implemented models and logic for Cheval, Course, CourseCheval and Pari.

2025-09-23 11:19:21 +00:00
commit 4b7b8649d3
34 changed files with 1912 additions and 0 deletions
--- a/.gitattributes
+++ b/.gitattributes
@@ -0,0 +1,2 @@
+/mvnw text eol=lf
+*.cmd text eol=crlf
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1,236 @@
+HELP.md
+target/
+.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
+
+
+/target/
+!.mvn/wrapper/maven-wrapper.jar
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+
+# Created by https://www.gitignore.io/api/git,java,maven,eclipse,windows
+
+### Eclipse ###
+
+.metadata
+bin/
+tmp/
+*.tmp
+*.bak
+*.swp
+*~.nib
+local.properties
+.settings/
+.loadpath
+.recommenders
+
+# External tool builders
+.externalToolBuilders/
+
+# Locally stored "Eclipse launch configurations"
+*.launch
+
+# PyDev specific (Python IDE for Eclipse)
+*.pydevproject
+
+# CDT-specific (C/C++ Development Tooling)
+.cproject
+
+# CDT- autotools
+.autotools
+
+# Java annotation processor (APT)
+.factorypath
+
+# PDT-specific (PHP Development Tools)
+.buildpath
+
+# sbteclipse plugin
+.target
+
+# Tern plugin
+.tern-project
+
+# TeXlipse plugin
+.texlipse
+
+# STS (Spring Tool Suite)
+.springBeans
+
+# Code Recommenders
+.recommenders/
+
+# Annotation Processing
+.apt_generated/
+
+# Scala IDE specific (Scala & Java development for Eclipse)
+.cache-main
+.scala_dependencies
+.worksheet
+
+### Eclipse Patch ###
+# Eclipse Core
+.project
+
+# JDT-specific (Eclipse Java Development Tools)
+.classpath
+
+# Annotation Processing
+.apt_generated
+
+.sts4-cache/
+
+### Git ###
+# Created by git for backups. To disable backups in Git:
+# $ git config --global mergetool.keepBackup false
+*.orig
+
+# Created by git when using merge tools for conflicts
+*.BACKUP.*
+*.BASE.*
+*.LOCAL.*
+*.REMOTE.*
+*_BACKUP_*.txt
+*_BASE_*.txt
+*_LOCAL_*.txt
+*_REMOTE_*.txt
+
+### Java ###
+# Compiled class file
+*.class
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.jar
+*.war
+*.nar
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+
+### Maven ###
+target/
+pom.xml.tag
+pom.xml.releaseBackup
+pom.xml.versionsBackup
+pom.xml.next
+release.properties
+dependency-reduced-pom.xml
+buildNumber.properties
+.mvn/timing.properties
+.mvn/wrapper/maven-wrapper.jar
+
+### Windows ###
+# Windows thumbnail cache files
+Thumbs.db
+ehthumbs.db
+ehthumbs_vista.db
+
+# Dump file
+*.stackdump
+
+# Folder config file
+[Dd]esktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
+
+### Some additional ignores (sort later)
+*.DS_Store
+*.sw?
+.#*
+*#
+*~
+.classpath
+.project
+.settings
+bin
+build
+target
+dependency-reduced-pom.xml
+*.sublime-*
+/scratch
+.gradle
+README.html
+*.iml
+.idea
+.exercism
--- a/.mvn/wrapper/maven-wrapper.properties
+++ b/.mvn/wrapper/maven-wrapper.properties
@@ -0,0 +1,3 @@
+wrapperVersion=3.3.4
+distributionType=only-script
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.11/apache-maven-3.9.11-bin.zip
--- a/295
+++ b/295
@@ -0,0 +1,295 @@
+#!/bin/sh
+# ----------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#    http://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.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Apache Maven Wrapper startup batch script, version 3.3.4
+#
+# Optional ENV vars
+# -----------------
+#   JAVA_HOME - location of a JDK home dir, required when download maven via java source
+#   MVNW_REPOURL - repo url base for downloading maven distribution
+#   MVNW_USERNAME/MVNW_PASSWORD - user and password for downloading maven
+#   MVNW_VERBOSE - true: enable verbose log; debug: trace the mvnw script; others: silence the output
+# ----------------------------------------------------------------------------
+
+set -euf
+[ "${MVNW_VERBOSE-}" != debug ] || set -x
+
+# OS specific support.
