Initial commit

2025-05-14 13:19:23 +08:00
commit 1ab607f65a
313 changed files with 27595 additions and 0 deletions
@@ -0,0 +1,65 @@
+<?php
+
+namespace app\mzl\common\utils;
+
+class SearchHelper
+{
+    public static function parseFiltersAndRelations(array $params, array $mapping): array
+    {
+        $filters = [];
+        $relations = [];
+        $hasRelations = [];
+
+        // 解析过滤条件和关联字段
+        foreach ($mapping as $paramKey => $definition) {
+            $field = $definition['field'];
+            $operator = $definition['operator'];
+            $value = $params[$paramKey] ?? null;
+
+            if (self::isValidValue($value, $operator)) {
+                $filters[] = compact('field', 'operator', 'value');
+                if (str_contains($field, '.')) {
+                    $relations[] = self::extractRelationPath($field);
+                }
+            }
+        }
+
+        // 解析 whereHas 关联字段（如 profile.age）
+        foreach ($params as $key => $value) {
+            if (str_contains($key, '.')) {
+                $relation = explode('.', $key)[0];  // 获取关联名
+                $hasRelations[$relation] = function ($query) use ($key, $value) {
+                    $query->where($key, '=', $value);
+                };
+            }
+        }
+
+        return [
+            'filters' => $filters,
+            'relations' => array_unique($relations),
+            'hasRelations' => $hasRelations,
+        ];
+    }
+
+    private static function isValidValue(mixed $value, string $operator): bool
+    {
+        $operator = strtolower($operator);
+
+        if (in_array($operator, ['in', 'not_in', 'between'])) {
+            return is_array($value) && !empty($value);
+        }
+
+        if (in_array($operator, ['null', 'not_null'])) {
+            return true;
+        }
+
+        return $value !== '' && $value !== null;
+    }
+
+    private static function extractRelationPath(string $field): string
+    {
+        $parts = explode('.', $field);
+        array_pop($parts);
+        return implode('.', $parts);
+    }
+}