├── .gitignore ├── README.md ├── build.gradle ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat ├── settings.gradle └── src ├── main ├── kotlin │ └── com │ │ └── auth0 │ │ └── kotlingraphql │ │ ├── KotlinGraphqlApplication.kt │ │ ├── SecurityConfig.kt │ │ ├── entity │ │ ├── Review.kt │ │ └── Snack.kt │ │ ├── repository │ │ ├── ReviewRepository.kt │ │ └── SnackRepository.kt │ │ └── resolvers │ │ ├── ReviewMutationResolver.kt │ │ ├── ReviewQueryResolver.kt │ │ ├── SnackMutationResolver.kt │ │ └── SnackQueryResolver.kt └── resources │ ├── application.properties │ ├── review.graphqls │ └── snack.graphqls └── test └── kotlin └── com └── auth0 └── kotlingraphql └── KotlinGraphqlApplicationTests.kt /.gitignore: -------------------------------------------------------------------------------- 1 | HELP.md 2 | .gradle 3 | /build/ 4 | !gradle/wrapper/gradle-wrapper.jar 5 | 6 | ### STS ### 7 | .apt_generated 8 | .classpath 9 | .factorypath 10 | .project 11 | .settings 12 | .springBeans 13 | .sts4-cache 14 | 15 | ### IntelliJ IDEA ### 16 | .idea 17 | *.iws 18 | *.iml 19 | *.ipr 20 | /out/ 21 | 22 | ### NetBeans ### 23 | /nbproject/private/ 24 | /nbbuild/ 25 | /dist/ 26 | /nbdist/ 27 | /.nb-gradle/ 28 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Building GraphQL APIs with Kotlin, Spring Boot, and MongoDB 2 | 3 | In this article, you will learn how to build GraphQL APIs with Kotlin, Spring Boot, and MongoDB. Also, as you wouldn't want to publish unsecure APIs, you will learn how to secure this stack with Auth0. 4 | 5 | Read more at: https://auth0.com/blog/building-graphql-apis-with-kotlin-spring-boot-and-mongodb/ 6 | -------------------------------------------------------------------------------- /build.gradle: -------------------------------------------------------------------------------- 1 | plugins { 2 | id 'org.springframework.boot' version '2.1.3.RELEASE' 3 | id 'org.jetbrains.kotlin.jvm' version '1.3.21' 4 | id 'org.jetbrains.kotlin.plugin.spring' version '1.3.21' 5 | } 6 | 7 | apply plugin: 'io.spring.dependency-management' 8 | 9 | group = 'com.auth0' 10 | version = '0.0.1-SNAPSHOT' 11 | sourceCompatibility = '1.8' 12 | 13 | repositories { 14 | mavenCentral() 15 | } 16 | 17 | dependencies { 18 | implementation 'org.springframework.boot:spring-boot-starter-data-mongodb' 19 | implementation 'org.springframework.boot:spring-boot-starter-web' 20 | implementation 'com.fasterxml.jackson.module:jackson-module-kotlin' 21 | implementation 'org.jetbrains.kotlin:kotlin-reflect' 22 | implementation 'org.jetbrains.kotlin:kotlin-stdlib-jdk8' 23 | testImplementation 'org.springframework.boot:spring-boot-starter-test' 24 | implementation 'com.graphql-java:graphql-spring-boot-starter:5.0.2' 25 | implementation 'com.graphql-java:graphiql-spring-boot-starter:5.0.2' 26 | implementation 'com.graphql-java:graphql-java-tools:5.2.4' 27 | implementation 'org.springframework.security.oauth.boot:spring-security-oauth2-autoconfigure:2.1.3.RELEASE' 28 | } 29 | 30 | compileKotlin { 31 | kotlinOptions { 32 | freeCompilerArgs = ['-Xjsr305=strict'] 33 | jvmTarget = '1.8' 34 | } 35 | } 36 | 37 | compileTestKotlin { 38 | kotlinOptions { 39 | freeCompilerArgs = ['-Xjsr305=strict'] 40 | jvmTarget = '1.8' 41 | } 42 | } 43 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/auth0-blog/kotlin-graphql/5173d2a72a190979a4a8d86cb3b3c11fc817622f/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | distributionBase=GRADLE_USER_HOME 2 | distributionPath=wrapper/dists 3 | distributionUrl=https\://services.gradle.org/distributions/gradle-5.2.1-bin.zip 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env sh 2 | 3 | ############################################################################## 4 | ## 5 | ## Gradle start up script for UN*X 6 | ## 7 | ############################################################################## 8 | 9 | # Attempt to set APP_HOME 10 | # Resolve links: $0 may be a link 11 | PRG="$0" 12 | # Need this for relative symlinks. 13 | while [ -h "$PRG" ] ; do 14 | ls=`ls -ld "$PRG"` 15 | link=`expr "$ls" : '.*-> \(.*\)$'` 16 | if expr "$link" : '/.*' > /dev/null; then 17 | PRG="$link" 18 | else 19 | PRG=`dirname "$PRG"`"/$link" 20 | fi 21 | done 22 | SAVED="`pwd`" 23 | cd "`dirname \"$PRG\"`/" >/dev/null 24 | APP_HOME="`pwd -P`" 25 | cd "$SAVED" >/dev/null 26 | 27 | APP_NAME="Gradle" 28 | APP_BASE_NAME=`basename "$0"` 29 | 30 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 31 | DEFAULT_JVM_OPTS='"-Xmx64m"' 32 | 33 | # Use the maximum available, or set MAX_FD != -1 to use that value. 