+native_path() { printf %s\\n "$1"; }
+case "$(uname)" in
+CYGWIN* | MINGW*)
+  [ -z "${JAVA_HOME-}" ] || JAVA_HOME="$(cygpath --unix "$JAVA_HOME")"
+  native_path() { cygpath --path --windows "$1"; }
+  ;;
+esac
+
+# set JAVACMD and JAVACCMD
+set_java_home() {
+  # For Cygwin and MinGW, ensure paths are in Unix format before anything is touched
+  if [ -n "${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"
+      JAVACCMD="$JAVA_HOME/jre/sh/javac"
+    else
+      JAVACMD="$JAVA_HOME/bin/java"
+      JAVACCMD="$JAVA_HOME/bin/javac"
+
+      if [ ! -x "$JAVACMD" ] || [ ! -x "$JAVACCMD" ]; then
+        echo "The JAVA_HOME environment variable is not defined correctly, so mvnw cannot run." >&2
+        echo "JAVA_HOME is set to \"$JAVA_HOME\", but \"\$JAVA_HOME/bin/java\" or \"\$JAVA_HOME/bin/javac\" does not exist." >&2
+        return 1
+      fi
+    fi
+  else
+    JAVACMD="$(
+      'set' +e
+      'unset' -f command 2>/dev/null
+      'command' -v java
+    )" || :
+    JAVACCMD="$(
+      'set' +e
+      'unset' -f command 2>/dev/null
+      'command' -v javac
+    )" || :
+
+    if [ ! -x "${JAVACMD-}" ] || [ ! -x "${JAVACCMD-}" ]; then
+      echo "The java/javac command does not exist in PATH nor is JAVA_HOME set, so mvnw cannot run." >&2
+      return 1
+    fi
+  fi
+}
+
+# hash string like Java String::hashCode
+hash_string() {
+  str="${1:-}" h=0
+  while [ -n "$str" ]; do
+    char="${str%"${str#?}"}"
+    h=$(((h * 31 + $(LC_CTYPE=C printf %d "'$char")) % 4294967296))
+    str="${str#?}"
+  done
+  printf %x\\n $h
+}
+
+verbose() { :; }
+[ "${MVNW_VERBOSE-}" != true ] || verbose() { printf %s\\n "${1-}"; }
+
+die() {
+  printf %s\\n "$1" >&2
+  exit 1
+}
+
+trim() {
+  # MWRAPPER-139:
+  #   Trims trailing and leading whitespace, carriage returns, tabs, and linefeeds.
+  #   Needed for removing poorly interpreted newline sequences when running in more
+  #   exotic environments such as mingw bash on Windows.
+  printf "%s" "${1}" | tr -d '[:space:]'
+}
+
+scriptDir="$(dirname "$0")"
+scriptName="$(basename "$0")"
+
+# parse distributionUrl and optional distributionSha256Sum, requires .mvn/wrapper/maven-wrapper.properties
+while IFS="=" read -r key value; do
+  case "${key-}" in
+  distributionUrl) distributionUrl=$(trim "${value-}") ;;
+  distributionSha256Sum) distributionSha256Sum=$(trim "${value-}") ;;
+  esac
+done <"$scriptDir/.mvn/wrapper/maven-wrapper.properties"
+[ -n "${distributionUrl-}" ] || die "cannot read distributionUrl property in $scriptDir/.mvn/wrapper/maven-wrapper.properties"
+
+case "${distributionUrl##*/}" in
+maven-mvnd-*bin.*)
+  MVN_CMD=mvnd.sh _MVNW_REPO_PATTERN=/maven/mvnd/
+  case "${PROCESSOR_ARCHITECTURE-}${PROCESSOR_ARCHITEW6432-}:$(uname -a)" in
+  *AMD64:CYGWIN* | *AMD64:MINGW*) distributionPlatform=windows-amd64 ;;
+  :Darwin*x86_64) distributionPlatform=darwin-amd64 ;;
+  :Darwin*arm64) distributionPlatform=darwin-aarch64 ;;
+  :Linux*x86_64*) distributionPlatform=linux-amd64 ;;
+  *)
+    echo "Cannot detect native platform for mvnd on $(uname)-$(uname -m), use pure java version" >&2
+    distributionPlatform=linux-amd64
+    ;;
+  esac
+  distributionUrl="${distributionUrl%-bin.*}-$distributionPlatform.zip"
+  ;;
+maven-mvnd-*) MVN_CMD=mvnd.sh _MVNW_REPO_PATTERN=/maven/mvnd/ ;;
+*) MVN_CMD="mvn${scriptName#mvnw}" _MVNW_REPO_PATTERN=/org/apache/maven/ ;;
+esac
+
+# apply MVNW_REPOURL and calculate MAVEN_HOME
+# maven home pattern: ~/.m2/wrapper/dists/{apache-maven-<version>,maven-mvnd-<version>-<platform>}/<hash>
