target_bg preference (#1358)

* deprecate/remove support for max_bg and wide_bg_target_range

* support target_bg in preferences.json

* populate target_bg from preferences.json to profile.json

* allow target_bg to override profile schedule in simulator

bin/oref0-simulator.sh

@@ -27,7 +27,11 @@ function init {
 function main {
 
     # look up the currently active bg_target based on the current clock.json
-    target=$((cat profile.json | jq -r '.bg_targets.targets[] | [.start, .min_bg] | @csv'; echo -n \"; cat clock.json | awk -F T '{print $2}') | sort | grep -B1 '\"$' | head -1 | awk -F , '{print $2}')
+    if grep target_bg profile.json; then
+        target=$(jq .target_bg profile.json)
+    else
+        target=$((cat profile.json | jq -r '.bg_targets.targets[] | [.start, .min_bg] | @csv'; echo -n \"; cat clock.json | awk -F T '{print $2}') | sort | grep -B1 '\"$' | head -1 | awk -F , '{print $2}')
+    fi
     if ! [ -z "$target" ]; then
         cat profile.json | jq ". | .min_bg=$target | .max_bg=$target" > profile.json.new
         echo setting target to $target

lib/profile/index.js

@@ -64,6 +64,7 @@ function defaults ( ) {
     // TODO: make maxRaw a preference here usable by oref0-raw in myopenaps-cgm-loop
     //, maxRaw: 200 // highest raw/noisy CGM value considered safe to use for looping
     , calc_glucose_noise: false
+    , target_bg: false // set to an integer value in mg/dL to override pump min_bg
   };
 }
 

lib/profile/targets.js

@@ -21,6 +21,10 @@ function lookup (inputs, profile) {
         }
     }
 
+    if (profile.target_bg) {
+        bgTargets.low = profile.target_bg;
+    }
+
     bgTargets.high = bgTargets.low;
 
     var tempTargets = bgTargets;