34 | MAX_FD="maximum" 35 | 36 | warn () { 37 | echo "$*" 38 | } 39 | 40 | die () { 41 | echo 42 | echo "$*" 43 | echo 44 | exit 1 45 | } 46 | 47 | # OS specific support (must be 'true' or 'false'). 48 | cygwin=false 49 | msys=false 50 | darwin=false 51 | nonstop=false 52 | case "`uname`" in 53 | CYGWIN* ) 54 | cygwin=true 55 | ;; 56 | Darwin* ) 57 | darwin=true 58 | ;; 59 | MINGW* ) 60 | msys=true 61 | ;; 62 | NONSTOP* ) 63 | nonstop=true 64 | ;; 65 | esac 66 | 67 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 68 | 69 | # Determine the Java command to use to start the JVM. 70 | if [ -n "$JAVA_HOME" ] ; then 71 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 72 | # IBM's JDK on AIX uses strange locations for the executables 73 | JAVACMD="$JAVA_HOME/jre/sh/java" 74 | else 75 | JAVACMD="$JAVA_HOME/bin/java" 76 | fi 77 | if [ ! -x "$JAVACMD" ] ; then 78 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 79 | 80 | Please set the JAVA_HOME variable in your environment to match the 81 | location of your Java installation." 82 | fi 83 | else 84 | JAVACMD="java" 85 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 86 | 87 | Please set the JAVA_HOME variable in your environment to match the 88 | location of your Java installation." 89 | fi 90 | 91 | # Increase the maximum file descriptors if we can. 92 | if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then 93 | MAX_FD_LIMIT=`ulimit -H -n` 94 | if [ $? -eq 0 ] ; then 95 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 96 | MAX_FD="$MAX_FD_LIMIT" 97 | fi 98 | ulimit -n $MAX_FD 99 | if [ $? -ne 0 ] ; then 100 | warn "Could not set maximum file descriptor limit: $MAX_FD" 101 | fi 102 | else 103 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 104 | fi 105 | fi 106 | 107 | # For Darwin, add options to specify how the application appears in the dock 108 | if $darwin; then 109 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 110 | fi 111 | 112 | # For Cygwin, switch paths to Windows format before running java 113 | if $cygwin ; then 114 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 115 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 116 | JAVACMD=`cygpath --unix "$JAVACMD"` 117 | 118 | # We build the pattern for arguments to be converted via cygpath 119 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 120 | SEP="" 121 | for dir in $ROOTDIRSRAW ; do 122 | ROOTDIRS="$ROOTDIRS$SEP$dir" 123 | SEP="|" 124 | done 125 | OURCYGPATTERN="(^($ROOTDIRS))" 126 | # Add a user-defined pattern to the cygpath arguments 127 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 128 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 129 | fi 130 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 131 | i=0 132 | for arg in "$@" ; do 133 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 134 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 135 | 136 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 137 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 138 | else 139 | eval `echo args$i`="\"$arg\"" 140 | fi 141 | i=$((i+1)) 142 | done 143 | case $i in 144 | (0) set -- ;; 145 | (1) set -- "$args0" ;; 146 | (2) set -- "$args0" "$args1" ;; 147 | (3) set -- "$args0" "$args1" "$args2" ;; 148 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;; 149 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 150 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 151 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 152 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 153 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 154 | esac 155 | fi 156 | 157 | # Escape application args 158 | save () { 159 | for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done 160 | echo " " 161 | } 162 | APP_ARGS=$(save "$@") 163 | 164 | # Collect all arguments for the java command, following the shell quoting and substitution rules 165 | eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" 166 | 167 | # by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong 168 | if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then 169 | cd "$(dirname "$0")" 170 | fi 171 | 172 | exec "$JAVACMD" "$@" 173 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @if "%DEBUG%" == "" @echo off 2 | @rem ########################################################################## 3 | @rem 4 | @rem Gradle startup script for Windows 5 | @rem 6 | @rem ########################################################################## 7 | 8 | @rem Set local scope for the variables with windows NT shell 9 | if "%OS%"=="Windows_NT" setlocal 10 | 11 | set DIRNAME=%~dp0 12 | if "%DIRNAME%" == "" set DIRNAME=. 