Initial commit

app/Models/ChatConversation.php

@@ -0,0 +1,57 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class ChatConversation extends Model
+{
+    use HasFactory;
+
+    public const STATUS_OPEN = 'open';
+    public const STATUS_CLOSED = 'closed';
+
+    protected $fillable = [
+        'user_id',
+        'visitor_token',
+        'status',
+        'last_message_at',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'last_message_at' => 'datetime',
+        ];
+    }
+
+    public function user()
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    public function messages()
+    {
+        return $this->hasMany(ChatMessage::class);
+    }
+
+    public function latestMessage()
+    {
+        return $this->hasOne(ChatMessage::class)->latestOfMany();
+    }
+
+    public function getDisplayNameAttribute(): string
+    {
+        if ($this->user?->name) {
+            return $this->user->name;
+        }
+
+        return 'Гость #' . $this->id;
+    }
+
+    public function isClosed(): bool
+    {
+        return $this->status === self::STATUS_CLOSED;
+    }
+}