Make projects depend on templates

app/Models/ProjectTemplate.php

@@ -7,8 +7,9 @@ use Illuminate\Database\Eloquent\Attributes\Fillable;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Builder;
 
-#[Fillable(['source_project_id', 'name', 'slug', 'copy_areas', 'configuration_snapshot'])]
+#[Fillable(['project_id', 'source_project_id', 'name', 'slug', 'is_published', 'copy_areas', 'configuration_snapshot'])]
 class ProjectTemplate extends Model
 {
     /** @use HasFactory<ProjectTemplateFactory> */
@@ -19,9 +20,20 @@ class ProjectTemplate extends Model
         return [
             'copy_areas' => 'array',
             'configuration_snapshot' => 'array',
+            'is_published' => 'boolean',
         ];
     }
 
+    public function scopePublished(Builder $query): Builder
+    {
+        return $query->where('is_published', true);
+    }
+
+    public function project(): BelongsTo
+    {
+        return $this->belongsTo(Project::class);
+    }
+
     public function sourceProject(): BelongsTo
     {
         return $this->belongsTo(Project::class, 'source_project_id');