+[ -z "${MVNW_REPOURL-}" ] || distributionUrl="$MVNW_REPOURL$_MVNW_REPO_PATTERN${distributionUrl#*"$_MVNW_REPO_PATTERN"}"
+distributionUrlName="${distributionUrl##*/}"
+distributionUrlNameMain="${distributionUrlName%.*}"
+distributionUrlNameMain="${distributionUrlNameMain%-bin}"
+MAVEN_USER_HOME="${MAVEN_USER_HOME:-${HOME}/.m2}"
+MAVEN_HOME="${MAVEN_USER_HOME}/wrapper/dists/${distributionUrlNameMain-}/$(hash_string "$distributionUrl")"
+
+exec_maven() {
+  unset MVNW_VERBOSE MVNW_USERNAME MVNW_PASSWORD MVNW_REPOURL || :
+  exec "$MAVEN_HOME/bin/$MVN_CMD" "$@" || die "cannot exec $MAVEN_HOME/bin/$MVN_CMD"
+}
+
+if [ -d "$MAVEN_HOME" ]; then
+  verbose "found existing MAVEN_HOME at $MAVEN_HOME"
+  exec_maven "$@"
+fi
+
+case "${distributionUrl-}" in
+*?-bin.zip | *?maven-mvnd-?*-?*.zip) ;;
+*) die "distributionUrl is not valid, must match *-bin.zip or maven-mvnd-*.zip, but found '${distributionUrl-}'" ;;
+esac
+
+# prepare tmp dir
+if TMP_DOWNLOAD_DIR="$(mktemp -d)" && [ -d "$TMP_DOWNLOAD_DIR" ]; then
+  clean() { rm -rf -- "$TMP_DOWNLOAD_DIR"; }
+  trap clean HUP INT TERM EXIT
+else
+  die "cannot create temp dir"
+fi
+
+mkdir -p -- "${MAVEN_HOME%/*}"
+
+# Download and Install Apache Maven
+verbose "Couldn't find MAVEN_HOME, downloading and installing it ..."
+verbose "Downloading from: $distributionUrl"
+verbose "Downloading to: $TMP_DOWNLOAD_DIR/$distributionUrlName"
+
+# select .zip or .tar.gz
+if ! command -v unzip >/dev/null; then
+  distributionUrl="${distributionUrl%.zip}.tar.gz"
+  distributionUrlName="${distributionUrl##*/}"
+fi
+
+# verbose opt
+__MVNW_QUIET_WGET=--quiet __MVNW_QUIET_CURL=--silent __MVNW_QUIET_UNZIP=-q __MVNW_QUIET_TAR=''
+[ "${MVNW_VERBOSE-}" != true ] || __MVNW_QUIET_WGET='' __MVNW_QUIET_CURL='' __MVNW_QUIET_UNZIP='' __MVNW_QUIET_TAR=v
+
+# normalize http auth
+case "${MVNW_PASSWORD:+has-password}" in
+'') MVNW_USERNAME='' MVNW_PASSWORD='' ;;
+has-password) [ -n "${MVNW_USERNAME-}" ] || MVNW_USERNAME='' MVNW_PASSWORD='' ;;
+esac
+
+if [ -z "${MVNW_USERNAME-}" ] && command -v wget >/dev/null; then
+  verbose "Found wget ... using wget"
+  wget ${__MVNW_QUIET_WGET:+"$__MVNW_QUIET_WGET"} "$distributionUrl" -O "$TMP_DOWNLOAD_DIR/$distributionUrlName" || die "wget: Failed to fetch $distributionUrl"
+elif [ -z "${MVNW_USERNAME-}" ] && command -v curl >/dev/null; then
+  verbose "Found curl ... using curl"
+  curl ${__MVNW_QUIET_CURL:+"$__MVNW_QUIET_CURL"} -f -L -o "$TMP_DOWNLOAD_DIR/$distributionUrlName" "$distributionUrl" || die "curl: Failed to fetch $distributionUrl"
+elif set_java_home; then
+  verbose "Falling back to use Java to download"
+  javaSource="$TMP_DOWNLOAD_DIR/Downloader.java"
+  targetZip="$TMP_DOWNLOAD_DIR/$distributionUrlName"
+  cat >"$javaSource" <<-END
+	public class Downloader extends java.net.Authenticator
+	{
+	  protected java.net.PasswordAuthentication getPasswordAuthentication()
+	  {
+	    return new java.net.PasswordAuthentication( System.getenv( "MVNW_USERNAME" ), System.getenv( "MVNW_PASSWORD" ).toCharArray() );
+	  }
+	  public static void main( String[] args ) throws Exception
+	  {
+	    setDefault( new Downloader() );
+	    java.nio.file.Files.copy( java.net.URI.create( args[0] ).toURL().openStream(), java.nio.file.Paths.get( args[1] ).toAbsolutePath().normalize() );
+	  }
+	}
+	END
+  # For Cygwin/MinGW, switch paths to Windows format before running javac and java
+  verbose " - Compiling Downloader.java ..."
