add README

.gitignore

+HELP.md
+.gradle
+build/
+!gradle/wrapper/gradle-wrapper.jar
+!**/src/main/**
+!**/src/test/**
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+out/
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+
+### VS Code ###
+.vscode/

build.gradle

+plugins {
+	id 'org.springframework.boot' version '2.2.4.RELEASE'
+	id 'io.spring.dependency-management' version '1.0.9.RELEASE'
+	id 'java'
+}
+group = 'com.safeway.poc'
+version = '0.0.1-SNAPSHOT'
+sourceCompatibility = '1.8'
+
+configurations {
+	developmentOnly
+	runtimeClasspath {
+		extendsFrom developmentOnly
+	}
+}
+
+repositories {
+	mavenCentral()
+	maven {
+		url 'http://oss.jfrog.org/artifactory/oss-snapshot-local/'
+	}
+}
+
+dependencies {
+	implementation 'org.springframework.boot:spring-boot-starter-data-mongodb-reactive'
+	implementation group: 'org.projectlombok', name: 'lombok', version: '1.18.8'
+	implementation 'org.springframework.boot:spring-boot-starter-webflux'
+	developmentOnly 'org.springframework.boot:spring-boot-devtools'
+	compile group: 'com.querydsl', name: 'querydsl-jpa', version: '4.2.0'
+	compile group: 'org.mapstruct', name: 'mapstruct-jdk8', version: '1.3.1.Final'
+	runtime "org.springframework.boot:spring-boot-starter-cache"
+	//compile group: 'io.springfox', name: 'springfox-swagger2', version: '2.9.2'
+	//compile group: 'io.springfox', name: 'springfox-swagger-ui', version: '2.9.2'
+	compile 'io.springfox:springfox-swagger2:3.0.0-SNAPSHOT'
+	compile 'io.springfox:springfox-swagger-ui:3.0.0-SNAPSHOT'
+	compile 'io.springfox:springfox-spring-webflux:3.0.0-SNAPSHOT'
+	compile group: 'org.mapstruct', name: 'mapstruct-jdk8', version: '1.3.0.Final'
+	compile group: 'org.mapstruct', name: 'mapstruct-processor', version: '1.3.0.Final'
+
+
+	annotationProcessor(
+			"com.querydsl:querydsl-apt",
+	)
+	
+	testImplementation('org.springframework.boot:spring-boot-starter-test') {
+		exclude group: 'org.junit.vintage', module: 'junit-vintage-engine'
+	}
+	testImplementation 'io.projectreactor:reactor-test'
+}
+
+test {
+	useJUnitPlatform()
+}

gradle/wrapper/gradle-wrapper.properties

+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.0.1-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

gradlew

+#!/usr/bin/env sh
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=$(save "$@")
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"

gradlew.bat

+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

settings.gradle

+rootProject.name = 'SafeWayPOC'

src/main/java/com/safeway/poc/SafeWayPocApplication.java

+package com.safeway.poc;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SafeWayPocApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(SafeWayPocApplication.class, args);
+	}
+
+}

src/main/java/com/safeway/poc/bean/DeliveryInfo.java

+package com.safeway.poc.bean;
+
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.experimental.FieldDefaults;
+
+import java.time.LocalDate;
+import java.util.Optional;
+
+
+@Data
+@FieldDefaults(makeFinal = false, level = AccessLevel.PRIVATE)
+public class DeliveryInfo {
+      LocalDate deliveryDate;
+      Integer deliveryFee;
+      Boolean inStock;
+
+    public Optional<LocalDate> getDeliveryDate() {
+        return Optional.ofNullable(deliveryDate);
+    }
+
+    public Optional<Integer> getDeliveryFee() {
+        return Optional.ofNullable(deliveryFee);
+    }
+
+    public Optional<Boolean> isInStock() {
+        return Optional.ofNullable(inStock);
+    }
+}

src/main/java/com/safeway/poc/bean/ErrorLogoto.java

+package com.safeway.poc.bean;
+
+public class ErrorLogoto extends LegoSet{
+
+
+    private String message;
+
+    public String getMessage() {
+        return message;
+    }
+
+    public void setMessage(String message) {
+        this.message = message;
+    }
+
+
+}

