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feat: add csv output support, refactor files const

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lucasroyerdev
2026-01-19 10:00:00 +01:00
parent 049a8d08cb
commit cca2183e3d
6 changed files with 85 additions and 37 deletions
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39
app/src/main/java/com/stock/pignon/CartActionHelper.java
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@@ -116,40 +116,47 @@ public class CartActionHelper {
}
/**
* Merges current cart items with the existing stock file on the SD Card.
* Merges current cart items with the existing stock file (json and csv) on the SD Card.
*/
private static void saveCartToExternalFile(List<CartItem> cartItems) {
File dir = new File(Environment.getExternalStorageDirectory(), Config.EXTERNAL_DIR_NAME);
File stockFile = new File(dir, Config.STOCK_FILE_NAME);
File stockFile = new File(dir, Config.OUPUT_JSON_NAME);
File csvFile = new File(dir, Config.OUPUT_CSV_NAME);
Gson gson = new Gson();
Map<String, Integer> stockMap;
// Load previous list
Map<String, Integer> stockMap = loadExistingStock(stockFile, gson);
// Load data into a Map (Key: Item Name, Value: Total Quantity)
stockMap = loadExistingStock(stockFile, gson);
// Merge with new items from current cart
// Add current cart item
for (CartItem item : cartItems) {
// Get previous quantity
Integer qtyObj = stockMap.get(item.getName());
int currentQty = (qtyObj != null) ? qtyObj : 0;
// Add
stockMap.put(item.getName(), currentQty + item.getQuantity());
}
// Overwrite the file with updated data
// Needs WRITE_EXTERNAL_STORAGE permission
// Save to JSON
try (FileOutputStream fos = new FileOutputStream(stockFile);
@SuppressWarnings("CharsetObjectCanBeUsed")
OutputStreamWriter writer = new OutputStreamWriter(fos, "UTF-8")) {
// Writing directly to the stream
gson.toJson(stockMap, writer);
Log.i(TAG, "Stock updated successfully at: " + stockFile.getAbsolutePath());
} catch (Exception e) {
Log.e(TAG, "Failed to write stock file", e);
}
// Save to CSV, french format with ";"
try (FileOutputStream fos = new FileOutputStream(csvFile);
OutputStreamWriter writer = new OutputStreamWriter(fos, "UTF-8")) {
// UTF-8 BOM and columns headers
writer.write('\ufeff');
writer.write("Article;Quantité\n");
for (Map.Entry<String, Integer> entry : stockMap.entrySet()) {
writer.write(entry.getKey().replace(";", ",") + ";" + entry.getValue() + "\n");
}
Log.i(TAG, "CSV Export updated successfully");
} catch (Exception e) {
Log.e(TAG, "Failed to write CSV file", e);
}
}
/**