fix(#124): improve timezone support

app/Console/Commands/GenerateDefaultImagesCommand.php

@@ -121,6 +121,10 @@ class GenerateDefaultImagesCommand extends Command
 
             $browserStage = new BrowserStage($browsershotInstance);
             $browserStage->html($html);
+
+            // Set timezone from app config (no user context in this command)
+            $browserStage->timezone(config('app.timezone'));
+
             $browserStage
                 ->width($deviceModel->width)
                 ->height($deviceModel->height);

app/Models/Plugin.php

@@ -12,6 +12,7 @@ use App\Liquid\Filters\StringMarkup;
 use App\Liquid\Filters\Uniqueness;
 use App\Liquid\Tags\TemplateTag;
 use App\Services\PluginImportService;
+use Carbon\Carbon;
 use Exception;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
@@ -454,6 +455,12 @@ class Plugin extends Model
             $renderedContent = '';
 
             if ($this->markup_language === 'liquid') {
+                // Get timezone from user or fall back to app timezone
+                $timezone = $this->user->timezone ?? config('app.timezone');
+
+                // Calculate UTC offset in seconds
+                $utcOffset = (string) Carbon::now($timezone)->getOffset();
+
                 // Build render context
                 $context = [
                     'size' => $size,
@@ -465,10 +472,10 @@ class Plugin extends Model
                             'timestamp_utc' => now()->utc()->timestamp,
                         ],
                         'user' => [
-                            'utc_offset' => '0',
+                            'utc_offset' => $utcOffset,
                             'name' => $this->user->name ?? 'Unknown User',
                             'locale' => 'en',
-                            'time_zone_iana' => config('app.timezone'),
+                            'time_zone_iana' => $timezone,
                         ],
                         'plugin_settings' => [
                             'instance_name' => $this->name,

app/Models/User.php

@@ -27,6 +27,7 @@ class User extends Authenticatable // implements MustVerifyEmail
         'assign_new_devices',
         'assign_new_device_id',
         'oidc_sub',
+        'timezone',
     ];
 
     /**

app/Services/ImageGenerationService.php

@@ -25,7 +25,7 @@ class ImageGenerationService
 {
     public static function generateImage(string $markup, $deviceId): string
     {
-        $device = Device::with(['deviceModel', 'palette', 'deviceModel.palette'])->find($deviceId);
+        $device = Device::with(['deviceModel', 'palette', 'deviceModel.palette', 'user'])->find($deviceId);
         $uuid = Uuid::uuid4()->toString();
 
         try {
@@ -44,6 +44,10 @@ class ImageGenerationService
             $browserStage = new BrowserStage($browsershotInstance);
             $browserStage->html($markup);
 
+            // Set timezone from user or fall back to app timezone
+            $timezone = $device->user->timezone ?? config('app.timezone');
+            $browserStage->timezone($timezone);
+
             if (config('app.puppeteer_window_size_strategy') === 'v2') {
                 $browserStage
                     ->width($imageSettings['width'])
@@ -352,7 +356,7 @@ class ImageGenerationService
 
         try {
             // Load device with relationships
-            $device->load(['palette', 'deviceModel.palette']);
+            $device->load(['palette', 'deviceModel.palette', 'user']);
 
             // Get image generation settings from DeviceModel if available, otherwise use device settings
             $imageSettings = self::getImageSettings($device);
@@ -372,6 +376,10 @@ class ImageGenerationService
             $browserStage = new BrowserStage($browsershotInstance);
             $browserStage->html($html);
 
+            // Set timezone from user or fall back to app timezone
+            $timezone = $device->user->timezone ?? config('app.timezone');
+            $browserStage->timezone($timezone);
+
             if (config('app.puppeteer_window_size_strategy') === 'v2') {
                 $browserStage
                     ->width($imageSettings['width'])

composer.json

@@ -15,7 +15,7 @@
         "ext-simplexml": "*",
         "ext-zip": "*",
         "bnussbau/laravel-trmnl-blade": "2.0.*",
-        "bnussbau/trmnl-pipeline-php": "^0.5.0",
+        "bnussbau/trmnl-pipeline-php": "^0.6.0",
         "keepsuit/laravel-liquid": "^0.5.2",
         "laravel/framework": "^12.1",
         "laravel/sanctum": "^4.0",

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "38e8a7dd90ccc1b777a4c8a5a28f9f14",
+    "content-hash": "7750ff686c4cad7f85390488c28b33ca",
     "packages": [
         {
             "name": "aws/aws-crt-php",
@@ -243,16 +243,16 @@
         },
         {
             "name": "bnussbau/trmnl-pipeline-php",
-            "version": "0.5.0",
+            "version": "0.6.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/bnussbau/trmnl-pipeline-php.git",
-                "reference": "eb55b89e1f3991764912505872bbce809874d1aa"
+                "reference": "228505afa8a39a5033916e9ae5ccbf1733092c1f"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/bnussbau/trmnl-pipeline-php/zipball/eb55b89e1f3991764912505872bbce809874d1aa",
+                "url": "https://api.github.com/repos/bnussbau/trmnl-pipeline-php/zipball/228505afa8a39a5033916e9ae5ccbf1733092c1f",
-                "reference": "eb55b89e1f3991764912505872bbce809874d1aa",
+                "reference": "228505afa8a39a5033916e9ae5ccbf1733092c1f",
                 "shasum": ""
             },
             "require": {
@@ -294,7 +294,7 @@
             ],
             "support": {
                 "issues": "https://github.com/bnussbau/trmnl-pipeline-php/issues",
-                "source": "https://github.com/bnussbau/trmnl-pipeline-php/tree/0.5.0"
+                "source": "https://github.com/bnussbau/trmnl-pipeline-php/tree/0.6.0"
             },
             "funding": [
                 {
@@ -310,7 +310,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2025-11-25T17:00:21+00:00"
+            "time": "2025-12-02T15:18:51+00:00"
         },
         {
             "name": "brick/math",

database/migrations/2025_12_02_154228_add_timezone_to_users_table.php

@@ -0,0 +1,28 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('users', function (Blueprint $table) {
+            $table->string('timezone')->nullable()->after('oidc_sub');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('users', function (Blueprint $table) {
+            $table->dropColumn('timezone');
+        });
+    }
+};

resources/views/livewire/settings/preferences.blade.php

@@ -11,9 +11,12 @@ use Livewire\Volt\Component;
 new class extends Component {
     public ?int $assign_new_device_id = null;
 
