Preparing for HW0

src/main/java/ru/javawebinar/topjava/model/UserMeal.java

@@ -0,0 +1,28 @@
+package ru.javawebinar.topjava.model;
+
+import java.time.LocalDateTime;
+
+public class UserMeal {
+
+    private final LocalDateTime dateTime;
+    private final String description;
+    private 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;
+    }
+}

src/main/java/ru/javawebinar/topjava/model/UserMealWithExcess.java

@@ -0,0 +1,28 @@
+package ru.javawebinar.topjava.model;
+
+import java.time.LocalDateTime;
+
+public class UserMealWithExcess {
+
+    private final LocalDateTime dateTime;
+    private final String description;
+    private final int calories;
+    private final boolean excess;
+
+    public UserMealWithExcess(LocalDateTime dateTime, String description, int calories, boolean excess) {
+        this.dateTime = dateTime;
+        this.description = description;
+        this.calories = calories;
+        this.excess = excess;
+    }
+
+    @Override
+    public String toString() {
+        return "UserMealWithExcess{" +
+                "dateTime=" + dateTime +
+                ", description='" + description + '\'' +
+                ", calories=" + calories +
+                ", excess=" + excess +
+                '}';
+    }
+}

src/main/java/ru/javawebinar/topjava/util/TimeUtil.java

@@ -0,0 +1,10 @@
+package ru.javawebinar.topjava.util;
+
+import java.time.LocalTime;
+
+public class TimeUtil {
+
+    public static boolean isBetweenHalfOpen(LocalTime lt, LocalTime startTime, LocalTime endTime) {
+        return lt.compareTo(startTime) >= 0 && lt.compareTo(endTime) < 0;
+    }
+}

src/main/java/ru/javawebinar/topjava/util/UserMealsUtil.java

@@ -0,0 +1,40 @@
+package ru.javawebinar.topjava.util;
+
+import ru.javawebinar.topjava.model.UserMeal;
+import ru.javawebinar.topjava.model.UserMealWithExcess;
+
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+import java.time.Month;
+import java.util.Arrays;
+import java.util.List;
+
+public class UserMealsUtil {
+
+    public static void main(String[] args) {
+        List<UserMeal> meals = Arrays.asList(
+                new UserMeal(LocalDateTime.of(2020, Month.JANUARY, 30, 10, 0), "Завтрак", 500),
+                new UserMeal(LocalDateTime.of(2020, Month.JANUARY, 30, 13, 0), "Обед", 1000),
+                new UserMeal(LocalDateTime.of(2020, Month.JANUARY, 30, 20, 0), "Ужин", 500),
+                new UserMeal(LocalDateTime.of(2020, Month.JANUARY, 31, 0, 0), "Еда на граничное значение", 100),
+                new UserMeal(LocalDateTime.of(2020, Month.JANUARY, 31, 10, 0), "Завтрак", 1000),
+                new UserMeal(LocalDateTime.of(2020, Month.JANUARY, 31, 13, 0), "Обед", 500),
+                new UserMeal(LocalDateTime.of(2020, Month.JANUARY, 31, 20, 0), "Ужин", 410)
+        );
+
+        List<UserMealWithExcess> mealsTo = filteredByCycles(meals, LocalTime.of(7, 0), LocalTime.of(12, 0), 2000);
+        mealsTo.forEach(System.out::println);
+
+//        System.out.println(filteredByStreams(meals, LocalTime.of(7, 0), LocalTime.of(12, 0), 2000));
+    }
+
+    public static List<UserMealWithExcess> filteredByCycles(List<UserMeal> meals, LocalTime startTime, LocalTime endTime, int caloriesPerDay) {
+        // TODO return filtered list with excess. Implement by cycles
+        return null;
+    }
+
+    public static List<UserMealWithExcess> filteredByStreams(List<UserMeal> meals, LocalTime startTime, LocalTime endTime, int caloriesPerDay) {
+        // TODO Implement by streams
+        return null;
+    }
+}