yunzer_under/app/admin/controller/ArticlesController.php

<?php
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 */

/**
 * 后台管理系统-文章管理
 */
namespace app\admin\controller;
use app\admin\model\Article\Articles;
use app\admin\model\Article\ArticlesCategory;
use think\facade\Db;
use think\facade\View;
use think\facade\Request;
use app\admin\controller\LogController as Log;
use app\admin\controller\BaseController;

class ArticlesController extends BaseController
{
    /**
     * 获取控制器名称
     * @return string
     */
    public function getControllerName()
    {
        return 'Article';
    }

    // 文章列表
    public function articlelist()
    {
        if (Request::isPost()) {
            $category = input('post.category');
            $page = intval(input('post.page', 1));
            $limit = intval(input('post.limit', 10));
            $title = input('post.title');
            $author = input('post.author');
            
            $query = Articles::where('delete_time', null)
                ->where('status', '<>', 3);
            
            // 分类筛选
            if (!empty($category)) {
                // 先获取分类ID
                $cateInfo = ArticlesCategory::where('name', $category)   
                    ->where('delete_time', null)
                    ->where('status', 1)
                    ->find();
                
                if ($cateInfo) {
                    $query = $query->where('cate', $cateInfo['id']);
                }
            }

            // 标题搜索
            if (!empty($title)) {
                $query = $query->where('title', 'like', '%'.$title.'%');
            }

            // 作者搜索
            if (!empty($author)) {
                $query = $query->where('author', 'like', '%'.$author.'%');
            }
            
            // 获取总记录数
            $count = $query->count();
            
            // 获取分页数据
            $lists = $query->order('id DESC')
                ->page($page, $limit)
                ->select()
                ->each(function ($item) {
                    // 获取分类信息
                    $cateInfo = ArticlesCategory::where('id', $item['cate'])
                        ->field('name, image')
                        ->find();

                    // 设置分类名称
                    $item['cate'] = $cateInfo ? $cateInfo['name'] : '';

                    // 如果文章没有图片，使用分类的图片
                    if (empty($item['image']) && $cateInfo && !empty($cateInfo['image'])) {
                        $item['image'] = $cateInfo['image'];
                    }

                    // 格式化时间
                    $item['create_time'] = is_numeric($item['create_time']) ? date('Y-m-d H:i:s', $item['create_time']) : $item['create_time'];
                    $item['publishdate'] = is_numeric($item['publishdate']) ? date('Y-m-d H:i:s', $item['publishdate']) : '';

                    return $item;
                });

            return json([
                'code' => 0, 
                'msg' => '获取成功', 
                'count' => $count,
                'data' => $lists
            ]);
        } else {
            // 获取所有分类并构建父子结构
            $allCategories = ArticlesCategory::where('delete_time', null)
                ->where('status', 1)
                ->order('sort asc, id asc')
                ->select()
                ->toArray();

            $categories = [];
            foreach ($allCategories as $category) {
                if ($category['cid'] == 0) {
                    $category['children'] = [];
                    foreach ($allCategories as $subCategory) {
                        if ($subCategory['cid'] == $category['id']) {
                            $category['children'][] = $subCategory;
                        }
                    }
                    $categories[] = $category;
                }
            }

            View::assign([
                'categories' => $categories
            ]);
            return View::fetch();
        }
    }

    // 添加文章
    public function add()
    {
        if (Request::isPost()) {
            $data = [
                'title' => input('post.title'),
                'cate' => input('post.cate'),
                'image' => input('post.image'),
                'content' => input('post.content'),
                'author' => input('post.author'),
                'desc' => input('post.desc'),
                'status' => input('post.status', 2),
                'publishdate' => time(),
                'create_time' => time()
            ];

            $insert = Articles::insert($data);
            if (empty($insert)) {
                Log::record('添加文章', 0, '添加文章失败', '文章管理');
                return json(['code' => 1, 'msg' => '添加失败', 'data' => []]);
            }
            Log::record('添加文章', 1, '', '文章管理');
            return json(['code' => 0, 'msg' => '添加成功', 'data' => []]);
        } else {
            $lists = Articles::order('id DESC')
                ->select()
                ->each(function ($item, $key) {
                    $item['create_time'] = time();
                    return $item;
                });
            View::assign([
                'lists' => $lists
            ]);
            return View::fetch();
        }
    }

    // 编辑文章
    public function edit()
    {
        if (Request::isPost()) {
            $id = input('get.id');
            $data = [
                'title' => input('post.title'),
                'cate' => input('post.cate'),
                'image' => input('post.image'),
                'content' => input('post.content'),
                'author' => input('post.author'),
                'desc' => input('post.desc'),
                'status' => input('post.status', 2),
                'update_time' => time()
            ];