+  "$(native_path "$JAVACCMD")" "$(native_path "$javaSource")" || die "Failed to compile Downloader.java"
+  verbose " - Running Downloader.java ..."
+  "$(native_path "$JAVACMD")" -cp "$(native_path "$TMP_DOWNLOAD_DIR")" Downloader "$distributionUrl" "$(native_path "$targetZip")"
+fi
+
+# If specified, validate the SHA-256 sum of the Maven distribution zip file
+if [ -n "${distributionSha256Sum-}" ]; then
+  distributionSha256Result=false
+  if [ "$MVN_CMD" = mvnd.sh ]; then
+    echo "Checksum validation is not supported for maven-mvnd." >&2
+    echo "Please disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties." >&2
+    exit 1
+  elif command -v sha256sum >/dev/null; then
+    if echo "$distributionSha256Sum  $TMP_DOWNLOAD_DIR/$distributionUrlName" | sha256sum -c - >/dev/null 2>&1; then
+      distributionSha256Result=true
+    fi
+  elif command -v shasum >/dev/null; then
+    if echo "$distributionSha256Sum  $TMP_DOWNLOAD_DIR/$distributionUrlName" | shasum -a 256 -c >/dev/null 2>&1; then
+      distributionSha256Result=true
+    fi
+  else
+    echo "Checksum validation was requested but neither 'sha256sum' or 'shasum' are available." >&2
+    echo "Please install either command, or disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties." >&2
+    exit 1
+  fi
+  if [ $distributionSha256Result = false ]; then
+    echo "Error: Failed to validate Maven distribution SHA-256, your Maven distribution might be compromised." >&2
+    echo "If you updated your Maven version, you need to update the specified distributionSha256Sum property." >&2
+    exit 1
+  fi
+fi
+
+# unzip and move
+if command -v unzip >/dev/null; then
+  unzip ${__MVNW_QUIET_UNZIP:+"$__MVNW_QUIET_UNZIP"} "$TMP_DOWNLOAD_DIR/$distributionUrlName" -d "$TMP_DOWNLOAD_DIR" || die "failed to unzip"
+else
+  tar xzf${__MVNW_QUIET_TAR:+"$__MVNW_QUIET_TAR"} "$TMP_DOWNLOAD_DIR/$distributionUrlName" -C "$TMP_DOWNLOAD_DIR" || die "failed to untar"
+fi
+
+# Find the actual extracted directory name (handles snapshots where filename != directory name)
+actualDistributionDir=""
+
+# First try the expected directory name (for regular distributions)
+if [ -d "$TMP_DOWNLOAD_DIR/$distributionUrlNameMain" ]; then
+  if [ -f "$TMP_DOWNLOAD_DIR/$distributionUrlNameMain/bin/$MVN_CMD" ]; then
+    actualDistributionDir="$distributionUrlNameMain"
+  fi
+fi
+
+# If not found, search for any directory with the Maven executable (for snapshots)
+if [ -z "$actualDistributionDir" ]; then
+  # enable globbing to iterate over items
+  set +f
+  for dir in "$TMP_DOWNLOAD_DIR"/*; do
+    if [ -d "$dir" ]; then
+      if [ -f "$dir/bin/$MVN_CMD" ]; then
+        actualDistributionDir="$(basename "$dir")"
+        break
+      fi
+    fi
+  done
+  set -f
+fi
+
+if [ -z "$actualDistributionDir" ]; then
+  verbose "Contents of $TMP_DOWNLOAD_DIR:"
+  verbose "$(ls -la "$TMP_DOWNLOAD_DIR")"
+  die "Could not find Maven distribution directory in extracted archive"
+fi
+
+verbose "Found extracted Maven distribution directory: $actualDistributionDir"
+printf %s\\n "$distributionUrl" >"$TMP_DOWNLOAD_DIR/$actualDistributionDir/mvnw.url"
+mv -- "$TMP_DOWNLOAD_DIR/$actualDistributionDir" "$MAVEN_HOME" || [ -d "$MAVEN_HOME" ] || die "fail to move MAVEN_HOME"
+
+clean || :
+exec_maven "$@"
--- a/mvnw.cmd
+++ b/mvnw.cmd
@@ -0,0 +1,189 @@
+<# : batch portion
+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements.  See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership.  The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License.  You may obtain a copy of the License at
