12275919744

Committed 11 Dec 2024 12:01PM UTC coverage: 8.518% (-0.03%) from 8.545%

Build # 12275919744

Build Type

push

github

Committed by

web-flow

Commit Message

Merge pull request #575 from inventree/receive-location

Receive location

Run Details

3 of 61 new or added lines in 25 files covered. (4.92%)

11 existing lines in 5 files now uncovered.

723 of 8488 relevant lines covered (8.52%)

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0.0

/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_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:one_context/one_context.dart";
import "package:wakelock_plus/wakelock_plus.dart";
import "package:flutter_zxing/flutter_zxing.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;

  String scanned_code = "";

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

  /*
   * Callback function when a barcode is scanned
   */
  void _onScanSuccess(Code? code) {

    if (scanning_paused) {
      return;
    }

    Uint8List raw_data = code?.rawBytes ?? Uint8List(0);

    // Reconstruct barcode from raw data
    String barcode;

    if (raw_data.isNotEmpty) {
      barcode = "";

      final buffer = StringBuffer();

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

      barcode = buffer.toString();

    } else {
      barcode = code?.text ?? "";
    }

    if (mounted) {
      setState(() {
        scanned_code = barcode;
        scanning_paused = barcode.isNotEmpty;
      });
    }

    if (barcode.isNotEmpty) {

      handleBarcodeData(barcode).then((_) {
        if (!single_scanning && mounted) {
          // Resume next scan
          setState(() {
            scanning_paused = 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!);
      }
    }
  }

  /*
   * Build the barcode scanner overlay
   */
  FixedScannerOverlay BarcodeOverlay(BuildContext context) {

    // Note: Copied from reader_widget.dart:ReaderWidget.build
    final Size size = MediaQuery.of(context).size;
    final double cropSize = min(size.width, size.height) * 0.5;

    return FixedScannerOverlay(
      borderColor: scanning_paused ? COLOR_WARNING : COLOR_ACTION,
      overlayColor: Colors.black45,
      borderRadius: 1,
      borderLength: 15,
      borderWidth: 8,
      cutOutSize: cropSize,
    );
  }

  /*
   * Build the barcode reader widget
   */
  Widget BarcodeReader(BuildContext context) {

    return ReaderWidget(
      onScan: _onScanSuccess,
      isMultiScan: false,
      tryHarder: true,
      tryInverted: true,
      tryRotate: true,
      showGallery: false,
      onControllerCreated: onControllerCreated,
      scanDelay: Duration(milliseconds: scan_delay),
      resolution: ResolutionPreset.high,
      lensDirection: CameraLensDirection.back,
      flashOnIcon: const Icon(Icons.flash_on),
      flashOffIcon: const Icon(Icons.flash_off),
      toggleCameraIcon: const Icon(TablerIcons.camera_rotate),
      actionButtonsBackgroundBorderRadius:
      BorderRadius.circular(40),
      scannerOverlay: BarcodeOverlay(context),
      actionButtonsBackgroundColor: Colors.black.withOpacity(0.7),
    );
  }

  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
              )
          ),
        )
      )
    );
  }


  /*
   *  Display an overlay at the bottom right of the screen
   */
  Widget bottomRightOverlay() {
    return SafeArea(
        child: Align(
            alignment: Alignment.bottomRight,
            child: Padding(
                padding: EdgeInsets.all(10),
                child: ClipRRect(
                    borderRadius: BorderRadius.circular(40),
                    child: ColoredBox(
                        color: Colors.black45,
                        child: Row(
                            mainAxisSize: MainAxisSize.min,
                            children: scanning_paused ? [] : [
                              CircularProgressIndicator(
                                  value: null
                              )
                              // actionIcon,
                            ]
                        )
                    )
                )
            )
        )
    );
  }

  @override
  Widget build(BuildContext context) {

    return Scaffold(
      appBar: AppBar(
        backgroundColor: COLOR_APP_BAR,
        title: Text(L10().scanBarcode),
      ),
      body: GestureDetector(
        onTap: () async {
          setState(() {
            scanning_paused = !scanning_paused;
          });
        },
        child: Stack(
          children: <Widget>[
            Column(
              children: [
                Expanded(
                    child: BarcodeReader(context)
                ),
              ],
            ),
            topCenterOverlay(),
            bottomCenterOverlay(),
            bottomRightOverlay(),
          ],
        ),
      ),
    );
  }

