活跃的用户

app/Console/Commands/CalculateActiveUser.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace App\Console\Commands;
+
+use App\Models\User;
+use Illuminate\Console\Command;
+
+class CalculateActiveUser extends Command
+{
+    /**
+     * The name and signature of the console command.
+     *
+     * @var string
+     */
+    protected $signature = 'larabbs:calculate-active-user';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = '生成活跃用户';
+
+    /**
+     * Create a new command instance.
+     *
+     * @return void
+     */
+    public function __construct()
+    {
+        parent::__construct();
+    }
+
+    /**
+     * Execute the console command.
+     * @param User $user
+     */
+    public function handle(User $user)
+    {
+        $this->info('开始计算!');
+        $user->calculateAndCacheActiveUsers();
+        $this->info('生成成功！');
+    }
+}

app/Console/Kernel.php

@@ -26,6 +26,7 @@ class Kernel extends ConsoleKernel
     {
         // $schedule->command('inspire')
         //          ->hourly();
+        $schedule->command('larabbs:calculate-active-user')->hourly();
     }
 
     /**

app/Http/Controllers/CategoriesController.php

@@ -4,13 +4,15 @@ namespace App\Http\Controllers;
 
 use App\Models\Category;
 use App\Models\Topic;
+use App\Models\User;
 use Illuminate\Http\Request;
 
 class CategoriesController extends Controller
 {
-    public function show(Category $category, Request $request)
+    public function show(Category $category, Request $request, User $user)
     {
         $topics = Topic::where('category_id', $category->id)->withOrder($request->order)->with('user', 'category')->paginate();
-        return view('topics.index', compact('topics', 'category'));
+        $active_users = $user->getActiveUsers();
+        return view('topics.index', compact('topics', 'category', 'active_users'));
     }
 }

app/Http/Controllers/TopicsController.php

@@ -5,6 +5,7 @@ namespace App\Http\Controllers;
 use App\Http\Requests\TopicRequest;
 use App\Models\Category;
 use App\Models\Topic;
+use App\Models\User;
 use App\Tools\ImageUploadTool;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Auth;
@@ -22,10 +23,11 @@ class TopicsController extends Controller
         return view('topics.create_and_edit', compact('topic', 'categories'));
     }
 
-    public function index(Request $request, Topic $topic)
+    public function index(Request $request, Topic $topic, User $user)
     {
+        $active_users = $user->getActiveUsers();
         $topics = $topic->with('user', 'category')->withOrder($request->order)->paginate();
-        return view('topics.index', compact('topics'));
+        return view('topics.index', compact('topics', 'active_users'));
     }
 
     public function show(Topic $topic, Request $request)

app/Models/Traits/ActiveUserHelper.php

@@ -0,0 +1,96 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: xing
+ * Date: 2018/6/2
+ * Time: 17:16
+ */
+
+namespace App\Models\Traits;
+
+
+use App\Models\Reply;
+use App\Models\Topic;
+use Carbon\Carbon;
+use Illuminate\Support\Facades\Cache;
+
+trait ActiveUserHelper
+{
+    protected $users = [];
+
+    protected $topic_weight = 4;
+    protected $reply_weight = 1;
+    protected $pass_days = 7;
+    protected $user_number = 6;
+
+    protected $cache_key = 'larabbs_active_users';
+    protected $cache_expire_in_minutes = 65;
+
+    public function getActiveUsers()
+    {
+        return Cache::remember($this->cache_key, $this->cache_expire_in_minutes, function () {
+            return $this->calculateActiveUsers();
+        });
+    }
+
+    public function calculateActiveUsers()
+    {
+        $this->calculateTopicScore();
+        $this->calculateReplyScore();
+        $users = array_sort($this->users, function ($user) {
+            return $user['score'];
+        });
+        $users = array_reverse($users, true);
+        $users = array_slice($users, 0, $this->user_number, true);
+        $active_users = collect();
+        foreach ($users as $user_id => $user) {
+            $user = $this->find($user_id);
+            if ($user) {
+                $active_users->push($user);
+            }
+        }
+        return $active_users;
+    }
+
+    private function calculateTopicScore()
+    {
+        // 从话题数据表里取出限定时间范围（$pass_days）内，有发表过话题的用户
+        // 并且同时取出用户此段时间内发布话题的数量
+        $topic_users = Topic::query()->select(\DB::raw('user_id, count(*) as topic_count'))
+            ->where('created_at', '>=', Carbon::now()->subDays($this->pass_days))
+            ->groupBy('user_id')
+            ->get();
+        // 根据话题数量计算得分
+        foreach ($topic_users as $value) {
+            $this->users[$value->user_id]['score'] = $value->topic_count * $this->topic_weight;
+        }
+    }
+
+    protected function calculateReplyScore()
+    {
+        $reply_users = Reply::query()
+            ->select(\DB::raw('user_id,count(*) as reply_count'))
+            ->where('created_at', '>=', Carbon::now()->subDays($this->pass_days))
+            ->groupBy('user_id')
+            ->get();
+        foreach ($reply_users as $value) {
+            $reply_score = $value->reply_count * $this->reply_weight;
+            if (isset($this->users[$value->user_id])) {
+                $this->users[$value->user_id]['score'] += $reply_score;
+            } else {
+                $this->users[$value->user_id]['score'] = $reply_score;
+            }
+        }
+    }
+
+    public function calculateAndCacheActiveUsers()
+    {
+        $active_users = $this->calculateActiveUsers();
+        $this->cacheActiveUsers($active_users);
+    }
+
+    private function cacheActiveUsers($active_users)
+    {
+        Cache::put($this->cache_key, $active_users, $this->cache_expire_in_minutes);
+    }
+}

