15837688195

Committed 23 Jun 2025 11:55PM UTC coverage: 1.586% (+0.02%) from 1.566%

Build # 15837688195

Build Type

push

github

Committed by

web-flow

Commit Message

Format Code and Add Format Checks to CI (#643)

* Remove unused lib/generated/i18n.dart

* Use `fvm dart format .`

* Add contributing guidelines

* Enforce dart format

* Add `dart format off` directive to generated files

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/lib/barcode/camera_controller.dart

import "dart:math";
import "dart:typed_data";

import "package:camera/camera.dart";
import "package:flutter/material.dart";
import "package:flutter_speed_dial/flutter_speed_dial.dart";
import "package:flutter_tabler_icons/flutter_tabler_icons.dart";
import "package:inventree/app_colors.dart";
import "package:inventree/inventree/sentry.dart";
import "package:inventree/preferences.dart";
import "package:inventree/widget/snacks.dart";
import "package:mobile_scanner/mobile_scanner.dart";
import "package:one_context/one_context.dart";
import "package:wakelock_plus/wakelock_plus.dart";

import "package:inventree/l10.dart";

import "package:inventree/barcode/handler.dart";
import "package:inventree/barcode/controller.dart";

/*
 * Barcode controller which uses the device's camera to scan barcodes.
 * Under the hood it uses the qr_code_scanner package.
 */
class CameraBarcodeController extends InvenTreeBarcodeController {
  const CameraBarcodeController(BarcodeHandler handler, {Key? key})
    : super(handler, key: key);

  @override
  State<StatefulWidget> createState() => _CameraBarcodeControllerState();
}

class _CameraBarcodeControllerState extends InvenTreeBarcodeControllerState {
  _CameraBarcodeControllerState() : super();

  bool flash_status = false;

  int scan_delay = 500;
  bool single_scanning = false;
  bool scanning_paused = false;
  bool multiple_barcodes = false;

  String scanned_code = "";

  final MobileScannerController controller = MobileScannerController(
    autoZoom: true,
  );

  @override
  void initState() {
    super.initState();
    _loadSettings();
    WakelockPlus.enable();
  }

  @override
  void dispose() {
    super.dispose();
    WakelockPlus.disable();
  }

  /*
   * Load the barcode scanning settings
   */
  Future<void> _loadSettings() async {
    bool _single = await InvenTreeSettingsManager().getBool(
      INV_BARCODE_SCAN_SINGLE,
      false,
    );

    int _delay =
        await InvenTreeSettingsManager().getValue(INV_BARCODE_SCAN_DELAY, 500)
            as int;

    if (mounted) {
      setState(() {
        scan_delay = _delay;
        single_scanning = _single;
        scanning_paused = false;
      });
    }
  }

  @override
  Future<void> pauseScan() async {
    if (mounted) {
      setState(() {
        scanning_paused = true;
      });
    }
  }

  @override
  Future<void> resumeScan() async {
    controller.start();

    if (mounted) {
      setState(() {
        scanning_paused = false;
      });
    }
  }

  /*
   * Callback function when a barcode is scanned
   */
  Future<void> onScanSuccess(BarcodeCapture result) async {
    if (!mounted || scanning_paused) {
      return;
    }

    // TODO: Display outline of barcodes on the screen?

    if (result.barcodes.isEmpty) {
      setState(() {
        multiple_barcodes = false;
      });
    } else if (result.barcodes.length > 1) {
      setState(() {
        multiple_barcodes = true;
      });
      return;
    } else {
      setState(() {
        multiple_barcodes = false;
      });
    }

    Uint8List rawData = result.barcodes.first.rawBytes ?? Uint8List(0);

    String barcode;

    if (rawData.isNotEmpty) {
      final buffer = StringBuffer();

      for (int ii = 0; ii < rawData.length; ii++) {
        buffer.writeCharCode(rawData[ii]);
      }

      barcode = buffer.toString();

      print(barcode);
    } else {
      // Fall back to text value
      barcode = result.barcodes.first.rawValue ?? "";
    }

    if (barcode.isEmpty) {
      // TODO: Error message "empty barcode"
      return;
    }

    setState(() {
      scanned_code = barcode;
    });

    pauseScan();

    await handleBarcodeData(barcode).then((_) {
      if (!single_scanning && mounted) {
        resumeScan();
      }
    });

    resumeScan();

    if (mounted) {
      setState(() {
        scanned_code = "";
        multiple_barcodes = false;
      });
    }
  }

  void onControllerCreated(CameraController? controller, Exception? error) {
    if (error != null) {
      sentryReportError(
        "CameraBarcodeController.onControllerCreated",
        error,
        null,
      );
    }

    if (controller == null) {
      showSnackIcon(
        L10().cameraCreationError,
        icon: TablerIcons.camera_x,
        success: false,
      );

      if (OneContext.hasContext) {
        Navigator.pop(OneContext().context!);
      }
    }
  }

