fix: division by zero error

Fix #81

app/Models/CurrencyRate.php

@@ -134,9 +134,11 @@ class CurrencyRate extends Model
 
         if (is_array($currency)) {
 
+            $i = 1;
             foreach ($currency as $curr) {
 
-                dispatch(fn () => self::timeSeriesRates($curr, $start, $end));
+                dispatch(fn () => self::timeSeriesRates($curr, $start, $end))->delay(now()->addSeconds(30 * $i));
+                $i++;
             }
 
             return [];

app/Models/DailyChange.php

@@ -99,8 +99,11 @@ class DailyChange extends Model
                 'tx1.quantity',
             ])
             ->selectRaw("(CASE
-                WHEN tx1.transaction_type = 'BUY'
-                    THEN COALESCE(cr.rate, 1)
+                WHEN 
+                    tx1.transaction_type = 'BUY' 
+                    OR SUM(tx1.cost_basis_base) = 0
+                THEN 
+                    COALESCE(cr.rate, 1)
                 ELSE (
                     SELECT
                         SUM(COALESCE(cr2.rate, 1) * buy.cost_basis_base)

app/Models/Holding.php

@@ -302,8 +302,11 @@ class Holding extends Model
                             ])
                             ->selectRaw(
                                 "(CASE
-                                        WHEN transactions.transaction_type = 'BUY'
-                                            THEN COALESCE(cr.rate, 1)
+                                        WHEN 
+                                            transactions.transaction_type = 'BUY'
+                                            OR SUM(transactions.cost_basis_base) = 0
+                                        THEN 
+                                            COALESCE(cr.rate, 1)
                                         ELSE (
                                             SELECT
                                                 SUM(COALESCE(cr2.rate, 1) * buy.cost_basis_base)

database/migrations/2025_12_28_000001_add_multi_currency_support.php

@@ -8,6 +8,7 @@ use App\Models\Transaction;
 use Database\Seeders\CurrencySeeder;
 use Database\Seeders\MarketDataSeeder;
 use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Query\Expression;
 use Illuminate\Database\Schema\Blueprint;
 use Illuminate\Support\Facades\Artisan;
 use Illuminate\Support\Facades\DB;
@@ -24,10 +25,15 @@ return new class extends Migration
          * Add options column to users table
          */
         Schema::table('users', function (Blueprint $table) {
-            $table->json('options')->default(json_encode([
-                'locale' => config('app.locale', 'en'),
-                'display_currency' => config('investbrain.base_currency', 'USD'),
-            ]))->after('profile_photo_path');
+
+            $locale = config('app.locale', 'en');
+            $currency = config('investbrain.base_currency', 'USD');
+
+            $default = config('database.default') === 'mysql'
+                ? new Expression("(JSON_OBJECT('locale', '{$locale}', 'display_currency', '{$currency}'))")
+                : json_encode(['locale' => $locale, 'display_currency' => $currency]);
+
+            $table->json('options')->default($default)->after('profile_photo_path');
         });
 
         /**

docker-compose.yml

@@ -11,9 +11,9 @@ services:
       - 8000:80
     environment: # You can either use these properties OR an .env file. Do not use both!
       APP_URL: "http://localhost:8000"
-      DB_CONNECTION: mysql
-      DB_HOST: investbrain-mysql
-      DB_PORT: 3306
+      DB_CONNECTION: pgsql
+      DB_HOST: investbrain-pgsql
+      DB_PORT: 5432
       DB_DATABASE: investbrain
       DB_USERNAME: investbrain
       DB_PASSWORD: investbrain
@@ -25,7 +25,7 @@ services:
       - investbrain-storage:/var/app/storage # You can use a volume... 
       # - /path/to/storage:/var/app/storage:delegated # ...or you can use a path on host
     depends_on:
-      - mysql
+      - pgsql
       - redis
     networks:
       - investbrain-network
@@ -40,22 +40,22 @@ services:
       - investbrain-redis:/data
     networks:
       - investbrain-network
-  mysql:
-    image: mysql:8.0
-    container_name: investbrain-mysql
+  pgsql:
+    image: postgres:15-alpine
+    container_name: investbrain-pgsql
     restart: unless-stopped
+    ports:
+      - "5432:5432"
     environment:
-      MYSQL_DATABASE: ${DB_DATABASE:-investbrain}
-      MYSQL_USER: ${DB_USERNAME:-investbrain}
-      MYSQL_PASSWORD: ${DB_PASSWORD:-investbrain}
-      MYSQL_ROOT_PASSWORD: ${DB_PASSWORD:-investbrain}
-    command: 
-      - --cte-max-recursion-depth=25000
+      POSTGRES_DB: ${DB_DATABASE:-investbrain}
+      POSTGRES_USER: ${DB_USERNAME:-investbrain}
+      POSTGRES_PASSWORD: ${DB_PASSWORD:-investbrain}
+    command: postgres -c log_min_messages=error
     volumes:
-      - investbrain-mysql:/var/lib/mysql
+      - investbrain-pgsql:/var/lib/postgresql/data
     networks:
       - investbrain-network
 volumes:
   investbrain-storage:
   investbrain-redis:
-  investbrain-mysql:
+  investbrain-pgsql:

