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My Reactive CRUD with MongoDB
Commit f9a01a84 authored by Perwaiz Ali's avatar Perwaiz Ali
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Reactive Programming

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HELP.md
target/
!.mvn/wrapper/maven-wrapper.jar
!**/src/main/**/target/
!**/src/test/**/target/
### STS ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
### IntelliJ IDEA ###
.idea
*.iws
*.iml
*.ipr
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
build/
!**/src/main/**/build/
!**/src/test/**/build/
### VS Code ###
.vscode/
.mvn/wrapper/maven-wrapper.properties 0 → 100644
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# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.7/apache-maven-3.8.7-bin.zip
wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.1/maven-wrapper-3.1.1.jar
mvnw 0 → 100644
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mvnw.cmd 0 → 100644
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@REM ----------------------------------------------------------------------------
@REM Licensed to the Apache Software Foundation (ASF) under one
@REM or more contributor license agreements. See the NOTICE file
@REM distributed with this work for additional information
@REM regarding copyright ownership. The ASF licenses this file
@REM to you under the Apache License, Version 2.0 (the
@REM "License"); you may not use this file except in compliance
@REM with the License. You may obtain a copy of the License at
@REM
@REM https://www.apache.org/licenses/LICENSE-2.0
@REM
@REM Unless required by applicable law or agreed to in writing,
@REM software distributed under the License is distributed on an
@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
@REM KIND, either express or implied. See the License for the
@REM specific language governing permissions and limitations
@REM under the License.
@REM ----------------------------------------------------------------------------
@REM ----------------------------------------------------------------------------
@REM Maven Start Up Batch script
@REM
@REM Required ENV vars:
@REM JAVA_HOME - location of a JDK home dir
@REM
@REM Optional ENV vars
@REM M2_HOME - location of maven2's installed home dir
@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending
@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
@REM e.g. to debug Maven itself, use
@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
@REM ----------------------------------------------------------------------------
@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
@echo off
@REM set title of command window
title %0
@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on'
@if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO%
@REM set %HOME% to equivalent of $HOME
if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
@REM Execute a user defined script before this one
if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
@REM check for pre script, once with legacy .bat ending and once with .cmd ending
if exist "%USERPROFILE%\mavenrc_pre.bat" call "%USERPROFILE%\mavenrc_pre.bat" %*
if exist "%USERPROFILE%\mavenrc_pre.cmd" call "%USERPROFILE%\mavenrc_pre.cmd" %*
:skipRcPre
@setlocal
set ERROR_CODE=0
@REM To isolate internal variables from possible post scripts, we use another setlocal
@setlocal
@REM ==== START VALIDATION ====
if not "%JAVA_HOME%" == "" goto OkJHome
echo.
echo Error: JAVA_HOME not found in your environment. >&2
echo Please set the JAVA_HOME variable in your environment to match the >&2
echo location of your Java installation. >&2
echo.
goto error
:OkJHome
if exist "%JAVA_HOME%\bin\java.exe" goto init
echo.
echo Error: JAVA_HOME is set to an invalid directory. >&2
echo JAVA_HOME = "%JAVA_HOME%" >&2
echo Please set the JAVA_HOME variable in your environment to match the >&2
echo location of your Java installation. >&2
echo.
goto error
@REM ==== END VALIDATION ====
:init
@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
@REM Fallback to current working directory if not found.
set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
set EXEC_DIR=%CD%
set WDIR=%EXEC_DIR%
:findBaseDir
IF EXIST "%WDIR%"\.mvn goto baseDirFound
cd ..
