[과제 #4 제출 스레드]

library-app/src/main/java/com/group/libarayapp/controller/task/Ex01Controller.java → library-app/src/main/java/com/group/libarayapp/controller/task02/Ex01Controller.java

@@ -1,7 +1,7 @@
-package com.group.libarayapp.controller.task;
+package com.group.libarayapp.controller.task02;
 
-import com.group.libarayapp.dto.task.request.Ex01Request;
-import com.group.libarayapp.dto.task.response.Ex01Response;
+import com.group.libarayapp.dto.task02.request.Ex01Request;
+import com.group.libarayapp.dto.task02.response.Ex01Response;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RestController;
 

library-app/src/main/java/com/group/libarayapp/controller/task/Ex02Controller.java → library-app/src/main/java/com/group/libarayapp/controller/task02/Ex02Controller.java

@@ -1,7 +1,7 @@
-package com.group.libarayapp.controller.task;
+package com.group.libarayapp.controller.task02;
 
-import com.group.libarayapp.dto.task.request.Ex02Request;
-import com.group.libarayapp.dto.task.response.Ex02Response;
+import com.group.libarayapp.dto.task02.request.Ex02Request;
+import com.group.libarayapp.dto.task02.response.Ex02Response;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RestController;
 

library-app/src/main/java/com/group/libarayapp/controller/task/Ex03Controller.java → library-app/src/main/java/com/group/libarayapp/controller/task02/Ex03Controller.java

@@ -1,8 +1,8 @@
-package com.group.libarayapp.controller.task;
+package com.group.libarayapp.controller.task02;
 
 
-import com.group.libarayapp.dto.task.request.Ex03Request;
-import com.group.libarayapp.dto.task.response.Ex03Response;
+import com.group.libarayapp.dto.task02.request.Ex03Request;
+import com.group.libarayapp.dto.task02.response.Ex03Response;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RestController;

library-app/src/main/java/com/group/libarayapp/controller/task04/Task04ExController.java

@@ -0,0 +1,62 @@
+package com.group.libarayapp.controller.task04;
+
+import com.group.libarayapp.dto.task04.request.Task04CreateRequest;
+import com.group.libarayapp.dto.task04.request.Task04ExRequest;
+import com.group.libarayapp.dto.task04.response.Task04ExResponse;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@RestController
+public class Task04ExController {
+
+    private final JdbcTemplate jdbcTemplate;
+
+    public Task04ExController(JdbcTemplate jdbcTemplate) {
+        this.jdbcTemplate = jdbcTemplate;
+    }
+
+    // 문제 1
+    @PostMapping("/api/v1/fruit")
+    public void saveFruit(@RequestBody Task04ExRequest request) {
+        String sql = "insert into fruit(name, warehousing, price)  values(?, ?, ?)";
+        jdbcTemplate.update(sql, request.getName(), request.getWarehousingDate(), request.getPrice());
+    }
+
+
+    // 문제 2
+    @PutMapping("/api/v1/fruit")
+    public void salesQuantityFruit(@RequestBody Task04ExRequest request) {
+        String readSql = "select * from fruit where id=?";
+        boolean isSalesFruit = jdbcTemplate.query(readSql, (rs, rowNum) -> 0, request.getId()).isEmpty();
+        if (isSalesFruit) {
+            throw new IllegalArgumentException();
+        }
+        String sql = "update fruit set salesQuantity=? where id=?";
+        jdbcTemplate.update(sql, request.getSalesQuantity() + 1, request.getId());
+    }
+
+    // 문제 3 - sum, group by 미적용
+    @GetMapping("/api/v1/fruit/stat")
+    public Task04ExResponse SalesAmountFruit(@RequestParam String name) {
+        String readNotSalesSql = """
+                select sum(price) as notSalesAmount
+                from fruit
+                where name=? and salesQuantity = 0
+                group by salesQuantity;
+                """;
+        List<Integer> readNotSalesList = jdbcTemplate.query(readNotSalesSql, (rs, rowNum) -> rs.getInt("notSalesAmount"), name);
+
+        String readSalesSql = """
+                select sum(price) as salesAmount
+                from fruit
+                where name=? and salesQuantity = 1
+                group by salesQuantity;
+                """;
+        List<Integer> readSalesList = jdbcTemplate.query(readSalesSql, (rs, rowNum) -> rs.getInt("salesAmount"), name);
+
+        return new Task04ExResponse(readSalesList, readNotSalesList);
+    }
+}

library-app/src/main/java/com/group/libarayapp/dto/task/request/Ex01Request.java → library-app/src/main/java/com/group/libarayapp/dto/task02/request/Ex01Request.java

