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rshlin wants to merge 3 commits into from
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HW0 #5

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6e6f2c8
init
Feb 14, 2016
86b565c
HW0
rshlin Feb 26, 2016
a5a2a3b
HW0
rshlin Feb 26, 2016
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33 changes: 33 additions & 0 deletions src/main/java/ru/javawebinar/topjava/model/UserMeal.java
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package ru.javawebinar.topjava.model;

import java.time.LocalDateTime;

/**
* GKislin
* 11.01.2015.
*/
public class UserMeal {
protected final LocalDateTime dateTime;

protected final String description;

protected final int calories;

public UserMeal(LocalDateTime dateTime, String description, int calories) {
this.dateTime = dateTime;
this.description = description;
this.calories = calories;
}

public LocalDateTime getDateTime() {
return dateTime;
}

public String getDescription() {
return description;
}

public int getCalories() {
return calories;
}
}
24 changes: 24 additions & 0 deletions src/main/java/ru/javawebinar/topjava/model/UserMealWithExceed.java
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package ru.javawebinar.topjava.model;

import java.time.LocalDateTime;

/**
* GKislin
* 11.01.2015.
*/
public class UserMealWithExceed {
protected final LocalDateTime dateTime;

protected final String description;

protected final int calories;

protected final boolean exceed;

public UserMealWithExceed(LocalDateTime dateTime, String description, int calories, boolean exceed) {
this.dateTime = dateTime;
this.description = description;
this.calories = calories;
this.exceed = exceed;
}
}
13 changes: 13 additions & 0 deletions src/main/java/ru/javawebinar/topjava/util/TimeUtil.java
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package ru.javawebinar.topjava.util;

import java.time.LocalTime;

/**
* GKislin
* 07.01.2015.
*/
public class TimeUtil {
public static boolean isBetween(LocalTime lt, LocalTime startTime, LocalTime endTime) {
return lt.compareTo(startTime) >= 0 && lt.compareTo(endTime) <= 0;
}
}
51 changes: 51 additions & 0 deletions src/main/java/ru/javawebinar/topjava/util/UserMealsUtil.java
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package ru.javawebinar.topjava.util;

import ru.javawebinar.topjava.model.UserMeal;
import ru.javawebinar.topjava.model.UserMealWithExceed;

import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.Month;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import java.util.stream.Stream;


/**
* GKislin
* 31.05.2015.
*/
public class UserMealsUtil {
public static void main(String[] args) {
List<UserMeal> mealList = Arrays.asList(
new UserMeal(LocalDateTime.of(2015, Month.MAY, 30, 10, 0), "Завтрак", 500),
new UserMeal(LocalDateTime.of(2015, Month.MAY, 30, 13, 0), "Обед", 1000),
new UserMeal(LocalDateTime.of(2015, Month.MAY, 30, 20, 0), "Ужин", 500),
new UserMeal(LocalDateTime.of(2015, Month.MAY, 31, 10, 0), "Завтрак", 1000),
new UserMeal(LocalDateTime.of(2015, Month.MAY, 31, 13, 0), "Обед", 500),
new UserMeal(LocalDateTime.of(2015, Month.MAY, 31, 20, 0), "Ужин", 510)
);
List<UserMealWithExceed> exceeded = getFilteredMealsWithExceeded(mealList, LocalTime.of(7, 0), LocalTime.of(12, 0), 2000);
System.out.println(exceeded.toString());
// .toLocalDate();
// .toLocalTime();
}

public static List<UserMealWithExceed> getFilteredMealsWithExceeded(List<UserMeal> mealList, LocalTime startTime, LocalTime endTime, int caloriesPerDay) {
Map<LocalDate, Integer> consumedCaloriesPerDay = mealList.stream().collect(Collectors.groupingBy(userMeal -> userMeal.getDateTime().toLocalDate(), Collectors.summingInt(UserMeal::getCalories)));

return mealList.stream()
.filter(meal -> TimeUtil.isBetween(meal.getDateTime().toLocalTime(), startTime, endTime))
.map(userMeal -> new UserMealWithExceed(
userMeal.getDateTime(),
userMeal.getDescription(),
userMeal.getCalories(),
consumedCaloriesPerDay.get(userMeal.getDateTime().toLocalDate()) > caloriesPerDay))
.collect(Collectors.toList());

}
}