mindol1004/cqrs-eventsourcing-user-management-example
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This commit is contained in:
Maksim Kostromin
2019-07-31 04:30:30 +03:00
commit 5468280674
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31
.gitignore vendored Normal file
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.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/

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env:
global:
- TERM=dumb
dist: trusty
notifications:
email: false
git:
quiet: true
depth: 1
language: java
jdk: openjdk8
node_js: lts/*
python: 3
services:
- docker
addons:
apt:
update: true
sources:
- google-chrome
packages:
- jq
- bash
- sudo
- lsof
- wget
- curl
- unzip
- python3-pip
- docker-ce
install: true
before_install:
- export PATH=$HOME/.local/bin:$PATH
- pip3 install --user $(whoami) --upgrade pip
- pip install --user $(whoami) --upgrade httpie
- http --version --debug
- docker-compose version
#
- source <(curl -s https://raw.githubusercontent.com/daggerok/bash-functions/master/main.bash)
- stop_any 80 8001 8002 8080 5432
jobs:
include:
- stage: test
jdk: openjdk8
name: integration tests
script:
- cd $TRAVIS_BUILD_DIR
- ./gradlew clean test
- ./gradlew
- bash $TRAVIS_BUILD_DIR/build/libs/*-SNAPSHOT.jar &
- wait_for 8080
- http get :8080
- http post :8080/api/v1/messages message=ololo
- http post :8080/api/v1/messages message=ololo
- http post :8080/api/v1/messages message=ololo not=found
- http post :8080/api/v1/messages
- stop_any 80 8080
- stage: test
jdk: openjdk11
name: integration tests (openjdk11)
script:
- cd $TRAVIS_BUILD_DIR
- ./gradlew clean test
- ./gradlew
- java -jar $TRAVIS_BUILD_DIR/build/libs/*-SNAPSHOT.jar &
- wait_for 8080
- http get :8080
- http post :8080/api/v1/messages message=ololo
- http post :8080/api/v1/messages message=ololo
- http post :8080/api/v1/messages message=ololo not=found
- http post :8080/api/v1/messages
- stop_any 80 8080
cache:
directories:
- ~/.embedmongo
- ~/.gradle
packages: true
pip: true

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# CQRS and event sourcing app
CQRS and event sourcing using dynamic groovy, spring-boot and spring-webflux
```bash
./gradlew bootRun
http :8080/api/v1/messages message=hello
http :8080/api/v1/messages message=world
http :8080/api/v1/messages
http :8080
```
**NOTE:** _For better developer experience during testing, use idea cURL integration tests from `rest-client*` files. Read more: https://www.jetbrains.com/help/idea/http-client-in-product-code-editor.html_

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build.gradle Normal file
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plugins {
id 'org.springframework.boot' version '2.2.0.M4'
id 'groovy'
id 'idea'
}
apply plugin: 'io.spring.dependency-management'
group = 'com.github.daggerok.eventsourcing'
version = '0.0.1-SNAPSHOT'
sourceCompatibility = '1.8'
repositories {
mavenCentral()
maven { url 'https://repo.spring.io/milestone' }
}
dependencies {
implementation 'org.springframework.boot:spring-boot-starter-actuator'
implementation 'org.springframework.boot:spring-boot-starter-webflux'
implementation 'org.codehaus.groovy:groovy'
testImplementation('org.springframework.boot:spring-boot-starter-test') {
exclude group: 'org.junit.vintage', module: 'junit-vintage-engine'
exclude group: 'junit', module: 'junit'
}
testImplementation 'io.projectreactor:reactor-test'
testImplementation(platform('org.spockframework:spock-bom:1.3-groovy-2.5'))
testImplementation 'org.spockframework:spock-core'
testImplementation 'org.spockframework:spock-spring'
}
test {
// useJUnitPlatform() // comment this out to run spock specs!
// see: https://docs.gradle.org/current/dsl/org.gradle.api.tasks.testing.logging.TestLoggingContainer.html
testLogging {
showExceptions = true
showStandardStreams = true
// set options for log level LIFECYCLE
events 'passed', 'skipped', 'failed'
// set options for log level DEBUG
debug {
events 'started', 'skipped', 'failed'
exceptionFormat 'full'
}
// // remove standard output/error logging from --info builds
// // by assigning only 'failed' and 'skipped' events
// info.events = ['failed', 'skipped']
}
}
bootJar {
launchScript()
}
wrapper {
gradleVersion = '5.5.1'
}
defaultTasks 'clean', 'build'

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gradle/wrapper/gradle-wrapper.properties vendored Normal file
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distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-bin.zip
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists

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#!/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 "$0"`
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS='"-Xmx64m"'
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD="maximum"
warn () {
echo "$*"
}
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" "$@"

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@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="-Xmx64m"
@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

