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app/Models/AdminUser.php

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+<?php
+namespace App\Models;
+
+use Core\Model;
+
+class AdminUser extends Model
+{
+    protected $table = 'admin_users';
+    protected $orderBy = 'id';
+
+    public function byUsername(string $u)
+    {
+        return $this->where('username', $u);
+    }
+}

app/Models/Banner.php

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+<?php
+namespace App\Models;
+
+use Core\Model;
+
+class Banner extends Model
+{
+    protected $table = 'banners';
+    protected $orderBy = 'sort_order';
+}

app/Models/CRM/Contact.php

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+<?php
+namespace App\Models\CRM;
+
+use Core\Model;
+
+class Contact extends Model
+{
+    protected $table = 'crm_contacts';
+    protected $orderBy = 'id';
+}

app/Models/CRM/Customer.php

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+<?php
+namespace App\Models\CRM;
+
+use Core\Model;
+
+class Customer extends Model
+{
+    protected $table = 'crm_customers';
+    protected $orderBy = 'id';
+}

app/Models/CRM/FollowUp.php

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+<?php
+namespace App\Models\CRM;
+
+use Core\Model;
+
+class FollowUp extends Model
+{
+    protected $table = 'crm_followups';
+    protected $orderBy = 'id';
+}

app/Models/CRM/Lead.php

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+<?php
+namespace App\Models\CRM;
+
+use Core\Model;
+
+class Lead extends Model
+{
+    protected $table = 'crm_leads';
+    protected $orderBy = 'id';
+}

app/Models/Category.php

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+<?php
+namespace App\Models;
+
+use Core\Model;
+
+class Category extends Model
+{
+    protected $table = 'categories';
+    protected $orderBy = 'sort_order';
+}

app/Models/CustomerCase.php

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+<?php
+namespace App\Models;
+
+use Core\Model;
+
+/**
+ * 客户案例模型（table = cases，避开 PHP 关键字 case）
+ * 与 News 同构：支持 status 展示开关、按 published_at 排序。
+ */
+class CustomerCase extends Model
+{
+    protected $table = 'cases';
+    protected $orderBy = 'published_at';
+
+    public function published(int $limit = 20): array
+    {
+        $all = array_filter($this->all(), fn($c) => ($c['status'] ?? 1) == 1);
+        return array_slice($all, 0, $limit);
+    }
+}

app/Models/News.php

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+<?php
+namespace App\Models;
+
+use Core\Model;
+
+class News extends Model
+{
+    protected $table = 'news';
+    protected $orderBy = 'published_at';
+
+    public function published(int $limit = 20): array
+    {
+        $all = array_filter($this->all(), fn($n) => ($n['status'] ?? 1) == 1);
+        return array_slice($all, 0, $limit);
+    }
+}

app/Models/Order.php

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+<?php
+namespace App\Models;
+
+use Core\Model;
+
+class Order extends Model
+{
+    protected $table = 'orders';
+    protected $orderBy = 'id';
+
+    /** 按订单号查询 */
+    public function byNo(string $no)
+    {
+        return $this->where('order_no', $no);
+    }
+
+    /** 某客户的订单列表（按手机号或邮箱匹配） */
+    public function byCustomer(string $phone): array
+    {
+        $out = [];
+        foreach ($this->all() as $r) {
+            if (($r['phone'] ?? '') === $phone || ($r['email'] ?? '') === $phone) $out[] = $r;
+        }
+        return $out;
+    }
+}

app/Models/PSI/Event.php

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+<?php
+namespace App\Models\PSI;
+
+use Core\Model;
+
+/**
+ * PSI 紧急事件 / 站内提醒（psi_events）
+ * 所有 PSI 相关人员可见；read_by 记录已读的管理员 uid。
+ */
+class Event extends Model
+{
+    protected $table = 'psi_events';
+}

app/Models/PSI/Material.php

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+<?php
+namespace App\Models\PSI;
+
+use Core\Model;
+
+class Material extends Model
+{
+    protected $table = 'psi_materials';
+    protected $orderBy = 'id';
+}

app/Models/PSI/Outbound.php

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+<?php
+namespace App\Models\PSI;
+
+use Core\Model;
+
+class Outbound extends Model
+{
+    protected $table = 'psi_outbounds';
+}

app/Models/PSI/OutboundItem.php

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+<?php
+namespace App\Models\PSI;
+
+use Core\Model;
+
+class OutboundItem extends Model
+{
+    protected $table = 'psi_outbound_items';
+}

app/Models/PSI/Product.php

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+<?php
+namespace App\Models\PSI;
+
+use Core\Model;
+
+class Product extends Model
+{
+    protected $table = 'psi_products';
+    protected $orderBy = 'id';
+}

app/Models/PSI/Purchase.php

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+<?php
+namespace App\Models\PSI;
+
+use Core\Model;
+
+class Purchase extends Model
+{
+    protected $table = 'psi_purchases';
+    protected $orderBy = 'id';
+}

app/Models/PSI/PurchaseOrder.php

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+<?php
+namespace App\Models\PSI;
+
+use Core\Model;
+
+class PurchaseOrder extends Model
+{
+    protected $table = 'psi_purchase_orders';
+}

app/Models/PSI/PurchaseOrderItem.php

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+<?php
+namespace App\Models\PSI;
+
+use Core\Model;
+
+class PurchaseOrderItem extends Model
+{
+    protected $table = 'psi_purchase_order_items';
+}

app/Models/PSI/Sales.php

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+<?php
+namespace App\Models\PSI;
+
+use Core\Model;
+
+class Sales extends Model
+{
+    protected $table = 'psi_sales';
+    protected $orderBy = 'id';
+}

