Fix duplicate rows

Author: nasrulhazim

src/Presentation/Markdown.php

@@ -15,34 +15,65 @@ public function getContents()
     {
         $contents = $this->contents;
         $output = [];
-        foreach ($contents as $table => $properties) {
+
+        foreach ($contents as $table => $rows) {
+            // Normalize & de-duplicate rows for this table
+            // Supports both list-style rows and associative rows.
+            $order = ['column', 'type', 'length', 'default', 'nullable', 'comment'];
+
+            $unique = [];
+            foreach ($rows as $row) {
+                if (is_array($row) && array_is_list($row)) {
+                    // Already positional
+                    $cells = array_map(fn ($v) => trim((string) $v), $row);
+                } else {
+                    // Map associative row to the expected column order
+                    $cells = [];
+                    foreach ($order as $k) {
+                        $cells[] = isset($row[$k]) ? trim((string) $row[$k]) : '';
+                    }
+                }
+
+                // Key for dedupe (stable & whitespace-normalized)
+                $key = implode('||', $cells);
+                if (! isset($unique[$key])) {
+                    $unique[$key] = $cells;
+                }
+            }
+
+            // Render table
             $output[] = '### '.$table.PHP_EOL.PHP_EOL;
             $output[] = '| Column | Type | Length | Default | Nullable | Comment |'.PHP_EOL;
             $output[] = '|--------|------|--------|---------|----------|---------|'.PHP_EOL;
-            foreach ($properties as $key => $value) {
-                $fields = [];
-                foreach ($value as $k => $v) {
-                    $fields[] = "{$v}";
-                }
-                $output[] = '| '.implode(' | ', $fields).' |'.PHP_EOL;
+
+            foreach ($unique as $cells) {
+                // Ensure exactly 6 cells
+                $cells = array_pad($cells, 6, '');
+                $output[] = '| '.implode(' | ', $cells).' |'.PHP_EOL;
             }
+
             $output[] = PHP_EOL;
         }
 
         $schema = implode('', $output);
         $stub = $this->getStub();
+
         $database_config = config('database.connections.'.$this->connection);
-        $host = isset($database_config['host']) ? $database_config['host'] : null;
-        $port = isset($database_config['port']) ? $database_config['port'] : null;
-
-        return str_replace([
-            'APP_NAME',
-            'DB_CONNECTION', 'DB_HOST', 'DB_PORT', 'DB_DATABASE',
-            'SCHEMA_CONTENT',
-        ], [
-            config('app.name'),
-            $this->connection, $host, $port, $database_config['database'],
-            $schema,
-        ], $stub);
+        $host = $database_config['host'] ?? null;
+        $port = $database_config['port'] ?? null;
+
+        return str_replace(
+            [
+                'APP_NAME',
+                'DB_CONNECTION', 'DB_HOST', 'DB_PORT', 'DB_DATABASE',
+                'SCHEMA_CONTENT',
+            ],
+            [
+                config('app.name'),
+                $this->connection, $host, $port, $database_config['database'],
+                $schema,
+            ],
+            $stub
+        );
     }
 }