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@abnegate abnegate commented Jul 2, 2025

Summary by CodeRabbit

  • Refactor
    • Improved handling of CSV file downloads to ensure files are available locally before processing, reducing redundant downloads and enhancing reliability.

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coderabbitai bot commented Jul 2, 2025

Walkthrough

A new private boolean property $downloaded and a private method downloadToLocal() were added to the CSV class in src/Migration/Sources/CSV.php. The file transfer logic was centralized into downloadToLocal(), and both report() and withCsvStream() now invoke this method to ensure the CSV file is locally available before processing.

Changes

File(s) Change Summary
src/Migration/Sources/CSV.php Added $downloaded property; introduced downloadToLocal() method; refactored file transfer logic in report() and withCsvStream() to use the new method and flag.

Sequence Diagram(s)

sequenceDiagram
    participant User
    participant CSV
    participant Device

    User->>CSV: report() or withCsvStream()
    CSV->>CSV: downloadToLocal(Device, filePath)
    alt File not local and not downloaded
        CSV->>Device: Transfer file to local
        Device-->>CSV: File transferred
        CSV->>CSV: Set $downloaded = true
    else File already local or downloaded
        CSV->>CSV: Skip transfer
    end
    CSV->>CSV: Continue processing CSV file
Loading

Possibly related PRs

  • Download to local #83: Both PRs modify the CSV class in src/Migration/Sources/CSV.php to handle downloading the CSV file from a remote device to local storage before processing, with the main PR further centralizing this logic into a dedicated downloadToLocal() method and adding a $downloaded flag to avoid redundant downloads.

Poem

A CSV hops from far away,
The rabbit ensures it’s here to stay.
With $downloaded checked, and logic neat,
No more repeats—just a tidy feat.
Now files arrive with gentle grace,
In every migration, a smiling face! 🐇

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Actionable comments posted: 0

🧹 Nitpick comments (1)
src/Migration/Sources/CSV.php (1)

379-404: Consider optimizing device instantiation and clarifying file path assumptions.

The method logic is sound, but there are opportunities for improvement:

  1. Device instantiation: Creating new Device\Local('/') on each call could be extracted to a class property or method
  2. File path assumptions: Using the same $filePath for source and destination assumes identical directory structures
+    private ?Device $localDevice = null;
+
+    private function getLocalDevice(): Device
+    {
+        return $this->localDevice ??= new Device\Local('/');
+    }

     private function downloadToLocal(
         Device $device,
         string $filePath
     ): void {
         if ($this->downloaded
             || $device->getType() === Storage::DEVICE_LOCAL
         ) {
             return;
         }

         try {
             $success = $device->transfer(
                 $filePath,
                 $filePath,
-                new Device\Local('/'),
+                $this->getLocalDevice(),
             );
         } catch (\Exception $e) {
             $success = false;
         }

         if (!$success) {
             throw new \Exception('Failed to transfer CSV file from device to local storage.', previous: $e ?? null);
         }

         $this->downloaded = true;
     }
📜 Review details

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Review profile: CHILL
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📥 Commits

Reviewing files that changed from the base of the PR and between c850972 and 1fb3a0e.

📒 Files selected for processing (1)
  • src/Migration/Sources/CSV.php (4 hunks)
🧰 Additional context used
🪛 PHPMD (2.15.0)
src/Migration/Sources/CSV.php

64-64: Avoid unused parameters such as '$resources'. (Unused Code Rules)

(UnusedFormalParameter)

⏰ Context from checks skipped due to timeout of 90000ms (2)
  • GitHub Check: CodeQL
  • GitHub Check: Run Test Suite
🔇 Additional comments (3)
src/Migration/Sources/CSV.php (3)

33-33: LGTM: Clean state tracking implementation.

The boolean flag provides clear state tracking for download status and prevents redundant operations.


72-75: LGTM: Proper integration of centralized download logic.

The call to downloadToLocal() ensures the file is available locally before processing, which is the intended behavior.


327-332: LGTM: Guard check prevents redundant downloads.

The condition properly checks the download state before attempting transfer, optimizing performance by avoiding unnecessary operations.

@abnegate abnegate merged commit 0c85917 into main Jul 2, 2025
4 checks passed
@abnegate abnegate deleted the fix-storage branch July 2, 2025 18:31
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2 participants