Merge pull request #158 from dnd-side-project/feature/#155

Add total word count query api

src/main/java/com/dnd/spaced/domain/word/application/WordService.java

@@ -61,6 +61,10 @@ public DetailWordInfoDto findBy(String email, Long wordId) {
         }
     }
 
+    public long getTotalWordCount() {
+        return wordRepository.countAllWords();
+    }
+
     public List<ListWordInfoDto> findRecentWords() {
         List<Word> result = wordRepository.findRecentWords();
         return WordServiceMapper.to(result);

src/main/java/com/dnd/spaced/domain/word/domain/repository/QuerydslWordRepository.java

@@ -46,6 +46,12 @@ public void delete(Word word) {
         wordCrudRepository.delete(word);
     }
 
+    @Override
+    public long countAllWords() {
+        return queryFactory.selectFrom(word)
+                .fetchCount();
+    }
+
     @Override
     public Optional<Word> findBy(Long wordId) {
         Word result = queryFactory.selectFrom(word)

src/main/java/com/dnd/spaced/domain/word/domain/repository/WordRepository.java

@@ -14,6 +14,8 @@ public interface WordRepository {
 
     void delete(Word word);
 
+    long countAllWords();
+
     List<Word> findRecentWords();
 
     List<Word> findRandomWords();

src/main/java/com/dnd/spaced/domain/word/presentation/WordController.java

@@ -58,6 +58,12 @@ public ResponseEntity<DetailWordInfoResponse> findBy(
         return ResponseEntity.ok(WordControllerMapper.to(result));
     }
 
+    @GetMapping("/count")
+    public ResponseEntity<Long> getTotalWordCount() {
+        long totalWordCount = wordService.getTotalWordCount();
+        return ResponseEntity.ok(totalWordCount);
+    }
+
     @GetMapping("/candidates")
     public ResponseEntity<InputWordCandidateResponse> findCandidateAllBy(String name) {
         InputWordCandidateDto result = wordService.findCandidateAllBy(name);