初始化项目

2026-02-08 22:38:13 +08:00
commit 334d2c6312
201 changed files with 32724 additions and 0 deletions
--- a/app/Services/System/CityService.php
+++ b/app/Services/System/CityService.php
@@ -0,0 +1,198 @@
+<?php
+
+namespace App\Services\System;
+
+use App\Models\System\City;
+use Illuminate\Support\Facades\Cache;
+use Illuminate\Support\Facades\Validator;
+
+class CityService
+{
+    public function getList(array $params): array
+    {
+        $query = City::query();
+
+        if (!empty($params['parent_id'])) {
+            $query->where('parent_id', $params['parent_id']);
+        }
+
+        if (!empty($params['level'])) {
+            $query->where('level', $params['level']);
+        }
+
+        if (!empty($params['keyword'])) {
+            $query->where(function ($q) use ($params) {
+                $q->where('name', 'like', '%' . $params['keyword'] . '%')
+                    ->orWhere('code', 'like', '%' . $params['keyword'] . '%')
+                    ->orWhere('pinyin', 'like', '%' . $params['keyword'] . '%');
+            });
+        }
+
+        if (isset($params['status']) && $params['status'] !== '') {
+            $query->where('status', $params['status']);
+        }
+
+        $query->orderBy('sort')->orderBy('id');
+
+        $pageSize = $params['page_size'] ?? 20;
+        $list = $query->paginate($pageSize);
+
+        return [
+            'list' => $list->items(),
+            'total' => $list->total(),
+            'page' => $list->currentPage(),
+            'page_size' => $list->perPage(),
+        ];
+    }
+
+    public function getTree(): array
+    {
+        return $this->buildTree(City::where('status', true)->orderBy('sort')->get());
+    }
+
+    public function getChildren(int $parentId): array
+    {
+        return City::where('parent_id', $parentId)
+            ->where('status', true)
+            ->orderBy('sort')
+            ->get()
+            ->toArray();
+    }
+
+    public function getByCode(string $code): ?City
+    {
+        return City::where('code', $code)->first();
+    }
+
+    public function getById(int $id): ?City
+    {
+        return City::find($id);
+    }
+
+    public function getByPinyin(string $pinyin): array
+    {
+        return City::where('pinyin', 'like', '%' . $pinyin . '%')
+            ->where('status', true)
+            ->get()
+            ->toArray();
+    }
+
+    public function create(array $data): City
+    {
+        Validator::make($data, [
+            'name' => 'required|string|max:100',
+            'code' => 'required|string|max:50|unique:system_cities,code',
+            'level' => 'required|integer|in:1,2,3',
+            'parent_id' => 'sometimes|exists:system_cities,id',
+        ])->validate();
+
+        $city = City::create($data);
+        $this->clearCache();
+        return $city;
+    }
+
+    public function update(int $id, array $data): City
+    {
+        $city = City::findOrFail($id);
+
+        Validator::make($data, [
+            'name' => 'sometimes|required|string|max:100',
+            'code' => 'sometimes|required|string|max:50|unique:system_cities,code,' . $id,
+            'level' => 'sometimes|required|integer|in:1,2,3',
+            'parent_id' => 'sometimes|exists:system_cities,id',
+        ])->validate();
+
+        $city->update($data);
+        $this->clearCache();
+        return $city;
+    }
+
+    public function delete(int $id): bool
+    {
+        $city = City::findOrFail($id);
+
+        if ($city->children()->exists()) {
+            throw new \Exception('该城市下有子级数据，不能删除');
+        }
+
+        $city->delete();
+        $this->clearCache();
+        return true;
+    }
+
+    public function batchDelete(array $ids): bool
+    {
+        City::whereIn('id', $ids)->delete();
+        $this->clearCache();
+        return true;
+    }
+
+    public function batchUpdateStatus(array $ids, bool $status): bool
+    {
+        City::whereIn('id', $ids)->update(['status' => $status]);
+        $this->clearCache();
+        return true;
+    }
+
+    private function buildTree(array $cities, int $parentId = 0): array
+    {
+        $tree = [];
+        foreach ($cities as $city) {
+            if ($city['parent_id'] == $parentId) {
+                $children = $this->buildTree($cities, $city['id']);
+                if (!empty($children)) {
+                    $city['children'] = $children;
+                }
+                $tree[] = $city;
+            }
+        }
+        return $tree;
+    }
+
+    private function clearCache(): void
+    {
+        Cache::forget('system:cities:tree');
+    }
+
+    public function getCachedTree(): array
+    {
+        $cacheKey = 'system:cities:tree';
+        $tree = Cache::get($cacheKey);
+
+        if ($tree === null) {
+            $tree = $this->getTree();
+            Cache::put($cacheKey, $tree, 3600);
+        }
+
+        return $tree;
+    }
+
+    public function getProvinces(): array
+    {
+        return City::where('level', 1)
+            ->where('status', true)
+            ->orderBy('sort')
+            ->get()
+            ->toArray();
+    }
+
+    public function getCities(int $provinceId): array
+    {
+        return City::where('parent_id', $provinceId)
+            ->where('level', 2)
+            ->where('status', true)
+            ->orderBy('sort')
+            ->get()
+            ->toArray();
+    }
+
+    public function getDistricts(int $cityId): array
+    {
+        return City::where('parent_id', $cityId)
+            ->where('level', 3)
+            ->where('status', true)
+            ->orderBy('sort')
+            ->get()
+            ->toArray();
+    }
+}