@@ -1,4 +1,4 @@
-package com.group.libarayapp.dto.task.request;
+package com.group.libarayapp.dto.task02.request;
 
 public class Ex01Request {
     private final int num1;

library-app/src/main/java/com/group/libarayapp/dto/task/request/Ex02Request.java → library-app/src/main/java/com/group/libarayapp/dto/task02/request/Ex02Request.java

@@ -1,4 +1,4 @@
-package com.group.libarayapp.dto.task.request;
+package com.group.libarayapp.dto.task02.request;
 
 import java.time.LocalDate;
 

library-app/src/main/java/com/group/libarayapp/dto/task/request/Ex03Request.java → library-app/src/main/java/com/group/libarayapp/dto/task02/request/Ex03Request.java

@@ -1,4 +1,4 @@
-package com.group.libarayapp.dto.task.request;
+package com.group.libarayapp.dto.task02.request;
 
 import java.util.ArrayList;
 import java.util.List;

library-app/src/main/java/com/group/libarayapp/dto/task/response/Ex01Response.java → library-app/src/main/java/com/group/libarayapp/dto/task02/response/Ex01Response.java

@@ -1,6 +1,6 @@
-package com.group.libarayapp.dto.task.response;
+package com.group.libarayapp.dto.task02.response;
 
-import com.group.libarayapp.dto.task.request.Ex01Request;
+import com.group.libarayapp.dto.task02.request.Ex01Request;
 
 public class Ex01Response {
 

library-app/src/main/java/com/group/libarayapp/dto/task/response/Ex02Response.java → library-app/src/main/java/com/group/libarayapp/dto/task02/response/Ex02Response.java

@@ -1,6 +1,6 @@
-package com.group.libarayapp.dto.task.response;
+package com.group.libarayapp.dto.task02.response;
 
-import com.group.libarayapp.dto.task.request.Ex02Request;
+import com.group.libarayapp.dto.task02.request.Ex02Request;
 
 import java.time.format.TextStyle;
 import java.util.Locale;

library-app/src/main/java/com/group/libarayapp/dto/task/response/Ex03Response.java → library-app/src/main/java/com/group/libarayapp/dto/task02/response/Ex03Response.java

@@ -1,4 +1,4 @@
-package com.group.libarayapp.dto.task.response;
+package com.group.libarayapp.dto.task02.response;
 
 import java.util.List;
 

library-app/src/main/java/com/group/libarayapp/dto/task04/request/Task04CreateRequest.java

@@ -0,0 +1,40 @@
+package com.group.libarayapp.dto.task04.request;
+
+import java.time.LocalDate;
+
+public class Task04CreateRequest {
+
+    Long id;
+    String name;
+    LocalDate warehousing;
+    Long price;
+    int salesQuantity;
+
+    public Task04CreateRequest(Long id, String name, LocalDate warehousing, Long price, int salesQuantity) {
+        this.id = id;
+        this.name = name;
+        this.warehousing = warehousing;
+        this.price = price;
+        this.salesQuantity = salesQuantity;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public LocalDate getWarehousing() {
+        return warehousing;
+    }
+
+    public Long getPrice() {
+        return price;
+    }
+
+    public int getSalesQuantity() {
+        return salesQuantity;
+    }
+}

library-app/src/main/java/com/group/libarayapp/dto/task04/request/Task04ExRequest.java

@@ -0,0 +1,39 @@
+package com.group.libarayapp.dto.task04.request;
+
+import java.time.LocalDate;
+
+public class Task04ExRequest {
+
+    private Long id;
+    private String name;
+    private LocalDate warehousingDate;
+
+    private int salesQuantity;
+    private Long price;
+
+    public Task04ExRequest(String name, LocalDate warehousingDate, Long price) {
+        this.name = name;
+        this.warehousingDate = warehousingDate;
+        this.price = price;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public LocalDate getWarehousingDate() {
+        return warehousingDate;
+    }
+
+    public Long getPrice() {
+        return price;
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public int getSalesQuantity() {
+        return salesQuantity;
+    }
+}

library-app/src/main/java/com/group/libarayapp/dto/task04/response/Task04ExResponse.java

@@ -0,0 +1,21 @@
+package com.group.libarayapp.dto.task04.response;
+
+import java.util.List;
+
+public class Task04ExResponse {
+    private final long salesAmount;
+    private final long notSalesAmount;
+
+    public Task04ExResponse(List<Integer> readSalesList, List<Integer> readNotSalesList) {
+        this.salesAmount = readSalesList.get(0);
+        this.notSalesAmount = readNotSalesList.get(0);
+    }
+
+    public long getSalesAmount() {
+        return salesAmount;
+    }
+
+    public long getNotSalesAmount() {
+        return notSalesAmount;
+    }
+}