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This commit is contained in:
Simon Bußmann
2022-09-23 02:16:15 +02:00
parent 537c83ef3d
commit d25981f5ec
55 changed files with 22094 additions and 0 deletions
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backend/build.gradle Normal file
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plugins {
id 'org.springframework.boot' version '2.7.3'
id 'io.spring.dependency-management' version '1.0.13.RELEASE'
id 'java'
}
group = 'dev.cato447'
version = '0.0.1-SNAPSHOT'
sourceCompatibility = '17'
configurations {
compileOnly {
extendsFrom annotationProcessor
}
}
repositories {
mavenCentral()
}
dependencies {
implementation 'org.springframework.boot:spring-boot-starter-data-jdbc'
implementation 'org.springframework.boot:spring-boot-starter-mail'
implementation 'org.springframework.boot:spring-boot-starter-web'
implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
compileOnly 'org.projectlombok:lombok'
developmentOnly 'org.springframework.boot:spring-boot-devtools'
runtimeOnly 'org.postgresql:postgresql'
annotationProcessor 'org.projectlombok:lombok'
testImplementation 'org.springframework.boot:spring-boot-starter-test'
}
tasks.named('test') {
useJUnitPlatform()
}

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backend/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-7.5-bin.zip
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists

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backend/gradlew vendored Executable file
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#!/bin/sh
#
# Copyright © 2015-2021 the original authors.
#
# Licensed 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.
#
##############################################################################
#
# Gradle start up script for POSIX generated by Gradle.
#
# Important for running:
#
# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
# noncompliant, but you have some other compliant shell such as ksh or
# bash, then to run this script, type that shell name before the whole
# command line, like:
#
# ksh Gradle
#
# Busybox and similar reduced shells will NOT work, because this script
# requires all of these POSIX shell features:
# * functions;
# * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
# «${var#prefix}», «${var%suffix}», and «$( cmd )»;
# * compound commands having a testable exit status, especially «case»;
# * various built-in commands including «command», «set», and «ulimit».
#
# Important for patching:
#
# (2) This script targets any POSIX shell, so it avoids extensions provided
# by Bash, Ksh, etc; in particular arrays are avoided.
#
# The "traditional" practice of packing multiple parameters into a
# space-separated string is a well documented source of bugs and security
# problems, so this is (mostly) avoided, by progressively accumulating
# options in "$@", and eventually passing that to Java.
#
# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
# see the in-line comments for details.
#
# There are tweaks for specific operating systems such as AIX, CygWin,
# Darwin, MinGW, and NonStop.
#
# (3) This script is generated from the Groovy template
# https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
# within the Gradle project.
#
# You can find Gradle at https://github.com/gradle/gradle/.
#
##############################################################################
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
app_path=$0
# Need this for daisy-chained symlinks.
while
APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path
[ -h "$app_path" ]
do
ls=$( ls -ld "$app_path" )
link=${ls#*' -> '}
case $link in #(
/*) app_path=$link ;; #(
*) app_path=$APP_HOME$link ;;
esac
done
APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
APP_NAME="Gradle"
APP_BASE_NAME=${0##*/}
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD=maximum
warn () {
echo "$*"
} >&2
die () {
echo
echo "$*"
echo
exit 1
} >&2
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "$( uname )" in #(
CYGWIN* ) cygwin=true ;; #(
Darwin* ) darwin=true ;; #(
MSYS* | 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" && ! "$darwin" && ! "$nonstop" ; then
case $MAX_FD in #(
max*)
MAX_FD=$( ulimit -H -n ) ||
warn "Could not query maximum file descriptor limit"
esac
case $MAX_FD in #(
'' | soft) :;; #(
*)
ulimit -n "$MAX_FD" ||
warn "Could not set maximum file descriptor limit to $MAX_FD"
esac
fi
# Collect all arguments for the java command, stacking in reverse order:
# * args from the command line
# * the main class name
# * -classpath
# * -D...appname settings
# * --module-path (only if needed)
# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
# For Cygwin or MSYS, switch paths to Windows format before running java
if "$cygwin" || "$msys" ; then
APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
JAVACMD=$( cygpath --unix "$JAVACMD" )
# Now convert the arguments - kludge to limit ourselves to /bin/sh
for arg do
if
case $arg in #(
-*) false ;; # don't mess with options #(
/?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath
[ -e "$t" ] ;; #(
*) false ;;
esac
then
arg=$( cygpath --path --ignore --mixed "$arg" )
fi
# Roll the args list around exactly as many times as the number of
# args, so each arg winds up back in the position where it started, but
# possibly modified.
#
# NB: a `for` loop captures its iteration list before it begins, so
# changing the positional parameters here affects neither the number of
# iterations, nor the values presented in `arg`.
shift # remove old arg
set -- "$@" "$arg" # push replacement arg
done
fi
# Collect all arguments for the java command;
# * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
# shell script including quotes and variable substitutions, so put them in
# double quotes to make sure that they get re-expanded; and
# * put everything else in single quotes, so that it's not re-expanded.
set -- \
"-Dorg.gradle.appname=$APP_BASE_NAME" \
-classpath "$CLASSPATH" \
org.gradle.wrapper.GradleWrapperMain \
"$@"
# Stop when "xargs" is not available.
if ! command -v xargs >/dev/null 2>&1
then
die "xargs is not available"
fi
# Use "xargs" to parse quoted args.
#
# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
#
# In Bash we could simply go:
#
# readarray ARGS < <( xargs -n1 <<<"$var" ) &&
# set -- "${ARGS[@]}" "$@"
#
# but POSIX shell has neither arrays nor command substitution, so instead we
# post-process each arg (as a line of input to sed) to backslash-escape any
# character that might be a shell metacharacter, then use eval to reverse
# that process (while maintaining the separation between arguments), and wrap
# the whole thing up as a single "set" statement.
#
# This will of course break if any of these variables contains a newline or
# an unmatched quote.
#
eval "set -- $(
printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
xargs -n1 |
sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
tr '\n' ' '
)" '"$@"'
exec "$JAVACMD" "$@"