}

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_tabler_icons/flutter_tabler_icons.dart";
7	import "package:inventree/app_colors.dart";
8	import "package:inventree/inventree/sentry.dart";
9	import "package:inventree/preferences.dart";
10	import "package:inventree/widget/snacks.dart";
11	import "package:one_context/one_context.dart";
12	import "package:wakelock_plus/wakelock_plus.dart";
13	import "package:flutter_zxing/flutter_zxing.dart";
14
15	import "package:inventree/l10.dart";
16
17	import "package:inventree/barcode/handler.dart";
18	import "package:inventree/barcode/controller.dart";
19
20	/*
21	* Barcode controller which uses the device's camera to scan barcodes.
22	* Under the hood it uses the qr_code_scanner package.
23	*/
24	class CameraBarcodeController extends InvenTreeBarcodeController {
25	const CameraBarcodeController(BarcodeHandler handler, {Key? key})	×
26	: super(handler, key: key);	×
27
28	@override	×
29	State<StatefulWidget> createState() => _CameraBarcodeControllerState();	×
30	}
31
32	class _CameraBarcodeControllerState extends InvenTreeBarcodeControllerState {
33	_CameraBarcodeControllerState() : super();	×
34
35	bool flash_status = false;
36
37	int scan_delay = 500;
38	bool single_scanning = false;
39	bool scanning_paused = false;
40
41	String scanned_code = "";
42
43	@override	×
44	void initState() {
45	super.initState();	×
46	_loadSettings();	×
47	WakelockPlus.enable();	×
48	}
49
50	@override	×
51	void dispose() {
52	super.dispose();	×
53	WakelockPlus.disable();	×
54	}
55
56	/*
57	* Load the barcode scanning settings
58	*/
59	Future<void> _loadSettings() async {	×
60	bool _single = await InvenTreeSettingsManager()	×
61	.getBool(INV_BARCODE_SCAN_SINGLE, false);	×
62
63	int _delay = await InvenTreeSettingsManager()	×
64	.getValue(INV_BARCODE_SCAN_DELAY, 500) as int;	×
65
66	if (mounted) {	×
67	setState(() {	×
68	scan_delay = _delay;	×
69	single_scanning = _single;	×
70	scanning_paused = false;	×
71	});
72	}
73	}
74
75	@override	×
76	Future<void> pauseScan() async {
77	if (mounted) {	×
78	setState(() {	×
79	scanning_paused = true;	×
80	});
81	}
82	}
83
84	@override	×
85	Future<void> resumeScan() async {
86	if (mounted) {	×
87	setState(() {	×
88	scanning_paused = false;	×
89	});
90	}
91	}
92
93	/*
94	* Callback function when a barcode is scanned
95	*/
96	void _onScanSuccess(Code? code) {	×
97
98	if (scanning_paused) {	×
99	return;
100	}
101
102	Uint8List raw_data = code?.rawBytes ?? Uint8List(0);	×
103
104	// Reconstruct barcode from raw data
105	String barcode;
106
107	if (raw_data.isNotEmpty) {	×
108	barcode = "";
109
110	final buffer = StringBuffer();	×
111
112	for (int i = 0; i < raw_data.length; i++) {	×
113	buffer.writeCharCode(raw_data[i]);	×
114	}
115
116	barcode = buffer.toString();	×
117
118	} else {
119	barcode = code?.text ?? "";	×
120	}
121
122	if (mounted) {	×
123	setState(() {	×
124	scanned_code = barcode;	×
125	scanning_paused = barcode.isNotEmpty;	×
126	});
127	}
128
129	if (barcode.isNotEmpty) {	×
130
131	handleBarcodeData(barcode).then((_) {	×
132	if (!single_scanning && mounted) {	×
133	// Resume next scan
134	setState(() {	×
135	scanning_paused = false;	×
136	});
137	}
138	});
139	}
140	}
141
NEW 142	void onControllerCreated(CameraController? controller, Exception? error) {	×
143	if (error != null) {
NEW 144	sentryReportError(	×
145	"CameraBarcodeController.onControllerCreated",
146	error,
147	null
148	);
149	}
150
151	if (controller == null) {
NEW 152	showSnackIcon(	×
NEW 153	L10().cameraCreationError,	×
154	icon: TablerIcons.camera_x,
155	success: false
156	);
157
NEW 158	if (OneContext.hasContext) {	×
NEW 159	Navigator.pop(OneContext().context!);	×
160	}
161	}
162	}
163
164	/*
165	* Build the barcode scanner overlay
166	*/