app/Models/User.php

@@ -2,6 +2,7 @@
 
 namespace App\Models;
 
+use App\Models\Traits\ActiveUserHelper;
 use Illuminate\Foundation\Auth\User as Authenticatable;
 use Illuminate\Notifications\Notifiable;
 use Illuminate\Support\Facades\Auth;
@@ -13,6 +14,7 @@ class User extends Authenticatable
         notify as protected laravelNotify;
     }
     use HasRoles;
+    use ActiveUserHelper;
 
     /**
      * The attributes that are mass assignable.

public/css/app.css

@@ -8457,6 +8457,25 @@ body {
   border-bottom: 1px solid #efefef;
 }
 
+/**
+  sidebar
+ */
+
+.sidebar .panel-body {
+    padding: 12px;
+}
+
+.sidebar hr {
+    margin-top: 8px;
+    margin-bottom: 10px;
+}
+
+.sidebar .active-users a.media {
+    color: #797878;
+    line-height: 26px;
+    font-size: 0.9em;
+}
+
 /* Topic Index Page */
 
 .topics-index-page .topic-list .nav > li > a,

resources/assets/sass/app.scss

@@ -112,6 +112,28 @@ body {
 
 }
 
+/**
+  sidebar
+ */
+.sidebar {
+  .panel-body {
+    padding: 12px;
+  }
+
+  hr {
+    margin-top: 8px;
+    margin-bottom: 10px;
+  }
+
+  .active-users {
+    a.media {
+      color: #797878;
+      line-height: 26px;
+      font-size: 0.9em;
+    }
+  }
+}
+
 /* Topic Index Page */
 .topics-index-page, .categories-show-page {
   .topic-list {

resources/views/topics/_sidebar.blade.php

@@ -5,4 +5,23 @@
             <span class="glyphicon glyphicon-pencil" aria-hidden="true"></span> 新建帖子
         </a>
     </div>
-</div>
+</div>
+@if(count($active_users))
+    <div class="panel panel-default">
+        <div class="panel-body active_users">
+            <div class="text-center">活跃用户</div>
+            <hr>
+            @foreach($active_users as $active_user)
+                <a class="media" href="{{route('users.show',$active_user->id)}}">
+                    <div class="media-left media-middle">
+                        <img src="{{$active_user->avatar}}" width="24px" height="24px" class="img-circle media-object"
+                             alt="header">
+                    </div>
+                    <div class="media-body">
+                        <span class="media-heading">{{$active_user->name}}</span>
+                    </div>
+                </a>
+            @endforeach
+        </div>
+    </div>
+@endif

storage/administrator_settings/site.json

@@ -1,6 +1,6 @@
 {
   "site_name": "larabbs - Powered by LaraBBS",
-  "contact_email": "fthvgb1@163.com",
+  "contact_email": "fthvgb2@163.com",
   "seo_description": "laravel\u642d\u5efa\u7684bbs",
   "seo_keyword": "laravel,bbs,laravel\u793e\u533a"
 }