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backend/gradlew.bat vendored Normal file
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@rem
@rem Copyright 2015 the original author or authors.
@rem
@rem Licensed under the Apache License, Version 2.0 (the "License");
@rem you may not use this file except in compliance with the License.
@rem 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, software
@rem distributed under the License is distributed on an "AS IS" BASIS,
@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@rem See the License for the specific language governing permissions and
@rem limitations under the License.
@rem
@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 Resolve any "." and ".." in APP_HOME to make it shorter.
for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
@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" "-Xms64m"
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if %ERRORLEVEL% equ 0 goto execute
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 execute
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
: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 %*
:end
@rem End local scope for the variables with windows NT shell
if %ERRORLEVEL% equ 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!
set EXIT_CODE=%ERRORLEVEL%
if %EXIT_CODE% equ 0 set EXIT_CODE=1
if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
exit /b %EXIT_CODE%
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega

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rootProject.name = 'semester-essen'

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backend/src/main/java/dev/cato447/semesteressen/SemesterEssenApplication.java Normal file
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package dev.cato447.semesteressen;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class SemesterEssenApplication {
public static void main(String[] args) {
SpringApplication.run(SemesterEssenApplication.class, args);
}
}

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backend/src/main/java/dev/cato447/semesteressen/controller/EventController.java Normal file
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package dev.cato447.semesteressen.controller;
import dev.cato447.semesteressen.domain.Event;
import dev.cato447.semesteressen.repository.EventRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;
import java.util.ArrayList;
import java.util.List;
@RestController
@RequestMapping("/api")
@CrossOrigin(origins = "http://localhost:4200")
public class EventController {
@Autowired
EventRepository eventRepository;
@GetMapping("/events")
public ResponseEntity<List<Event>> getAllEvents(@RequestParam(required = false) String name){
List<Event> events = new ArrayList<>();
if (name == null){
events.addAll(eventRepository.findAll());
} else {
events.addAll(eventRepository.findByNameContaining(name));
}
if (events.isEmpty()){
return new ResponseEntity<>(HttpStatus.NO_CONTENT);
} else {
return new ResponseEntity<>(events, HttpStatus.OK);
}
}
@GetMapping("/events/{id}")
public ResponseEntity<Event> getEventById(@PathVariable Long id){
Event event = eventRepository.findById(id)
.orElseThrow(() -> new RuntimeException("Not found Event with id = " + id));
return new ResponseEntity<>(event, HttpStatus.OK);
}
@PostMapping("/events")
public ResponseEntity<Event> createTutorial(@RequestBody Event tutorial) {
Event saved_event = eventRepository.save(tutorial);
return new ResponseEntity<>(saved_event, HttpStatus.CREATED);
}
@PutMapping("/events/{id}")
public ResponseEntity<Event> updateTutorial(@PathVariable("id") long id, @RequestBody Event event) {
Event saved_event = eventRepository.findById(id)
.orElseThrow(() -> new RuntimeException("Not found Tutorial with id = " + id));
saved_event.updateEvent(event);
return new ResponseEntity<>(eventRepository.save(saved_event), HttpStatus.OK);
}
@DeleteMapping("/events/{id}")
public ResponseEntity<HttpStatus> deleteTutorial(@PathVariable("id") long id) {
eventRepository.deleteById(id);
return new ResponseEntity<>(HttpStatus.NO_CONTENT);
}
@DeleteMapping("/events")
public ResponseEntity<HttpStatus> deleteAllTutorials() {
eventRepository.deleteAll();
return new ResponseEntity<>(HttpStatus.NO_CONTENT);
}
@GetMapping("/tutorials/published")
public ResponseEntity<List<Event>> findByPublished() {
List<Event> events = eventRepository.findByPublished(true);
if (events.isEmpty()) {
return new ResponseEntity<>(HttpStatus.NO_CONTENT);
}
return new ResponseEntity<>(events, HttpStatus.OK);
}
}