src/main/java/com/safeway/poc/bean/LegoSet.java

+package com.safeway.poc.bean;
+
+import com.safeway.poc.dto.DeliveryInfoDTO;
+import com.safeway.poc.dto.LegoSetDifficultyDTO;
+import com.safeway.poc.dto.PaymentOptionsDTO;
+import com.safeway.poc.dto.ProductReviewDTO;
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.experimental.FieldDefaults;
+import org.springframework.data.annotation.Id;
+import org.springframework.data.mongodb.core.index.IndexDirection;
+import org.springframework.data.mongodb.core.index.Indexed;
+import org.springframework.data.mongodb.core.index.TextIndexed;
+import org.springframework.data.mongodb.core.mapping.DBRef;
+import org.springframework.data.mongodb.core.mapping.Document;
+import org.springframework.data.mongodb.core.mapping.Field;
+
+import java.util.Collection;
+import java.util.List;
+import java.util.Optional;
+@Data
+@AllArgsConstructor
+@FieldDefaults(makeFinal = false, level = AccessLevel.PRIVATE)
+public class LegoSet {
+
+    String id;
+    String name;
+    LegoSetDifficultyDTO difficulty;
+    String theme;
+    Collection<ProductReviewDTO> reviews ;
+    DeliveryInfoDTO deliveryInfo;
+    PaymentOptionsDTO paymentOptions;
+
+    public LegoSet() {
+    }
+
+    public Optional<String> getId() {
+        return Optional.ofNullable(id);
+    }
+
+    public Optional<String> getName() {
+        return Optional.ofNullable(name);
+    }
+
+    public Optional<LegoSetDifficultyDTO> getDifficulty() {
+        return Optional.ofNullable(difficulty);
+    }
+
+    public Optional<String> getTheme() {
+        return Optional.ofNullable(theme);
+    }
+
+    public Optional<Collection<ProductReviewDTO>> getReviews() {
+        return Optional.ofNullable(reviews);
+    }
+
+    public Optional<DeliveryInfoDTO> getDeliveryInfo() {
+        return Optional.ofNullable(deliveryInfo);
+    }
+
+    public Optional<PaymentOptionsDTO> getPaymentOptions() {
+        return Optional.ofNullable(paymentOptions);
+    }
+}

src/main/java/com/safeway/poc/bean/LegoSetDifficulty.java

+package com.safeway.poc.bean;
+
+public enum LegoSetDifficulty {
+
+    NOT_AVAILABLE,
+    EASY,
+    MEDIUM,
+    HARD
+
+}

src/main/java/com/safeway/poc/bean/PaymentOptions.java

+package com.safeway.poc.bean;
+
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.experimental.FieldDefaults;
+import org.springframework.data.annotation.Id;
+import org.springframework.data.mongodb.core.mapping.Document;
+
+import java.util.Optional;
+
+
+@Data
+@FieldDefaults(makeFinal = false, level = AccessLevel.PRIVATE)
+@Document
+public class PaymentOptions {
+
+    String id;
+    PaymentType type;
+    String fee;
+
+
+    public Optional<String> getId() {
+        return Optional.ofNullable(id);
+    }
+
+    public Optional<PaymentType> getType() {
+        return Optional.ofNullable(type);
+    }
+
+    public Optional<String> getFee() {
+        return Optional.ofNullable(fee);
+    }
+}

src/main/java/com/safeway/poc/bean/PaymentType.java

+package com.safeway.poc.bean;
+
+public enum PaymentType {
+    CreditCard,
+    PayPal,
+    Cash
+}

src/main/java/com/safeway/poc/bean/ProductReview.java

+package com.safeway.poc.bean;
+
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.experimental.FieldDefaults;
+import org.springframework.data.mongodb.core.index.TextIndexed;
+
+import java.util.Optional;
+
+
+@Data
+@FieldDefaults(makeFinal = false ,level= AccessLevel.PRIVATE)
+public class ProductReview {
+     String userName;
+     Integer rating;
+
+    public Optional<String> getUserName() {
+        return Optional.of(userName);
+    }
+
+    public Optional<Integer> getRating() {
+        return  Optional.of(rating);
+    }
+}