IF "%WDIR%"=="%CD%" goto baseDirNotFound
set WDIR=%CD%
goto findBaseDir
:baseDirFound
set MAVEN_PROJECTBASEDIR=%WDIR%
cd "%EXEC_DIR%"
goto endDetectBaseDir
:baseDirNotFound
set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
cd "%EXEC_DIR%"
:endDetectBaseDir
IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
@setlocal EnableExtensions EnableDelayedExpansion
for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
:endReadAdditionalConfig
SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
FOR /F "usebackq tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B
)
@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
if exist %WRAPPER_JAR% (
if "%MVNW_VERBOSE%" == "true" (
echo Found %WRAPPER_JAR%
)
) else (
if not "%MVNW_REPOURL%" == "" (
SET DOWNLOAD_URL="%MVNW_REPOURL%/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
)
if "%MVNW_VERBOSE%" == "true" (
echo Couldn't find %WRAPPER_JAR%, downloading it ...
echo Downloading from: %DOWNLOAD_URL%
)
powershell -Command "&{"^
"$webclient = new-object System.Net.WebClient;"^
"if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^
"$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^
"}"^
"[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^
"}"
if "%MVNW_VERBOSE%" == "true" (
echo Finished downloading %WRAPPER_JAR%
)
)
@REM End of extension
@REM Provide a "standardized" way to retrieve the CLI args that will
@REM work with both Windows and non-Windows executions.
set MAVEN_CMD_LINE_ARGS=%*
%MAVEN_JAVA_EXE% ^
%JVM_CONFIG_MAVEN_PROPS% ^
%MAVEN_OPTS% ^
%MAVEN_DEBUG_OPTS% ^
-classpath %WRAPPER_JAR% ^
"-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" ^
%WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
if ERRORLEVEL 1 goto error
goto end
:error
set ERROR_CODE=1
:end
@endlocal & set ERROR_CODE=%ERROR_CODE%
if not "%MAVEN_SKIP_RC%"=="" goto skipRcPost
@REM check for post script, once with legacy .bat ending and once with .cmd ending
if exist "%USERPROFILE%\mavenrc_post.bat" call "%USERPROFILE%\mavenrc_post.bat"
if exist "%USERPROFILE%\mavenrc_post.cmd" call "%USERPROFILE%\mavenrc_post.cmd"
:skipRcPost
@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
if "%MAVEN_BATCH_PAUSE%"=="on" pause
if "%MAVEN_TERMINATE_CMD%"=="on" exit %ERROR_CODE%
cmd /C exit /B %ERROR_CODE%
pom.xml 0 → 100644
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.7.11-SNAPSHOT</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.example</groupId>
<artifactId>demo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>demo</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>11</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-mongodb-reactive</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-webflux</artifactId>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>de.flapdoodle.embed</groupId>
<artifactId>de.flapdoodle.embed.mongo</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>io.projectreactor</groupId>
<artifactId>reactor-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<excludes>
<exclude>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</exclude>
</excludes>
</configuration>
</plugin>
</plugins>
</build>
<repositories>
<repository>
<id>spring-milestones</id>
<name>Spring Milestones</name>
<url>https://repo.spring.io/milestone</url>
<snapshots>
<enabled>false</enabled>
</snapshots>
</repository>
<repository>
<id>spring-snapshots</id>
<name>Spring Snapshots</name>
<url>https://repo.spring.io/snapshot</url>
<releases>
<enabled>false</enabled>
</releases>
</repository>
</repositories>
<pluginRepositories>
<pluginRepository>
<id>spring-milestones</id>
<name>Spring Milestones</name>
<url>https://repo.spring.io/milestone</url>
<snapshots>
<enabled>false</enabled>
</snapshots>
</pluginRepository>
<pluginRepository>
<id>spring-snapshots</id>
<name>Spring Snapshots</name>
<url>https://repo.spring.io/snapshot</url>
<releases>
<enabled>false</enabled>
</releases>
</pluginRepository>
</pluginRepositories>
</project>
src/main/java/com/example/demo/DemoApplication.java 0 → 100644
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package com.example.demo;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class DemoApplication {
public static void main(String[] args) {