+@REM
+@REM    http://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Apache Maven Wrapper startup batch script, version 3.3.4
+@REM
+@REM Optional ENV vars
+@REM   MVNW_REPOURL - repo url base for downloading maven distribution
+@REM   MVNW_USERNAME/MVNW_PASSWORD - user and password for downloading maven
+@REM   MVNW_VERBOSE - true: enable verbose log; others: silence the output
+@REM ----------------------------------------------------------------------------
+
+@IF "%__MVNW_ARG0_NAME__%"=="" (SET __MVNW_ARG0_NAME__=%~nx0)
+@SET __MVNW_CMD__=
+@SET __MVNW_ERROR__=
+@SET __MVNW_PSMODULEP_SAVE=%PSModulePath%
+@SET PSModulePath=
+@FOR /F "usebackq tokens=1* delims==" %%A IN (`powershell -noprofile "& {$scriptDir='%~dp0'; $script='%__MVNW_ARG0_NAME__%'; icm -ScriptBlock ([Scriptblock]::Create((Get-Content -Raw '%~f0'))) -NoNewScope}"`) DO @(
+  IF "%%A"=="MVN_CMD" (set __MVNW_CMD__=%%B) ELSE IF "%%B"=="" (echo %%A) ELSE (echo %%A=%%B)
+)
+@SET PSModulePath=%__MVNW_PSMODULEP_SAVE%
+@SET __MVNW_PSMODULEP_SAVE=
+@SET __MVNW_ARG0_NAME__=
+@SET MVNW_USERNAME=
+@SET MVNW_PASSWORD=
+@IF NOT "%__MVNW_CMD__%"=="" ("%__MVNW_CMD__%" %*)
+@echo Cannot start maven from wrapper >&2 && exit /b 1
+@GOTO :EOF
+: end batch / begin powershell #>
+
+$ErrorActionPreference = "Stop"
+if ($env:MVNW_VERBOSE -eq "true") {
+  $VerbosePreference = "Continue"
+}
+
+# calculate distributionUrl, requires .mvn/wrapper/maven-wrapper.properties
+$distributionUrl = (Get-Content -Raw "$scriptDir/.mvn/wrapper/maven-wrapper.properties" | ConvertFrom-StringData).distributionUrl
+if (!$distributionUrl) {
+  Write-Error "cannot read distributionUrl property in $scriptDir/.mvn/wrapper/maven-wrapper.properties"
+}
+
+switch -wildcard -casesensitive ( $($distributionUrl -replace '^.*/','') ) {
+  "maven-mvnd-*" {
+    $USE_MVND = $true
+    $distributionUrl = $distributionUrl -replace '-bin\.[^.]*$',"-windows-amd64.zip"
+    $MVN_CMD = "mvnd.cmd"
+    break
+  }
+  default {
+    $USE_MVND = $false
+    $MVN_CMD = $script -replace '^mvnw','mvn'
+    break
+  }
+}
+
+# apply MVNW_REPOURL and calculate MAVEN_HOME
+# maven home pattern: ~/.m2/wrapper/dists/{apache-maven-<version>,maven-mvnd-<version>-<platform>}/<hash>
+if ($env:MVNW_REPOURL) {
+  $MVNW_REPO_PATTERN = if ($USE_MVND -eq $False) { "/org/apache/maven/" } else { "/maven/mvnd/" }
+  $distributionUrl = "$env:MVNW_REPOURL$MVNW_REPO_PATTERN$($distributionUrl -replace "^.*$MVNW_REPO_PATTERN",'')"
+}
+$distributionUrlName = $distributionUrl -replace '^.*/',''
+$distributionUrlNameMain = $distributionUrlName -replace '\.[^.]*$','' -replace '-bin$',''
+
+$MAVEN_M2_PATH = "$HOME/.m2"
+if ($env:MAVEN_USER_HOME) {
+  $MAVEN_M2_PATH = "$env:MAVEN_USER_HOME"
+}
+
+if (-not (Test-Path -Path $MAVEN_M2_PATH)) {
+    New-Item -Path $MAVEN_M2_PATH -ItemType Directory | Out-Null
+}
+
+$MAVEN_WRAPPER_DISTS = $null
+if ((Get-Item $MAVEN_M2_PATH).Target[0] -eq $null) {
+  $MAVEN_WRAPPER_DISTS = "$MAVEN_M2_PATH/wrapper/dists"
+} else {
+  $MAVEN_WRAPPER_DISTS = (Get-Item $MAVEN_M2_PATH).Target[0] + "/wrapper/dists"
+}
+
+$MAVEN_HOME_PARENT = "$MAVEN_WRAPPER_DISTS/$distributionUrlNameMain"
+$MAVEN_HOME_NAME = ([System.Security.Cryptography.SHA256]::Create().ComputeHash([byte[]][char[]]$distributionUrl) | ForEach-Object {$_.ToString("x2")}) -join ''
+$MAVEN_HOME = "$MAVEN_HOME_PARENT/$MAVEN_HOME_NAME"
+
+if (Test-Path -Path "$MAVEN_HOME" -PathType Container) {
+  Write-Verbose "found existing MAVEN_HOME at $MAVEN_HOME"
+  Write-Output "MVN_CMD=$MAVEN_HOME/bin/$MVN_CMD"
+  exit $?
