvalid::notExists(); |
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114 | } |
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115 | |||
116 | $reaction = $this->findReaction($reactant, $reactionType); |
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117 | |||
118 | if (is_null($reaction)) { |
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119 | throw new ReactionNotExists( |
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120 | sprintf('Reaction of type `%s` not exists.', $reactionType->getName()) |
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121 | ); |
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122 | } |
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123 | |||
124 | $reaction->delete(); |
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125 | } |
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126 | |||
127 | public function hasReactedTo( |
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128 | ReactantContract $reactant, |
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129 | ?ReactionTypeContract $reactionType = null, |
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130 | float $rate = null |
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131 | ): bool { |
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132 | if ($reactant->isNull()) { |
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133 | return false; |
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134 | } |
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135 | |||
136 | return $reactant->isReactedBy($this, $reactionType, $rate); |
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137 | } |
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138 | |||
139 | public function hasNotReactedTo( |
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140 | ReactantContract $reactant, |
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141 | ?ReactionTypeContract $reactionType = null, |
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142 | float $rate = null |
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143 | ): bool { |
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144 | return $reactant->isNotReactedBy($this, $reactionType, $rate); |
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145 | } |
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146 | |||
147 | public function isEqualTo( |
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148 | ReacterContract $that |
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149 | ): bool { |
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150 | return $that->isNotNull() |
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151 | && $this->getId() === $that->getId(); |
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152 | } |
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153 | |||
154 | public function isNotEqualTo( |
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155 | ReacterContract $that |
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156 | ): bool { |
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157 | return !$this->isEqualTo($that); |
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158 | } |
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159 | |||
160 | public function isNull(): bool |
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161 | { |
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162 | return !$this->exists; |
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163 | } |
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164 | |||
165 | public function isNotNull(): bool |
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166 | { |
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167 | return $this->exists; |
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168 | } |
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169 | |||
170 | private function createReaction( |
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171 | ReactantContract $reactant, |
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172 | ReactionTypeContract $reactionType, |
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173 | ?float $rate |
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174 | ): void { |
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175 | $this->reactions()->create([ |
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176 | 'reaction_type_id' => $reactionType->getId(), |
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177 | 'reactant_id' => $reactant->getId(), |
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178 | 'rate' => $rate, |
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179 | ]); |
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180 | } |
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181 | |||
182 | /** |
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183 | * @param \Cog\Contracts\Love\Reactant\Models\Reactant $reactant |
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184 | * @param \Cog\Contracts\Love\ReactionType\Models\ReactionType $reactionType |
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185 | * @return null|\Cog\Contracts\Love\Reaction\Models\Reaction|\Illuminate\Database\Eloquent\Model |
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186 | */ |
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187 | private function findReaction( |
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188 | ReactantContract $reactant, |
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189 | ReactionTypeContract $reactionType |
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190 | ): ?ReactionContract { |
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191 | return $this |
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192 | ->reactions() |
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193 | ->where('reactant_id', $reactant->getId()) |
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194 | ->where('reaction_type_id', $reactionType->getId()) |
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195 | ->first(); |
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196 | } |
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197 | } |
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198 |