13 | set APP_BASE_NAME=%~n0 14 | set APP_HOME=%DIRNAME% 15 | 16 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 17 | set DEFAULT_JVM_OPTS="-Xmx64m" 18 | 19 | @rem Find java.exe 20 | if defined JAVA_HOME goto findJavaFromJavaHome 21 | 22 | set JAVA_EXE=java.exe 23 | %JAVA_EXE% -version >NUL 2>&1 24 | if "%ERRORLEVEL%" == "0" goto init 25 | 26 | echo. 27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 28 | echo. 29 | echo Please set the JAVA_HOME variable in your environment to match the 30 | echo location of your Java installation. 31 | 32 | goto fail 33 | 34 | :findJavaFromJavaHome 35 | set JAVA_HOME=%JAVA_HOME:"=% 36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 37 | 38 | if exist "%JAVA_EXE%" goto init 39 | 40 | echo. 41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 42 | echo. 43 | echo Please set the JAVA_HOME variable in your environment to match the 44 | echo location of your Java installation. 45 | 46 | goto fail 47 | 48 | :init 49 | @rem Get command-line arguments, handling Windows variants 50 | 51 | if not "%OS%" == "Windows_NT" goto win9xME_args 52 | 53 | :win9xME_args 54 | @rem Slurp the command line arguments. 55 | set CMD_LINE_ARGS= 56 | set _SKIP=2 57 | 58 | :win9xME_args_slurp 59 | if "x%~1" == "x" goto execute 60 | 61 | set CMD_LINE_ARGS=%* 62 | 63 | :execute 64 | @rem Setup the command line 65 | 66 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 67 | 68 | @rem Execute Gradle 69 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% 70 | 71 | :end 72 | @rem End local scope for the variables with windows NT shell 73 | if "%ERRORLEVEL%"=="0" goto mainEnd 74 | 75 | :fail 76 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 77 | rem the _cmd.exe /c_ return code! 78 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 79 | exit /b 1 80 | 81 | :mainEnd 82 | if "%OS%"=="Windows_NT" endlocal 83 | 84 | :omega 85 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | pluginManagement { 2 | repositories { 3 | gradlePluginPortal() 4 | } 5 | } 6 | rootProject.name = 'kotlin-graphql' 7 | -------------------------------------------------------------------------------- /src/main/kotlin/com/auth0/kotlingraphql/KotlinGraphqlApplication.kt: -------------------------------------------------------------------------------- 1 | package com.auth0.kotlingraphql 2 | 3 | import org.springframework.boot.autoconfigure.SpringBootApplication 4 | import org.springframework.boot.runApplication 5 | 6 | @SpringBootApplication 7 | class KotlinGraphqlApplication 8 | 9 | fun main(args: Array) { 10 | runApplication(*args) 11 | } 12 | -------------------------------------------------------------------------------- /src/main/kotlin/com/auth0/kotlingraphql/SecurityConfig.kt: -------------------------------------------------------------------------------- 1 | package com.auth0.kotlingraphql 2 | 3 | import org.springframework.beans.factory.annotation.Value 4 | import org.springframework.context.annotation.Configuration 5 | import org.springframework.security.config.annotation.web.builders.HttpSecurity 6 | import org.springframework.security.oauth2.config.annotation.web.configuration.EnableResourceServer 7 | import org.springframework.security.oauth2.config.annotation.web.configuration.ResourceServerConfigurerAdapter 8 | import org.springframework.security.oauth2.config.annotation.web.configurers.ResourceServerSecurityConfigurer 9 | 10 | @Configuration 11 | @EnableResourceServer 12 | class SecurityConfig : ResourceServerConfigurerAdapter() { 13 | 14 | @Value("\${security.oauth2.resource.id}") 15 | private lateinit var resourceId: String 16 | 17 | @Throws(Exception::class) 18 | override fun configure(http: HttpSecurity) { 19 | http.authorizeRequests() 20 | .mvcMatchers("/graphql").authenticated() 21 | .anyRequest().permitAll() 22 | } 23 | 24 | @Throws(Exception::class) 25 | override fun configure(resources: ResourceServerSecurityConfigurer) { 26 | resources.resourceId(resourceId) 27 | } 28 | } -------------------------------------------------------------------------------- /src/main/kotlin/com/auth0/kotlingraphql/entity/Review.kt: -------------------------------------------------------------------------------- 1 | // ./src/main/kotlin/com/auth0/kotlingraphql/entity/Review.kt 2 | 3 | package com.auth0.kotlingraphql.entity 4 | 5 | import org.springframework.data.mongodb.core.mapping.Document 6 | 7 | @Document(collection = "reviews") 8 | data class Review( 9 | var snackId: String, 10 | var rating: Int, 11 | var text: String 12 | ) -------------------------------------------------------------------------------- /src/main/kotlin/com/auth0/kotlingraphql/entity/Snack.kt: -------------------------------------------------------------------------------- 1 | // ./src/main/kotlin/com/auth0/kotlingraphql/entity/Snack.kt 2 | 3 | package com.auth0.kotlingraphql.entity; 4 | 5 | import org.springframework.data.annotation.Id 6 | import org.springframework.data.mongodb.core.mapping.Document 7 | 8 | @Document(collection = "snack") 9 | data class Snack( 10 | var name: String, 11 | var amount: Float 12 | ) { 13 | @Id 14 | var id: String = "" 15 | 16 | @Transient 17 | var reviews: List = ArrayList() 18 | } -------------------------------------------------------------------------------- /src/main/kotlin/com/auth0/kotlingraphql/repository/ReviewRepository.kt: -------------------------------------------------------------------------------- 1 | // ./src/main/kotlin/com/auth0/kotlingraphql/repository/ReviewRepository.kt 2 | 3 | package com.auth0.kotlingraphql.repository 4 | 5 | import com.auth0.kotlingraphql.entity.Review 6 | import org.springframework.data.mongodb.repository.MongoRepository 7 | import org.springframework.stereotype.Repository 8 | 9 | @Repository 10 | interface ReviewRepository : MongoRepository -------------------------------------------------------------------------------- /src/main/kotlin/com/auth0/kotlingraphql/repository/SnackRepository.kt: -------------------------------------------------------------------------------- 1 | // ./src/main/kotlin/com/auth0/kotlingraphql/repository/SnackRepository.kt 2 | 3 | package com.auth0.kotlingraphql.repository 4 | 5 | import com.auth0.kotlingraphql.entity.Snack 6 | import org.springframework.data.mongodb.repository.MongoRepository 7 | import org.springframework.stereotype.Repository 8 | 9 | @Repository 10 | interface SnackRepository : MongoRepository -------------------------------------------------------------------------------- /src/main/kotlin/com/auth0/kotlingraphql/resolvers/ReviewMutationResolver.kt: -------------------------------------------------------------------------------- 1 | package com.auth0.kotlingraphql.resolvers 2 | 3 | import com.coxautodev.graphql.tools.GraphQLMutationResolver 4 | import com.auth0.kotlingraphql.entity.Review 5 | import com.auth0.kotlingraphql.repository.ReviewRepository 6 | import org.springframework.stereotype.Component 7 | 8 | @Component 9 | class ReviewMutationResolver (private val reviewRepository: ReviewRepository): GraphQLMutationResolver { 10 | fun newReview(snackId: String, rating: Int, text:String): Review { 11 | val review = Review(snackId, rating, text) 12 | reviewRepository.save(review) 13 | return review 14 | } 15 | } -------------------------------------------------------------------------------- /src/main/kotlin/com/auth0/kotlingraphql/resolvers/ReviewQueryResolver.kt: -------------------------------------------------------------------------------- 1 | package com.auth0.kotlingraphql.resolvers 2 | 3 | import com.auth0.kotlingraphql.entity.Review 4 | import com.coxautodev.graphql.tools.GraphQLQueryResolver 5 | import org.springframework.data.mongodb.core.MongoOperations 6 | import org.springframework.data.mongodb.core.query.Criteria 7 | import org.springframework.data.mongodb.core.query.Query 8 | import org.springframework.stereotype.Component 9 | 10 | @Component 11 | class ReviewQueryResolver(val mongoOperations: MongoOperations) : GraphQLQueryResolver { 12 | fun reviews(snackId: String): List { 13 | val query = Query() 14 | query.addCriteria(Criteria.where("snackId").`is`(snackId)) 15 | return mongoOperations.find(query, Review::class.java) 16 | } 17 | } -------------------------------------------------------------------------------- /src/main/kotlin/com/auth0/kotlingraphql/resolvers/SnackMutationResolver.kt: -------------------------------------------------------------------------------- 1 | package com.auth0.kotlingraphql.resolvers 2 | 3 | import com.auth0.kotlingraphql.entity.Snack 4 | import com.auth0.kotlingraphql.repository.SnackRepository 5 | import com.coxautodev.graphql.tools.GraphQLMutationResolver 6 | import org.springframework.stereotype.Component 7 | import java.util.