  Widget BarcodeOverlay(BuildContext context) {
    final Size screenSize = MediaQuery.of(context).size;
    final double width = screenSize.width;
    final double height = screenSize.height;

    final double D = min(width, height) * 0.8;

    // Color for the barcode scan?
    Color overlayColor = COLOR_ACTION;

    if (multiple_barcodes) {
      overlayColor = COLOR_DANGER;
    } else if (scanned_code.isNotEmpty) {
      overlayColor = COLOR_SUCCESS;
    } else if (scanning_paused) {
      overlayColor = COLOR_WARNING;
    }

    return Stack(
      children: [
        Center(
          child: Container(
            width: D,
            height: D,
            decoration: BoxDecoration(
              border: Border.all(color: overlayColor, width: 4),
            ),
          ),
        ),
      ],
    );
  }

  /*
   * Build the barcode reader widget
   */
  Widget BarcodeReader(BuildContext context) {
    final Size screenSize = MediaQuery.of(context).size;
    final double width = screenSize.width;
    final double height = screenSize.height;

    final double D = min(width, height) * 0.8;

    return MobileScanner(
      controller: controller,
      overlayBuilder: (context, constraints) {
        return BarcodeOverlay(context);
      },
      scanWindow: Rect.fromCenter(
        center: Offset(width / 2, height / 2),
        width: D,
        height: D,
      ),
      onDetect: (result) {
        onScanSuccess(result);
      },
    );
  }

  Widget topCenterOverlay() {
    return SafeArea(
      child: Align(
        alignment: Alignment.topCenter,
        child: Padding(
          padding: EdgeInsets.only(left: 10, right: 10, top: 75, bottom: 10),
          child: Text(
            widget.handler.getOverlayText(context),
            style: TextStyle(
              color: Colors.white,
              fontSize: 16,
              fontWeight: FontWeight.bold,
            ),
          ),
        ),
      ),
    );
  }

  Widget bottomCenterOverlay() {
    String info_text = scanning_paused
        ? L10().barcodeScanPaused
        : L10().barcodeScanPause;

    String text = scanned_code.isNotEmpty ? scanned_code : info_text;

    if (text.length > 50) {
      text = text.substring(0, 50) + "...";
    }

    return SafeArea(
      child: Align(
        alignment: Alignment.bottomCenter,
        child: Padding(
          padding: EdgeInsets.only(left: 10, right: 10, top: 10, bottom: 75),
          child: Text(
            text,
            textAlign: TextAlign.center,
            style: TextStyle(
              color: Colors.white,
              fontSize: 16,
              fontWeight: FontWeight.bold,
            ),
          ),
        ),
      ),
    );
  }

  Widget? buildActions(BuildContext context) {
    List<SpeedDialChild> actions = [
      SpeedDialChild(
        child: Icon(flash_status ? TablerIcons.bulb_off : TablerIcons.bulb),
        label: L10().toggleTorch,
        onTap: () async {
          controller.toggleTorch();
          if (mounted) {
            setState(() {
              flash_status = !flash_status;
            });
          }
        },
      ),
      SpeedDialChild(
        child: Icon(TablerIcons.camera),
        label: L10().switchCamera,
        onTap: () async {
          controller.switchCamera();
        },
      ),
    ];

    return SpeedDial(icon: Icons.more_horiz, children: actions);
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        backgroundColor: COLOR_APP_BAR,
        title: Text(L10().scanBarcode),
      ),
      floatingActionButton: buildActions(context),
      body: GestureDetector(
        onTap: () async {
          if (mounted) {
            setState(() {
              // Toggle the 'scan paused' state
              scanning_paused = !scanning_paused;
            });
          }
        },
        child: Stack(
          children: <Widget>[
            Column(children: [Expanded(child: BarcodeReader(context))]),
            topCenterOverlay(),
            bottomCenterOverlay(),
          ],
        ),
      ),
    );
  }
}