            $update = Articles::where('id', $id)->update($data);
            if ($update === false) {
                Log::record('编辑文章', 0, '编辑文章失败', '文章管理');
                return json(['code' => 1, 'msg' => '更新失败', 'data' => []]);
            }
            Log::record('编辑文章', 1, '', '文章管理');
            return json(['code' => 0, 'msg' => '更新成功', 'data' => []]);
        } else {
            $id = input('get.id');
            $info = Articles::where('id', $id)->find();
            if ($info === null) {
                return json(['code' => 1, 'msg' => '文章不存在', 'data' => []]);
            }

            $cates = ArticlesCategory::where('delete_time', null)
                ->where('status', 1)
                ->order('sort asc, id asc')
                ->select()
                ->toArray();

            $info['content'] = !empty($info['content']) ? htmlspecialchars_decode(str_replace(["\r\n", "\r", "\n"], '', addslashes($info['content']))) : '';

            $currentCate = ArticlesCategory::where('id', $info['cate'])
                ->where('delete_time', null)
                ->where('status', 1)
                ->find();
            $info['cate_name'] = $currentCate ? $currentCate['name'] : '';

            View::assign([
                'info' => $info,
                'cates' => $cates
            ]);
            return View::fetch();
        }
    }

    // 删除文章
    public function delete()
    {
        $id = input('post.id');
        $data = [
            'delete_time' => time(),
        ];
        $delete = Articles::where('id', $id)->update($data);
        if ($delete === false) {
            Log::record('删除文章', 0, '删除文章失败', '文章管理');
            return json(['code' => 1, 'msg' => '删除失败', 'data' => []]);
        }
        Log::record('删除文章', 1, '', '文章管理');
        return json(['code' => 0, 'msg' => '删除成功', 'data' => []]);
    }

    // 文章分类
    public function articlecate()
    {
        if (Request::isPost()) {
            $lists = ArticlesCategory::where('delete_time', null)
                ->where('status', 1)
                ->order('sort asc, id asc')
                ->select()
                ->toArray();

            // 构建树形结构
            $tree = [];
            foreach ($lists as $item) {
                if ($item['cid'] == 0) {
                    $node = [
                        'id' => $item['id'],
                        'title' => $item['name'],
                        'children' => []
                    ];
                    
                    // 查找子分类
                    foreach ($lists as $subItem) {
                        if ($subItem['cid'] == $item['id']) {
                            $node['children'][] = [
                                'id' => $subItem['id'],
                                'title' => $subItem['name'],
                                'children' => []
                            ];
                        }
                    }
                    
                    $tree[] = $node;
                }
            }

            return json(['code' => 0, 'msg' => '获取成功', 'data' => $tree]);
        }
        
        // 非 POST 请求返回视图
        return View::fetch();
    }

    //获取分类结构
    public function getcate()
    {
        // 获取所有分类
        $lists = ArticlesCategory::where('delete_time', null)
            ->where('status', 1)
            ->order('sort asc, id asc')
            ->select()
            ->toArray();

        // 构建父子结构
        $tree = [];
        foreach ($lists as $item) {
            if ($item['cid'] == 0) {
                // 顶级分类
                $tree[] = $item;
            } else {
                // 子分类
                foreach ($tree as &$parent) {
                    if ($parent['id'] == $item['cid']) {
                        if (!isset($parent['children'])) {
                            $parent['children'] = [];
                        }
                        $parent['children'][] = $item;
                        break;
                    }
                }
            }
        }

        return json(['code' => 0, 'msg' => '获取成功', 'data' => $tree]);
    }

    // 添加文章分类
    public function cateadd()
    {
        if (Request::isPost()) {
            $data = [
                'name' => input('post.name'),
                'image' => input('post.image'),
                'cid' => input('post.cid'),
                'sort' => input('post.sort', 0),
                'status' => input('post.status', 1),
                'create_time' => time()
            ];

            $insert = ArticlesCategory::insert($data);
            if (empty($insert)) {
                Log::record('添加文章分类', 0, '添加文章分类失败', '文章分类');
                return json(['code' => 1, 'msg' => '添加失败', 'data' => []]);
            }
            Log::record('添加文章分类', 1, '', '文章分类');
            return json(['code' => 0, 'msg' => '添加成功', 'data' => []]);
        } else {
            // 获取所有可选的父级分类
            $parentCategories = ArticlesCategory::where('delete_time', null)
                ->where('status', 1)
                ->where('cid', 0)
                ->field('id, name')
                ->select()
                ->toArray();

            return json([
                'code' => 0,
                'msg' => '获取成功',
                'data' => [
                    'parentOptions' => $parentCategories
                ]
            ]);
        }
    }