app/Models/PSI/SalesOrder.php

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+<?php
+namespace App\Models\PSI;
+
+use Core\Model;
+
+class SalesOrder extends Model
+{
+    protected $table = 'psi_sales_orders';
+}

app/Models/PSI/SalesOrderItem.php

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+<?php
+namespace App\Models\PSI;
+
+use Core\Model;
+
+class SalesOrderItem extends Model
+{
+    protected $table = 'psi_sales_order_items';
+}

app/Models/PSI/StockMove.php

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+<?php
+namespace App\Models\PSI;
+
+use Core\Model;
+
+class StockMove extends Model
+{
+    protected $table = 'psi_stock_moves';
+    protected $orderBy = 'id';
+}

app/Models/PSI/Supplier.php

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+<?php
+namespace App\Models\PSI;
+
+use Core\Model;
+
+class Supplier extends Model
+{
+    protected $table = 'psi_suppliers';
+    protected $orderBy = 'id';
+}

app/Models/Page.php

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+<?php
+namespace App\Models;
+
+use Core\Model;
+
+class Page extends Model
+{
+    protected $table = 'pages';
+    protected $orderBy = 'id';
+
+    public function bySlug(string $slug)
+    {
+        return $this->where('slug', $slug);
+    }
+}

app/Models/PageSeo.php

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+<?php
+namespace App\Models;
+
+use Core\Db;
+use Core\Model;
+
+/**
+ * 逐页 SEO 设置模型
+ * 表 page_seo 以 page_key（home/products/product_category/news/cases/about/contact）为主键，
+ * 后台可逐页维护 标题/描述/关键词/Open Graph/规范链接/收录开关。
+ */
+class PageSeo extends Model
+{
+    protected $table = 'page_seo';
+    protected $primaryKey = 'id';
+
+    /** 按 page_key 取单条 */
+    public function getByKey(string $key): ?array
+    {
+        $row = Db::query("SELECT * FROM {$this->table} WHERE page_key = ?", [$key])->fetch();
+        return $row ?: null;
+    }
+
+    /** 全部以 page_key 为索引返回 */
+    public function allIndexed(): array
+    {
+        $rows = Db::query("SELECT * FROM {$this->table} ORDER BY sort ASC, id ASC")->fetchAll();
+        $out = [];
+        foreach ($rows as $r) {
+            $out[$r['page_key']] = $r;
+        }
+        return $out;
+    }
+
+    /** 存在则更新，不存在则插入 */
+    public function saveRow(string $key, array $data): void
+    {
+        $exists = Db::query("SELECT 1 FROM {$this->table} WHERE page_key = ?", [$key])->fetch();
+        if ($exists) {
+            $sets = [];
+            $params = [];
+            foreach ($data as $k => $v) {
+                $sets[] = "`{$k}` = ?";
+                $params[] = $v;
+            }
+            $params[] = $key;
+            Db::query("UPDATE {$this->table} SET " . implode(', ', $sets) . " WHERE page_key = ?", $params);
+        } else {
+            $cols = array_keys($data);
+            $ph = array_fill(0, count($cols), '?');
+            Db::query(
+                "INSERT INTO {$this->table} (`page_key`, `" . implode('`,`', $cols) . "`) VALUES (?, " . implode(',', $ph) . ")",
+                array_merge([$key], array_values($data))
+            );
+        }
+    }
+}

app/Models/Payment.php

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+<?php
+namespace App\Models;
+
+use Core\Model;
+
+class Payment extends Model
+{
+    protected $table = 'payments';
+    protected $orderBy = 'id';
+}

app/Models/Product.php

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+<?php
+namespace App\Models;
+
+use Core\Model;
+
+class Product extends Model
+{
+    protected $table = 'products';
+    protected $orderBy = 'sort_order';
+
+    public function byCategory(int $catId): array
+    {
+        return $this->whereAll('category_id', $catId);
+    }
+    public function featured(int $limit = 6): array
+    {
+        return array_slice(array_filter($this->all(), fn($p) => ($p['status'] ?? 1) == 1), 0, $limit);
+    }
+    public function specsArray($p): array
+    {
+        $s = $p['specs'] ?? '';
+        if (is_array($s)) return $s;
+        $dec = json_decode((string)$s, true);
+        return is_array($dec) ? $dec : [];
+    }
+    public function galleryArray($p): array
+    {
+        $g = $p['gallery'] ?? '';
+        if (is_array($g)) return $g;
+        $dec = json_decode((string)$g, true);
+        return is_array($dec) ? $g : [];
+    }
+}

app/Models/Setting.php

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+<?php
+namespace App\Models;
+
+use Core\Model;
+
+class Setting extends Model
+{
+    protected $table = 'settings';
+    protected $orderBy = 'id';
+
+    /** 读取单个设置 */
+    public function get(string $key, $default = '')
+    {
+        $row = $this->where('skey', $key);
+        return $row ? $row['sval'] : $default;
+    }
+
+    /** 批量读取为 [skey => sval] */
+    public function allKV(): array
+    {
+        $out = [];
+        foreach ($this->all() as $r) $out[$r['skey']] = $r['sval'];
+        return $out;
+    }
+
+    /** 设置（不存在则新增） */
+    public function set(string $key, $val, string $group = 'site'): void
+    {
+        $row = $this->where('skey', $key);
+        if ($row) {
+            $this->update($row['id'], ['sval' => $val, 'sgroup' => $group]);
+        } else {
+            $this->insert(['skey' => $key, 'sval' => $val, 'sgroup' => $group]);
+        }
+    }
+
+    /** 批量保存 */
+    public function saveMany(array $pairs, string $group = 'site'): void
+    {
+        foreach ($pairs as $k => $v) $this->set($k, $v, $group);
+    }
+}