SpringApplication.run(DemoApplication.class, args);
}
}
src/main/java/com/example/demo/controller/ProductController.java 0 → 100644
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package com.example.demo.controller;
import com.example.demo.dto.ProductDto;
import com.example.demo.service.ProductService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
@RestController
@RequestMapping("/products")
public class ProductController {
@Autowired
private ProductService service;
@GetMapping
public Flux<ProductDto> getProducts(){
return service.getProducts();
}
@GetMapping("/{id}")
public Mono<ProductDto> getProduct(@PathVariable String id){
return service.getProduct(id);
}
@GetMapping("/product-range")
public Flux<ProductDto> getProductBetweenRange(@RequestParam("min") double min, @RequestParam("max")double max){
return service.getProductInRange(min,max);
}
@PostMapping
public Mono<ProductDto> saveProduct(@RequestBody Mono<ProductDto> productDtoMono){
System.out.println("controller method called ...");
return service.saveProduct(productDtoMono);
}
@PutMapping("/update/{id}")
public Mono<ProductDto> updateProduct(@RequestBody Mono<ProductDto> productDtoMono,@PathVariable String id){
return service.updateProduct(productDtoMono,id);
}
@DeleteMapping("/delete/{id}")
public Mono<Void> deleteProduct(@PathVariable String id){
return service.deleteProduct(id);
}
}
src/main/java/com/example/demo/dto/ProductDto.java 0 → 100644
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package com.example.demo.dto;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
@Data
@AllArgsConstructor
@NoArgsConstructor
public class ProductDto {
private String id;
private String name;
private int qty;
private double price;
}
src/main/java/com/example/demo/entity/Product.java 0 → 100644
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package com.example.demo.entity;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import org.springframework.data.annotation.Id;
import org.springframework.data.mongodb.core.mapping.Document;
@Data
@AllArgsConstructor
@NoArgsConstructor
@Document(collection = "products")
public class Product {
@Id
private String id;
private String name;
private int qty;
private double price;
}
src/main/java/com/example/demo/repository/ProductRepository.java 0 → 100644
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package com.example.demo.repository;
import com.example.demo.dto.ProductDto;
import com.example.demo.entity.Product;
import org.springframework.data.domain.Range;
import org.springframework.data.mongodb.repository.ReactiveMongoRepository;
import org.springframework.stereotype.Repository;
import reactor.core.publisher.Flux;
@Repository
public interface ProductRepository extends ReactiveMongoRepository<Product,String> {
Flux<ProductDto> findByPriceBetween(Range<Double> priceRange);
}
src/main/java/com/example/demo/service/ProductService.java 0 → 100644
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package com.example.demo.service;
import com.example.demo.dto.ProductDto;
import com.example.demo.repository.ProductRepository;
import com.example.demo.utils.AppUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Range;
import org.springframework.stereotype.Service;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
@Service
public class ProductService {
@Autowired
private ProductRepository repository;
public Flux<ProductDto> getProducts(){
return repository.findAll().map(AppUtils::entityToDto);
}
public Mono<ProductDto> getProduct(String id){
return repository.findById(id).map(AppUtils::entityToDto);
}
public Flux<ProductDto> getProductInRange(double min,double max){
return repository.findByPriceBetween(Range.closed(min,max));
}
public Mono<ProductDto> saveProduct(Mono<ProductDto> productDtoMono){
System.out.println("service method called ...");
return productDtoMono.map(AppUtils::dtoToEntity)
.flatMap(repository::insert)
.map(AppUtils::entityToDto);
}
public Mono<ProductDto> updateProduct(Mono<ProductDto> productDtoMono,String id){
return repository.findById(id)
.flatMap(p->productDtoMono.map(AppUtils::dtoToEntity)
.doOnNext(e->e.setId(id)))
.flatMap(repository::save)
.map(AppUtils::entityToDto);
}
public Mono<Void> deleteProduct(String id){
