2020-09-04 18:02:20 +00:00
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// display text based local forecast
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/* globals WeatherDisplay, utils, STATUS, UNITS, draw, navigation*/
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// eslint-disable-next-line no-unused-vars
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class LocalForecast extends WeatherDisplay {
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2020-09-08 19:39:17 +00:00
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constructor(navId,elemId) {
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2020-09-08 03:48:10 +00:00
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super(navId,elemId, 'Local Forecast');
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2020-09-04 18:02:20 +00:00
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// set timings
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2020-09-06 01:01:13 +00:00
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this.timing.baseDelay= 5000;
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2020-09-04 18:02:20 +00:00
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// pre-load background image (returns promise)
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this.backgroundImage = utils.image.load('images/BackGround1_1.png');
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}
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async getData(weatherParameters) {
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2020-09-25 14:55:29 +00:00
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super.getData(weatherParameters);
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if (!weatherParameters) weatherParameters = this.weatherParameters;
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2020-09-04 18:02:20 +00:00
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// get raw data
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const rawData = await this.getRawData(weatherParameters);
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2020-09-09 20:23:19 +00:00
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// check for data
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if (!rawData) {
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this.setStatus(STATUS.failed);
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return;
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}
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2020-09-04 18:02:20 +00:00
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// parse raw data
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const conditions = this.parseLocalForecast(rawData);
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// split this forecast into the correct number of screens
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2020-09-25 00:38:53 +00:00
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const maxRows = 7;
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const maxCols = 32;
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2020-09-04 18:02:20 +00:00
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this.screenTexts = [];
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// read each text
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conditions.forEach(condition => {
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// process the text
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let text = condition.DayName.toUpperCase() + '...';
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let conditionText = condition.Text;
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if (navigation.units() === UNITS.metric) {
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conditionText = condition.TextC;
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}
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text += conditionText.toUpperCase().replace('...', ' ');
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2020-09-25 00:38:53 +00:00
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text = utils.string.wordWrap(text, maxCols, '\n');
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const lines = text.split('\n');
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const lineCount = lines.length;
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2020-09-04 18:02:20 +00:00
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let ScreenText = '';
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2020-09-25 00:38:53 +00:00
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const maxRowCount = maxRows;
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let rowCount = 0;
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2020-09-04 18:02:20 +00:00
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// if (PrependAlert) {
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// ScreenText = LocalForecastScreenTexts[LocalForecastScreenTexts.length - 1];
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2020-09-25 00:38:53 +00:00
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// rowCount = ScreenText.split('\n').length - 1;
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2020-09-04 18:02:20 +00:00
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// }
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2020-09-25 00:38:53 +00:00
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for (let i = 0; i <= lineCount - 1; i++) {
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if (lines[i] === '') continue;
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2020-09-04 18:02:20 +00:00
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2020-09-25 00:38:53 +00:00
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if (rowCount > maxRowCount - 1) {
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2020-09-04 18:02:20 +00:00
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// if (PrependAlert) {
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// LocalForecastScreenTexts[LocalForecastScreenTexts.length - 1] = ScreenText;
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// PrependAlert = false;
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// } else {
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this.screenTexts.push(ScreenText);
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// }
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ScreenText = '';
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2020-09-25 00:38:53 +00:00
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rowCount = 0;
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2020-09-04 18:02:20 +00:00
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}
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2020-09-25 00:38:53 +00:00
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ScreenText += lines[i] + '\n';
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rowCount++;
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2020-09-04 18:02:20 +00:00
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}
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// if (PrependAlert) {
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// this.screenTexts[this.screenTexts.length - 1] = ScreenText;
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// PrependAlert = false;
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// } else {
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this.screenTexts.push(ScreenText);
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// }
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});
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this.timing.totalScreens = this.screenTexts.length;
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2020-09-13 04:49:51 +00:00
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this.calcNavTiming();
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2020-09-09 20:23:19 +00:00
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this.setStatus(STATUS.loaded);
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2020-09-04 18:02:20 +00:00
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}
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// get the unformatted data (also used by extended forecast)
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async getRawData(weatherParameters) {
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// request us or si units
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let units = 'us';
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if (navigation.units() === UNITS.metric) units = 'si';
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try {
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2020-10-02 02:35:49 +00:00
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return await utils.fetch.json(weatherParameters.forecast, {
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2020-09-04 18:02:20 +00:00
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data: {
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units,
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},
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});
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} catch (e) {
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console.error(`GetWeatherForecast failed: ${weatherParameters.forecast}`);
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2020-09-23 16:49:15 +00:00
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console.error(e.status, e.responseJSON);
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2020-09-09 19:29:03 +00:00
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this.setStatus(STATUS.failed);
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2020-09-04 18:02:20 +00:00
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return false;
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}
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}
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// TODO: alerts needs a cleanup
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// TODO: second page of screenTexts when needed
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async drawCanvas() {
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super.drawCanvas();
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this.context.drawImage(await this.backgroundImage, 0, 0);
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draw.horizontalGradientSingle(this.context, 0, 30, 500, 90, draw.topColor1, draw.topColor2);
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draw.triangle(this.context, 'rgb(28, 10, 87)', 500, 30, 450, 90, 500, 90);
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draw.horizontalGradientSingle(this.context, 0, 90, 52, 399, draw.sideColor1, draw.sideColor2);
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draw.horizontalGradientSingle(this.context, 584, 90, 640, 399, draw.sideColor1, draw.sideColor2);
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draw.titleText(this.context, 'Local ', 'Forecast');
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// clear existing text
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draw.box(this.context, 'rgb(33, 40, 90)', 65, 105, 505, 280);
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// Draw the text.
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this.screenTexts[this.screenIndex].split('\n').forEach((text, index) => {
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draw.text(this.context, 'Star4000', '24pt', '#FFFFFF', 75, 140+40*index, text, 2);
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});
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this.finishDraw();
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}
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// format the forecast
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parseLocalForecast (forecast) {
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// only use the first 6 lines
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return forecast.properties.periods.slice(0,6).map(text => ({
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// format day and text
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DayName: text.name.toUpperCase(),
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Text: text.detailedForecast,
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}));
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}
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}
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