+    public ?string $timezone = null;
+
     public function mount(): void
     {
         $this->assign_new_device_id = Auth::user()->assign_new_device_id;
+        $this->timezone = Auth::user()->timezone ?? config('app.timezone');
     }
 
     public function updatePreferences(): void
@@ -26,6 +29,11 @@ new class extends Component {
                         ->whereNull('mirror_device_id');
                 }),
             ],
+            'timezone' => [
+                'nullable',
+                'string',
+                Rule::in(timezone_identifiers_list()),
+            ],
         ]);
 
         Auth::user()->update($validated);
@@ -39,6 +47,14 @@ new class extends Component {
 
     <x-settings.layout heading="Preferences" subheading="Update your preferences">
         <form wire:submit="updatePreferences" class="my-6 w-full space-y-6">
+
+            <flux:select wire:model="timezone" label="Timezone">
+                <flux:select.option value="" disabled>Select timezone...</flux:select.option>
+                @foreach(timezone_identifiers_list() as $tz)
+                    <flux:select.option value="{{ $tz }}">{{ $tz }}</flux:select.option>
+                @endforeach
+            </flux:select>
+
             <flux:select wire:model="assign_new_device_id" label="Auto-Joined Devices should mirror">
                 <flux:select.option value="">None</flux:select.option>
                 @foreach(auth()->user()->devices->where('mirror_device_id', null) as $device)

tests/Unit/Models/PluginTest.php

@@ -1,6 +1,8 @@
 <?php
 
 use App\Models\Plugin;
+use App\Models\User;
+use Carbon\Carbon;
 use Illuminate\Support\Facades\Http;
 
 uses(Illuminate\Foundation\Testing\RefreshDatabase::class);
@@ -587,3 +589,93 @@ LIQUID
         return str_contains($command, 'trmnl-liquid-cli');
     });
 });
+
+test('plugin render uses user timezone when set', function (): void {
+    $user = User::factory()->create([
+        'timezone' => 'America/New_York',
+    ]);
+
+    $plugin = Plugin::factory()->create([
+        'user_id' => $user->id,
+        'markup_language' => 'liquid',
+        'render_markup' => '{{ trmnl.user.time_zone_iana }}',
+    ]);
+
+    $rendered = $plugin->render();
+
+    expect($rendered)->toContain('America/New_York');
+});
+
+test('plugin render falls back to app timezone when user timezone is not set', function (): void {
+    $user = User::factory()->create([
+        'timezone' => null,
+    ]);
+
+    config(['app.timezone' => 'Europe/London']);
+
+    $plugin = Plugin::factory()->create([
+        'user_id' => $user->id,
+        'markup_language' => 'liquid',
+        'render_markup' => '{{ trmnl.user.time_zone_iana }}',
+    ]);
+
+    $rendered = $plugin->render();
+
+    expect($rendered)->toContain('Europe/London');
+});
+
+test('plugin render calculates correct UTC offset from user timezone', function (): void {
+    $user = User::factory()->create([
+        'timezone' => 'America/New_York', // UTC-5 (EST) or UTC-4 (EDT)
+    ]);
+
+    $plugin = Plugin::factory()->create([
+        'user_id' => $user->id,
+        'markup_language' => 'liquid',
+        'render_markup' => '{{ trmnl.user.utc_offset }}',
+    ]);
+
+    $rendered = $plugin->render();
+
+    // America/New_York offset should be -18000 (EST) or -14400 (EDT) in seconds
+    $expectedOffset = (string) Carbon::now('America/New_York')->getOffset();
+    expect($rendered)->toContain($expectedOffset);
+});
+
+test('plugin render calculates correct UTC offset from app timezone when user timezone is null', function (): void {
+    $user = User::factory()->create([
+        'timezone' => null,
+    ]);
+
+    config(['app.timezone' => 'Europe/London']);
+
+    $plugin = Plugin::factory()->create([
+        'user_id' => $user->id,
+        'markup_language' => 'liquid',
+        'render_markup' => '{{ trmnl.user.utc_offset }}',
+    ]);
+
+    $rendered = $plugin->render();
+
+    // Europe/London offset should be 0 (GMT) or 3600 (BST) in seconds
+    $expectedOffset = (string) Carbon::now('Europe/London')->getOffset();
+    expect($rendered)->toContain($expectedOffset);
+});
+
+test('plugin render includes utc_offset and time_zone_iana in trmnl.user context', function (): void {
+    $user = User::factory()->create([
+        'timezone' => 'America/Chicago', // UTC-6 (CST) or UTC-5 (CDT)
+    ]);
+
+    $plugin = Plugin::factory()->create([
+        'user_id' => $user->id,
+        'markup_language' => 'liquid',
+        'render_markup' => '{{ trmnl.user.time_zone_iana }}|{{ trmnl.user.utc_offset }}',
+    ]);
+
+    $rendered = $plugin->render();
+
+    expect($rendered)
+        ->toContain('America/Chicago')
+        ->and($rendered)->toMatch('/\|-?\d+/'); // Should contain a pipe followed by a number (offset in seconds)
+});