return repository.deleteById(id);
}
}
src/main/java/com/example/demo/utils/AppUtils.java 0 → 100644
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package com.example.demo.utils;
import com.example.demo.dto.ProductDto;
import com.example.demo.entity.Product;
import org.springframework.beans.BeanUtils;
public class AppUtils {
public static ProductDto entityToDto(Product product) {
ProductDto productDto = new ProductDto();
BeanUtils.copyProperties(product, productDto);
return productDto;
}
public static Product dtoToEntity(ProductDto productDto) {
Product product = new Product();
BeanUtils.copyProperties(productDto, product);
return product;
}
}
src/main/resources/Data.txt 0 → 100644
View file @ f9a01a84
[
{
"id": "6424a09332c9d22a2d206609",
"name": "Books",
"qty": 40,
"price": 400.0
},
{
"id": "6424a0f432c9d22a2d20660a",
"name": "TV",
"qty": 2,
"price": 200000.0
},
{
"id": "6424a11732c9d22a2d20660b",
"name": "Books",
"qty": 4,
"price": 400.0
}
]
\ No newline at end of file
src/main/resources/application.yml 0 → 100644
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spring:
data:
mongodb:
database: Productsdb
host: localhost
port: 27017
server:
port: 9292
\ No newline at end of file
src/test/java/com/example/demo/DemoApplicationTests.java 0 → 100644
View file @ f9a01a84
package com.example.demo;
import com.example.demo.controller.ProductController;
import com.example.demo.dto.ProductDto;
import com.example.demo.service.ProductService;
import org.junit.jupiter.api.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.web.reactive.WebFluxTest;
import org.springframework.boot.test.mock.mockito.MockBean;
import org.springframework.test.context.junit4.SpringRunner;
import org.springframework.test.web.reactive.server.WebTestClient;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import reactor.test.StepVerifier;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.when;
import static org.mockito.BDDMockito.given;
@RunWith(SpringRunner.class)
@WebFluxTest(ProductController.class)
class DemoApplicationTests {
@Autowired
private WebTestClient webTestClient;
@MockBean
private ProductService service;
@Test
public void addProductTest(){
Mono<ProductDto> productDtoMono= Mono.just(new ProductDto("6424a09332c9d22a2d206609","mobile",1,10000));
when(service.saveProduct(productDtoMono)).thenReturn(productDtoMono);
webTestClient.post().uri("/products")
.body(Mono.just(productDtoMono),ProductDto.class)
.exchange()
.expectStatus().isOk();//200
}
@Test
public void getProductsTest(){
Flux<ProductDto> productDtoFlux=Flux.just(new ProductDto("6424a09332c9d22a2d206609","Mobile",40,14000),
new ProductDto("6424a0f432c9d22a2d20660a","TV",2,200000));
when(service.getProducts()).thenReturn(productDtoFlux);
Flux<ProductDto> responseBody = webTestClient.get().uri("/products")
.exchange()
.expectStatus().isOk()
.returnResult(ProductDto.class)
.getResponseBody();
StepVerifier.create(responseBody)
.expectSubscription()
.expectNext(new ProductDto("6424a09332c9d22a2d206609","Mobile",40,14000))
.expectNext(new ProductDto("6424a0f432c9d22a2d20660a","TV",2,200000))
.verifyComplete();
}
@Test
public void getProductTest(){
Mono<ProductDto> productDtoMono=Mono.just(new ProductDto("102","mobile_iPhone",1,10000));
when(service.getProduct(any())).thenReturn(productDtoMono);
Flux<ProductDto> responseBody = webTestClient.get().uri("/products/102")
.exchange()
.expectStatus().isOk()
.returnResult(ProductDto.class)
.getResponseBody();
StepVerifier.create(responseBody)
.expectSubscription()
.expectNextMatches(p->p.getName().equals("mobile_iPhone"))
.verifyComplete();
}
@Test
public void updateProductTest(){
Mono<ProductDto> productDtoMono=Mono.just(new ProductDto("102","mobile-iPhone",1,10000));
when(service.updateProduct(productDtoMono,"102")).thenReturn(productDtoMono);
webTestClient.put().uri("/products/update/102")
.body(Mono.just(productDtoMono),ProductDto.class)
.exchange()
.expectStatus().isOk();//200
}
@Test
public void deleteProductTest(){
given(service.deleteProduct(any())).willReturn(Mono.empty());
webTestClient.delete().uri("/products/delete/102")
.exchange()
.expectStatus().isOk();//200
}
}
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