mier-php/application/admin/model/Relation.php

<?php


namespace app\admin\model;


use think\Db;

class Relation extends AdminComModel
{
    //获取数据
    public function get_list($page = 1, $page_limit = 15)
    {
        $list = Db::name('relation')->where('is_delete', 1 )
            ->order('id', 'desc')
            ->page($page, $page_limit)->select();
        $count = Db::name('relation')->count();

        $data = [];
        $data['code'] = 0;
        $data['msg'] = '获取数据成功';
        $data['data'] = $list;
        $data['count'] = $count;
        return json($data);
    }
    //添加
    public function add($name, $color, $day)
    {
        if (empty($name) || empty($color) || empty($day)) {
            return ['code' => 201, 'msg' => '参数错误', 'data' => null];
        }
        $type = input('type', 0);
        if(empty($type)) {
            return ['code' => 201, 'msg' => '请选择类型', 'data' => null];
        }
        $info = Db::name('relation')
            ->where('name', $name)
            ->where('is_delete', 1)
            ->where('type', $type)
            ->find();
        if ($info) {
            return ['code' => 201, 'msg' => '话题已存在', 'data' => null];
        }
        $data = $this->append_add_update_time([
            'name' => $name,
            'color' => $color,
            'day' => $day,
            'type' => $type,
        ]);
        try {
            Db::name('relation')->insert($data);
            return ['code' => 200, 'msg' => '添加成功', 'data' => null];
        } catch (\Exception $e) {
            return ['code' => 201, 'msg' => '添加失败', 'data' => null];
        }

    }
    //获取信息
    public function get_info($id)
    {
        $info = Db::name('relation')->find($id);
        if (empty($info)) {
            return ['code' => 201, 'msg' => '数据不存在', 'data' => null];
        }
        return ['code' => 200, 'msg' => '获取数据成功', 'data' => $info];
    }
    //编辑
    public function edit($id, $name, $color, $day)
    {
        if (empty($id)) {
            return ['code' => 201, 'msg' => '参数ID错误', 'data' => null];
        }
        if (empty($name) || empty($color) || empty($day)) {
            return ['code' => 201, 'msg' => '参数错误', 'data' => null];
        }
        $type = input('type', 0);
        if(empty($type)) {
            return ['code' => 201, 'msg' => '请选择类型', 'data' => null];
        }
        $info = Db::name('relation')
            ->where('name', $name)
            ->where('is_delete', 1)
            ->where('id', 'neq', $id)
            ->where('type', $type)
            ->find();
        if ($info) {
            return ['code' => 201, 'msg' => '话题已存在', 'data' => null];
        }
        $result = Db::name('relation')->where('id', $id)
            ->update([
                'name' => $name,
                'color' => $color,
                'day' => $day,
                'update_time' => time(),
                'type' => $type,

            ]);
        if ($result) {
            return ['code' => 200, 'msg' => '修改成功', 'data' => null];
        } else {
            return ['code' => 201, 'msg' => '修改失败', 'data' => null];
        }
    }
    //删除
    public function del($id)
    {
        $info = Db::name('relation')->find( $id);
        if (empty($info)) {
            return ['code' => 201, 'msg' => '数据不存在', 'data' => null];
        }
        $result = Db::name('relation')->where('id', $id)
            ->update(['is_delete' => 2, 'update_time' => time()]);
        if ($result) {
            return ['code' => 200, 'msg' => '删除成功', 'data' => null];
        }
        return ['code' => 201, 'msg' => '删除失败', 'data' => null];
    }
}