first commit

src/main/java/com/owrawww/service/BbsService.java

@@ -0,0 +1,91 @@
+package com.owrawww.service;
+
+import com.owrawww.domain.Bbs;
+import com.owrawww.domain.mapper.BbsMapper;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+@Service
+@RequiredArgsConstructor
+public class BbsService {
+
+    private static final int PAGE_SIZE  = 12;
+    private static final int PAGE_BLOCK = 5;
+
+    private final BbsMapper bbsMapper;
+
+    public Map<String, Object> getList(int page, String searchType, String keyword, int topCode, int leftCode, int subGubun) {
+        if (page < 1) page = 1;
+
+        Map<String, Object> params = new HashMap<>();
+        params.put("size",       PAGE_SIZE);
+        params.put("offset",     (page - 1) * PAGE_SIZE);
+        params.put("topCode",    topCode);
+        params.put("leftCode",   leftCode);
+        params.put("subGubun",   subGubun);
+        params.put("searchType", searchType);
+        params.put("keyword",    keyword);
+
+        List<Bbs> list       = bbsMapper.selectList(params);
+        int       totalCount = bbsMapper.selectCount(params);
+        int       totalPages = Math.max(1, (int) Math.ceil((double) totalCount / PAGE_SIZE));
+
+        if (page > totalPages) page = totalPages;
+
+        int blockStart = ((page - 1) / PAGE_BLOCK) * PAGE_BLOCK + 1;
+        int blockEnd   = Math.min(blockStart + PAGE_BLOCK - 1, totalPages);
+
+        Map<String, Object> model = new HashMap<>();
+        model.put("list",        list);
+        model.put("totalCount",  totalCount);
+        model.put("currentPage", page);
+        model.put("totalPages",  totalPages);
+        model.put("blockStart",  blockStart);
+        model.put("blockEnd",    blockEnd);
+        model.put("searchType",  searchType);
+        model.put("keyword",     keyword);
+        model.put("topCode",     topCode);
+        model.put("leftCode",    leftCode);
+        model.put("subGubun",    subGubun);
+        return model;
+    }
+
+    public Map<String, Object> getDetail(Long id, int topCode, int leftCode, int subGubun, int page, String searchType, String keyword) {
+        Map<String, Object> params = new HashMap<>();
+        params.put("id",       id);
+        params.put("topCode",  topCode);
+        params.put("leftCode", leftCode);
+        params.put("subGubun", subGubun);
+        params.put("page",     page);
+        params.put("searchType", searchType);
+        params.put("keyword",    keyword);
+
+        bbsMapper.incrementViewCnt(id); 
+
+        Bbs bbs  = bbsMapper.selectById(params);
+        Bbs prev = bbsMapper.selectPrev(params);
+        Bbs next = bbsMapper.selectNext(params);
+
+        Map<String, Object> model = new HashMap<>();
+        model.put("bbs",        bbs);
+        model.put("prev",       prev);
+        model.put("next",       next);
+        model.put("currentPage", page); 
+        model.put("searchType",  searchType);   
+        model.put("keyword",     keyword);
+        return model;
+    }
+
+    public List<Bbs> getPreview(int topCode, int leftCode, int subGubun, int limit) {
+        Map<String, Object> params = new HashMap<>();
+        params.put("topCode",  topCode);
+        params.put("leftCode", leftCode);
+        params.put("subGubun", subGubun);
+        params.put("limit",    limit);
+        return bbsMapper.selectPreview(params);
+    }
+}