Wip/bwp improvements

lib/plugins/boluswizardpreview.js

@@ -3,6 +3,7 @@
 var _ = require('lodash');
 var levels = require('../levels');
 var times = require('../times');
+var CONST_60_MINUTES_IN_MS = 3600000;
 
 function init() {
 
@@ -124,7 +125,20 @@ function init() {
     results.effect = iob * profile.getSensitivity(sbx.time);
     results.outcome = scaled - results.effect;
     var delta = 0;
+
+    var timeSinceLastMeal = 1000000000;
+    var now = (new Date).getTime();
 
+    for (var i = 0; i < sbx.data.treatments.length; i++) {
+      var treatment = sbx.data.treatments[i];
+      var delta = now - treatment.mills;
+      if (delta < timeSinceLastMeal) { timeSinceLastMeal = delta;}
+	}
+
+	results.timeSinceLastMeal = timeSinceLastMeal;
+	results.mealEatenRecently = false;
+	if (timeSinceLastMeal < CONST_60_MINUTES_IN_MS) { results.mealEatenRecently = true; }
+
     var target_high = profile.getHighBGTarget(sbx.time);
     var sens = profile.getSensitivity(sbx.time);
 
@@ -137,6 +151,11 @@ function init() {
 
     var target_low = profile.getLowBGTarget(sbx.time);
 
+	results.belowLowTarget = false;
+	if (scaled < target_low) {
+	  results.belowLowTarget = true;
+	}
+
     if (results.outcome < target_low) {
       delta = Math.abs(results.outcome - target_low);
       results.bolusEstimate = delta / sens * -1;
@@ -197,6 +216,7 @@ function pushInfo(prop, info, sbx) {
     });
   } else if (prop) {
     info.push({label: 'Insulin on Board', value: prop.displayIOB + 'U'});
+    info.push({label: 'Current target', value: 'Low: '+sbx.data.profile.getLowBGTarget(sbx.time) + ' High: ' + sbx.data.profile.getHighBGTarget(sbx.time)});
     info.push({label: 'Sensitivity', value: '-' + sbx.data.profile.getSensitivity(sbx.time) + ' ' + sbx.settings.units + '/U'});
     info.push({label: 'Expected effect', value: prop.displayIOB + ' x -' + sbx.data.profile.getSensitivity(sbx.time) + ' = -' + prop.effectDisplay + ' ' + sbx.settings.units});
     info.push({label: 'Expected outcome', value: sbx.lastScaledSGV() + '-' + prop.effectDisplay + ' = ' + prop.outcomeDisplay + ' ' + sbx.settings.units});
@@ -205,7 +225,20 @@ function pushInfo(prop, info, sbx) {
       var carbEquivalent = Math.ceil(Math.abs(sbx.data.profile.getCarbRatio() * prop.bolusEstimateDisplay));
       info.unshift({label: 'Carb Equivalent', value: prop.bolusEstimateDisplay + 'U * ' + sbx.data.profile.getCarbRatio() + ' = ' + carbEquivalent + 'g'});
       info.unshift({label: 'Current Carb Ratio', value: '1U / ' + sbx.data.profile.getCarbRatio() + ' g'});
-      info.unshift({label: '-BWP', value: prop.bolusEstimateDisplay + 'U, maybe covered by carbs?'});
+
+      if (prop.mealEatenRecently) info.unshift({label: 'Meal eaten recently', value: 'excess IOB is probably your meal bolus?'});
+
+      if (!prop.belowLowTarget) {
+        info.unshift({label: '-BWP', value: 'Excess insulin equivalent ' + prop.bolusEstimateDisplay + 'U more than needed to reach low target, not account for carbs'});
+      }
+
+      if (prop.belowLowTarget) {
+        if (prop.iob > 0) {
+          info.unshift({label: '-BWP', value: 'Excess insulin equivalent ' + prop.bolusEstimateDisplay + 'U more than needed to reach low target, MAKE SURE IOB IS COVERED BY CARBS'});
+        } else {
+          info.unshift({label: '-BWP', value: prop.bolusEstimateDisplay + 'U reduction needed in active insulin to reach low target, too much basal?'});
+        }
+      }
     }
   } else {
     info.push({label: 'Notice', value: 'required info missing'});

lib/websocket.js

@@ -30,7 +30,7 @@ function init (env, ctx, server) {
 
   function emitData (delta) {
     if (lastData.cals) {
-      console.log('running websocket.emitData', ctx.data.lastUpdated, delta.recentsgvs && delta.sgvdataupdate.length);
+      console.log('running websocket.emitData', ctx.data.lastUpdated);
       io.emit('dataUpdate', delta);
     }
   }