+}
+
+if (! $distributionUrlNameMain -or ($distributionUrlName -eq $distributionUrlNameMain)) {
+  Write-Error "distributionUrl is not valid, must end with *-bin.zip, but found $distributionUrl"
+}
+
+# prepare tmp dir
+$TMP_DOWNLOAD_DIR_HOLDER = New-TemporaryFile
+$TMP_DOWNLOAD_DIR = New-Item -Itemtype Directory -Path "$TMP_DOWNLOAD_DIR_HOLDER.dir"
+$TMP_DOWNLOAD_DIR_HOLDER.Delete() | Out-Null
+trap {
+  if ($TMP_DOWNLOAD_DIR.Exists) {
+    try { Remove-Item $TMP_DOWNLOAD_DIR -Recurse -Force | Out-Null }
+    catch { Write-Warning "Cannot remove $TMP_DOWNLOAD_DIR" }
+  }
+}
+
+New-Item -Itemtype Directory -Path "$MAVEN_HOME_PARENT" -Force | Out-Null
+
+# Download and Install Apache Maven
+Write-Verbose "Couldn't find MAVEN_HOME, downloading and installing it ..."
+Write-Verbose "Downloading from: $distributionUrl"
+Write-Verbose "Downloading to: $TMP_DOWNLOAD_DIR/$distributionUrlName"
+
+$webclient = New-Object System.Net.WebClient
+if ($env:MVNW_USERNAME -and $env:MVNW_PASSWORD) {
+  $webclient.Credentials = New-Object System.Net.NetworkCredential($env:MVNW_USERNAME, $env:MVNW_PASSWORD)
+}
+[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
+$webclient.DownloadFile($distributionUrl, "$TMP_DOWNLOAD_DIR/$distributionUrlName") | Out-Null
+
+# If specified, validate the SHA-256 sum of the Maven distribution zip file
+$distributionSha256Sum = (Get-Content -Raw "$scriptDir/.mvn/wrapper/maven-wrapper.properties" | ConvertFrom-StringData).distributionSha256Sum
+if ($distributionSha256Sum) {
+  if ($USE_MVND) {
+    Write-Error "Checksum validation is not supported for maven-mvnd. `nPlease disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties."
+  }
+  Import-Module $PSHOME\Modules\Microsoft.PowerShell.Utility -Function Get-FileHash
+  if ((Get-FileHash "$TMP_DOWNLOAD_DIR/$distributionUrlName" -Algorithm SHA256).Hash.ToLower() -ne $distributionSha256Sum) {
+    Write-Error "Error: Failed to validate Maven distribution SHA-256, your Maven distribution might be compromised. If you updated your Maven version, you need to update the specified distributionSha256Sum property."
