Merge pull request #2033 from pebl-hank/master

Drink counter Demo

apps/drinkcounter/ChangeLog

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+0.10: Initial release - still work in progress
+0.15: Added settings and calculations
+0.20: Added status saving

apps/drinkcounter/README.md

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+# Drink Counter
+
+Development still in progress. Counts drinks you had for science. Calculates BAC.
+
+## Usage
+
+Swipe left/right to select drink. Swipe up/down to add/remove drinks.
+
+
+## Creator
+
+Hank - contact at http://forum.espruino.com 

apps/drinkcounter/app.js

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+g.reset().clear();
+Bangle.loadWidgets();
+Bangle.drawWidgets();
+require("Font8x16").add(Graphics);
+
+const SETTINGSFILE = "drinkcounter.json";
+setting = require("Storage").readJSON("setting.json",1);
+E.setTimeZone(setting.timezone); // timezone = 1 for MEZ, = 2 for MESZ
+var _12hour = (require("Storage").readJSON("setting.json",1)||{})["12hour"]||false;
+var ampm = "AM";
+let drag;
+
+var icoBeer		 = require("heatshrink").decompress(atob("lEoxH+AG2BAAoecEpAoWC4fXAAIGGAAowTDxAmJE4YGGE5QeJE5QHHE7owJE0pQKE7pQJE86fnE5QJSE5YUHBAIJQYxIpFAAvGBBAJIExYoGDgIACBBApFExonCDYoAOFSAnbFJYnE6vVDYYFHAwakQE4YaFAoQGJEIYoME7QoEE7ogFE/4neTBgntY84n/E+7HUE64mDE8IAFEw4nDTBifIE9gmId7gALE5IGCAooGDE6gASE8yaME7gmOFIgAREqIAhA=="));
+var icoCocktail	 = require("heatshrink").decompress(atob("lEoxH+AH4AJtgABEkgmiEiXGAAIllAAiXeEAPXAQQDCFBYmTEgYqDFBZNWAIZRME6IfBEAYuEE5J2UwIAaJ5QncFBB3DB4YGCACQnKTQgoXE5bIEE6qfKPAZRFA4MUABgmNPAonBCgQnPExgpFPIgoNEyBSF4wGBFBgmSABCjJTZwoXEzwoHE0AoFE0QnCFAQmhKAonjFAInCE0Qn/E/4n/E/4n/wInDFEAhBEwQoDFLYdCEwooEFTAjHAAwoYIYgAMPDglT"));
+var icoShot		 = require("heatshrink").decompress(atob("lEoxH+AH4A/AH4A/AH4AqwIAgE+HXADRPME8ZQM5AnSZBQkGAAYngEYonfJA5QQE8zGJFAYfKFBwmKE4iYIE7rpIeYgAJE5woEEpQKHTxhQIIpJaHJxgn/E8zGQZBAnQYxxQRFQYnlFgon5FCYmDE6LjHZRQmPE5AAOE/4njFCTGQKCwmRKAgATE54oWEyAqTDZY"));
+var icoReset	 = require("heatshrink").decompress(atob("j0egILI8ACBh4DC/4DBh4DCv8f4ED8EPwEPEQMAvEAnkB4EA+AKBCAM8DYOA8EB//HwED/wXBg/wnAOC+EAjkDDoMgg+AJoRFCEIIAB/kHgEB/l8FwP/DYIDBC4MD/ASBgYeCAAw"));
+var drawTimeout;
+var activeDrink = 0;
+var drinks = [0,0,0];
+const maxDrinks = 2; // 3 drinks
+var firstDrinkTime = null;
+var firstDrinkTimeTime = null;
+
+var confBeerSize;
+var confSex;
+var confWeight;
+var confWeightUnit;
+
+
+// Load Status ===============
+var drinkStatus = require("Storage").open("drinkcounter.status.json", "r");
+var test = drinkStatus.read(drinkStatus.getLength());
+if(test!== undefined) {
+	drinkStatus = JSON.parse(test); 
+	//console.log("read status: " + test);
+	for (let i = 0; i <= maxDrinks; i++) {
+		drinks[i] = drinkStatus.drinks[i];
+	}	
+	firstDrinkTime = Date.parse(drinkStatus.firstDrinkTime);
+	//console.log("read firstDrinkTime: " + firstDrinkTime);
+	if (firstDrinkTime) firstDrinkTimeTime = require("locale").time(new Date(firstDrinkTime), 1);
+	//console.log("read firstDrinkTimeTime: " + firstDrinkTimeTime);
+} else { 
+    drinkStatus = {