src/main/java/com/safeway/poc/controller/LegoStoreController.java

+package com.safeway.poc.controller;
+
+        import com.safeway.poc.bean.DeliveryInfo;
+        import com.safeway.poc.bean.LegoSet;
+        import com.safeway.poc.error.ErrorMessegeLogoto;
+        import com.safeway.poc.service.LegoSetService;
+        import org.springframework.beans.factory.annotation.Autowired;
+        import org.springframework.data.domain.Sort;
+        import org.springframework.web.bind.annotation.*;
+        import reactor.core.publisher.Flux;
+        import reactor.core.publisher.Mono;
+
+        import java.util.List;
+
+@RestController
+@RequestMapping("/legostore")
+public class LegoStoreController {
+
+    @Autowired
+    private LegoSetService legoSetService;
+
+    @PostMapping("/save")
+    public Mono<LegoSet> saveLegoSet(@RequestBody final LegoSet legoSet) {
+
+        return legoSetService.saveLegoSetData(legoSet).onErrorResume(e -> {
+
+                    ErrorMessegeLogoto eml = new ErrorMessegeLogoto();
+                    eml.setMessage("Error Occured while Inserting the  ::" + e.getMessage());
+                    return Mono.just(eml);
+                }
+        );
+
+    }
+
+    @GetMapping("/getLegoto/{id}")
+    public Mono<LegoSet> findLegoSet(@PathVariable("id") final String Id) {
+
+
+        return legoSetService.getLegoset(Id).switchIfEmpty(Mono.empty()).onErrorResume(e -> {
+                    ErrorMessegeLogoto em = new ErrorMessegeLogoto();
+                    em.setMessage("Error Occurred while While Retrieving the Data  :: ..  " + e.getMessage());
+                    return Mono.just(em);
+
+                }
+
+        );
+
+
+    }
+
+
+    @DeleteMapping("/delete/{id}")
+    public Mono<Void> delete(@PathVariable("id") final String id) {
+        return legoSetService.deleteById(id).onErrorResume(e -> {
+            ErrorMessegeLogoto em = new ErrorMessegeLogoto();
+            em.setMessage("Error Occurred while While deleting  the Data  ::  " + e.getMessage());
+            return Mono.empty();
+
+        });
+    }
+
+    @GetMapping("/findAllLegotos")
+    public Flux<LegoSet> findAllLegoSet() {
+
+        return legoSetService.findAllLegoSet().log().switchIfEmpty(Mono.empty()).onErrorResume(e -> {
+            ErrorMessegeLogoto em = new ErrorMessegeLogoto();
+            em.setMessage("Error Occurred while While Retrieving the Data .......... ..::  " + e.getMessage());
+            return Mono.just(em);
+
+        });
+
+    }
+
+    @PutMapping("/update")
+    public Mono<LegoSet> upadateLegoto(@RequestBody final LegoSet legoSet) {
+
+
+        return legoSetService.updateLegoSet(legoSet).onErrorResume(e -> {
+            ErrorMessegeLogoto em = new ErrorMessegeLogoto();
+            em.setMessage("Error Occurred while  Updating the Data  ::  " + e.getMessage());
+            return Mono.just(em);
+
+        });
+
+    }
+
+    @GetMapping("/count")
+    public Mono<Long> getCount() {
+        LegoSet legoset = new LegoSet();
+        return legoSetService.countLegoSet(legoset).onErrorResume(e -> {
+            ErrorMessegeLogoto em = new ErrorMessegeLogoto();
+            em.setMessage("Error Occurred while  Retrieving the Data  ::  " + e.getMessage());
+            return Mono.empty();
+
+        });
+    }
+    @GetMapping("/FindBySorting")
+    public Flux<LegoSet> findAllInSorting(){
+        //Sort sort= Sort.sort(LegoSet.class);
+        // Sort sort=Sort.unsorted();
+        Sort sort=Sort.by("name");
+
+        return legoSetService.findAllInSorting(sort).switchIfEmpty(Mono.empty()).onErrorResume(e -> {
+            ErrorMessegeLogoto em = new ErrorMessegeLogoto();
+            em.setMessage("Error Occurred while  Retrieving the Data  ::  " + e.getMessage());
+            return Mono.just(em);
+
+        });
+
+    }
+
+    @GetMapping("/deleteAll")
+    public Mono<Void> deleteAllLLegoSet() {
+
+        return legoSetService.deleteAllLLegoSet().onErrorResume(e -> {
+            ErrorMessegeLogoto em = new ErrorMessegeLogoto();
+            em.setMessage("Error Occurred while  deleting  the Data  ::  " + e.getMessage());
+            return Mono.empty();
+
+        });
+    }
+
+    @PostMapping("/addAll")
+    Flux<LegoSet> addAllLegoSet(@RequestBody List<LegoSet> legoSets){
+
+
+        return legoSetService.addAllLegoSet(legoSets).onErrorResume(e -> {
+            ErrorMessegeLogoto em = new ErrorMessegeLogoto();
+            em.setMessage("Error Occurred while  Inserting  the Data  ::  " + e.getMessage());
+            return Flux.empty();
+
+        });
+
+    }
+
+    @GetMapping("/getDeliveryInfo")
+    Flux<DeliveryInfo> getDeliveryInfo(){
+
+        return legoSetService.findByDeliveryInfo().onErrorResume(e -> {
+            ErrorMessegeLogoto em = new ErrorMessegeLogoto();
+            em.setMessage("Error Occurred  While Retrieving  the Data  ::  " + e.getMessage());
+            return Flux.empty();
+
+        });
+
+    }
+
+}

