Java tutorial
/* * Copyright (C) 2016 Glucosio Foundation * * This file is part of Glucosio. * * Glucosio is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, version 3. * * Glucosio is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Glucosio. If not, see <http://www.gnu.org/licenses/>. * * */ package org.glucosio.android.presenter; import org.glucosio.android.R; import org.glucosio.android.db.CholesterolReading; import org.glucosio.android.db.DatabaseHandler; import org.glucosio.android.db.GlucoseReading; import org.glucosio.android.db.HB1ACReading; import org.glucosio.android.db.KetoneReading; import org.glucosio.android.db.PressureReading; import org.glucosio.android.db.WeightReading; import org.glucosio.android.object.A1cEstimate; import org.glucosio.android.object.IntGraphObject; import org.glucosio.android.tools.GlucosioConverter; import org.glucosio.android.tools.TipsManager; import org.glucosio.android.view.OverviewView; import org.joda.time.DateTime; import org.joda.time.Days; import org.joda.time.format.DateTimeFormat; import org.joda.time.format.DateTimeFormatter; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Collections; import java.util.Comparator; import java.util.List; import java.util.Random; public class OverviewPresenter { private DatabaseHandler dB; private OverviewView view; private List<Integer> glucoseReadingsWeek; private List<Integer> glucoseReadingsMonth; private List<String> glucoseDatetimeWeek; private List<String> glucoseDatetimeMonth; private List<GlucoseReading> glucoseReadings; private List<IntGraphObject> glucoseGraphObjects; private int glucoseMinValue = 0; private int glucoseMaxValue = 0; public OverviewPresenter(OverviewView view, DatabaseHandler dB) { this.dB = dB; this.view = view; } public boolean isdbEmpty() { return dB.getGlucoseReadings().size() == 0; } public void loadDatabase(boolean isNewGraphEnabled) { this.glucoseReadings = dB.getGlucoseReadings(); this.glucoseGraphObjects = generateGlucoseGraphPoints(isNewGraphEnabled); this.glucoseReadingsMonth = dB.getAverageGlucoseReadingsByMonth(); this.glucoseReadingsWeek = dB.getAverageGlucoseReadingsByWeek(); this.glucoseDatetimeWeek = dB.getGlucoseDatetimesByWeek(); this.glucoseDatetimeMonth = dB.getGlucoseDatetimesByMonth(); this.glucoseMaxValue = dB.getUser(1).getCustom_range_max(); this.glucoseMinValue = dB.getUser(1).getCustom_range_min(); } public String convertDate(String date) { return view.convertDate(date); } public String getHB1AC() { // Check if last month is available first if (getGlucoseReadingsMonth().size() > 1) { if ("percentage".equals(dB.getUser(1).getPreferred_unit_a1c())) { return GlucosioConverter .glucoseToA1C(getGlucoseReadingsMonth().get(getGlucoseReadingsMonth().size() - 2)) + " %"; } else { return GlucosioConverter .a1cNgspToIfcc(GlucosioConverter .glucoseToA1C(getGlucoseReadingsMonth().get(getGlucoseReadingsMonth().size() - 2))) + " mmol/mol"; } } else { return view.getString(R.string.overview_hb1ac_error_no_data); } } public boolean isA1cAvailable(int depth) { return getGlucoseReadingsMonth().size() > depth; } public ArrayList<A1cEstimate> getA1cEstimateList() { ArrayList<A1cEstimate> a1cEstimateList = new ArrayList<>(); // We don't take this month because A1C is incomplete for (int i = 0; i < getGlucoseReadingsMonth().size() - 1; i++) { double value = GlucosioConverter.glucoseToA1C(getGlucoseReadingsMonth().get(i)); String month = convertDateToMonth(getGlucoseDatetimeMonth().get(i)); a1cEstimateList.add(new A1cEstimate(value, month)); } Collections.reverse(a1cEstimateList); return a1cEstimateList; } public String getA1cMonth() { // Check if last month is available first if (getGlucoseReadingsMonth().size() > 1) { return convertDateToMonth(getGlucoseDatetimeMonth().get(getGlucoseDatetimeMonth().size() - 2)) + ""; } else { return " "; } } public String getLastReading() { return dB.getLastGlucoseReading().getReading() + ""; } public String getLastDateTime() { java.text.DateFormat inputFormat = new SimpleDateFormat("yyyy-MM-dd"); return inputFormat.format(dB.getLastGlucoseReading().getCreated()); } public String getRandomTip(TipsManager manager) { ArrayList<String> tips = manager.getTips(); // Get random tip from array int randomNumber = new Random().nextInt(tips.size()); return tips.get(randomNumber); } public String getUnitMeasuerement() { return dB.getUser(1).getPreferred_unit(); } public int getUserAge() { return dB.getUser(1).getAge(); } public List<Integer> getGlucoseReadings() { ArrayList<Integer> glucoseReadings = new ArrayList<>(); for (int i = 0; i < glucoseGraphObjects.size(); i++) { glucoseReadings.add(glucoseGraphObjects.get(i).getReading()); } return glucoseReadings; } public ArrayList<Double> getA1cReadings() { final List<HB1ACReading> a1cReadings = dB.getHB1ACReadings(); ArrayList<Double> finalArrayList = new ArrayList<>(); for (int i = 0; i < a1cReadings.size(); i++) { finalArrayList.add(a1cReadings.get(i).getReading()); } return