+        drinks: [0,0,0]
+    };
+	//console.log("no status file - applying default");
+}
+// Load Status ===============
+
+
+var drinksAlcohol = [12,16,5.6]; // in gramm
+// Beer:		0.3L 12g 	- 0.5L 20g
+// Radler:		0.3L  6g 	- 0.5L 10g
+// Wine:		0.2L 16g
+// Jäger Shot:	0.02L 5.6g 
+
+// sex:			Women 60 - Men 70 (Percent)
+// Formula:		Alcohol in g /(Body weight in kg x sex) – (0,15 x Hours) = bac per mille
+// Example: 	5 	Beer (0.3L=12g), 80KG, 			Male (70%), 	5 hours
+// 				(5		*		12) / (80 / 100 * 	70) - (0.15 * 	5)
+
+function drawBac(){
+	if (firstDrinkTime) {
+		var sum_drinks = (drinks[0] * drinksAlcohol[0]) + (drinks[1] * drinksAlcohol[1]) + (drinks[2] * drinksAlcohol[2]);
+		
+		if (confSex == "male") {
+			sex = 70;
+		} else {
+			sex = 60;
+		}
+		var weight = confWeight;
+		
+		if (confWeightUnit == "US Pounds") {
+			weight = weight * 0.45359237;
+		}
+		var currentTime = new Date();
+		var time_diff = Math.floor(((currentTime - firstDrinkTime) % 86400000) / 3600000);  // in hours!
+		//console.log("currentTime:    " + currentTime)
+		//console.log("firstDrinkTime: " + firstDrinkTime)
+
+		//console.log("timediff: " + time_diff);
+		ebac = Math.round( ((sum_drinks) / (weight / 100 * sex) - (0.15 * time_diff)   )   * 100) / 100;
+
+		//console.log("BAC: " + ebac + " weight: " + confWeight + " weightInKilo: " + weight + " Unit: " + confWeightUnit);
+		//console.log("sum_drinks: " + sum_drinks);
+		g.clearRect(0,34 + 20 + 8,176,34 + 20 + 20 + 8); //Clear
+		g.setFontAlign(0,0).setFont("8x16").setColor(g.theme.fg).drawString("BAC: " + ebac, 90, 74);
+	}
+}
+
+
+// Load settings
+function loadMySettings() {
+	// Helper function default setting
+	function def (value, def) {return value !== undefined ? value : def;}
+
+	var settings = require('Storage').readJSON(SETTINGSFILE, true) || {};
+	confBeerSize = def(settings.beerSize, "0.3L");
+	confSex = def(settings.sex, "male");
+	confWeight = def(settings.weight, 80);
+	confWeightUnit = def(settings.weightUnit, "Kilo");
+	//console.log("Read config - weight: " + confWeight);	
+}
+
+
+function updateTime(){
+	var d = require("locale").time(new Date(), 1);
+	
+	//console.log(d);
+	var time = d.split(":");
+	var hours = time[0];
+	var minutes = time[1];
+	if (_12hour){
+		//do 12 hour stuff
+		if (hours > 12) {
+			ampm = "PM";
+			hours = hours - 12;	
+			if (hours < 10) hours = doublenum(hours);	
+		} else {
+			ampm = "AM";	 
+		} 		
+	} else {
+		ampm = "";
+	}	 
+	g.setBgColor(g.theme.bg).clearRect(0,24,176,44); //Clear
+	g.setFontAlign(0,0); // center font
+	g.setBgColor(g.theme.bg).setColor(g.theme.fg);
+	g.setFont("8x16").drawString("Time: " + hours + ":" + minutes + " " + ampm,90,34);
+	queueDrawTime();
+}
+
+function queueDrawTime() {
+	if (drawTimeout) clearTimeout(drawTimeout);
+		drawTimeout = setTimeout(function() {
+			drawTimeout = undefined;
+			updateTime();
+		}, 20000 - (Date.now() % 20000));
+}
+
+
+function updateDrinks(){
+	g.setBgColor(g.theme.bg).clearRect(0,145,176,176); //Clear
+	for (let i = 0; i <= maxDrinks; i++) {
+		if (i == activeDrink) {
