improve qr-code-scanner
This commit is contained in:
Timo Volkmann
parent
3c884dcd90
commit
41d0cb028a
158
frontend/src/components/qrscanner.vue
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158
frontend/src/components/qrscanner.vue
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@ -0,0 +1,158 @@
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<template>
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<div>
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<div class="q-ma-md" v-if="askForPermission">
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<p>Um den QR-Code scannen zu können, müssen Sie den Zugriff auf Ihre Kamera erlauben.</p>
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<q-btn @click="toggleCamera(!activateCamera)" :loading="loading" unelevated color="positive" stack
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icon="photo_camera"
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label="QR-Code scannen" class="full-width"/>
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</div>
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<div v-if="activateCamera">
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<qrcode-drop-zone @decode="onDecode" @init="logErrors">
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<qrcode-stream :paused="paused" @decode="onDecode" @init="onInit">
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<div v-if="validating" >
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<div class="light-dimmed fit">
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</div>
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<q-spinner-oval
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class="absolute-center"
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color="primary"
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size="10em"
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/>
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</div>
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</qrcode-stream>
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</qrcode-drop-zone>
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</div>
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<qrcode-capture v-if="noStreamApiSupport" @decode="onDecode"/>
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</div>
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</template>
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<script>
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export default {
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name: 'qrscanner',
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data() {
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return {
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askForPermission: true,
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activateCamera: false,
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isValid: false,
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validating: false,
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loading: false,
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paused: false,
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result: null,
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params: null,
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noStreamApiSupport: false
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}
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},
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methods: {
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async onDecode(content) {
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this.result = content;
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this.pauseCamera();
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this.validating = true;
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this.isValid = await this.validate();
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this.validating = false;
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this.unPauseCamera();
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// window.setTimeout(() => {
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// this.unPauseCamera();
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// }, 2000)
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},
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validate() {
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return new Promise(resolve => {
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let params = this.setParams();
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if (!params.cacheID || !params.stationID || !params.durchgefuehrterCacheID) {
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console.log(params);
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console.log("Parameter konnten nicht erkannt werden.");
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resolve(false)
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} else {
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this.$axios.get('/api/checkStation', {params})
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.then((response) => {
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console.log("resolve(true)");
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console.log("cache access definition");
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console.log(response.data.cacheAccesDefinition);
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resolve(true);
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if (Number(response.data.cacheAccesDefinition.id) === 0) {
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this.$router.push({path: `/station/${params.cacheID}/${params.stationID}`});
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} else if (Number(response.data.cacheAccesDefinition.id) === 1) {
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this.$router.push({path: `/CacheEnd/${params.cacheID}`});
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}
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}).catch((error) => {
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console.log("resolve(false)");
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// Error
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let msg;
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let title;
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if (error.response) {
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// The request was made and the server responded with a status code
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title = "Problem with response!";
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msg = error.response.data.message
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? error.response.data.message
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: error.response.data;
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} else if (error.request) {
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// The request was made but no response was received
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title = "Problem with request!";
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msg = "Der Server antwortet nicht."