+  }
+}
+
+# unzip and move
+Expand-Archive "$TMP_DOWNLOAD_DIR/$distributionUrlName" -DestinationPath "$TMP_DOWNLOAD_DIR" | Out-Null
+
+# Find the actual extracted directory name (handles snapshots where filename != directory name)
+$actualDistributionDir = ""
+
+# First try the expected directory name (for regular distributions)
+$expectedPath = Join-Path "$TMP_DOWNLOAD_DIR" "$distributionUrlNameMain"
+$expectedMvnPath = Join-Path "$expectedPath" "bin/$MVN_CMD"
+if ((Test-Path -Path $expectedPath -PathType Container) -and (Test-Path -Path $expectedMvnPath -PathType Leaf)) {
+  $actualDistributionDir = $distributionUrlNameMain
+}
+
+# If not found, search for any directory with the Maven executable (for snapshots)
+if (!$actualDistributionDir) {
+  Get-ChildItem -Path "$TMP_DOWNLOAD_DIR" -Directory | ForEach-Object {
+    $testPath = Join-Path $_.FullName "bin/$MVN_CMD"
+    if (Test-Path -Path $testPath -PathType Leaf) {
+      $actualDistributionDir = $_.Name
+    }
+  }
+}
+
+if (!$actualDistributionDir) {
+  Write-Error "Could not find Maven distribution directory in extracted archive"
+}
+
+Write-Verbose "Found extracted Maven distribution directory: $actualDistributionDir"
+Rename-Item -Path "$TMP_DOWNLOAD_DIR/$actualDistributionDir" -NewName $MAVEN_HOME_NAME | Out-Null
+try {
+  Move-Item -Path "$TMP_DOWNLOAD_DIR/$MAVEN_HOME_NAME" -Destination $MAVEN_HOME_PARENT | Out-Null
+} catch {
+  if (! (Test-Path -Path "$MAVEN_HOME" -PathType Container)) {
+    Write-Error "fail to move MAVEN_HOME"
+  }
+} finally {
+  try { Remove-Item $TMP_DOWNLOAD_DIR -Recurse -Force | Out-Null }
+  catch { Write-Warning "Cannot remove $TMP_DOWNLOAD_DIR" }
+}
+
+Write-Output "MVN_CMD=$MAVEN_HOME/bin/$MVN_CMD"
--- a/pom.xml
+++ b/pom.xml
@@ -0,0 +1,103 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>3.5.6</version>
+        <relativePath/> <!-- lookup parent from repository -->
+    </parent>
+    <groupId>com.pmumali</groupId>
+    <artifactId>plr</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>plr</name>
+    <description>Demo project for Spring Boot</description>
+    <url/>
+    <licenses>
+        <license/>
+    </licenses>
+    <developers>
+        <developer/>
+    </developers>
+    <scm>
+        <connection/>
+        <developerConnection/>
+        <tag/>
+        <url/>
+    </scm>
+    <properties>
+        <java.version>17</java.version>
+    </properties>
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.flywaydb</groupId>
+            <artifactId>flyway-database-postgresql</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-devtools</artifactId>
+            <scope>runtime</scope>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>org.postgresql</groupId>
+            <artifactId>postgresql</artifactId>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.springdoc</groupId>
+            <artifactId>springdoc-openapi-starter-webmvc-ui</artifactId>
+            <version>2.8.13</version> <!-- Use the latest compatible version -->
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <annotationProcessorPaths>
+                        <path>
+                            <groupId>org.projectlombok</groupId>
+                            <artifactId>lombok</artifactId>
+                        </path>
+                    </annotationProcessorPaths>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <configuration>
+                    <excludes>
+                        <exclude>
+                            <groupId>org.projectlombok</groupId>
+                            <artifactId>lombok</artifactId>
+                        </exclude>
+                    </excludes>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>
--- a/src/main/java/com/pmumali/plr/PlrApplication.java
+++ b/src/main/java/com/pmumali/plr/PlrApplication.java
@@ -0,0 +1,13 @@
+package com.pmumali.plr;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class PlrApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(PlrApplication.class, args);
+	}
+
+}
--- a/src/main/java/com/pmumali/plr/controllers/ChevalController.java
+++ b/src/main/java/com/pmumali/plr/controllers/ChevalController.java
@@ -0,0 +1,83 @@
+package com.pmumali.plr.controllers;
+
+import java.net.URI;
+import java.util.List;
+
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import com.pmumali.plr.dtos.ChevalDto;
+import com.pmumali.plr.models.Cheval;
+import com.pmumali.plr.services.ChevalService;
+
+import io.swagger.v3.oas.annotations.Operation;
+import lombok.Data;
+
+@Data
+@RestController
+@RequestMapping("/api/chevaux")
+public class ChevalController {
+    private final ChevalService chevalService;
+
+    @Operation(summary = "Créer un cheval")
+    @PostMapping
+    public ResponseEntity<ChevalDto> create(@RequestBody ChevalDto dto) {
+        Cheval ch = new Cheval();
+        ch.setNom(dto.nom());
+        ch.setNumero(dto.numero());
