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<?php |
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/* |
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* This file is part of Laravel Love. |
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* |
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* (c) Anton Komarev <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace Cog\Laravel\Love\Reactable\Models\Traits; |
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use Cog\Contracts\Love\Reactable\Exceptions\AlreadyRegisteredAsLoveReactant; |
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use Cog\Contracts\Love\Reactant\Facades\Reactant as ReactantFacadeContract; |
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use Cog\Contracts\Love\Reactant\Models\Reactant as ReactantContract; |
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use Cog\Contracts\Love\Reacterable\Models\Reacterable as ReacterableContract; |
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use Cog\Laravel\Love\Reactable\Observers\ReactableObserver; |
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use Cog\Laravel\Love\Reactant\Facades\Reactant as ReactantFacade; |
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use Cog\Laravel\Love\Reactant\Models\NullReactant; |
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use Cog\Laravel\Love\Reactant\Models\Reactant; |
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use Cog\Laravel\Love\Reactant\ReactionCounter\Models\ReactionCounter; |
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use Cog\Laravel\Love\Reactant\ReactionTotal\Models\ReactionTotal; |
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use Cog\Laravel\Love\ReactionType\Models\ReactionType; |
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use Illuminate\Database\Eloquent\Builder; |
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use Illuminate\Database\Eloquent\Relations\BelongsTo; |
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use Illuminate\Database\Query\JoinClause; |
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use Illuminate\Support\Facades\DB; |
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use Illuminate\Support\Str; |
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/** |
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* @mixin \Cog\Contracts\Love\Reactable\Models\Reactable |
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*/ |
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trait Reactable |
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{ |
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protected static function bootReactable(): void |
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{ |
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static::observe(ReactableObserver::class); |
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} |
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public function loveReactant(): BelongsTo |
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{ |
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return $this->belongsTo(Reactant::class, 'love_reactant_id'); |
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} |
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public function getLoveReactant(): ReactantContract |
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{ |
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return $this->getAttribute('loveReactant') ?? new NullReactant($this); |
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} |
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public function viaLoveReactant(): ReactantFacadeContract |
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{ |
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return new ReactantFacade($this->getLoveReactant()); |
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} |
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public function isRegisteredAsLoveReactant(): bool |
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{ |
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return !$this->isNotRegisteredAsLoveReactant(); |
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} |
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public function isNotRegisteredAsLoveReactant(): bool |
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{ |
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return is_null($this->getAttributeValue('love_reactant_id')); |
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} |
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public function registerAsLoveReactant(): void |
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{ |
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if ($this->isRegisteredAsLoveReactant()) { |
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throw new AlreadyRegisteredAsLoveReactant(); |
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} |
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/** @var \Cog\Contracts\Love\Reactant\Models\Reactant $reactant */ |
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$reactant = $this->loveReactant()->create([ |
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'type' => $this->getMorphClass(), |
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]); |
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$this->setAttribute('love_reactant_id', $reactant->getId()); |
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$this->save(); |
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} |
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public function scopeWhereReactedBy( |
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Builder $query, |
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ReacterableContract $reacterable, |
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?string $reactionTypeName = null |
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): Builder { |
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return $query->whereHas('loveReactant.reactions', function (Builder $reactionsQuery) use ($reacterable, $reactionTypeName) { |
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$reactionsQuery->where('reacter_id', $reacterable->getLoveReacter()->getId()); |
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if (!is_null($reactionTypeName)) { |
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$reactionsQuery->where('reaction_type_id', ReactionType::fromName($reactionTypeName)->getId()); |
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} |
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}); |
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} |
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public function scopeWhereNotReactedBy( |
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Builder $query, |
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ReacterableContract $reacterable, |
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?string $reactionTypeName = null |
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): Builder { |
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return $query->whereDoesntHave('loveReactant.reactions', function (Builder $reactionsQuery) use ($reacterable, $reactionTypeName) { |
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$reactionsQuery->where('reacter_id', $reacterable->getLoveReacter()->getId()); |
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if (!is_null($reactionTypeName)) { |
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$reactionsQuery->where('reaction_type_id', ReactionType::fromName($reactionTypeName)->getId()); |
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} |
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}); |
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} |
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public function scopeJoinReactionCounterOfType( |
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Builder $query, |
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string $reactionTypeName, |
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?string $alias = null |
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): Builder { |
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$reactionType = ReactionType::fromName($reactionTypeName); |
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$alias = is_null($alias) ? 'reaction_' . Str::snake($reactionType->getName()) : $alias; |
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$select = $query->getQuery()->columns ?? ["{$this->getTable()}.*"]; |
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$select[] = DB::raw("COALESCE({$alias}.count, 0) as {$alias}_count"); |
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$select[] = DB::raw("COALESCE({$alias}.weight, 0) as {$alias}_weight"); |
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return $query |
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->leftJoin((new ReactionCounter())->getTable() . ' as '. $alias, function (JoinClause $join) use ($reactionType, $alias) { |
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$join->on("{$alias}.reactant_id", '=', "{$this->getTable()}.love_reactant_id"); |
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$join->where("{$alias}.reaction_type_id", $reactionType->getId()); |
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}) |
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->select($select); |
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} |
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public function scopeJoinReactionTotal( |
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Builder $query, |
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?string $alias = null |
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): Builder { |
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$alias = is_null($alias) ? 'reaction_total' : $alias; |
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$select = $query->getQuery()->columns ?? ["{$this->getTable()}.*"]; |
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$select[] = DB::raw("COALESCE({$alias}.count, 0) as {$alias}_count"); |
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$select[] = DB::raw("COALESCE({$alias}.weight, 0) as {$alias}_weight"); |
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return $query |
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->leftJoin((new ReactionTotal())->getTable() . ' as ' . $alias, "{$alias}.reactant_id", '=', "{$this->getTable()}.love_reactant_id") |
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->select($select); |
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} |
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} |
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cybercog /
laravel-love
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