Class: Insulin::Event

Inherits:
Hash
  • Object
show all
Defined in:
lib/insulin/event.rb

Overview

This class represents a single OnTrack event (BG, meds, etc)

Constant Summary collapse

@@units = 
{
  "glucose" => " mmol/L",
  "medication" => "x10^-5 L",
  "weight" => "kg",
  "exercise" => " minutes",
  "blood pressure" => " sp/df",
  "hba1c" => "%"
}
@@formats = 
{
  "glucose" => "%0.1f",
  "medication" => "%d",
  "weight" => "%0.1f",
  "exercise" => "%d",
  "blood pressure" => "%s",
  "hba1c" => "%0.1f",
}
@@cut_off_time =

An event before this time is considered part of the previous day. Because sometimes, we stay up late

"04:00"

Instance Method Summary collapse

Constructor Details

#initialize(h) ⇒ Event

We expect to be passed a hash



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# File 'lib/insulin/event.rb', line 33

def initialize h
  self.update h

  self["units"] = @@units[self["type"]]
  self["formatted_value_with_units"] = "#{@@formats[self['type']]}%s" % [
    self["value"],
    self["units"]
  ]
end

Instance Method Details

#save(mongo_handle) ⇒ Object

Save the event to Mongo via mongo_handle



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# File 'lib/insulin/event.rb', line 49

def save mongo_handle

# See above
  date_collection = self["date"]
  if self["time"] < @@cut_off_time
    date_collection = (Time.parse(self["date"]) - 86400).strftime "%F"
  end

  # Save to each of these collections
  clxns = [
    "events",
    self["type"],
    self["subtype"],
    date_collection
  ]

  clxns.each do |c|
    if c
      mongo_handle.db.collection(c).update(
        {
          "serial" => self["serial"]
        },
        self,
        {
          # Upsert: update if exists, otherwise insert
          :upsert => true
        }
      )
    end
  end
end

#simple ⇒ Object 



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# File 'lib/insulin/event.rb', line 81

def simple
  s = "%s | %-15s | %-14s | %-13s | %s" % [
    self["short_time"],
    self["tag"],
    self["type"],
    self["subtype"],
    self["formatted_value_with_units"]
  ]

  s
end

#simple? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/insulin/event.rb', line 43

def simple?
  ["breakfast", "lunch", "dinner", "bedtime"].include? self["tag"] and
      ["medication", "glucose"].include? self["type"]
end