    //编辑文章分类
    public function cateedit()
    {
        if (Request::isPost()) {
            $data = [
                'id' => input('post.id'),
                'name' => input('post.name'),
                'image' => input('post.image'),
                'cid' => input('post.cid'),
                'sort' => input('post.sort', 0),
                'status' => input('post.status', 1),
                'update_time' => time()
            ];

            $update = ArticlesCategory::where('id', $data['id'])
                ->update($data);

            if ($update === false) {
                Log::record('编辑文章分类', 0, '更新文章分类失败', '文章分类');
                return json(['code' => 1, 'msg' => '更新失败', 'data' => []]);
            }
            Log::record('编辑文章分类', 1, '', '文章分类');
            return json(['code' => 0, 'msg' => '更新成功', 'data' => []]);
        } else {
            $id = input('get.id');
            $info = ArticlesCategory::where('id', $id)->find();
            
            // 获取所有可选的父级分类
            $parentCategories = ArticlesCategory::where('delete_time', null)
                ->where('status', 1)
                ->where('id', '<>', $id) // 排除自己
                ->where(function ($query) use ($id) {
                    // 排除自己的所有子分类
                    $query->where('cid', '<>', $id);
                })
                ->field('id, name, cid')
                ->select()
                ->toArray();

            // 构建父级分类选项
            $parentOptions = [];
            foreach ($parentCategories as $category) {
                if ($category['cid'] == 0) {
                    $parentOptions[] = [
                        'id' => $category['id'],
                        'name' => $category['name']
                    ];
                }
            }

            return json([
                'code' => 0,
                'msg' => '获取成功',
                'data' => [
                    'info' => $info,
                    'parentOptions' => $parentOptions
                ]
            ]);
        }
    }

    //删除文章分类
    public function catedel()
    {
        $id = input('post.id');

        // 检查是否有子分类
        $hasChildren = ArticlesCategory::where('cid', $id)
            ->where('delete_time', null)
            ->find();

        if ($hasChildren) {
            Log::record('删除文章分类', 0, '该分类下有子分类，无法删除', '文章分类');
            return json(['code' => 1, 'msg' => '该分类下有子分类，无法删除', 'data' => []]);
        }

        $delete = ArticlesCategory::where('id', $id)
            ->update(['delete_time' => time()]);

        if ($delete === false) {
            Log::record('删除文章分类', 0, '删除文章分类失败', '文章分类');
            return json(['code' => 1, 'msg' => '删除失败', 'data' => []]);
        }
        Log::record('删除文章分类', 1, '', '文章分类');
        return json(['code' => 0, 'msg' => '删除成功', 'data' => []]);
    }

    //统计文章数量
    public function counts()  {
        try {
            // 获取文章总数
            $total = Articles::where('delete_time', null)
                ->where('status', '<>', 3)
                ->count();
                
            // 获取今日新增文章数
            $today = strtotime(date('Y-m-d'));
            $todayNew = Articles::where('delete_time', null)
                ->where('status', '<>', 3)
                ->where('create_time', '>=', $today)
                ->count();
                
            // 获取最近7天的文章数据
            $dates = [];
            $counts = [];
            $totalCounts = []; // 存储每天的总文章数
            $totalSoFar = 0; // 用于累计总文章数
            
            for ($i = 6; $i >= 0; $i--) {
                $date = date('Y-m-d', strtotime("-$i days"));
                $start = strtotime($date);
                $end = $start + 86400;
                
                // 获取当天新增文章数
                $count = Articles::where('delete_time', null)
                    ->where('status', '<>', 3)
                    ->where('create_time', '>=', $start)
                    ->where('create_time', '<', $end)
                    ->count();
                    
                // 获取截至当天的总文章数
                $totalCount = Articles::where('delete_time', null)
                    ->where('status', '<>', 3)
                    ->where('create_time', '<', $end)
                    ->count();
                    
                $dates[] = $date;
                $counts[] = $count;
                $totalCounts[] = $totalCount;
            }
            
            return json([
                'code' => 0,
                'msg' => '获取成功',
                'data' => [
                    'total' => $total,
                    'todayNew' => $todayNew,
                    'dates' => $dates,
                    'counts' => $counts,
                    'totalCounts' => $totalCounts
                ]
            ]);
        } catch (\Exception $e) {
            return json([
                'code' => 1,
                'msg' => '获取失败：' . $e->getMessage()
            ]);
        }
    }
}