engagement system

app/Models/Bookmark.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class Bookmark extends Model
+{
+    /**
+     * Indicates if the model should be timestamped.
+     *
+     * @var bool
+     */
+    public $timestamps = false;
+
+    /**
+     * The attributes that are mass assignable.
+     *
+     * @var array<int, string>
+     */
+    protected $fillable = [
+        'user_id',
+        'product_id',
+    ];
+
+    /**
+     * Get the user that owns the bookmark.
+     */
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    /**
+     * Get the product that owns the bookmark.
+     */
+    public function product(): BelongsTo
+    {
+        return $this->belongsTo(Product::class);
+    }
+}

app/Models/Comment.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class Comment extends Model
+{
+    /**
+     * The attributes that are mass assignable.
+     *
+     * @var array<int, string>
+     */
+    protected $fillable = [
+        'user_id',
+        'product_id',
+        'body',
+    ];
+
+    /**
+     * Get the user that owns the comment.
+     */
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    /**
+     * Get the product that owns the comment.
+     */
+    public function product(): BelongsTo
+    {
+        return $this->belongsTo(Product::class);
+    }
+}

app/Models/Product.php

@@ -197,4 +197,68 @@ class Product extends Model
             'approved_at' => null,
         ]);
     }
+
+    /**
+     * Get the upvotes for the product.
+     */
+    public function upvotes()
+    {
+        return $this->hasMany(Upvote::class);
+    }
+
+    /**
+     * Get the comments for the product.
+     */
+    public function comments()
+    {
+        return $this->hasMany(Comment::class)->latest();
+    }
+
+    /**
+     * Get the bookmarks for the product.
+     */
+    public function bookmarks()
+    {
+        return $this->hasMany(Bookmark::class);
+    }
+
+    /**
+     * Check if a user has upvoted the product.
+     */
+    public function isUpvotedBy(?User $user): bool
+    {
+        if (!$user) {
+            return false;
+        }
+
+        return $this->upvotes()->where('user_id', $user->id)->exists();
+    }
+
+    /**
+     * Check if a user has bookmarked the product.
+     */
+    public function isBookmarkedBy(?User $user): bool
+    {
+        if (!$user) {
+            return false;
+        }
+
+        return $this->bookmarks()->where('user_id', $user->id)->exists();
+    }
+
+    /**
+     * Get the upvotes count for the product.
+     */
+    public function getUpvotesCountAttribute(): int
+    {
+        return $this->upvotes()->count();
+    }
+
+    /**
+     * Get the comments count for the product.
+     */
+    public function getCommentsCountAttribute(): int
+    {
+        return $this->comments()->count();
+    }
 }

app/Models/Upvote.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class Upvote extends Model
+{
+    /**
+     * Indicates if the model should be timestamped.
+     *
+     * @var bool
+     */
+    public $timestamps = false;
+
+    /**
+     * The attributes that are mass assignable.
+     *
+     * @var array<int, string>
+     */
+    protected $fillable = [
+        'user_id',
+        'product_id',
+    ];
+
+    /**
+     * Get the user that owns the upvote.
+     */
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    /**
+     * Get the product that owns the upvote.
+     */
+    public function product(): BelongsTo
+    {
+        return $this->belongsTo(Product::class);
+    }
+}

app/Models/User.php

@@ -120,4 +120,28 @@ class User extends Authenticatable
     {
         return $this->hasMany(Product::class);
     }
+
+    /**
+     * Get the upvotes for the user.
+     */
+    public function upvotes(): HasMany
+    {
+        return $this->hasMany(Upvote::class);
+    }
+
+    /**
+     * Get the comments for the user.
+     */
+    public function comments(): HasMany
+    {
+        return $this->hasMany(Comment::class);
+    }
+
+    /**
+     * Get the bookmarks for the user.
+     */
+    public function bookmarks(): HasMany
+    {
+        return $this->hasMany(Bookmark::class);
+    }
 }