finalArrayList; } public ArrayList<String> getA1cReadingsDateTime() { return dB.getHB1ACDateTimeAsArray(); } public ArrayList<Double> getKetonesReadings() { final List<KetoneReading> ketoneReadings = dB.getKetoneReadings(); ArrayList<Double> finalArrayList = new ArrayList<>(); for (int i = 0; i < ketoneReadings.size(); i++) { finalArrayList.add(ketoneReadings.get(i).getReading()); } return finalArrayList; } public ArrayList<String> getKetonesReadingsDateTime() { return dB.getKetoneDateTimeAsArray(); } public ArrayList<Integer> getWeightReadings() { final List<WeightReading> weightReadings = dB.getWeightReadings(); ArrayList<Integer> finalArrayList = new ArrayList<>(); for (int i = 0; i < weightReadings.size(); i++) { finalArrayList.add(weightReadings.get(i).getReading()); } return finalArrayList; } public ArrayList<String> getWeightReadingsDateTime() { return dB.getWeightReadingDateTimeAsArray(); } public ArrayList<Integer> getMinPressureReadings() { final List<PressureReading> pressureReadings = dB.getPressureReadings(); ArrayList<Integer> finalArrayList = new ArrayList<>(); for (int i = 0; i < pressureReadings.size(); i++) { finalArrayList.add(pressureReadings.get(i).getMinReading()); } return finalArrayList; } public ArrayList<Integer> getMaxPressureReadings() { final List<PressureReading> pressureReadings = dB.getPressureReadings(); ArrayList<Integer> finalArrayList = new ArrayList<>(); for (int i = 0; i < pressureReadings.size(); i++) { finalArrayList.add(pressureReadings.get(i).getMaxReading()); } return finalArrayList; } public ArrayList<String> getPressureReadingsDateTime() { return dB.getPressureDateTimeAsArray(); } public ArrayList<Integer> getCholesterolReadings() { final List<CholesterolReading> cholesterolReadings = dB.getCholesterolReadings(); ArrayList<Integer> finalArrayList = new ArrayList<>(); for (int i = 0; i < cholesterolReadings.size(); i++) { finalArrayList.add(cholesterolReadings.get(i).getTotalReading()); } return finalArrayList; } public ArrayList<String> getCholesterolReadingsDateTime() { return dB.getCholesterolDateTimeAsArray(); } private List<IntGraphObject> generateGlucoseGraphPoints(boolean isNewGraphEnabled) { final ArrayList<IntGraphObject> finalGraphObjects = new ArrayList<>(); if (isNewGraphEnabled) { DateTime minDateTime = DateTime.now().minusMonths(1).minusDays(15); final List<GlucoseReading> glucoseReadings = dB.getLastMonthGlucoseReadings(); Collections.sort(glucoseReadings, new Comparator<GlucoseReading>() { public int compare(GlucoseReading o1, GlucoseReading o2) { return o1.getCreated().compareTo(o2.getCreated()); } }); DateTime startDate = glucoseReadings.size() > 0 ? minDateTime : DateTime.now(); // Transfer values from database to ArrayList as GlucoseGraphObjects for (int i = 0; i < glucoseReadings.size(); i++) { final GlucoseReading reading = glucoseReadings.get(i); final DateTime createdDate = new DateTime(reading.getCreated()); //add zero values between current value and last added value addZeroReadings(finalGraphObjects, startDate, createdDate); //add new value finalGraphObjects.add(new IntGraphObject(createdDate, reading.getReading())); //update start date startDate = createdDate; } //add last zeros till now addZeroReadings(finalGraphObjects, startDate, DateTime.now()); } else { Collections.sort(glucoseReadings, new Comparator<GlucoseReading>() { public int compare(GlucoseReading o1, GlucoseReading o2) { return o1.getCreated().compareTo(o2.getCreated()); } }); for (int i = 0; i < glucoseReadings.size(); i++) { GlucoseReading glucoseReading = glucoseReadings.get(i); finalGraphObjects.add( new IntGraphObject(new DateTime(glucoseReading.getCreated()), glucoseReading.getReading())); } } return finalGraphObjects; } private void addZeroReadings(final ArrayList<IntGraphObject> graphObjects, final DateTime firstDate, final DateTime lastDate) { int daysBetween = Days.daysBetween(firstDate, lastDate).getDays(); for (int i = 1; i < daysBetween; i++) { graphObjects.add(new IntGraphObject(firstDate.plusDays(i), 0)); } } public ArrayList<String> getGraphGlucoseDateTime() { ArrayList<String> glucoseDatetime = new ArrayList<>(); DateTimeFormatter dateTimeFormatter = DateTimeFormat.forPattern("yyyy-MM-dd HH:mm"); for (int i = 0; i < glucoseGraphObjects.size(); i++) { glucoseDatetime.add(dateTimeFormatter.print(glucoseGraphObjects.get(i).getCreated())); } return glucoseDatetime; } public List<Integer> getGlucoseReadingsWeek() { return glucoseReadingsWeek; } public List<Integer> getGlucoseReadingsMonth() { return glucoseReadingsMonth; } public List<String> getGlucoseDatetimeWeek() { return glucoseDatetimeWeek; } public List<String> getGlucoseDatetimeMonth() { return glucoseDatetimeMonth; } public String convertDateToMonth(String s) { return view.convertDateToMonth(s); } public int getGlucoseMinValue() { return glucoseMinValue; } public int getGlucoseMaxValue() { return glucoseMaxValue; } }