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console.log(error.request);
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} else {
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// Something happened in setting up the request that triggered an Error
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title = "Error";
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msg = error.message;
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console.log('Error', error.message.data);
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}
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console.log(error.config);
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this.$store.commit('dialog/NEW_MESSAGE_DIALOG', {message: msg, title: title,});
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resolve(false);
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});
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}
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})
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},
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setParams() {
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console.log("setParams: ");
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let params = {};
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params.cacheID = this.result.split('/')[0];
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params.stationID = this.result.split('/')[1];
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params.durchgefuehrterCacheID = params.cacheID;
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console.log(params.cacheID + " und " + params.stationID);
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if (localStorage.getItem('userToken')) {
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params.token = JSON.parse(localStorage.getItem('userToken')).token;
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}
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return params;
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},
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pauseCamera() {
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this.paused = true
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},
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unPauseCamera() {
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this.paused = false
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},
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toggleCamera(bool) {
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this.activateCamera = bool
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},
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logErrors(promise) {
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promise.catch(console.error)
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},
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async onInit(promise) {
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this.loading = true;
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try {
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await promise
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} catch (error) {
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if (error.name === 'StreamApiNotSupportedError') {
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this.noStreamApiSupport = true
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}
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} finally {
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this.loading = false;
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this.askForPermission = false;
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}
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}
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},
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}
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</script>
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<style>
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</style>
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@ -30,6 +30,7 @@
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color="primary"
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class="full-width"
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@click="login"
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@keyup.enter="login"
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unelevated
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>
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<template v-slot:loading>
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@ -1,5 +1,5 @@
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<template>
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<div >
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<div>
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<div class="q-ma-md" v-if="askForPermission">
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<p>Um den QR-Code scannen zu können, müssen Sie den Zugriff auf Ihre Kamera erlauben.</p>
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@ -28,7 +28,7 @@
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<script>
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export default {
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//name: 'qrscanner',
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name: 'qrscanner',
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data() {
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return {
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askForPermission: true,
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@ -62,43 +62,49 @@
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validate() {
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return new Promise(resolve => {
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let params = this.setParams();
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this.$axios.get('/api/checkStation', {params})
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.then((response) => {
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console.log("resolve(true)");
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console.log("cache access definition");
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console.log(response.data.cacheAccesDefinition);
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resolve(true);
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if (Number(response.data.cacheAccesDefinition.id) === 0) {
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this.$router.push({path: `/station/${params.cacheID}/${params.stationID}`});
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} else if (Number(response.data.cacheAccesDefinition.id) === 1) {
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this.$router.push({path: `/CacheEnd/${params.cacheID}`});
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if (!params.cacheID || !params.stationID || !params.durchgefuehrterCacheID) {
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console.log(params);
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console.log("Parameter konnten nicht erkannt werden.");
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resolve(false)
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} else {
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this.$axios.get('/api/checkStation', {params})
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.then((response) => {
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console.log("resolve(true)");
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console.log("cache access definition");
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console.log(response.data.cacheAccesDefinition);
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resolve(true);
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if (Number(response.data.cacheAccesDefinition.id) === 0) {
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this.$router.push({path: `/station/${params.cacheID}/${params.stationID}`});
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} else if (Number(response.data.cacheAccesDefinition.id) === 1) {
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this.$router.push({path: `/CacheEnd/${params.cacheID}`});
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}
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}).catch((error) => {
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console.log("resolve(false)");
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// Error
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let msg;
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let title;
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if (error.response) {
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// The request was made and the server responded with a status code
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title = "Problem with response!";
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msg = error.response.data.message
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? error.response.data.message
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: error.response.data;
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} else if (error.request) {
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// The request was made but no response was received
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title = "Problem with request!";
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msg = "Der Server antwortet nicht."
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console.log(error.request);
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} else {
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// Something happened in setting up the request that triggered an Error
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title = "Error";
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msg = error.message;
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console.log('Error', error.message.data);
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}
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}).catch((error) => {
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console.log("resolve(false)");
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// Error
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let msg;
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let title;
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if (error.response) {
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// The request was made and the server responded with a status code
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title = "Problem with response!";
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msg = error.response.data.message
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? error.response.data.message
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: error.response.data;
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} else if (error.request) {
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// The request was made but no response was received
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title = "Problem with request!";
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msg = "Der Server antwortet nicht."
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console.log(error.request);
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} else {
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// Something happened in setting up the request that triggered an Error
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title = "Error";
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msg = error.message;
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console.log('Error', error.message.data);
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}
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console.log(error.config);
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this.$store.commit('dialog/NEW_MESSAGE_DIALOG', {message: msg, title: title,});
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resolve(false);
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});
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console.log(error.config);
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this.$store.commit('dialog/NEW_MESSAGE_DIALOG', {message: msg, title: title,});
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resolve(false);
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});
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}
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})
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},
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