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backend/src/main/java/dev/cato447/semesteressen/controller/ParticipantController.java Normal file
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package dev.cato447.semesteressen.controller;
import dev.cato447.semesteressen.domain.Event;
import dev.cato447.semesteressen.domain.Participant;
import dev.cato447.semesteressen.repository.EventRepository;
import dev.cato447.semesteressen.repository.ParticipantRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;
import java.util.ArrayList;
import java.util.List;
@RestController
@RequestMapping("/api")
@CrossOrigin(origins = "http://localhost:4200")
public class ParticipantController {
@Autowired
private EventRepository eventRepository;
@Autowired
private ParticipantRepository participantRepository;
@GetMapping("/participants")
public ResponseEntity<List<Participant>> getAllParticipants() {
List<Participant> participants = new ArrayList<>(participantRepository.findAll());
if (participants.isEmpty()) {
return new ResponseEntity<>(HttpStatus.NO_CONTENT);
}
return new ResponseEntity<>(participants, HttpStatus.OK);
}
@GetMapping("/events/{eventId}/participants")
public ResponseEntity<List<Participant>> getAllParticipantsByEventId(@PathVariable(value = "eventId") Long eventId) {
if (!eventRepository.existsById(eventId)) {
throw new RuntimeException("Not found Event with id = " + eventId);
}
List<Participant> participants = participantRepository.findParticipantsByEventsId(eventId);
return new ResponseEntity<>(participants, HttpStatus.OK);
}
@GetMapping("/participants/{id}")
public ResponseEntity<Participant> getParticipantById(@PathVariable(value = "id") Long id) {
Participant tag = participantRepository.findById(id)
.orElseThrow(() -> new RuntimeException("Not found Participant with id = " + id));
return new ResponseEntity<>(tag, HttpStatus.OK);
}
@GetMapping("/participants/{participantId}/events")
public ResponseEntity<List<Event>> getAllEventsByParticipantId(@PathVariable(value = "participantId") Long participantId) {
if (!participantRepository.existsById(participantId)) {
throw new RuntimeException("Not found Participant with id = " + participantId);
}
List<Event> events = eventRepository.findEventsByParticipantsId(participantId);
return new ResponseEntity<>(events, HttpStatus.OK);
}
@PostMapping("/events/{eventId}/participants")
public ResponseEntity<Participant> addParticipant(@PathVariable(value = "eventId") Long eventId, @RequestBody Participant participantRequest) {
Participant participant = eventRepository.findById(eventId).map(found_event -> {
Long participantId = participantRequest.getId();
// participant exists
if (participantId != null) {
Participant existing_participant = participantRepository.findById(participantId)
.orElseThrow(() -> new RuntimeException("Not found Participant with id = " + participantId));
found_event.addParticipant(existing_participant);
eventRepository.save(found_event);
return existing_participant;
}
// add and create new Tag
found_event.addParticipant(participantRequest);
return participantRepository.save(participantRequest);
}).orElseThrow(() -> new RuntimeException("Not found Event with id = " + eventId));
return new ResponseEntity<>(participant, HttpStatus.CREATED);
