From 2cbfd005116c28e03b9c8d62acd2022955c7f60f Mon Sep 17 00:00:00 2001
From: eddy8 <cumtsjh@163.com>
Date: Mon, 20 Jan 2020 15:15:54 +0800
Subject: [PATCH] add: copy entity

---
 .../Controllers/Admin/EntityController.php    | 33 ++++++++++++++++++
 app/Repository/Admin/EntityRepository.php     | 32 +++++++++++++++++
 resources/views/admin/entity/index.blade.php  | 34 ++++++++++++++++++-
 routes/admin.php                              |  3 ++
 4 files changed, 101 insertions(+), 1 deletion(-)

diff --git a/app/Http/Controllers/Admin/EntityController.php b/app/Http/Controllers/Admin/EntityController.php
index 37cbb70..1fb1a8d 100644
--- a/app/Http/Controllers/Admin/EntityController.php
+++ b/app/Http/Controllers/Admin/EntityController.php
@@ -167,4 +167,37 @@ class EntityController extends Controller
             'reload' => true
         ];
     }
+
+    /**
+     * 模型管理-复制模型
+     *
+     * @param Request $request
+     * @param integer $id
+     * @return array
+     */
+    public function copy(Request $request, $id)
+    {
+        $this->validate($request, [
+            'table_name' => ['required', 'max:64', 'regex:/^[0-9a-zA-Z$_]+$/'],
+        ], [
+            'table_name.required' => '表名称不能为空',
+            'table_name.max' => '表名称长度不能超过64',
+            'table_name.regex' => '表名称格式有误',
+        ]);
+
+        try {
+            $tableName = $request->post('table_name');
+            EntityRepository::copy($tableName, $id);
+            return [
+                'code' => 0,
+                'msg' => '复制成功',
+                'reload' => true
+            ];
+        } catch (\RuntimeException $e) {
+            return [
+                'code' => 5,
+                'msg' => $e->getMessage(),
+            ];
+        }
+    }
 }
diff --git a/app/Repository/Admin/EntityRepository.php b/app/Repository/Admin/EntityRepository.php
index 4fef9b0..2d88701 100644
--- a/app/Repository/Admin/EntityRepository.php
+++ b/app/Repository/Admin/EntityRepository.php
@@ -33,6 +33,7 @@ class EntityRepository
             xssFilter($item);
             $item->editUrl = route('admin::entity.edit', ['id' => $item->id]);
             $item->deleteUrl = route('admin::entity.delete', ['id' => $item->id]);
+            $item->copyUrl = route('admin::entity.copy', ['id' => $item->id]);
             $item->fieldUrl = route('admin::entityField.index') . '?entity_id=' . $item->id;
             $item->contentUrl = route('admin::content.index', ['entity' => $item->id]);
             $item->commentListUrl = route('admin::comment.index', ['entity_id' => $item->id]);
@@ -80,6 +81,37 @@ class EntityRepository
         }
     }
 
+    public static function copy($tableName, $id)
+    {
+        $entity = Entity::findOrFail($id);
+        if (Schema::hasTable($tableName)) {
+            throw new \RuntimeException("数据库表已存在");
+        }
+
+        try {
+            // 仅在 Mysql 下测试通过，不支持 Sqlite
+            DB::statement("CREATE TABLE {$tableName} LIKE {$entity->table_name}");
+
+            DB::beginTransaction();
+
+            $newEntity = $entity->replicate();
+            $newEntity->table_name = $tableName;
+            $newEntity->name .= '_copy';
+            $newEntity->save();
+
+            EntityField::where('entity_id', $id)->get()->each(function ($item) use ($newEntity) {
+                $m = $item->replicate();
+                $m->entity_id = $newEntity->id;
+                $m->save();
+            });
+
+            DB::commit();
+        } catch (\Exception $e) {
+            Schema::dropIfExists($tableName);
+            throw $e;
+        }
+    }
+
     public static function update($id, $data)
     {
         return Entity::query()->where('id', $id)->update($data);
diff --git a/resources/views/admin/entity/index.blade.php b/resources/views/admin/entity/index.blade.php
index a7e3b64..f92916f 100644
--- a/resources/views/admin/entity/index.blade.php
+++ b/resources/views/admin/entity/index.blade.php
@@ -21,8 +21,9 @@
 @endsection
 <script type="text/html" id="action">
     <a href="<% d.editUrl %>" class="layui-table-link" title="编辑"><i class="layui-icon layui-icon-edit"></i></a>
-    <%#  if(d.enable_comment == {{ App\Model\Admin\Entity::COMMENT_ENABLE }}){ %> <a href="<% d.commentListUrl %>" class="layui-table-link" title="评论列表" style="margin-left: 5px"><i class="layui-icon layui-icon-reply-fill"></i></a> <%#  } %>
     <a href="javascript:;" class="layui-table-link" title="删除" style="margin-left: 10px" onclick="deleteEntity('<% d.deleteUrl %>')"><i class="layui-icon layui-icon-delete"></i></a>
+    <a href="javascript:;" class="layui-table-link" title="复制" style="margin-left: 10px" onclick="copyEntity('<% d.copyUrl %>')"><i class="layui-icon layui-icon-file"></i></a>
+    <%#  if(d.enable_comment == {{ App\Model\Admin\Entity::COMMENT_ENABLE }}){ %> <a href="<% d.commentListUrl %>" class="layui-table-link" title="评论列表" style="margin-left: 5px"><i class="layui-icon layui-icon-reply-fill"></i></a> <%#  } %>
     <a href="<% d.fieldUrl %>" class="layui-table-link" title="字段管理" style="margin-left: 5px">字段管理</a>
     <a href="<% d.contentUrl %>" class="layui-table-link" title="字段管理" style="margin-left: 5px">内容管理</a>
 </script>
@@ -71,5 +72,36 @@
                 layer.close(index);
             });
         }
+
+        function copyEntity (url) {
+            layer.confirm('复制模型将新建一个和当前模型一样的模型（数据库表结构、表单定义等信息一致），确定要复制？', function(index){
+                layer.prompt({
+                    formType: 0,
+                    title: '请输入新模型的数据库表名称',
+                }, function(value, index, elem){
+                    $.ajax({
+                        url: url,
+                        data: {'table_name': value},
+                        success: function (result) {
+                            if (result.code !== 0) {
+                                layer.msg(result.msg, {shift: 6});
+                                return false;
+                            }
+                            layer.msg(result.msg, {icon: 1}, function () {
+                                if (result.reload) {
+                                    location.reload();
+                                }
+                                if (result.redirect) {
+                                    location.href = '{!! url()->previous() !!}';
+                                }
+                            });
+                        }
+                    });
+                    layer.close(index);
+                });
+
+                layer.close(index);
+            });
+        }
     </script>
 @endsection
diff --git a/routes/admin.php b/routes/admin.php
index dc1093d..ed46f05 100644
--- a/routes/admin.php
+++ b/routes/admin.php
@@ -81,6 +81,9 @@ Route::group(
             // 内容
             Route::post('/entity/{entity}/batch', 'ContentController@batch')->name('content.batch');
 
+            // 模型
+            Route::post('/entities/{id}/copy', 'EntityController@copy')->name('entity.copy');
+
             // 自动加载生成的其它路由
             foreach (new DirectoryIterator(base_path('routes/auto')) as $f) {
                 if ($f->isDot()) {
-- 
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