src/main/java/com/safeway/poc/controller/SwaggerApplication.java

+package com.safeway.poc.controller;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import springfox.documentation.builders.ApiInfoBuilder;
+import springfox.documentation.builders.RequestHandlerSelectors;
+import springfox.documentation.service.ApiInfo;
+import springfox.documentation.service.Contact;
+import springfox.documentation.spi.DocumentationType;
+import springfox.documentation.spring.web.plugins.Docket;
+import springfox.documentation.swagger2.annotations.EnableSwagger2WebFlux;
+
+import static springfox.documentation.builders.PathSelectors.regex;
+
+@Configuration
+@EnableSwagger2WebFlux
+public class SwaggerApplication {
+    @Bean
+    public Docket api() {
+        return new Docket(DocumentationType.SWAGGER_2).select()
+                .apis(RequestHandlerSelectors
+                        .basePackage("com.safeway.poc.controller"))
+                .paths(regex("/legostore.*"))
+                .build().apiInfo(apiEndPointsInfo());
+    }
+
+    private ApiInfo apiEndPointsInfo() {
+        return new ApiInfoBuilder().title("Spring Boot REST API")
+                .description("Safe way Retail ")
+                .contact(new Contact("Bhaskar Padala", "www.google.com", "bpadala@nisum.com"))
+                .license("Apache 2.0")
+                .licenseUrl("http://www.apache.org/licenses/LICENSE-2.0.html")
+                .version("1.0.0")
+                .build();
+    }
+}

src/main/java/com/safeway/poc/dto/DeliveryInfoDTO.java

+package com.safeway.poc.dto;
+
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.experimental.FieldDefaults;
+
+import java.time.LocalDate;
+import java.util.Optional;
+
+@Data
+@FieldDefaults(makeFinal = false, level = AccessLevel.PRIVATE)
+public class DeliveryInfoDTO {
+      LocalDate deliveryDate;
+      Integer deliveryFee;
+      Boolean inStock;
+
+    public Optional<LocalDate> getDeliveryDate() {
+        return Optional.ofNullable(deliveryDate);
+    }
+
+    public Optional<Integer> getDeliveryFee() {
+        return Optional.ofNullable(deliveryFee);
+    }
+
+    public Optional<Boolean> isInStock() {
+        return Optional.ofNullable(inStock);
+    }
+}

src/main/java/com/safeway/poc/dto/ErrorLogotoDTO.java

+package com.safeway.poc.dto;
+
+public class ErrorLogotoDTO {
+
+
+    private String message;
+
+    public String getMessage() {
+        return message;
+    }
+
+    public void setMessage(String message) {
+        this.message = message;
+    }
+
+
+}

