|null */ protected static ?array $cachedItems = null; /** * 根据关键词与标题/摘要匹配资讯分类字典项；无匹配时默认「行业动态」。 * * @param list $keywords */ public function resolveCategoryId(string $title, ?string $summary, array $keywords): ?int { $haystack = $title.($summary ?? ''); foreach ($this->categoryItems() as $item) { foreach ($keywords as $keyword) { if ($keyword === '') { continue; } if (Str::contains($item['label'], $keyword) || Str::contains($keyword, $item['label']) || Str::contains($haystack, $item['label'])) { return $item['id']; } } if (Str::contains($haystack, $item['label'])) { return $item['id']; } } return $this->defaultCategoryId(); } public function labelForId(?int $id): ?string { if (! $id) { return null; } foreach ($this->categoryItems() as $item) { if ($item['id'] === $id) { return $item['label']; } } return null; } protected function defaultCategoryId(): ?int { foreach ($this->categoryItems() as $item) { if ($item['value'] === 'industry') { return $item['id']; } } return $this->categoryItems()[0]['id'] ?? null; } /** * @return list */ protected function categoryItems(): array { if (self::$cachedItems !== null) { return self::$cachedItems; } $typeId = DictType::query()->where('code', 'news_category')->where('status', 1)->value('id'); if (! $typeId) { self::$cachedItems = []; return self::$cachedItems; } self::$cachedItems = DictItem::query() ->where('dict_type_id', $typeId) ->where('status', 1) ->orderBy('sort') ->get(['id', 'label', 'value']) ->map(fn (DictItem $item) => [ 'id' => (int) $item->id, 'label' => (string) $item->label, 'value' => (string) $item->value, ]) ->all(); return self::$cachedItems; } }