feat: ✨ 루틴 달성률 추가 (#24)

* fix: 🐛 빠진 코드 추가

* fix: 🐛 email 칼럼 다시 추가

* feat: ✨ 인가 서비스 추가 (#21)

* feat: ✨ 루틴 달성률 추가 (#23)

src/main/java/com/goormdari/domain/calendar/domain/repository/CalendarQueryDslRepositoryImpl.java

@@ -2,13 +2,16 @@
 
 import com.goormdari.domain.calendar.domain.Calendar;
 import com.goormdari.domain.calendar.dto.response.CheckGoalProgressResponse;
+import com.goormdari.domain.team.domain.QTeam;
+import com.goormdari.domain.team.domain.Team;
+import com.goormdari.domain.user.domain.QUser;
 import com.goormdari.domain.user.domain.User;
 import com.querydsl.jpa.impl.JPAQueryFactory;
 import jakarta.persistence.EntityNotFoundException;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Repository;
-
 import java.time.LocalDate;
+import java.time.LocalDateTime;
 import java.time.YearMonth;
 import java.time.temporal.ChronoUnit;
 import java.util.List;
@@ -60,15 +63,54 @@ public CheckGoalProgressResponse findByIdAndDate(Long userId, YearMonth date) {
                 ))
                 .collect(Collectors.toList());
 
+        Double routineCompletionRate = calculateRoutineCompletionRate(userId, date);
+
         return new CheckGoalProgressResponse(
                 userInfo.getNickname(),
                 userInfo.getProfileUrl(),
                 goal,
                 dDay,
-                dayAchiveList
+                dayAchiveList,
+                routineCompletionRate
         );
     }
 
+    private Double calculateRoutineCompletionRate(Long userId, YearMonth date) {
+        User user = queryFactory
+                .selectFrom(QUser.user)
+                .where(QUser.user.id.eq(userId))
+                .fetchOne();
+        Long teamId = user.getTeam().getId();
+
+        Team team = queryFactory
+                .selectFrom(QTeam.team)
+                .where(QTeam.team.id.eq(teamId))
+                .fetchOne();
+
+        LocalDateTime createdAt = team.getCreatedAt();
+
+        LocalDate deadLine = team.getDeadLine();
+        LocalDate createdAtDate = createdAt.toLocalDate();
+
+        // 일 수 차이 계산
+        Long daysBetween = ChronoUnit.DAYS.between(createdAtDate, deadLine);
+
+        // 루틴 4개 수행한 날짜 계산
+        Long successCount = queryFactory
+                .select(calendar.count())
+                .from(calendar)
+                .where(calendar.userId.eq(userId),
+                        calendar.success_count.eq(4)
+                )
+                .fetchFirst();
+
+        Double rate = ((double) (successCount) / (double) (daysBetween)) * 100;
+
+        double roundedRate = Math.round(rate * 10) / 10.0;
+
+        return roundedRate;
+    }
+
     private int calculateDDay(LocalDate deadLine) {
         LocalDate now = LocalDate.now();
         return (int) ChronoUnit.DAYS.between(now, deadLine);

src/main/java/com/goormdari/domain/calendar/dto/response/CheckGoalProgressResponse.java

@@ -12,7 +12,8 @@ public record CheckGoalProgressResponse(
         String profileUrl,
         String goal,
         int dDay,
-        List<DayAchive> dayAchiveList
+        List<DayAchive> dayAchiveList,
+        Double routineCompletionRate
 ) {
     public record DayAchive(
             LocalDate date,
@@ -21,11 +22,12 @@ public record DayAchive(
     }
 
     @QueryProjection
-    public CheckGoalProgressResponse(String nickname, String profileUrl, String goal, int dDay, List<DayAchive> dayAchiveList) {
+    public CheckGoalProgressResponse(String nickname, String profileUrl, String goal, int dDay, List<DayAchive> dayAchiveList, Double routineCompletionRate) {
         this.nickname = nickname;
         this.profileUrl = profileUrl;
         this.goal = goal;
         this.dDay = dDay;
         this.dayAchiveList = dayAchiveList;
+        this.routineCompletionRate = routineCompletionRate;
     }
 }