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# Read more: https://www.jetbrains.com/help/idea/http-client-in-product-code-editor.html
# curl localhost:8080/api/v1/messages/info
GET localhost:8080/api/v1/messages/info
Content-Type: application/json
Accept:: application/json
###
# curl localhost:8080/api/v1/messages
GET localhost:8080/api/v1/messages
Content-Type: application/json
Accept:: application/json
###
# curl localhost:8080/api/v1/messages -d'{"message": "hello"}' -H'content-type: application/json'
POST localhost:8080/api/v1/messages
Content-Type: application/json
Accept:: application/json
{
"message": "hello"
}
###
# curl localhost:8080/api/v1/messages -d'{"message": "world"}' -H'content-type: application/json'
POST localhost:8080/api/v1/messages
Content-Type: application/json
Accept:: application/json
{
"message": "world"
}
###
# curl localhost:8080/api/v1/messages
GET localhost:8080/api/v1/messages
Content-Type: application/json
Accept:: application/json
###
# curl localhost:8080/api/v1/messages/00000000-0000-0000-0000-000000000000
GET http://localhost:8080/api/v1/messages/{{uuid}}
Content-Type: application/json
Accept:: application/json
###

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{
"development": {
"uuid": "5802f270-b333-4ef0-8249-a72fca485c52"
}
}

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settings.gradle Normal file
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pluginManagement {
repositories {
maven { url 'https://repo.spring.io/milestone' }
gradlePluginPortal()
}
resolutionStrategy {
eachPlugin {
if (requested.id.id == 'org.springframework.boot') {
useModule("org.springframework.boot:spring-boot-gradle-plugin:${requested.version}")
}
}
}
}
rootProject.name = 'cqrs-eventsourcing-user-management-example'

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src/main/groovy/com/github/daggerok/eventsourcing/UserServiceApplication.groovy Normal file
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package com.github.daggerok.eventsourcing
import org.springframework.boot.SpringApplication
import org.springframework.boot.autoconfigure.SpringBootApplication
@SpringBootApplication
class UserServiceApplication {
static void main(String[] args) {
SpringApplication.run(UserServiceApplication, args)
}
}

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src/main/groovy/com/github/daggerok/eventsourcing/rest/Handlers.groovy Normal file
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package com.github.daggerok.eventsourcing.rest
import org.springframework.core.ParameterizedTypeReference
import org.springframework.stereotype.Service
import org.springframework.web.reactive.function.server.ServerRequest
import org.springframework.web.reactive.function.server.ServerResponse
import reactor.core.publisher.Mono
@Service
class Handlers {
private final def messages = [:]
def showInfo(ServerRequest serverRequest) {
String baseUrl = serverRequest.uri().with { "$scheme://$authority" }
def API = [ info: "GET $baseUrl/api/v1/messages/info" as String,
add : "POST $baseUrl/api/v1/messages message={message}" as String,
read: "GET $baseUrl/api/v1/messages/{id}" as String,
all : "GET $baseUrl/api/v1/messages" as String, ]
ServerResponse.ok().body(Mono.just(API), Map)
}
def addMessage(ServerRequest serverRequest) {
def id = UUID.randomUUID()
def url = serverRequest.uri().with { "$scheme://$authority/api/v1/messages/$id" }
def response = serverRequest
.bodyToMono(new ParameterizedTypeReference<Map<String, String>>() {})
.map { it["message"] ?: "Hello!" }
.doOnNext { messages[id] = it }
.map { [ id : id,
message: messages[id], ] }
ServerResponse.created(URI.create(url)).body(response, Map)
}
def readMessage(ServerRequest serverRequest) {
def id = serverRequest.pathVariable("id")
String message = messages[UUID.fromString(id)]
ServerResponse.ok().body(Mono.justOrEmpty(message), String)
}
def allMessages(def _) {
//ServerResponse.ok().body(Flux.fromIterable(messages.entrySet()), Map.Entry)
ServerResponse.ok().body(Mono.justOrEmpty(messages), Map)
}
}

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src/main/groovy/com/github/daggerok/eventsourcing/rest/Rest.groovy Normal file
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package com.github.daggerok.eventsourcing.rest
import org.springframework.context.annotation.Bean
import org.springframework.context.annotation.Configuration
import org.springframework.web.reactive.function.server.RouterFunctions
import static org.springframework.web.reactive.function.server.RequestPredicates.path
@Configuration
class Rest {
final Handlers handlers
Rest(Handlers h) {
handlers = h
}
@Bean
def routes() {
RouterFunctions.route()
.GET("/api/v1/messages/info", { handlers.showInfo(it) })
.GET("/api/v1/messages/{id}", { handlers.readMessage(it) })
.POST("/api/v1/messages", { handlers.addMessage(it) })
.GET("/api/v1/messages", { handlers.allMessages(it) })
.build()
.andRoute(path("/**"), { handlers.showInfo(it) })
}
}

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#spring.main.lazy-initialization=true
spring.output.ansi.enabled=always

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src/test/groovy/com/github/daggerok/eventsourcing/UserServiceApplicationTests.groovy Normal file
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package com.github.daggerok.eventsourcing
import com.github.daggerok.eventsourcing.rest.Handlers
import org.springframework.beans.factory.annotation.Autowired
import org.springframework.boot.test.context.SpringBootTest
import spock.lang.Specification
@SpringBootTest
class UserServiceApplicationTests extends Specification {
@Autowired(required = false)
Handlers handlers
def "when context is loaded then all expected beans are created"() {
expect: "Handlers bean is created"
handlers
}
def "ololo trololo"() {
given:
int a = 1
and:
int b = 2
when:
int c = a + b
then:
c == 3
}
}