* 8 | 9 | @Component 10 | class SnackMutationResolver (private val snackRepository: SnackRepository): GraphQLMutationResolver { 11 | fun newSnack(name: String, amount: Float): Snack { 12 | val snack = Snack(name, amount) 13 | snack.id = UUID.randomUUID().toString() 14 | snackRepository.save(snack) 15 | return snack 16 | } 17 | 18 | fun deleteSnack(id:String): Boolean { 19 | snackRepository.deleteById(id) 20 | return true 21 | } 22 | 23 | fun updateSnack(id:String, amount:Float): Snack { 24 | val snack = snackRepository.findById(id) 25 | snack.ifPresent { 26 | it.amount = amount 27 | snackRepository.save(it) 28 | } 29 | return snack.get() 30 | } 31 | } -------------------------------------------------------------------------------- /src/main/kotlin/com/auth0/kotlingraphql/resolvers/SnackQueryResolver.kt: -------------------------------------------------------------------------------- 1 | package com.auth0.kotlingraphql.resolvers 2 | 3 | import com.auth0.kotlingraphql.entity.Review 4 | import com.auth0.kotlingraphql.entity.Snack 5 | import com.auth0.kotlingraphql.repository.SnackRepository 6 | import com.coxautodev.graphql.tools.GraphQLQueryResolver 7 | import org.springframework.data.mongodb.core.MongoOperations 8 | import org.springframework.data.mongodb.core.query.Criteria 9 | import org.springframework.data.mongodb.core.query.Query 10 | import org.springframework.stereotype.Component 11 | 12 | @Component 13 | class SnackQueryResolver(val snackRepository: SnackRepository, 14 | private val mongoOperations: MongoOperations) : GraphQLQueryResolver { 15 | fun snacks(): List { 16 | val list = snackRepository.findAll() 17 | for (item in list) { 18 | item.reviews = getReviews(snackId = item.id) 19 | } 20 | return list 21 | } 22 | 23 | private fun getReviews(snackId: String): List { 24 | val query = Query() 25 | query.addCriteria(Criteria.where("snackId").`is`(snackId)) 26 | return mongoOperations.find(query, Review::class.java) 27 | } 28 | } -------------------------------------------------------------------------------- /src/main/resources/application.properties: -------------------------------------------------------------------------------- 1 | server.port=9000 2 | spring.data.mongodb.database=kotlin-graphql 3 | spring.data.mongodb.port=27017 4 | security.oauth2.resource.id=https://kotlin-graphql-api 5 | security.oauth2.resource.jwk.keySetUri=https://blog-samples.auth0.com/.well-known/jwks.json -------------------------------------------------------------------------------- /src/main/resources/review.graphqls: -------------------------------------------------------------------------------- 1 | extend type Query { 2 | reviews(snackId: ID!): [Review] 3 | } 4 | 5 | type Review { 6 | snackId: ID! 7 | rating: Int 8 | text: String! 9 | } 10 | 11 | extend type Mutation { 12 | newReview(snackId: ID!, rating: Int, text:String!) : Review! 13 | } -------------------------------------------------------------------------------- /src/main/resources/snack.graphqls: -------------------------------------------------------------------------------- 1 | type Query { 2 | snacks: [Snack] 3 | } 4 | 5 | type Snack { 6 | id: ID! 7 | name: String 8 | amount: Float 9 | reviews: [Review] 10 | } 11 | 12 | type Mutation { 13 | newSnack(name: String!, amount: Float!) : Snack! 14 | deleteSnack(id: ID!) : Boolean 15 | updateSnack(id:ID!, amount: Float!) : Snack! 16 | } -------------------------------------------------------------------------------- /src/test/kotlin/com/auth0/kotlingraphql/KotlinGraphqlApplicationTests.kt: -------------------------------------------------------------------------------- 1 | package com.auth0.kotlingraphql 2 | 3 | import org.junit.Test 4 | import org.junit.runner.RunWith 5 | import org.springframework.boot.test.context.SpringBootTest 6 | import org.springframework.test.context.junit4.SpringRunner 7 | 8 | @RunWith(SpringRunner::class) 9 | @SpringBootTest 10 | class KotlinGraphqlApplicationTests { 11 | 12 | @Test 13 | fun contextLoads() { 14 | } 15 | 16 | } 17 | --------------------------------------------------------------------------------