Introduce a view counter for Posts, show the counter above 3 views

CHANGELOG.md

@@ -22,6 +22,7 @@ v0.22 (trunk)
  * New Colors and AvatarPlaceholder widgets
  * Refactor and cleanup the Moxl Stanza classes
  * Fixing XEP-0077: In-Band Registration support and cleaning old code
+ * Introduce a view counter for Posts, show the counter above 3 views
 
 v0.21.1
 ---------------------------

app/Post.php

@@ -16,6 +16,7 @@ class Post extends Model
                     'contact',  'openlink', 'embed',
                     'links', 'files', 'pictures', 'picture',
                     'attachment'];
+    public $withCount = ['userViews'];
 
     private $titleLimit = 200;
     private $changed = false; // Detect if the set post was different from the cache
@@ -51,6 +52,11 @@ class Post extends Model
                     ->where('node', $this->node);
     }
 
+    public function userViews()
+    {
+        return $this->belongsToMany(User::class, 'post_user_views', 'post_id', 'user_id')->withTimestamps();
+    }
+
     public function likes()
     {
         return $this->hasMany('App\Post', 'parent_id', 'id')

app/User.php

@@ -72,6 +72,11 @@ class User extends Model
         return $this->belongsToMany('App\Reported')->withTimestamps();
     }
 
+    public function postViews()
+    {
+        return $this->belongsToMany(User::class, 'post_user_views', 'user_id', 'post_id')->withTimestamps();
+    }
+
     public function getResolvedNicknameAttribute()
     {
         return $this->nickname ?? $this->id;

app/widgets/Post/Post.php

@@ -106,6 +106,8 @@ class Post extends Base
             ->request();
 
         if ($p) {
+            $p->userViews()->syncWithoutDetaching($this->user->id);
+
             $html = $this->preparePost($p, false, false, false);
 
             $this->rpc('MovimTpl.fill', '#post_widget.'.cleanupId($p->nodeid), $html);

app/widgets/Post/_post.tpl

@@ -133,6 +133,10 @@
                     {if="$post->contentcleaned && readTime($post->contentcleaned)"}
                         · {$post->contentcleaned|readTime}
                     {/if}
+                    {$count = $post->user_views_count}
+                    {if="$count > 2"}
+                         · {$count} <i class="material-icons">visibility</i>
+                    {/if}
                 </p>
                 {if="$post->isBrief()"}
                     <p class="normal">

app/widgets/Post/_post_card.tpl

@@ -65,6 +65,7 @@
                             edit
                         </i>
                     {/if}
+
                     {if="!$post->openlink"}
                         <i class="material-icons on_mobile" title="{$c->__('post.public_no')}">
                             lock
@@ -73,6 +74,10 @@
                     {if="$post->contentcleaned && readTime($post->contentcleaned)"}
                         · {$post->contentcleaned|readTime}
                     {/if}
+                    {$count = $post->user_views_count}
+                    {if="$count > 2"}
+                         · {$count} <i class="material-icons">visibility</i>
+                    {/if}
                 </p>
                 {if="$post->isBrief()"}
                     <p class="normal">

app/widgets/Post/_post_ticket.tpl

@@ -73,6 +73,11 @@
                     <i class="material-icons">movie</i> ·
                 {/if}
 
+                {$count = $post->user_views_count}
+                {if="$count > 2"}
+                    {$count} <i class="material-icons">visibility</i> ·
+                {/if}
+
                 {$count = $post->likes->count()}
                 {if="$count > 0"}
                     {$count} <i class="material-icons">favorite_border</i> ·

database/migrations/20230612194157_create_post_user_views_table.php

@@ -0,0 +1,32 @@
+<?php
+
+use Movim\Migration;
+use Illuminate\Database\Schema\Blueprint;
+
+class CreatePostUserViewsTable extends Migration
+{
+    public function up()
+    {
+        $this->schema->create('post_user_views', function (Blueprint $table) {
+            $table->string('user_id', 256);
+            $table->integer('post_id')->unsigned();
+
+            $table->foreign('user_id')
+                  ->references('id')->on('users')
+                  ->onDelete('cascade');
+
+            $table->foreign('post_id')
+                  ->references('id')->on('posts')
+                  ->onDelete('cascade');
+
+            $table->timestamps();
+
+            $table->unique(['user_id', 'post_id']);
+        });
+    }
+
+    public function down()
+    {
+        $this->schema->drop('post_user_views');
+    }
+}