Implement Scheduled Case Retention Evaluation and Automated Case Deletion

ProcessMaker/Console/Commands/EvaluateCaseRetention.php

@@ -0,0 +1,52 @@
+<?php
+
+namespace ProcessMaker\Console\Commands;
+
+use Illuminate\Console\Command;
+use ProcessMaker\Jobs\EvaluateProcessRetentionJob;
+use ProcessMaker\Models\Process;
+
+class EvaluateCaseRetention extends Command
+{
+    /**
+     * The name and signature of the console command.
+     *
+     * @var string
+     */
+    protected $signature = 'cases:retention:evaluate';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Evaluate and delete cases past their retention period';
+
+    /**
+     * Execute the console command.
+     */
+    public function handle()
+    {
+        // Only run if case retention policy is enabled
+        $enabled = config('app.case_retention_policy_enabled', false);
+        if (!$enabled) {
+            $this->info('Case retention policy is disabled');
+            $this->error('Skipping case retention evaluation');
+
+            return;
+        }
+
+        $this->info('Case retention policy is enabled');
+        $this->info('Evaluating and deleting cases past their retention period');
+
+        // Process all processes when retention policy is enabled
+        // Processes without retention_period will default to 1_year
+        Process::chunkById(100, function ($processes) {
+            foreach ($processes as $process) {
+                dispatch(new EvaluateProcessRetentionJob($process->id));
+            }
+        });
+
+        $this->info('Cases retention evaluation complete');
+    }
+}

ProcessMaker/Console/Kernel.php

@@ -89,6 +89,13 @@ protected function schedule(Schedule $schedule)
                 break;
         }
 
+        // evaluate cases retention policy
+        $schedule->command('cases:retention:evaluate')
+            ->daily()
+            ->onOneServer()
+            ->withoutOverlapping()
+            ->runInBackground();
+
         // 5 minutes is recommended in https://laravel.com/docs/12.x/horizon#metrics
         $schedule->command('horizon:snapshot')->everyFiveMinutes();
     }

ProcessMaker/Jobs/EvaluateProcessRetentionJob.php

@@ -0,0 +1,105 @@
+<?php
+
+namespace ProcessMaker\Jobs;
+
+use Carbon\Carbon;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Foundation\Queue\Queueable;
+use Illuminate\Support\Facades\Log;
+use ProcessMaker\Models\CaseNumber;
+use ProcessMaker\Models\Process;
+use ProcessMaker\Models\ProcessRequest;
+
+class EvaluateProcessRetentionJob implements ShouldQueue
+{
+    use Queueable;
+
+    /**
+     * Create a new job instance.
+     */
+    public function __construct(public int $processId)
+    {
+    }
+
+    /**
+     * Execute the job.
+     */
+    public function handle(): void
+    {
+        // Only run if case retention policy is enabled
+        $enabled = config('app.case_retention_policy_enabled', false);
+        if (!$enabled) {
+            return;
+        }
+
+        $process = Process::find($this->processId);
+        if (!$process) {
+            Log::error('CaseRetentionJob: Process not found', ['process_id' => $this->processId]);
+
+            return;
+        }
+
+        // Default to 1_year if retention_period is not set
+        $retentionPeriod = $process->properties['retention_period'] ?? '1_year';
+        $retentionMonths = match ($retentionPeriod) {
+            '6_months' => 6,
+            '1_year' => 12,
+            '3_years' => 36,
+            '5_years' => 60,
+            default => 12, // Default to 1_year
+        };
+
+        // Default retention_updated_at to now if not set
+        // This means the retention policy applies from now for processes without explicit retention settings
+        $retentionUpdatedAt = isset($process->properties['retention_updated_at'])
+            ? Carbon::parse($process->properties['retention_updated_at'])
+            : Carbon::now();
+
+        // Check if there are any process requests for this process
+        // If not, nothing to delete
+        if (!ProcessRequest::where('process_id', $this->processId)->exists()) {
+            return;
+        }
+
+        // Handle two scenarios:
+        // 1. Cases created BEFORE retention_updated_at: Delete if older than retention period from retention_updated_at
+        //    (These cases were subject to the old retention policy, but we apply current retention from update date)
+        // 2. Cases created AFTER retention_updated_at: Delete if older than retention period from their creation date
+        //    (These cases are subject to the new retention policy)
+
+        $now = Carbon::now();
+
+        // For cases created before retention_updated_at: cutoff is retention_updated_at - retention_period
+        $oldCasesCutoff = $retentionUpdatedAt->copy()->subMonths($retentionMonths);
+
+        // For cases created after retention_updated_at: cutoff is now - retention_period
+        $newCasesCutoff = $now->copy()->subMonths($retentionMonths);
+
+        // Use subquery to get process request IDs
+        $processRequestSubquery = ProcessRequest::where('process_id', $this->processId)->select('id');
+
+        CaseNumber::whereIn('process_request_id', $processRequestSubquery)
+            ->where(function ($query) use ($retentionUpdatedAt, $oldCasesCutoff, $newCasesCutoff) {
+                // Cases created before retention_updated_at: delete if created before (retention_updated_at - retention_period)
+                $query->where(function ($q) use ($retentionUpdatedAt, $oldCasesCutoff) {
+                    $q->where('created_at', '<', $retentionUpdatedAt)
+                    ->where('created_at', '<', $oldCasesCutoff);
+                })
+                // Cases created after retention_updated_at: delete if created before (now - retention_period)
+                ->orWhere(function ($q) use ($retentionUpdatedAt, $newCasesCutoff) {
+                    $q->where('created_at', '>=', $retentionUpdatedAt)
+                    ->where('created_at', '<', $newCasesCutoff);
+                });
+            })
+            ->chunkById(100, function ($cases) {
+                $caseIds = $cases->pluck('id');
+                // Delete the cases
+                CaseNumber::whereIn('id', $caseIds)->delete();
+
+                // TODO: Add logs to track the number of cases deleted
+                // Get deleted timestamp
+                // $deletedAt = Carbon::now();
+                // RetentionPolicyLog::record($process->id, $caseIds, $deletedAt);
+            });
+    }
+}

config/app.php

@@ -288,6 +288,9 @@
     // Enable or disable TCE customization feature
     'tce_customization_enable' => env('TCE_CUSTOMIZATION_ENABLED', false),
 
+    // Enable or disable case retention policy
+    'case_retention_policy_enabled' => env('CASE_RETENTION_POLICY_ENABLED', false),
+
     'prometheus_namespace' => env('PROMETHEUS_NAMESPACE', strtolower(preg_replace('/[^a-zA-Z0-9_]+/', '_', env('APP_NAME', 'processmaker')))),
 
     'server_timing' => [

database/factories/ProcessMaker/Models/CaseNumberFactory.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace Database\Factories\ProcessMaker\Models;
+
+use Illuminate\Database\Eloquent\Factories\Factory;
+use ProcessMaker\Models\CaseNumber;
+use ProcessMaker\Models\ProcessRequest;
+
+class CaseNumberFactory extends Factory
+{
+    protected $model = CaseNumber::class;
+
+    public function definition(): array
+    {
+        return [
+            'process_request_id' => function () {
+                return ProcessRequest::factory()->create()->getKey();
+            },
+        ];
+    }
+}