src/main/java/com/safeway/poc/dto/LegoSetDTO.java

+package com.safeway.poc.dto;
+
+import lombok.*;
+import lombok.experimental.FieldDefaults;
+import org.springframework.data.annotation.Id;
+import org.springframework.data.mongodb.core.index.IndexDirection;
+import org.springframework.data.mongodb.core.index.Indexed;
+import org.springframework.data.mongodb.core.index.TextIndexed;
+import org.springframework.data.mongodb.core.mapping.DBRef;
+import org.springframework.data.mongodb.core.mapping.Document;
+import org.springframework.data.mongodb.core.mapping.Field;
+
+import java.util.Collection;
+import java.util.Optional;
+@Data
+@FieldDefaults(makeFinal = false, level = AccessLevel.PRIVATE)
+@Document(collection = "legosets")
+public class LegoSetDTO {
+    @Id
+    String id;
+    @TextIndexed
+    String name;
+    LegoSetDifficultyDTO difficulty;
+    @TextIndexed
+    @Indexed(direction = IndexDirection.ASCENDING)
+    String theme;
+    Collection<ProductReviewDTO> reviews ;
+
+    @Field("delivery")
+    DeliveryInfoDTO deliveryInfo;
+
+
+    PaymentOptionsDTO paymentOptions;
+
+    public Optional<String> getId() {
+        return Optional.ofNullable(id);
+    }
+
+    public Optional<String> getName() {
+        return Optional.ofNullable(name);
+    }
+
+    public Optional<LegoSetDifficultyDTO> getDifficulty() {
+        return Optional.ofNullable(difficulty);
+    }
+
+    public Optional<String> getTheme() {
+        return Optional.ofNullable(theme);
+    }
+
+    public Optional<Collection<ProductReviewDTO>> getReviews() {
+        return Optional.ofNullable(reviews);
+    }
+
+    public Optional<DeliveryInfoDTO> getDeliveryInfo() {
+        return Optional.ofNullable(deliveryInfo);
+    }
+
+    public Optional<PaymentOptionsDTO> getPaymentOptions() {
+        return Optional.ofNullable(paymentOptions);
+    }
+}

src/main/java/com/safeway/poc/dto/LegoSetDifficultyDTO.java

+package com.safeway.poc.dto;
+
+public enum LegoSetDifficultyDTO {
+
+    NOT_AVAILABLE,
+    EASY,
+    MEDIUM,
+    HARD
+
+}

src/main/java/com/safeway/poc/dto/PaymentOptionsDTO.java

+package com.safeway.poc.dto;
+
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.experimental.FieldDefaults;
+import org.springframework.data.annotation.Id;
+import org.springframework.data.mongodb.core.mapping.Document;
+
+import java.util.Optional;
+
+@Data
+@FieldDefaults(makeFinal = false, level = AccessLevel.PRIVATE)
+@Document
+public class PaymentOptionsDTO {
+
+    @Id
+    String id;
+    PaymentTypeDTO type;
+    String fee;
+
+
+    public Optional<String> getId() {
+        return Optional.ofNullable(id);
+    }
+
+    public Optional<PaymentTypeDTO> getType() {
+        return Optional.ofNullable(type);
+    }
+
+    public Optional<String> getFee() {
+        return Optional.ofNullable(fee);
+    }
+}

src/main/java/com/safeway/poc/dto/PaymentTypeDTO.java

+package com.safeway.poc.dto;
+
+public enum PaymentTypeDTO {
+    CreditCard,
+    PayPal,
+    Cash
+}

src/main/java/com/safeway/poc/dto/ProductReviewDTO.java

+package com.safeway.poc.dto;
+
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.experimental.FieldDefaults;
+import org.springframework.data.mongodb.core.index.TextIndexed;
+
+import java.util.Optional;
+
+@Data
+@FieldDefaults(makeFinal = false ,level= AccessLevel.PRIVATE)
+public class ProductReviewDTO {
+     @TextIndexed
+     String userName;
+     Integer rating;
+    public Optional<String> getUserName() {
+        return Optional.of(userName);
+    }
+
+    public Optional<Integer> getRating() {
+        return  Optional.of(rating);
+    }
+}

src/main/java/com/safeway/poc/error/ErrorMessegeLogoto.java

+package com.safeway.poc.error;
+
+import com.safeway.poc.bean.LegoSet;
+
+public class ErrorMessegeLogoto extends LegoSet {
+
+    private String message;
+
+    public String getMessage() {
+        return message;
+    }
+
+    public void setMessage(String message) {
+        this.message = message;
+    }
+
+}

src/main/java/com/safeway/poc/mapper/IOptionalMapper.java

+package com.safeway.poc.mapper;
+
+import java.util.Optional;
+
+public interface IOptionalMapper {
+
+    default <T> T fromOptional(final Optional<T> o) {
+        return o.orElse(null);
+    }
+
+    default <T> Optional<T> toOptional(final T value) {
+        return Optional.ofNullable(value);
+    }
+}