+			g.setColor(g.theme.fg).fillRect((40 * (i + 1)) - 40 ,145,(40 * (i + 1)),176);
+			g.setColor(g.theme.bg);
+		} else {
+			g.setColor(g.theme.fg);
+		}
+		g.setFont("Vector",20).drawString(drinks[i], (40 * (i + 1)) - 20, 160);
+		g.setColor(g.theme.fg);
+		drinkStatus.drinks[i] = drinks[i];
+	} 
+
+	g.setBgColor(g.theme.bg).setColor(g.theme.fg);
+	g.drawImage(icoReset,145,145);
+	
+	drinkStatus.firstDrinkTime = firstDrinkTime; 
+	settings_file = require("Storage").open("drinkcounter.status.json", "w");
+	settings_file.write(JSON.stringify(drinkStatus)); 
+	
+	drawBac();
+}
+
+function updateFirstDrinkTime(){
+	if (firstDrinkTime){
+		g.setFont("8x16");
+		g.setFontAlign(0,0).drawString("1st drink @ " + firstDrinkTimeTime, 90, 34 + 20 );
+	}	
+}	
+
+function addDrink(){
+	if (!firstDrinkTime){
+		firstDrinkTime = new Date(); 
+		firstDrinkTimeTime = require("locale").time(new Date(), 1);
+		//console.log("init drinking! " + firstDrinkTime);
+	}	
+	drinks[activeDrink] = drinks[activeDrink] + 1;
+	updateFirstDrinkTime();
+	updateDrinks();
+}
+
+function removeDrink(){
+	if (drinks[activeDrink] > 0) drinks[activeDrink] = drinks[activeDrink] - 1;
+	updateDrinks();
+}
+
+function previousDrink(){
+	if (activeDrink > 0) activeDrink = activeDrink - 1;
+	updateDrinks();
+}
+
+function nextDrink(){
+	if (activeDrink < maxDrinks) activeDrink = activeDrink + 1;
+	updateDrinks();
+}
+
+function showDrinks() {
+	g.setBgColor(g.theme.bg);
+	g.drawImage(icoBeer,0,100);
+	g.drawImage(icoCocktail,40,100);
+	g.drawImage(icoShot,80,100);
+}
+
+function initDragEvents() {
+  Bangle.on("drag", e => {
+    if (!drag) { // start dragging
+      drag = {x: e.x, y: e.y};
+    } else if (!e.b) { // released
+      const dx = e.x-drag.x, dy = e.y-drag.y;
+      drag = null;
+      if (Math.abs(dx)>Math.abs(dy)+10) {
+        // horizontal
+		if (dx < dy) {
+			//console.log("left " + dx + " " + dy);
+			previousDrink();
+		} else {
+			//console.log("right " + dx + " " + dy);
+			nextDrink();
+		}
+      } else if (Math.abs(dy)>Math.abs(dx)+10) {
+        // vertical
+		if (dx < dy) {
+			//console.log("down " + dx + " " + dy);
+			removeDrink();
+		} else {
+			//console.log("up " + dx + " " + dy);
+			addDrink();
+		}
+    } else {
+		//console.log("tap " + e.x + " " + e.y);
+		if (e.x > 145 && e.y > 145) {
+			g.clearRect(0,34,176,176); //Clear
+			resetDrinks = E.showPrompt("Reset drinks?", {
+				title: "Confirm",
+				buttons: { Yes: true, No: false },
+			});
+			resetDrinks.then((confirm) => {
+				if (confirm) {
+					for (let i = 0; i <= maxDrinks; i++) {
+						drinks[i] = 0;
+					}
+					//console.log("reset to default");
+				}
+				//console.log("reset " + confirm);  
+				firstDrinkTime = null;
+				showDrinks();
+				updateDrinks();
+				updateTime();
+				updateFirstDrinkTime();
+			});
+		}
+	}
+  }
+});
+}
+
+loadMySettings();
+
+showDrinks();
+
+
+if (drawTimeout) clearTimeout(drawTimeout);
+drawTimeout = undefined;
+updateTime();
+queueDrawTime();
+initDragEvents();
+updateDrinks();
+updateFirstDrinkTime();
+ 