1	import "dart:math";
2	import "dart:typed_data";
3
4	import "package:camera/camera.dart";
5	import "package:flutter/material.dart";
6	import "package:flutter_speed_dial/flutter_speed_dial.dart";
7	import "package:flutter_tabler_icons/flutter_tabler_icons.dart";
8	import "package:inventree/app_colors.dart";
9	import "package:inventree/inventree/sentry.dart";
10	import "package:inventree/preferences.dart";
11	import "package:inventree/widget/snacks.dart";
12	import "package:mobile_scanner/mobile_scanner.dart";
13	import "package:one_context/one_context.dart";
14	import "package:wakelock_plus/wakelock_plus.dart";
15
16	import "package:inventree/l10.dart";
17
18	import "package:inventree/barcode/handler.dart";
19	import "package:inventree/barcode/controller.dart";
20
21	/*
22	* Barcode controller which uses the device's camera to scan barcodes.
23	* Under the hood it uses the qr_code_scanner package.
24	*/
25	class CameraBarcodeController extends InvenTreeBarcodeController {
26	const CameraBarcodeController(BarcodeHandler handler, {Key? key})	×
27	: super(handler, key: key);	×
28
29	@override	×
30	State<StatefulWidget> createState() => _CameraBarcodeControllerState();	×
31	}
32
33	class _CameraBarcodeControllerState extends InvenTreeBarcodeControllerState {
34	_CameraBarcodeControllerState() : super();	×
35
36	bool flash_status = false;
37
38	int scan_delay = 500;
39	bool single_scanning = false;
40	bool scanning_paused = false;
41	bool multiple_barcodes = false;
42
43	String scanned_code = "";
44
45	final MobileScannerController controller = MobileScannerController(
46	autoZoom: true,
47	);
48
49	@override	×
50	void initState() {
51	super.initState();	×
52	_loadSettings();	×
53	WakelockPlus.enable();	×
54	}
55
56	@override	×
57	void dispose() {
58	super.dispose();	×
59	WakelockPlus.disable();	×
60	}
61
62	/*
63	* Load the barcode scanning settings
64	*/
65	Future<void> _loadSettings() async {	×
66	bool _single = await InvenTreeSettingsManager().getBool(	×
67	INV_BARCODE_SCAN_SINGLE,
68	false,
69	);
70
71	int _delay =
72	await InvenTreeSettingsManager().getValue(INV_BARCODE_SCAN_DELAY, 500)	×
73	as int;
74
75	if (mounted) {	×
76	setState(() {	×
77	scan_delay = _delay;	×
78	single_scanning = _single;	×
79	scanning_paused = false;	×
80	});
81	}
82	}
83
84	@override	×
85	Future<void> pauseScan() async {
86	if (mounted) {	×
87	setState(() {	×
88	scanning_paused = true;	×
89	});
90	}
91	}
92
93	@override	×
94	Future<void> resumeScan() async {
95	controller.start();	×
96
97	if (mounted) {	×
98	setState(() {	×
99	scanning_paused = false;	×
100	});
101	}
102	}
103
104	/*
105	* Callback function when a barcode is scanned
106	*/
107	Future<void> onScanSuccess(BarcodeCapture result) async {	×
108	if (!mounted \|\| scanning_paused) {	×
109	return;
110	}
111
112	// TODO: Display outline of barcodes on the screen?
113
114	if (result.barcodes.isEmpty) {	×
115	setState(() {	×
116	multiple_barcodes = false;	×
117	});
118	} else if (result.barcodes.length > 1) {	×
119	setState(() {	×
120	multiple_barcodes = true;	×
121	});
122	return;
123	} else {
124	setState(() {	×
125	multiple_barcodes = false;	×
126	});
127	}
128
129	Uint8List rawData = result.barcodes.first.rawBytes ?? Uint8List(0);	×
130
131	String barcode;
132
133	if (rawData.isNotEmpty) {	×
134	final buffer = StringBuffer();	×
135
136	for (int ii = 0; ii < rawData.length; ii++) {	×
137	buffer.writeCharCode(rawData[ii]);	×
138	}
139
140	barcode = buffer.toString();	×
141
142	print(barcode);	×
143	} else {
144	// Fall back to text value
145	barcode = result.barcodes.first.rawValue ?? "";	×
146	}
147
148	if (barcode.isEmpty) {	×
149	// TODO: Error message "empty barcode"
150	return;
151	}
152
153	setState(() {	×
154	scanned_code = barcode;	×
155	});
156
157	pauseScan();	×
158
159	await handleBarcodeData(barcode).then((_) {	×
160	if (!single_scanning && mounted) {	×
161	resumeScan();	×
162	}
163	});
164
165	resumeScan();	×
166
167	if (mounted) {	×
168	setState(() {	×
169	scanned_code = "";	×
170	multiple_barcodes = false;	×
171	});
172	}
173	}
174
175	void onControllerCreated(CameraController? controller, Exception? error) {	×
176	if (error != null) {
177	sentryReportError(	×
178	"CameraBarcodeController.onControllerCreated",
