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feat: add stat service

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Tim
2025-08-12 09:31:27 +08:00
parent 5a5d5add23
commit 08a2678bd5
7 changed files with 228 additions and 9 deletions
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44
backend/src/main/java/com/openisle/controller/StatController.java
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@@ -1,6 +1,7 @@
package com.openisle.controller;
import com.openisle.service.UserVisitService;
import com.openisle.service.StatService;
import lombok.RequiredArgsConstructor;
import org.springframework.format.annotation.DateTimeFormat;
import org.springframework.web.bind.annotation.GetMapping;
@@ -17,6 +18,7 @@ import java.util.Map;
@RequiredArgsConstructor
public class StatController {
private final UserVisitService userVisitService;
private final StatService statService;
@GetMapping("/dau")
public Map<String, Long> dau(@RequestParam(value = "date", required = false)
@@ -38,4 +40,46 @@ public class StatController {
))
.toList();
}
@GetMapping("/new-users-range")
public List<Map<String, Object>> newUsersRange(@RequestParam(value = "days", defaultValue = "30") int days) {
if (days < 1) days = 1;
LocalDate end = LocalDate.now();
LocalDate start = end.minusDays(days - 1L);
var data = statService.countNewUsersRange(start, end);
return data.entrySet().stream()
.map(e -> Map.<String,Object>of(
"date", e.getKey().toString(),
"value", e.getValue()
))
.toList();
}
@GetMapping("/posts-range")
public List<Map<String, Object>> postsRange(@RequestParam(value = "days", defaultValue = "30") int days) {
if (days < 1) days = 1;
LocalDate end = LocalDate.now();
LocalDate start = end.minusDays(days - 1L);
var data = statService.countPostsRange(start, end);
return data.entrySet().stream()
.map(e -> Map.<String,Object>of(
"date", e.getKey().toString(),
"value", e.getValue()
))
.toList();
}
@GetMapping("/comments-range")
public List<Map<String, Object>> commentsRange(@RequestParam(value = "days", defaultValue = "30") int days) {
if (days < 1) days = 1;
LocalDate end = LocalDate.now();
LocalDate start = end.minusDays(days - 1L);
var data = statService.countCommentsRange(start, end);
return data.entrySet().stream()
.map(e -> Map.<String,Object>of(
"date", e.getKey().toString(),
"value", e.getValue()
))
.toList();
}
}

4
backend/src/main/java/com/openisle/repository/CommentRepository.java
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@@ -32,4 +32,8 @@ public interface CommentRepository extends JpaRepository<Comment, Long> {
long countByAuthor_Id(Long userId);
@org.springframework.data.jpa.repository.Query("SELECT FUNCTION('date', c.createdAt) AS d, COUNT(c) AS c FROM Comment c " +
"WHERE c.createdAt >= :start AND c.createdAt < :end GROUP BY d ORDER BY d")
java.util.List<Object[]> countDailyRange(@org.springframework.data.repository.query.Param("start") java.time.LocalDateTime start,
@org.springframework.data.repository.query.Param("end") java.time.LocalDateTime end);
}

5
backend/src/main/java/com/openisle/repository/PostRepository.java
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@@ -95,4 +95,9 @@ public interface PostRepository extends JpaRepository<Post, Long> {
long countDistinctByTags_Id(Long tagId);
long countByAuthor_Id(Long userId);
@Query("SELECT FUNCTION('date', p.createdAt) AS d, COUNT(p) AS c FROM Post p " +
"WHERE p.createdAt >= :start AND p.createdAt < :end GROUP BY d ORDER BY d")
java.util.List<Object[]> countDailyRange(@Param("start") LocalDateTime start,
@Param("end") LocalDateTime end);
}

7
backend/src/main/java/com/openisle/repository/UserRepository.java
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@@ -1,6 +1,8 @@
package com.openisle.repository;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.Query;
import org.springframework.data.repository.query.Param;
import com.openisle.model.User;
import java.time.LocalDateTime;
import java.util.Optional;
@@ -12,4 +14,9 @@ public interface UserRepository extends JpaRepository<User, Long> {
java.util.List<User> findByRole(com.openisle.model.Role role);
long countByExperienceGreaterThanEqual(int experience);
long countByCreatedAtBefore(LocalDateTime createdAt);
@Query("SELECT FUNCTION('date', u.createdAt) AS d, COUNT(u) AS c FROM User u " +
"WHERE u.createdAt >= :start AND u.createdAt < :end GROUP BY d ORDER BY d")
java.util.List<Object[]> countDailyRange(@Param("start") LocalDateTime start,
@Param("end") LocalDateTime end);
}

48
backend/src/main/java/com/openisle/service/StatService.java Normal file
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@@ -0,0 +1,48 @@
package com.openisle.service;
import com.openisle.repository.UserRepository;
import com.openisle.repository.PostRepository;
import com.openisle.repository.CommentRepository;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Service;
import java.time.LocalDate;
import java.util.LinkedHashMap;
import java.util.Map;
@Service
@RequiredArgsConstructor
public class StatService {
private final UserRepository userRepository;
private final PostRepository postRepository;
private final CommentRepository commentRepository;
private Map<LocalDate, Long> toDateMap(LocalDate start, LocalDate end, java.util.List<Object[]> list) {
Map<LocalDate, Long> result = new LinkedHashMap<>();
for (var obj : list) {
LocalDate d = (LocalDate) obj[0];
Long c = ((Number) obj[1]).longValue();
result.put(d, c);
}
for (LocalDate d = start; !d.isAfter(end); d = d.plusDays(1)) {
result.putIfAbsent(d, 0L);
}
return result;
}
public Map<LocalDate, Long> countNewUsersRange(LocalDate start, LocalDate end) {
java.util.List<Object[]> list = userRepository.countDailyRange(start.atStartOfDay(), end.plusDays(1).atStartOfDay());
return toDateMap(start, end, list);
}
public Map<LocalDate, Long> countPostsRange(LocalDate start, LocalDate end) {
java.util.List<Object[]> list = postRepository.countDailyRange(start.atStartOfDay(), end.plusDays(1).atStartOfDay());
return toDateMap(start, end, list);
}
public Map<LocalDate, Long> countCommentsRange(LocalDate start, LocalDate end) {
java.util.List<Object[]> list = commentRepository.countDailyRange(start.atStartOfDay(), end.plusDays(1).atStartOfDay());
return toDateMap(start, end, list);
}
}