apps/drinkcounter/drinkcounter-icon.js

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+require("heatshrink").decompress(atob("mEwxH+AH4A/AH4A/AAWBAAomkFpAweD4fXAAIGGAAo4bExAuJF4YGGF6QmJF5QHHF8o4JF1pgSF7pgRF96/vF5QJSF6YcHBAIJQdyIxFAAvGBBAJIFyYwGEgIACBBAxFFyovCEYoAOGTAvbGKYvE6vVEYYFHAwbEYF4YiFAoQGJFIYwUF7QwEF8ooFF/4v2XBgv1d94v/F/7vsF64uDF9IAFFx4vDXBi/IF+guQR6wvCFSIvOAwQFFAwYvcACQvuXSgvcFywxEACItZAH4A/AH4AlA=="))

apps/drinkcounter/metadata.json

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+{
+  "id": "drinkcounter",
+  "name": "Drink Counter",
+  "shortName": "Drink Counter",
+  "version": "0.20",
+  "description": "Counts drinks you had for science. Calculates blood alcohol content (BAC)",
+  "allow_emulator":true,
+  "icon": "drinkcounter.png",
+  "type": "app",
+  "tags": "health",
+  "screenshots": [{"url":"screenshot_drnkcnt.png"}],
+  "supports": ["BANGLEJS2"],
+  "readme": "README.md",
+  "storage": [
+    {"name":"drinkcounter.app.js","url":"app.js"},
+    {"name":"drinkcounter.img","url":"drinkcounter-icon.js","evaluate":true},
+    {"name":"drinkcounter.settings.js","url":"settings.js"}
+  ],
+  "data": [
+    {"name":"drinkcounter.settings.json"},
+    {"name":"drinkcounter.json"},
+    {"name":"drinkcounter.status.json"}	
+  ]
+}

apps/drinkcounter/settings.js

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+(function(back) {
+  var FILE = "drinkcounter.json";
+  var settings = Object.assign({
+    secondsOnUnlock: false,
+  }, require('Storage').readJSON(FILE, true) || {});
+
+  function writeSettings() {
+    require('Storage').writeJSON(FILE, settings);
+  }
+
+  // Helper method which uses int-based menu item for set of string values
+  function stringItems(startvalue, writer, values) {
+    return {
+      value: (startvalue === undefined ? 0 : values.indexOf(startvalue)),
+      format: v => values[v],
+      min: 0,
+      max: values.length - 1,
+      wrap: true,
+      step: 1,
+      onchange: v => {
+        writer(values[v]);
+        writeSettings();
+      }
+    };
+  }
+
+  // Helper method which breaks string set settings down to local settings object
+  function stringInSettings(name, values) {
+    return stringItems(settings[name], v => settings[name] = v, values);
+  }
+
+  var mainmenu = {
+    "": {
+      "title": "Drink counter"
+    },
+    "< Back": () => back(),
+
+    "Beer size": stringInSettings("beerSize", ["0.3L", "0.5L"]),	
+
+
+	"Sex": stringInSettings("sex", ["male", "female"]),
+	
+    'Weight': {
+      value: 80|settings.weight,
+      min: 40, max: 500,
+      onchange: v => {
+        settings.weight = v;
+        writeSettings();
+      }
+    },
+    "Weight unit": stringInSettings("weightUnit", ["Kilo", "US Pounds"])
+
+	
+  };
+
+  E.showMenu(mainmenu);
+
+});