docker/Dockerfile

@@ -62,7 +62,7 @@ RUN apk add --no-cache \
         bash \
     && docker-php-ext-configure gd --with-freetype --with-jpeg \
     && docker-php-ext-install -j$(nproc) \
-        gd pgsql zip pdo_mysql mysqli intl 
+        gd pgsql zip pdo_mysql pdo_pgsql mysqli intl 
 
 # Remove default nginx config
 RUN rm -rf /var/www/html \

docker/entrypoint.sh

@@ -3,7 +3,7 @@
 cd /var/app
 
 # Starting Investbrain
-echo "CiAgKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioKICAqICBJSUkgICBOICAgTiAgViAgIFYgIEVFRUVFICBTU1NTICBUVFRUVCAgQkJCQkIgICBSUlJSICAgIEFBQUFBICBJSUkgICBOICAgTiAgKgogICogICBJICAgIE5OICBOICBWICAgViAgRSAgICAgIFMgICAgICAgVCAgICBCICAgIEIgIFIgICBSICAgQSAgIEEgICBJICAgIE5OICBOICAqCiAgKiAgIEkgICAgTiBOIE4gIFYgICBWICBFRUVFICAgU1NTUyAgICBUICAgIEJCQkJCICAgUlJSUiAgICBBQUFBQSAgIEkgICAgTiBOIE4gICoKICAqICAgSSAgICBOICBOTiAgViAgIFYgIEUgICAgICAgICAgUyAgIFQgICAgQiAgICBCICBSICBSICAgIEEgICBBICAgSSAgICBOICBOTiAgKgogICogIElJSSAgIE4gICBOICAgVlZWICAgRUVFRUUgIFNTU1MgICAgVCAgICBCQkJCQiAgIFIgICBSICAgQSAgIEEgIElJSSAgIE4gICBOICAqCiAgKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioKICA=" | base64 -d
+echo "CuKWhOKWliAgICAgICAg4paXIOKWjCAgICAg4paYICAK4paQIOKWm+KWjOKWjOKWjOKWiOKWjOKWm+KWmOKWnOKWmOKWm+KWjOKWm+KWmOKWgOKWjOKWjOKWm+KWjArilp/ilpbilozilozilprilpjilpnilpbiloTilozilpDilpbilpnilozilowg4paI4paM4paM4paM4paMCg==" | base64 -d
 
 echo -e "\n====================== Validating environment...  ====================== "
 
@@ -54,7 +54,6 @@ RETRIES=12
 DELAY=5
 run_migrations() {
     sleep $DELAY
-    # php artisan migrate --force
     output=$(php artisan migrate --force 2>/dev/null)
     if [[ $? -eq 0 ]]; then
         echo "$output"
@@ -72,7 +71,18 @@ until run_migrations; do
   echo -e "\n > Waiting for database to be ready... retrying in $DELAY seconds. \n"
 done
 
+echo -e "\n====================== Cleaning up...  ====================== \n"
+
+# Clear caches
+echo $(php artisan cache:clear)
+echo $(php artisan view:clear)
+echo $(php artisan route:clear)
+echo $(php artisan event:clear)
+
+# Re-create caches
+echo $(php artisan route:cache)
+echo $(php artisan event:cache)
+
 echo -e "\n====================== Spinning up Supervisor daemon...  ====================== \n"
 
 exec supervisord -c /etc/supervisor/conf.d/supervisord.conf
-

tests/DailyChangeTest.php

@@ -221,7 +221,7 @@ class DailyChangeTest extends TestCase
         $second_transaction = Transaction::create([
             'symbol' => 'AAPL',
             'portfolio_id' => $portfolio->id,
-            'date' => now()->subYears(3),
+            'date' => now()->subDays(1080), // 3 years
             'quantity' => 1,
             'cost_basis' => 39.89,
             'transaction_type' => 'BUY',