167	FixedScannerOverlay BarcodeOverlay(BuildContext context) {	×
168
169	// Note: Copied from reader_widget.dart:ReaderWidget.build
170	final Size size = MediaQuery.of(context).size;	×
171	final double cropSize = min(size.width, size.height) * 0.5;	×
172
173	return FixedScannerOverlay(	×
174	borderColor: scanning_paused ? COLOR_WARNING : COLOR_ACTION,	×
175	overlayColor: Colors.black45,
176	borderRadius: 1,
177	borderLength: 15,
178	borderWidth: 8,
179	cutOutSize: cropSize,
180	);
181	}
182
183	/*
184	* Build the barcode reader widget
185	*/
186	Widget BarcodeReader(BuildContext context) {	×
187
188	return ReaderWidget(	×
189	onScan: _onScanSuccess,	×
190	isMultiScan: false,
191	tryHarder: true,
192	tryInverted: true,
193	tryRotate: true,
194	showGallery: false,
NEW 195	onControllerCreated: onControllerCreated,	×
UNCOV 196	scanDelay: Duration(milliseconds: scan_delay),	×
197	resolution: ResolutionPreset.high,
198	lensDirection: CameraLensDirection.back,
199	flashOnIcon: const Icon(Icons.flash_on),
200	flashOffIcon: const Icon(Icons.flash_off),
201	toggleCameraIcon: const Icon(TablerIcons.camera_rotate),
202	actionButtonsBackgroundBorderRadius:
203	BorderRadius.circular(40),	×
204	scannerOverlay: BarcodeOverlay(context),	×
205	actionButtonsBackgroundColor: Colors.black.withOpacity(0.7),	×
206	);
207	}
208
209	Widget topCenterOverlay() {	×
210	return SafeArea(	×
211	child: Align(	×
212	alignment: Alignment.topCenter,
213	child: Padding(	×
NEW 214	padding: EdgeInsets.only(	×
215	left: 10,
216	right: 10,
217	top: 75,
218	bottom: 10
219	),
220	child: Text(	×
221	widget.handler.getOverlayText(context),	×
222	style: TextStyle(	×
223	color: Colors.white,
224	fontSize: 16,
225	fontWeight: FontWeight.bold
226	)
227	)
228	)
229	)
230	);
231	}
232
233	Widget bottomCenterOverlay() {	×
234
235	String info_text = scanning_paused ? L10().barcodeScanPaused : L10().barcodeScanPause;	×
236
237	String text = scanned_code.isNotEmpty ? scanned_code : info_text;	×
238
239	if (text.length > 50) {	×
240	text = text.substring(0, 50) + "...";	×
241	}
242
243	return SafeArea(	×
244	child: Align(	×
245	alignment: Alignment.bottomCenter,
246	child: Padding(	×
NEW 247	padding: EdgeInsets.only(	×
248	left: 10,
249	right: 10,
250	top: 10,
251	bottom: 75
252	),
UNCOV 253	child: Text(	×
254	text,
255	textAlign: TextAlign.center,
256	style: TextStyle(	×
257	color: Colors.white,
258	fontSize: 16,
259	fontWeight: FontWeight.bold
260	)
261	),
262	)
263	)
264	);
265	}
266
267
268	/*
269	* Display an overlay at the bottom right of the screen
270	*/
271	Widget bottomRightOverlay() {	×
272	return SafeArea(	×
273	child: Align(	×
274	alignment: Alignment.bottomRight,
275	child: Padding(	×
276	padding: EdgeInsets.all(10),	×
277	child: ClipRRect(	×
278	borderRadius: BorderRadius.circular(40),	×
279	child: ColoredBox(	×
280	color: Colors.black45,
281	child: Row(	×
282	mainAxisSize: MainAxisSize.min,
283	children: scanning_paused ? [] : [	×
284	CircularProgressIndicator(	×
285	value: null
286	)
287	// actionIcon,
288	]
289	)
290	)
291	)
292	)
293	)
294	);
295	}
296
297	@override	×
298	Widget build(BuildContext context) {
299
300	return Scaffold(	×
301	appBar: AppBar(	×
302	backgroundColor: COLOR_APP_BAR,	×
303	title: Text(L10().scanBarcode),	×
304	),
305	body: GestureDetector(	×
306	onTap: () async {	×
307	setState(() {	×
308	scanning_paused = !scanning_paused;	×
309	});
310	},
311	child: Stack(	×
312	children: <Widget>[	×
313	Column(	×
314	children: [	×
315	Expanded(	×
316	child: BarcodeReader(context)	×
317	),
318	],
319	),
320	topCenterOverlay(),	×
321	bottomCenterOverlay(),	×
322	bottomRightOverlay(),	×
323	],
324	),
325	),
326	);
327	}
328
329	}

inventree / inventree-app / 12275919744

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