Untitled

service

package com.example.demo.Service;

import com.example.demo.DTO.AdminDTO;
import com.example.demo.Entity.Inventory;
import com.example.demo.Repository.InventoryRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;
import java.util.Optional;

@Service
public class AdminServiceimpl {
    @Autowired
    private InventoryRepository InventoryRepo;


    public List<Inventory> GetProductsAdmin(){
        return  InventoryRepo.findByIsDelete(true);
    }

    public Inventory AdminQuantityUpdate(int ProductId , int Quantity) throws Exception{
        Inventory temp = InventoryRepo.findByProductid(ProductId);
        if (temp != null){
            int OldQuantity = temp.getQuantity();
            int newQuantity = OldQuantity + Quantity;
            temp.setQuantity(newQuantity);
            return InventoryRepo.save(temp);
        }
        throw new Exception("ProductId Doesnot Exist");
    }

    public Inventory UpdateRecord(Inventory inventory) throws Exception {
        if (inventory == null ) {
            throw new Exception("InventoryRecord or Id must not be null");
        }
        Optional<Inventory> optionalinventory = Optional.ofNullable(InventoryRepo.findByProductid(inventory.getProductid()));
        if (optionalinventory.isEmpty()) {
            throw new Exception("Product with Id : " + inventory.getProductid() + "Does not exist");
        }

        Inventory newInventoryRecord = optionalinventory.get();
        newInventoryRecord.setProductid(inventory.getProductid());
        newInventoryRecord.setProductname(inventory.getProductname());
        newInventoryRecord.setPrice(inventory.getPrice());
        newInventoryRecord.setQuantity(inventory.getQuantity());
        newInventoryRecord.setCreatedby("pavan");
        newInventoryRecord.setIsDelete(true);
        return InventoryRepo.save(newInventoryRecord);
    }

    public Inventory Addnew(AdminDTO adminDTO) {
        Inventory inventory = new Inventory();
        inventory.setQuantity(adminDTO.getQuantity());
        inventory.setProductname(adminDTO.getProductname());
        inventory.setPrice(adminDTO.getPrice());
        inventory.setCategoryId(adminDTO.getCategoryId());
        inventory.setCreatedby("pavan");
        inventory.setIsDelete(true);
        return InventoryRepo.save(inventory);
    }
}


dto
package com.example.demo.DTO;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import lombok.Getter;
import lombok.Setter;

@JsonAutoDetect(fieldVisibility = JsonAutoDetect.Visibility.ANY)
public class AdminDTO {

    @Getter
    @Setter
    private String Productname;
    @Getter
    @Setter
    private int price;
    @Getter
    @Setter
    private int Quantity;
    @Getter
    @Setter
    private int CategoryId;

    public AdminDTO(String productname, int price, int quantity, int categoryId) {
        Productname = productname;
        this.price = price;
        Quantity = quantity;
        CategoryId = categoryId;
    }
}

Controller
package com.example.demo.Controller;

import com.example.demo.DTO.AdminDTO;
import com.example.demo.DTO.CustomerDTO;
import com.example.demo.Entity.Inventory;
import com.example.demo.Service.AdminServiceimpl;
import com.example.demo.Service.CustomerServiceimpl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController
@CrossOrigin
@RequestMapping
public class AdminController {

    @Autowired
    private AdminServiceimpl service;

    @GetMapping(path = "/GETPRODUCTSAdmin")
    public List<Inventory> AdminProducts(){
        return  service.GetProductsAdmin();
    }

    @PostMapping(path = "/AdminQunatityUpdate")
    public Inventory AdminQuantity(@RequestBody CustomerDTO Dto) throws Exception{
        try {
            int productID = Dto.getProductId();
            int Quantity = Dto.getQuantity();
            return service.AdminQuantityUpdate(productID, Quantity);
        }
        catch (Exception error){
            throw new Exception(error);
        }
    }

    @PostMapping(path = "/Updateproduct")
    public Inventory update(@RequestBody Inventory inventory) throws Exception{
        try{
            return service.UpdateRecord(inventory);
        }
        catch (Exception error){
            throw new Exception(error);
        }
    }

    @PostMapping(path = "/AddnewProduct")
    public Inventory Addnew(@RequestBody AdminDTO inventory) throws Exception{
        try{
            return service.Addnew(inventory);
        }
        catch (Exception error){
            throw new Exception(error);
        }
    }
}