}
@PutMapping("/participants/{id}")
public ResponseEntity<Participant> updateParticipant(@PathVariable("id") long id, @RequestBody Participant participantRequest) {
Participant participant = participantRepository.findById(id)
.orElseThrow(() -> new RuntimeException("ParticipantId " + id + " not found"));
participant.update(participantRequest);
return new ResponseEntity<>(participantRepository.save(participant), HttpStatus.OK);
}
@DeleteMapping("/events/{eventId}/participants/{participantId}")
public ResponseEntity<HttpStatus> deleteParticipantFromEvent(@PathVariable(value = "eventId") Long eventId, @PathVariable(value = "participantId") Long participantId) {
Event event = eventRepository.findById(eventId)
.orElseThrow(() -> new RuntimeException("Not found Event with id = " + eventId));
event.removeParticipant(participantRepository.findById(participantId).orElseThrow(() -> new RuntimeException("ParticipantId " + participantId + " not found")));
eventRepository.save(event);
return new ResponseEntity<>(HttpStatus.NO_CONTENT);
}
@DeleteMapping("/participants/{participant}")
public ResponseEntity<HttpStatus> deleteById(@PathVariable("id") long id) {
participantRepository.deleteById(id);
return new ResponseEntity<>(HttpStatus.NO_CONTENT);
}
}

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backend/src/main/java/dev/cato447/semesteressen/domain/Event.java Normal file
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package dev.cato447.semesteressen.domain;
import lombok.AccessLevel;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;
import javax.persistence.*;
import java.time.LocalDateTime;
import java.util.HashSet;
import java.util.Set;
@Entity(name = "Event")
@Getter @Setter
@Table(name = "event")
@NoArgsConstructor
public class Event {
@Id
@Setter(AccessLevel.PROTECTED)
@GeneratedValue(strategy = GenerationType.IDENTITY)
@Column(name = "event_id")
private Long id;
private String name;
private boolean published;
@ManyToMany(fetch = FetchType.LAZY,
cascade = {
CascadeType.PERSIST,
CascadeType.MERGE
})
@JoinTable(name = "event_participants",
joinColumns = { @JoinColumn(name = "event_id") },
inverseJoinColumns = { @JoinColumn(name = "part_id") })
private Set<Participant> participants = new HashSet<>();
@Column(name = "event_date")
private LocalDateTime dateTime;
private int maxParticipants;
public Event(String name, boolean published, LocalDateTime dateTime, int maxParticipants) {
this.name = name;
this.published = published;
this.dateTime = dateTime;
this.maxParticipants = maxParticipants;
}
public void addParticipant(Participant participant){
this.participants.add(participant);
participant.getEvents().add(this);
}
public void removeParticipant(Participant participant){
this.participants.remove(participant);
participant.getEvents().remove(this);
}
public void updateEvent(Event new_event){
if (new_event.getName() != null) {
this.setName(new_event.getName());
}
if (new_event.isPublished() != this.isPublished()) {
this.setPublished(new_event.isPublished());
}
if (new_event.getDateTime() != null){
this.setDateTime(new_event.getDateTime());
}
if (new_event.getMaxParticipants() != 0) {
this.setMaxParticipants(new_event.getMaxParticipants());
}
}
}

