Borrow created, now can search (all, by student ID and by book ID)

Author: BrunoMazzocchi

src/main/java/com/example/library/LibraryAPI/domain/repository/BorrowRepository.java

@@ -0,0 +1,14 @@
+package com.example.library.LibraryAPI.domain.repository;
+
+import com.example.library.LibraryAPI.persistence.entity.*;
+import org.springframework.stereotype.*;
+
+import java.util.*;
+
+@Repository
+public interface BorrowRepository {
+    List<Borrow> getAll();
+    Optional<List<Borrow>> getBorrowByStudentId(int studentId);
+    Optional<List<Borrow>>  getBorrowByBookId(int bookId);
+    Borrow save (Borrow borrow);
+}

src/main/java/com/example/library/LibraryAPI/domain/service/BorrowService.java

@@ -0,0 +1,35 @@
+package com.example.library.LibraryAPI.domain.service;
+import com.example.library.LibraryAPI.persistence.entity.*;
+import org.springframework.beans.factory.annotation.*;
+import com.example.library.LibraryAPI.domain.repository.BorrowRepository;
+import org.springframework.stereotype.*;
+import java.util.*;
+
+@Service
+public class BorrowService {
+
+    @Autowired
+    private BorrowRepository borrowRepository;
+
+    public List<Borrow> getAll(){
+        return borrowRepository.getAll();
+    }
+
+    public Optional<List<Borrow>> getBorrowByStudentId(int studentId){
+        return borrowRepository.getBorrowByStudentId(studentId);
+    }
+
+    public Optional<List<Borrow>> getBorrowByBookId(int bookId){
+        return borrowRepository.getBorrowByBookId(bookId);
+    }
+
+    public Borrow save(Borrow borrow){
+        return borrowRepository.save(borrow);
+    }
+
+}
+
+
+
+
+

src/main/java/com/example/library/LibraryAPI/persistence/BorrowRepository.java

@@ -0,0 +1,40 @@
+package com.example.library.LibraryAPI.persistence;
+
+import com.example.library.LibraryAPI.persistence.crud.*;
+import com.example.library.LibraryAPI.persistence.entity.*;
+import org.springframework.beans.factory.annotation.*;
+import org.springframework.boot.autoconfigure.*;
+import org.springframework.stereotype.*;
+
+import java.security.*;
+import java.util.*;
+
+@EnableAutoConfiguration
+@Repository
+public class BorrowRepository implements  com.example.library.LibraryAPI.domain.repository.BorrowRepository {
+    @Autowired
+    private BorrowCrudRepository borrowCrudRepository;
+
+    @Override
+    public List<Borrow> getAll() {
+        List<Borrow> borrows = (List<Borrow>) borrowCrudRepository.findAll();
+        return borrows;
+    }
+
+    @Override
+    public Optional<List<Borrow>>  getBorrowByStudentId(int studentId) {
+        List<Borrow> borrows = borrowCrudRepository.findBorrowByStudentId(studentId);
+        return Optional.of(borrows);
+
+    }
+
+    @Override
+    public Optional<List<Borrow>> getBorrowByBookId(int bookId) {
+        List<Borrow> borrows = borrowCrudRepository.findBorrowByBookId(bookId);
+        return Optional.of(borrows);
+    }
+    @Override
+    public Borrow save(Borrow borrow) {
+        return borrowCrudRepository.save(borrow);
+    }
+}

src/main/java/com/example/library/LibraryAPI/persistence/crud/BorrowCrudRepository.java

@@ -1,7 +1,16 @@
 package com.example.library.LibraryAPI.persistence.crud;
 
 import com.example.library.LibraryAPI.persistence.entity.*;
+import org.springframework.data.jpa.repository.*;
 import org.springframework.data.repository.*;
 
+import java.util.*;
+
 public interface BorrowCrudRepository extends CrudRepository<Borrow, Integer> {
+
+    @Query(value = "SELECT * FROM borrows WHERE student_id = ?", nativeQuery = true)
+    List<Borrow > findBorrowByStudentId(int studentId);
+
+    @Query(value = "SELECT * FROM borrows WHERE book_id = ?", nativeQuery = true)
+    List<Borrow> findBorrowByBookId(int bookId);
 }

src/main/java/com/example/library/LibraryAPI/persistence/entity/Borrow.java

@@ -17,9 +17,6 @@ public class Borrow {
     private Date broughtDate;
 
 
-    @OneToMany(mappedBy = "borrow")
-    private List<Student> students;
-
     public Integer getBorrowId() {
         return borrowId;
     }
@@ -59,12 +56,4 @@ public Date getBroughtDate() {
     public void setBroughtDate(Date broughtDate) {
         this.broughtDate = broughtDate;
     }
-
-    public List<Student> getStudents() {
-        return students;
-    }
-
-    public void setStudents(List<Student> students) {
-        this.students = students;
-    }
 }

src/main/java/com/example/library/LibraryAPI/persistence/entity/Student.java

@@ -17,11 +17,6 @@ public class Student {
     private String clasS;
     private Integer point;
 
-
-    @ManyToOne
-    @JoinColumn(name = "borrowId", insertable = false, updatable = false) //Mediante esto, no se actualizan ni
-    private Borrow borrow;
-
     public Integer getStudentId() {
         return studentId;
     }
@@ -78,11 +73,4 @@ public void setPoint(Integer point) {
         this.point = point;
     }
 
-    public Borrow getBorrow() {
-        return borrow;
-    }
-
-    public void setBorrow(Borrow borrow) {
-        this.borrow = borrow;
-    }
 }

src/main/java/com/example/library/LibraryAPI/web/config/controller/BorrowController.java

@@ -0,0 +1,43 @@
+package com.example.library.LibraryAPI.web.config.controller;
+
+import com.example.library.LibraryAPI.domain.service.*;
+import com.example.library.LibraryAPI.persistence.entity.*;
+import org.springframework.beans.factory.annotation.*;
+import org.springframework.http.*;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.*;
+
+@RestController
+@RequestMapping("/borrows")
+public class BorrowController {
+
+    @Autowired
+    private BorrowService borrowService;
+
+    @GetMapping("/all")
+    public ResponseEntity<List<Borrow>> getAll(){
+        return new ResponseEntity<>(borrowService.getAll(), HttpStatus.OK);
+    }
+
+    @GetMapping("/student/{studentId}")
+    public  ResponseEntity<List<Borrow>> getBorrowByStudentId(@PathVariable int studentId){
+        return borrowService.getBorrowByStudentId(studentId).map(
+                borrows -> new ResponseEntity<>(borrows, HttpStatus.OK)
+
+        ).orElse(new ResponseEntity<>(HttpStatus.NOT_FOUND));
+    }
+    @GetMapping("/book/{bookId}")
+    public  ResponseEntity<List<Borrow>> getBorrowByBookId(@PathVariable int bookId){
+        return borrowService.getBorrowByBookId(bookId).map(
+                borrows -> new ResponseEntity<>(borrows, HttpStatus.OK)
+
+        ).orElse(new ResponseEntity<>(HttpStatus.NOT_FOUND));
+    }
+    @PostMapping("/save")
+    public ResponseEntity<Borrow> save(@RequestBody Borrow borrow){
+        return new ResponseEntity<>(borrowService.save(borrow), HttpStatus.CREATED);
+    }
+}
+
+