src/main/java/com/safeway/poc/mapper/LogotoMapper.java

+package com.safeway.poc.mapper;
+
+import com.safeway.poc.bean.*;
+import com.safeway.poc.dto.*;
+import org.mapstruct.Mapper;
+
+import java.util.Collection;
+
+@Mapper
+public interface LogotoMapper extends IOptionalMapper {
+
+
+    LegoSetDTO convertLegoSetToLegoSetDTO(LegoSet destination);
+
+    Collection<LegoSetDTO> convertLegoSetToLegoSetDTOCollection(Collection<LegoSet> destination);
+
+    LegoSetDifficultyDTO convertLegoSetDifficultyToLegoSetDifficultyDTO(LegoSetDifficulty legoSetDifficulty);
+
+    ProductReviewDTO convertDTOToBean(ProductReview reviews);
+
+    Collection<ProductReviewDTO> convertProductReviewToProductReviewDTOList(Collection<ProductReview> reviews);
+
+    DeliveryInfoDTO convertDeliveryInfoToDeliveryInfoDTO(DeliveryInfo deliveryInfo);
+
+    PaymentTypeDTO convertPaymentTypeToPaymentTypeDTO(PaymentType paymentType);
+
+    PaymentOptionsDTO convertPaymentOptionsToPaymentOptionsDTO(PaymentOptions paymentOptions);
+
+
+    LegoSet convertLegoSetDTOToLegoSet(LegoSetDTO legoSetDTO);
+
+    LegoSetDifficulty convertLegoSetDifficultyDTOToLegoSetDifficulty(LegoSetDifficultyDTO legoSetDifficulty);
+
+    ProductReview convertBeanToDTO(ProductReviewDTO reviews);
+
+    Collection<ProductReview> convertProductReviewTOListProductReviewList(Collection<ProductReviewDTO> ProductReview);
+
+    DeliveryInfo convertDeliveryInfoDTOToDeliveryInfoDelivery(DeliveryInfoDTO deliveryInfo);
+
+    PaymentType convertPaymentTypeDTOToPaymentType(PaymentTypeDTO paymentType);
+
+    PaymentOptions convertPaymentOptionsDTOToPaymentOptions(PaymentOptionsDTO paymentOptions);
+
+    Collection<LegoSet> convertLegoSetDTOToLegoSetCollection(Collection<LegoSetDTO> destination);
+
+}

