Initial project

app/Models/ConversationParticipant.php

@@ -0,0 +1,48 @@
+<?php
+
+namespace App\Models;
+
+use Database\Factories\ConversationParticipantFactory;
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Model;
+
+#[Fillable(['conversation_id', 'user_id', 'role', 'joined_at', 'last_read_at', 'muted_until'])]
+class ConversationParticipant extends Model
+{
+    /** @use HasFactory<ConversationParticipantFactory> */
+    use HasFactory;
+
+    public const string RoleAdmin = 'admin';
+
+    public const string RoleMember = 'member';
+
+    /**
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        return [
+            'joined_at' => 'datetime',
+            'last_read_at' => 'datetime',
+            'muted_until' => 'datetime',
+        ];
+    }
+
+    /**
+     * @return BelongsTo<Conversation, $this>
+     */
+    public function conversation(): BelongsTo
+    {
+        return $this->belongsTo(Conversation::class);
+    }
+
+    /**
+     * @return BelongsTo<User, $this>
+     */
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+}