67 lines
2.2 KiB
PHP
67 lines
2.2 KiB
PHP
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<?php
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namespace App\Services;
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use App\Actions\Prompts\ListPrompts;
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use App\Models\Prompt;
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use App\Models\Tag;
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use Illuminate\Contracts\Pagination\LengthAwarePaginator;
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use Illuminate\Database\Eloquent\Builder;
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use Illuminate\Database\Eloquent\Collection;
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/**
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* Read side of the prompt domain (queries).
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*/
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class PromptCatalog
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{
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public const PER_PAGE = 10;
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/**
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* Paginated prompt list with search, tag/favorite filters, and
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* whitelisted sorting. `last_used_at` keeps NULLs last.
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*/
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public function list(ListPrompts $query): LengthAwarePaginator
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{
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$sort = $query->normalizedSort();
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$direction = $query->normalizedDirection();
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$like = '%' . $query->search . '%';
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return Prompt::query()
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->with('tags')
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->when(
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$query->search !== null && $query->search !== '',
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fn (Builder $q) => $q->where(
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fn (Builder $w) => $w
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->where('name', 'like', $like)
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->orWhere('description', 'like', $like)
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->orWhere('body', 'like', $like)
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),
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)
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->when(
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$query->tag !== null && $query->tag !== '',
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fn (Builder $q) => $q->whereHas('tags', fn (Builder $t) => $t->where('name', $query->tag)),
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)
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->when($query->favoritesOnly, fn (Builder $q) => $q->where('is_favorite', true))
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->when(
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$sort === 'last_used_at',
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// NULLs always sort last: `IS NULL` is 0/1, so a first
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// ascending pass groups non-NULLs before NULLs in either
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// direction, then the value itself orders within the group.
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fn (Builder $q) => $q
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->orderByRaw('last_used_at IS NULL')
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->orderBy('last_used_at', $direction),
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fn (Builder $q) => $q->orderBy($sort, $direction),
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)
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->orderBy('id', 'desc')
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->paginate(self::PER_PAGE);
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}
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/**
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* All tags, alphabetically (for filter dropdowns).
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*/
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public function tags(): Collection
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{
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return Tag::query()->orderBy('name')->get();
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}
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}
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