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dyhj625 2025-04-11 10:18:55 +09:00
parent a2d57166fc
commit 18cf7d1a62
1 changed files with 70 additions and 42 deletions
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104
src/main/java/io/company/localhost/controller/common/WeatherController.java
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@ -1,5 +1,9 @@
package io.company.localhost.controller.common; package io.company.localhost.controller.common;
import java.time.Duration;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.HashMap; import java.util.HashMap;
import java.util.List; import java.util.List;
@ -65,60 +69,84 @@ public class WeatherController {
JsonNode nodeData = objectMapper.readTree(jsonData); JsonNode nodeData = objectMapper.readTree(jsonData);
JsonNode forecastList = nodeData.get("list"); JsonNode forecastList = nodeData.get("list");
// 날짜별로 데이터 그룹화 // 현재 날짜 및 시간 계산
LocalDate today = LocalDate.now();
LocalDateTime nowTime = LocalDateTime.now();
DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
// 날짜별 데이터를 그룹화
Map<String, List<String>> dailyWeathers = new HashMap<>(); Map<String, List<String>> dailyWeathers = new HashMap<>();
Map<String, List<String>> dailyDescriptions = new HashMap<>(); Map<String, List<String>> dailyDescriptions = new HashMap<>();
Map<String, List<String>> dailyIcons = new HashMap<>(); Map<String, List<String>> dailyIcons = new HashMap<>();
// 오늘 예보 중 가장 가까운 예보 저장 변수
JsonNode closestForecastToday = null;
long minDiff = Long.MAX_VALUE;
// forecastList를 순회하며 데이터를 그룹화하고, 오늘의 경우 가장 가까운 forecast 선택
for (JsonNode forecast : forecastList) { for (JsonNode forecast : forecastList) {
String date = forecast.get("dt_txt").asText().split(" ")[0]; //날짜 추출 String dtTxt = forecast.get("dt_txt").asText();
String date = dtTxt.split(" ")[0]; // 날짜 추출 (예: "2025-04-04")
JsonNode weather = forecast.get("weather").get(0); JsonNode weather = forecast.get("weather").get(0);
String mainWeather = weather.get("main").asText(); String mainWeather = weather.get("main").asText();
String description = weather.get("description").asText(); String description = weather.get("description").asText();
String icon = weather.get("icon").asText(); String icon = weather.get("icon").asText();
if (!dailyWeathers.containsKey(date)) { // 해당 날짜의 리스트에 추가 (map이 없으면 생성)
dailyWeathers.put(date, new ArrayList<>()); dailyWeathers.computeIfAbsent(date, k -> new ArrayList<>()).add(mainWeather);
dailyDescriptions.put(date, new ArrayList<>()); dailyDescriptions.computeIfAbsent(date, k -> new ArrayList<>()).add(description);
dailyIcons.put(date, new ArrayList<>()); dailyIcons.computeIfAbsent(date, k -> new ArrayList<>()).add(icon);
}
dailyWeathers.get(date).add(mainWeather); // 오늘 날짜의 forecast라면 현재 시간과의 차이 계산
dailyDescriptions.get(date).add(description); if (date.equals(today.toString())) {
dailyIcons.get(date).add(icon); LocalDateTime forecastTime = LocalDateTime.parse(dtTxt, formatter);
} long diff = Math.abs(Duration.between(forecastTime, nowTime).toMillis());
if (diff < minDiff) {
// 각 날짜별 대표 날씨 결정 (가장 빈번한 날씨 상태) minDiff = diff;
List<WeatherVo> dailyWeatherList = new ArrayList<>(); closestForecastToday = forecast;
for (String date : dailyWeathers.keySet()) {
List<String> weathers = dailyWeathers.get(date);
List<String> descriptions = dailyDescriptions.get(date);
List<String> icons = dailyIcons.get(date);
// 가장 빈번한 날씨 찾기(카운팅)
Map<String, Integer> weatherCounts = new HashMap<>();
for (String w : weathers) {
weatherCounts.put(w, weatherCounts.getOrDefault(w, 0) + 1);
}
String mainWeather = "";
int maxCount = 0;
for (Map.Entry<String, Integer> entry : weatherCounts.entrySet()) {
if (entry.getValue() > maxCount) {
maxCount = entry.getValue();
mainWeather = entry.getKey();
} }
} }
}
// 평균값 계산 // 최종적으로 각 날짜의 대표 날씨 결정
int mainWeatherIndex = weathers.indexOf(mainWeather); List<WeatherVo> dailyWeatherList = new ArrayList<>();
String description = descriptions.get(mainWeatherIndex); for (String date : dailyWeathers.keySet()) {
String icon = icons.get(mainWeatherIndex); String repMainWeather;
String repDescription;
String repIcon;
dailyWeatherList.add(new WeatherVo(date, mainWeather, description, icon)); // 오늘인 경우, 가장 가까운 forecast의 아이콘과 설명 사용
if (date.equals(today.toString()) && closestForecastToday != null) {
JsonNode weather = closestForecastToday.get("weather").get(0);
repMainWeather = weather.get("main").asText();
repDescription = weather.get("description").asText();
repIcon = weather.get("icon").asText();
} else {
// 기타 날짜는 기존 방식대로 가장 빈번한 날씨 상태 선택
List<String> weathers = dailyWeathers.get(date);
List<String> descriptions = dailyDescriptions.get(date);
List<String> icons = dailyIcons.get(date);
Map<String, Integer> weatherCounts = new HashMap<>();
for (String w : weathers) {
weatherCounts.put(w, weatherCounts.getOrDefault(w, 0) + 1);
}
repMainWeather = "";
int maxCount = 0;
for (Map.Entry<String, Integer> entry : weatherCounts.entrySet()) {
if (entry.getValue() > maxCount) {
maxCount = entry.getValue();
repMainWeather = entry.getKey();
}
}
int repIndex = weathers.indexOf(repMainWeather);
repDescription = descriptions.get(repIndex);
repIcon = icons.get(repIndex);
}
dailyWeatherList.add(new WeatherVo(date, repMainWeather, repDescription, repIcon));
} }
return dailyWeatherList; return dailyWeatherList;