src/main/java/com/safeway/poc/repository/DbSeeder.java

+package com.safeway.poc.repository;
+
+import com.safeway.poc.dto.*;
+import org.springframework.boot.CommandLineRunner;
+import org.springframework.data.mongodb.core.MongoTemplate;
+import org.springframework.stereotype.Service;
+
+import java.time.LocalDate;
+import java.util.Arrays;
+import java.util.Collection;
+
+
+public class DbSeeder  {
+    /*private LegoSetRepository legoSetRepository;
+    private MongoTemplate mongoTemplate;
+
+    public DbSeeder(LegoSetRepository legoSetRepository, MongoTemplate mongoTemplate) {
+        this.legoSetRepository = legoSetRepository;
+        this.mongoTemplate = mongoTemplate;
+    }
+
+    @Override
+    public void run(String... args) {
+        this.legoSetRepository.deleteAll();
+        this.mongoTemplate.dropCollection(PaymentOptionsDTO.class);
+
+        *//*
+        Payment Options
+         *//*
+
+        PaymentOptionsDTO creditCardPayment = new PaymentOptionsDTO("10", PaymentTypeDTO.CreditCard,"100000");
+        PaymentOptionsDTO payPalPayment = new PaymentOptionsDTO("11", PaymentTypeDTO.PayPal,"200000");
+        PaymentOptionsDTO cashPayment = new PaymentOptionsDTO("12", PaymentTypeDTO.Cash,"300000");
+        this.mongoTemplate.insert(creditCardPayment);
+        this.mongoTemplate.insert(payPalPayment);
+        this.mongoTemplate.insert(cashPayment);
+
+        *//*
+        Lego Sets
+         *//*
+
+        LegoSetDTO milleniumFalcon = new LegoSetDTO("1",
+                "Millennium Falcon",
+                LegoSetDifficultyDTO.HARD,
+                "Star Wars",
+                Arrays.asList(
+                new ProductReviewDTO("Dan", 7),
+                new ProductReviewDTO("Anna", 10),
+                new ProductReviewDTO("John", 8)),
+                new DeliveryInfoDTO(LocalDate.now().plusDays(1), 30, true),
+                creditCardPayment);
+
+        LegoSetDTO skyPolice = new LegoSetDTO("2",
+                "Sky Police Air Base",
+                LegoSetDifficultyDTO.MEDIUM,
+                "City",
+
+                Arrays.asList(
+                        new ProductReviewDTO("Dan", 5),
+                        new ProductReviewDTO("Andrew", 8)
+                ),new DeliveryInfoDTO(LocalDate.now().plusDays(3), 50, true),
+                creditCardPayment);
+
+        LegoSetDTO mcLarenSenna = new LegoSetDTO("3",
+                "McLaren Senna",
+                LegoSetDifficultyDTO.EASY,
+                "Speed Champions",
+                Arrays.asList(
+                        new ProductReviewDTO("Bogdan", 9),
+                        new ProductReviewDTO("Christa", 9)
+                ),
+                new DeliveryInfoDTO(LocalDate.now().plusDays(7), 70, false),
+
+                payPalPayment);
+
+        LegoSetDTO mindstormsEve = new LegoSetDTO("4",
+                "MINDSTORMS EV3",
+                LegoSetDifficultyDTO.HARD,
+                "Mindstorms",
+                Arrays.asList(
+                        new ProductReviewDTO("Cosmin", 10),
+                        new ProductReviewDTO("Jane", 9),
+                        new ProductReviewDTO("James", 10)
+                ),
+                new DeliveryInfoDTO(LocalDate.now().plusDays(10), 100, false),
+
+                cashPayment);
+
+        Collection<LegoSetDTO> initialProducts = Arrays.asList(milleniumFalcon, mindstormsEve,mcLarenSenna,skyPolice);
+
+        this.legoSetRepository.insert(initialProducts);
+    }*/
+}

src/main/java/com/safeway/poc/repository/LegoSetRepository.java

+package com.safeway.poc.repository;
+
+import com.safeway.poc.dto.DeliveryInfoDTO;
+import com.safeway.poc.dto.LegoSetDTO;
+import org.springframework.data.mongodb.core.query.Query;
+import org.springframework.data.mongodb.core.query.Update;
+import org.springframework.data.mongodb.repository.ReactiveMongoRepository;
+import org.springframework.stereotype.Repository;
+import reactor.core.publisher.Flux;
+
+public interface LegoSetRepository extends ReactiveMongoRepository<LegoSetDTO,String> {
+
+
+    Flux<DeliveryInfoDTO> findByDeliveryInfo(DeliveryInfoDTO Dto);
+
+
+}

src/main/java/com/safeway/poc/service/LegoSetService.java

+package com.safeway.poc.service;
+
+import com.safeway.poc.bean.DeliveryInfo;
+import com.safeway.poc.bean.LegoSet;
+import org.springframework.data.domain.Sort;
+import reactor.core.publisher.Flux;
+import reactor.core.publisher.Mono;
+
+import java.util.List;
+
+public interface LegoSetService {
+
+    Mono<LegoSet> saveLegoSetData(LegoSet legoSet);
+
+    Mono<LegoSet> getLegoset(String id);
+
+    Mono<Void> deleteById(String id);
+
+    Flux<LegoSet> findAllLegoSet();
+
+    Mono<LegoSet> updateLegoSet(LegoSet legoSet);
+
+    Mono<Long> countLegoSet(LegoSet legoSet);
+
+    Flux<LegoSet> findAllInSorting(Sort sort);
+
+    Mono<Void> deleteAllLLegoSet();
+
+    Flux<LegoSet> addAllLegoSet(List<LegoSet> legoSet);
+    Flux<DeliveryInfo> findByDeliveryInfo();
+
+
+}