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backend/src/main/java/dev/cato447/semesteressen/domain/Participant.java Normal file
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package dev.cato447.semesteressen.domain;
import com.fasterxml.jackson.annotation.JsonIgnore;
import lombok.AccessLevel;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;
import org.hibernate.Hibernate;
import javax.persistence.*;
import java.util.HashSet;
import java.util.Objects;
import java.util.Set;
@Entity(name = "Participant")
@Table(name = "participants")
@Getter
@Setter
@NoArgsConstructor
public class Participant {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
@Setter(AccessLevel.PROTECTED)
@Column(name="part_id")
private Long id;
private String name;
@ManyToMany(fetch = FetchType.LAZY,
cascade = {
CascadeType.PERSIST,
CascadeType.MERGE
},
mappedBy = "participants")
@JsonIgnore
private Set<Event> events = new HashSet<>();
public void update(Participant participant){
if (participant.getName() != null) {
this.setName(participant.getName());
}
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || Hibernate.getClass(this) != Hibernate.getClass(o)) {
return false;
}
Participant that = (Participant) o;
return id != null && Objects.equals(id, that.id);
}
@Override
public int hashCode() {
return getClass().hashCode();
}
}

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backend/src/main/java/dev/cato447/semesteressen/repository/EventRepository.java Normal file
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package dev.cato447.semesteressen.repository;
import dev.cato447.semesteressen.domain.Event;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Repository;
import java.util.List;
import java.util.Optional;
@Repository
public interface EventRepository extends JpaRepository<Event, Long> {
public Optional<Event> findById(Long id);
public Event findByName(String name);
public List<Event> findByNameContaining(String name);
public List<Event> findByPublished(boolean isPublished);
public List<Event> findEventsByParticipantsId(Long id);
}

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backend/src/main/java/dev/cato447/semesteressen/repository/ParticipantRepository.java Normal file
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package dev.cato447.semesteressen.repository;
import dev.cato447.semesteressen.domain.Event;
import dev.cato447.semesteressen.domain.Participant;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Repository;
import java.util.List;
@Repository
public interface ParticipantRepository extends JpaRepository<Participant, Long> {
public List<Participant> findByEvents(Event event);
public List<Participant> findParticipantsByEventsId(Long id);
}

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backend/src/main/java/dev/cato447/semesteressen/service/EventService.java Normal file
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package dev.cato447.semesteressen.service;
import dev.cato447.semesteressen.domain.Event;
import dev.cato447.semesteressen.repository.EventRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
@Service
public class EventService {
@Autowired
private EventRepository eventRepository;
public void addEvent(Event event){
eventRepository.save(event);
}
public void removeEvent(Event event){
eventRepository.delete(event);
}
}

22
backend/src/main/java/dev/cato447/semesteressen/service/ParticipantService.java Normal file
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package dev.cato447.semesteressen.service;
import dev.cato447.semesteressen.domain.Participant;
import dev.cato447.semesteressen.repository.ParticipantRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
@Service
public class ParticipantService {
@Autowired
private ParticipantRepository participantRepository;
public void addParticipant(Participant participant){
participantRepository.save(participant);
}
public void removeParticipant(Participant participant){
participantRepository.delete(participant);
}
}

14
backend/src/main/resources/application.yml Normal file
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spring:
#store credentials in env.yml file located in root
config:
import: file:env.yml
datasource:
url: ${db.url}
username: ${db.username}
password: ${db.password}
jpa:
hibernate:
ddl-auto: update
properties:
hibernate:
dialect: org.hibernate.dialect.PostgreSQLDialect

13
backend/src/test/java/dev/cato447/semesteressen/SemesterEssenApplicationTests.java Normal file
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package dev.cato447.semesteressen;
import org.junit.jupiter.api.Test;
import org.springframework.boot.test.context.SpringBootTest;
@SpringBootTest
class SemesterEssenApplicationTests {
@Test
void contextLoads() {
}
}