implemented list_categories restful API

src/main/java/net/irext/server/service/IRPrivateServerApplication.java

@@ -1,5 +1,6 @@
 package net.irext.server.service;
 
+import net.irext.server.service.model.Category;
 import net.irext.server.service.model.RemoteIndex;
 import org.apache.ibatis.type.MappedTypes;
 import org.mybatis.spring.annotation.MapperScan;
@@ -17,13 +18,10 @@ import org.springframework.boot.autoconfigure.SpringBootApplication;
  * 2019-06-10: created by strawmanbobi
  */
 
-@MappedTypes(RemoteIndex.class)
 @MapperScan("net.irext.server.service.mapper")
 @SpringBootApplication
 public class IRPrivateServerApplication {
-
     public static void main(String[] args) {
         SpringApplication.run(IRPrivateServerApplication.class, args);
     }
-
 }

src/main/java/net/irext/server/service/businesslogic/IndexingLogic.java

@@ -1,5 +1,6 @@
 package net.irext.server.service.businesslogic;
 
+import net.irext.server.service.mapper.CategoryMapper;
 import net.irext.server.service.mapper.RemoteIndexMapper;
 import net.irext.server.service.model.Category;
 import net.irext.server.service.model.RemoteIndex;
@@ -21,6 +22,9 @@ import java.util.List;
 @Controller
 public class IndexingLogic {
 
+    @Autowired
+    private CategoryMapper categoryMapper;
+
     @Autowired
     private RemoteIndexMapper remoteIndexMapper;
 
@@ -33,6 +37,6 @@ public class IndexingLogic {
     }
 
     public List<Category> listCategories(int lang, int from, int count) {
-        return null;
+        return categoryMapper.listCategories(from, count);
     }
 }

src/main/java/net/irext/server/service/cache/IUserAppRepository.java

@@ -1,7 +1,5 @@
 package net.irext.server.service.cache;
 
-import net.irext.server.service.model.UserApp;
-
 /**
  * Filename:       IUserAppRepository.java
  * Revised:        Date: 2019-06-08

src/main/java/net/irext/server/service/cache/impl/UserAppRepositoryImpl.java

@@ -1,7 +1,6 @@
 package net.irext.server.service.cache.impl;
 
 import net.irext.server.service.cache.IUserAppRepository;
-import net.irext.server.service.model.UserApp;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.redis.core.HashOperations;
 import org.springframework.data.redis.core.RedisTemplate;

src/main/java/net/irext/server/service/mapper/CategoryMapper.java

@@ -0,0 +1,25 @@
+package net.irext.server.service.mapper;
+
+import net.irext.server.service.model.Category;
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.ResultMap;
+import org.apache.ibatis.annotations.Select;
+
+import java.util.List;
+
+/**
+ * Filename:       CategoryMapper.java
+ * Revised:        Date: 2019-06-12
+ * Revision:       Revision: 1.0
+ * <p>
+ * Description:    CategoryMapper
+ * <p>
+ * Revision log:
+ * 2019-06-12: created by strawmanbobi
+ */
+@Mapper
+public interface CategoryMapper {
+    @Select("SELECT * FROM category WHERE status = 1 ORDER BY id LIMIT #{from}, #{count}")
+    @ResultMap("BaseResultMap")
+    List<Category> listCategories(int from, int count);
+}

src/main/java/net/irext/server/service/mapper/RemoteIndexMapper.java

@@ -12,14 +12,13 @@ import java.util.List;
  * Revised:        Date: 2018-12-08
  * Revision:       Revision: 1.0
  * <p>
- * Description:    CollectRemote Mybatis Mapper
+ * Description:    RemoteIndexMapper
  * <p>
  * Revision log:
  * 2018-12-08: created by strawmanbobi
  */
 @Mapper
 public interface RemoteIndexMapper {
-
     @Select("SELECT * FROM remote_index WHERE id = #{id}")
     @ResultMap("BaseResultMap")
     List<RemoteIndex> getRemoteIndexById(int id);

src/main/java/net/irext/server/service/restapi/IRIndexingService.java

@@ -10,10 +10,12 @@ import net.irext.server.service.restapi.base.AbstractBaseService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
 import javax.servlet.ServletContext;
+import javax.servlet.http.HttpServletRequest;
 import javax.ws.rs.HeaderParam;
 import java.util.List;
 
@@ -44,8 +46,9 @@ public class IRIndexingService extends AbstractBaseService {
     }
 
     @PostMapping("/list_categories")
-    public CategoriesResponse listCategories(@HeaderParam("user-lang") String userLang,
+    public CategoriesResponse listCategories(HttpServletRequest request,
-                                             ListCategoriesRequest listCategoriesRequest) {
+                                             @HeaderParam("user-lang") String userLang,
+                                             @RequestBody ListCategoriesRequest listCategoriesRequest) {
         try {
             int id = listCategoriesRequest.getId();
             String token = listCategoriesRequest.getToken();

src/main/resources/net/irext/server/service/mapper/CategoryMapper.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
+<mapper namespace="net.irext.server.service.mapper.CategoryMapper">
+    <resultMap id="BaseResultMap" type="net.irext.server.service.model.Category">
+        <!--
+          WARNING - @mbggenerated
+          This element is automatically generated by MyBatis Generator, do not modify.
+          This element was generated on Thu May 04 12:06:44 CST 2017.
+        -->
+        <id column="id" property="id" jdbcType="INTEGER"/>
+        <result column="name" property="name" jdbcType="VARCHAR"/>
+        <result column="status" property="status" jdbcType="TINYINT"/>
+        <result column="update_time" property="updateTime" jdbcType="CHAR"/>
+        <result column="name_en" property="nameEn" jdbcType="VARCHAR"/>
+        <result column="name_tw" property="nameTw" jdbcType="VARCHAR"/>
+        <result column="contributor" property="contributor" jdbcType="VARCHAR"/>
+    </resultMap>
+
+</mapper>