src/main/java/com/safeway/poc/service/LegoSetServiceImpl.java

+package com.safeway.poc.service;
+
+import com.safeway.poc.bean.DeliveryInfo;
+import com.safeway.poc.bean.LegoSet;
+import com.safeway.poc.dto.LegoSetDTO;
+import com.safeway.poc.mapper.LogotoMapper;
+import com.safeway.poc.repository.LegoSetRepository;
+import org.mapstruct.factory.Mappers;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.domain.Sort;
+import org.springframework.stereotype.Service;
+import reactor.core.publisher.Flux;
+import reactor.core.publisher.Mono;
+
+import java.util.Collection;
+import java.util.List;
+
+@Service
+public class LegoSetServiceImpl implements LegoSetService {
+    @Autowired
+    private LegoSetRepository legoSetRepository;
+    private LogotoMapper mapper = Mappers.getMapper(LogotoMapper.class);
+
+    @Override
+    public Mono<LegoSet> saveLegoSetData(LegoSet legoSet) {
+
+        LegoSetDTO dto = mapper.convertLegoSetToLegoSetDTO(legoSet);
+
+        Mono<LegoSetDTO> insert = legoSetRepository.insert(dto);
+
+        return insert.map(restlt -> {
+
+                    return mapper.convertLegoSetDTOToLegoSet(restlt);
+                }
+        );
+    }
+
+    @Override
+    public Mono<LegoSet> getLegoset(String Id) {
+
+        Mono<LegoSetDTO> legoSetDTOMono = legoSetRepository.findById(Id);
+
+        return legoSetDTOMono.map(responseDTO -> {
+
+            return mapper.convertLegoSetDTOToLegoSet(responseDTO);
+        });
+    }
+
+    @Override
+    public Mono<Void> deleteById(String id) {
+
+
+        return legoSetRepository.deleteById(id);
+    }
+
+    @Override
+    public Flux<LegoSet> findAllLegoSet() {
+
+        return legoSetRepository.findAll().map(legoSetDTO -> {
+
+
+                    return mapper.convertLegoSetDTOToLegoSet(legoSetDTO);
+                }
+        );
+
+    }
+
+    @Override
+    public Mono<LegoSet> updateLegoSet(LegoSet legoSet) {
+
+
+        LegoSetDTO legoSetDTO = mapper.convertLegoSetToLegoSetDTO(legoSet);
+
+
+        return legoSetRepository.save(legoSetDTO).map(result -> {
+
+            return mapper.convertLegoSetDTOToLegoSet(result);
+
+        });
+
+
+    }
+
+    public Mono<Long> countLegoSet(LegoSet legoSet) {
+
+        return legoSetRepository.count();
+
+    }
+
+    @Override
+    public Flux<LegoSet> findAllInSorting(Sort sort) {
+
+        return legoSetRepository.findAll().map(legoSetDTO -> {
+
+
+                    return mapper.convertLegoSetDTOToLegoSet(legoSetDTO);
+                }
+        );
+    }
+
+    @Override
+    public Mono<Void> deleteAllLLegoSet() {
+
+        Mono<Void> voidMono = legoSetRepository.deleteAll();
+
+        return voidMono;
+
+
+    }
+
+    @Override
+    public Flux<LegoSet> addAllLegoSet(List<LegoSet> legoSet) {
+
+        Collection<LegoSetDTO> legoSetDTOS = mapper.convertLegoSetToLegoSetDTOCollection(legoSet);
+
+
+        return legoSetRepository.saveAll(legoSetDTOS).map(legoDto -> {
+
+
+            return mapper.convertLegoSetDTOToLegoSet(legoDto);
+
+
+        });
+
+
+    }
+
+
+    @Override
+    public Flux<DeliveryInfo> findByDeliveryInfo() {
+
+
+        Flux<LegoSetDTO> byDeliveryInfoDto = legoSetRepository.findAll();
+
+        return byDeliveryInfoDto
+                .map(legoSetDTO1 -> {
+
+                            mapper.convertDeliveryInfoDTOToDeliveryInfoDelivery(legoSetDTO1.getDeliveryInfo().get());
+
+                            return mapper.convertDeliveryInfoDTOToDeliveryInfoDelivery(legoSetDTO1.getDeliveryInfo().get());
+                        }
+
+
+                );
+    }
+
+
+}

src/main/resources/application.yml

+server:
+  port: 8082
+  data:
+    mongo:
+      host: localhost
+      port: 27017
+      mongodb :
+        database: Logoto