179	error,
180	null,
181	);
182	}
183
184	if (controller == null) {
185	showSnackIcon(	×
186	L10().cameraCreationError,	×
187	icon: TablerIcons.camera_x,
188	success: false,
189	);
190
191	if (OneContext.hasContext) {	×
192	Navigator.pop(OneContext().context!);	×
193	}
194	}
195	}
196
197	Widget BarcodeOverlay(BuildContext context) {	×
198	final Size screenSize = MediaQuery.of(context).size;	×
199	final double width = screenSize.width;	×
200	final double height = screenSize.height;	×
201
202	final double D = min(width, height) * 0.8;	×
203
204	// Color for the barcode scan?
205	Color overlayColor = COLOR_ACTION;	×
206
207	if (multiple_barcodes) {	×
208	overlayColor = COLOR_DANGER;
209	} else if (scanned_code.isNotEmpty) {	×
210	overlayColor = COLOR_SUCCESS;
211	} else if (scanning_paused) {	×
212	overlayColor = COLOR_WARNING;
213	}
214
215	return Stack(	×
216	children: [	×
217	Center(	×
218	child: Container(	×
219	width: D,
220	height: D,
221	decoration: BoxDecoration(	×
222	border: Border.all(color: overlayColor, width: 4),	×
223	),
224	),
225	),
226	],
227	);
228	}
229
230	/*
231	* Build the barcode reader widget
232	*/
233	Widget BarcodeReader(BuildContext context) {	×
234	final Size screenSize = MediaQuery.of(context).size;	×
235	final double width = screenSize.width;	×
236	final double height = screenSize.height;	×
237
238	final double D = min(width, height) * 0.8;	×
239
240	return MobileScanner(	×
241	controller: controller,	×
242	overlayBuilder: (context, constraints) {	×
243	return BarcodeOverlay(context);	×
244	},
245	scanWindow: Rect.fromCenter(	×
246	center: Offset(width / 2, height / 2),	×
247	width: D,
248	height: D,
249	),
250	onDetect: (result) {	×
251	onScanSuccess(result);	×
252	},
253	);
254	}
255
256	Widget topCenterOverlay() {	×
257	return SafeArea(	×
258	child: Align(	×
259	alignment: Alignment.topCenter,
260	child: Padding(	×
261	padding: EdgeInsets.only(left: 10, right: 10, top: 75, bottom: 10),	×
262	child: Text(	×
263	widget.handler.getOverlayText(context),	×
264	style: TextStyle(	×
265	color: Colors.white,
266	fontSize: 16,
267	fontWeight: FontWeight.bold,
268	),
269	),
270	),
271	),
272	);
273	}
274
275	Widget bottomCenterOverlay() {	×
NEW 276	String info_text = scanning_paused	×
NEW 277	? L10().barcodeScanPaused	×
NEW 278	: L10().barcodeScanPause;	×
279
280	String text = scanned_code.isNotEmpty ? scanned_code : info_text;	×
281
282	if (text.length > 50) {	×
283	text = text.substring(0, 50) + "...";	×
284	}
285
286	return SafeArea(	×
287	child: Align(	×
288	alignment: Alignment.bottomCenter,
289	child: Padding(	×
290	padding: EdgeInsets.only(left: 10, right: 10, top: 10, bottom: 75),	×
291	child: Text(	×
292	text,
293	textAlign: TextAlign.center,
294	style: TextStyle(	×
295	color: Colors.white,
296	fontSize: 16,
297	fontWeight: FontWeight.bold,
298	),
299	),
300	),
301	),
302	);
303	}
304
305	Widget? buildActions(BuildContext context) {	×
306	List<SpeedDialChild> actions = [	×
307	SpeedDialChild(	×
308	child: Icon(flash_status ? TablerIcons.bulb_off : TablerIcons.bulb),	×
309	label: L10().toggleTorch,	×
310	onTap: () async {	×
311	controller.toggleTorch();	×
312	if (mounted) {	×
313	setState(() {	×
314	flash_status = !flash_status;	×
315	});
316	}
317	},
318	),
319	SpeedDialChild(	×
320	child: Icon(TablerIcons.camera),	×
321	label: L10().switchCamera,	×
322	onTap: () async {	×
323	controller.switchCamera();	×
324	},
325	),
326	];
327
328	return SpeedDial(icon: Icons.more_horiz, children: actions);	×
329	}
330
331	@override	×
332	Widget build(BuildContext context) {
333	return Scaffold(	×
334	appBar: AppBar(	×
335	backgroundColor: COLOR_APP_BAR,	×
336	title: Text(L10().scanBarcode),	×
337	),
338	floatingActionButton: buildActions(context),	×
339	body: GestureDetector(	×
340	onTap: () async {	×
341	if (mounted) {	×
342	setState(() {	×
343	// Toggle the 'scan paused' state
344	scanning_paused = !scanning_paused;	×
345	});
346	}
347	},
348	child: Stack(	×
349	children: <Widget>[	×
350	Column(children: [Expanded(child: BarcodeReader(context))]),	×
351	topCenterOverlay(),	×
352	bottomCenterOverlay(),	×
353	],
354	),
355	),
356	);
357	}
358	}

inventree / inventree-app / 15837688195

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