+        ch.setNomEcurie(dto.nomEcurie());
+        ch.setBirthYear(dto.birthYear());
+
+        ch = chevalService.create(ch);
+
+        ChevalDto response = new ChevalDto(ch.getId(), ch.getNom(), ch.getNumero(), ch.getNomEcurie(),
+                ch.getBirthYear());
+        return ResponseEntity.created(URI.create("/api/chevaux/" + ch.getId())).body(response);
+    }
+
+    @Operation(summary = "Lister tous les chevaux")
+    @GetMapping
+    public ResponseEntity<List<ChevalDto>> all() {
+        List<ChevalDto> list = chevalService.all().stream()
+                .map(h -> new ChevalDto(h.getId(), h.getNom(), h.getNumero(), h.getNomEcurie(), h.getBirthYear()))
+                .toList();
+        return ResponseEntity.ok(list);
+    }
+
+    @Operation(summary = "Récupérer un cheval par id")
+    @GetMapping("/{id}")
+    public ResponseEntity<ChevalDto> one(@PathVariable Long id) {
+        Cheval h = chevalService.get(id);
+        ChevalDto dto = new ChevalDto(h.getId(), h.getNom(), h.getNumero(), h.getNomEcurie(), h.getBirthYear());
+        return ResponseEntity.ok(dto);
+    }
+
+    @Operation(summary = "Mettre à jour un cheval")
+    @PutMapping("/{id}")
+    public ResponseEntity<ChevalDto> update(@PathVariable Long id, @RequestBody ChevalDto dto) {
+        Cheval ch = new Cheval();
+        ch.setNom(dto.nom());
+        ch.setNumero(dto.numero());
+        ch.setNomEcurie(dto.nomEcurie());
+        ch.setBirthYear(dto.birthYear());
+
+        ch = chevalService.update(id, ch);
+        ChevalDto response = new ChevalDto(ch.getId(), ch.getNom(), ch.getNumero(), ch.getNomEcurie(),
+                ch.getBirthYear());
+        return ResponseEntity.ok(response);
+    }
+
+    @Operation(summary = "Supprimer un cheval")
+    @DeleteMapping("/{id}")
+    public ResponseEntity<Void> delete(@PathVariable Long id) {
+        chevalService.delete(id);
+        return ResponseEntity.noContent().build();
+    }
+}
--- a/src/main/java/com/pmumali/plr/controllers/CourseController.java
+++ b/src/main/java/com/pmumali/plr/controllers/CourseController.java
@@ -0,0 +1,221 @@
+package com.pmumali.plr.controllers;
+
+import java.net.URI;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+import org.springframework.dao.DataIntegrityViolationException;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+import com.pmumali.plr.dtos.BulkChevalCourseRequest;
+import com.pmumali.plr.dtos.ChevalCourseDto;
+import com.pmumali.plr.dtos.CourseDto;
+import com.pmumali.plr.enums.CourseStatue;
+import com.pmumali.plr.models.ChevalCourse;
+import com.pmumali.plr.models.Course;
+import com.pmumali.plr.services.CourseService;
+
+import io.swagger.v3.oas.annotations.Operation;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+@RestController
+@RequestMapping("/api/courses")
+@Data
+@AllArgsConstructor
+public class CourseController {
+    private final CourseService courseService;
+
+    @Operation(summary = "Créer une course")
+    @PostMapping
+    public ResponseEntity<CourseDto> create(@RequestBody CourseDto dto) {
+        Course c = new Course();
+
+        c.setNom(dto.nom());
+        c.setLieu(dto.lieu());
+        c.setDepartureDateTime(dto.departureDateTime());
+        c.setStatus(dto.status());
+
+        c = courseService.create(c);
+        CourseDto result = new CourseDto(c.getId(), c.getNom(), c.getLieu(), c.getDepartureDateTime(), c.getStatus());
+
+        return ResponseEntity.created(URI.create("/api/courses/" + c.getId())).body(result);
+    }
+
+    /** GET /api/courses - list all or filter by status ?status=PLANIFIEE */
+    @Operation(summary = "Récupérer une course par son id")
+    @GetMapping("{id}")
+    public ResponseEntity<CourseDto> getCourse(
+            @PathVariable Long id) {
+        Course course = courseService.get(id);
+        CourseDto response = new CourseDto(course.getId(), course.getNom(), course.getLieu(),
+                course.getDepartureDateTime(), course.getStatus());
+        return ResponseEntity.ok(response);
+    }
+
+    /** GET /api/courses - list all or filter by status ?status=PLANIFIEE */
+    @Operation(summary = "Lister tous les courses filtrer ou non par le statue")
+    @GetMapping
+    public ResponseEntity<List<CourseDto>> listAll(
+            @RequestParam(value = "status", required = false) CourseStatue status) {
+        List<Course> courses = (status == null) ? courseService.getAllCourses()
+                : courseService.getCoursesByStatus(status);
+
+        List<CourseDto> dtos = courses.stream()
+                .map(c -> new CourseDto(c.getId(), c.getNom(), c.getLieu(), c.getDepartureDateTime(), c.getStatus()))
+                .toList();
+
+        return ResponseEntity.ok(dtos);
+    }
+
+    /** PUT /api/courses/{id} - update course */
+    @Operation(summary = "Mettre à jour une course")
+    @PutMapping("/{id}")
+    public ResponseEntity<CourseDto> editCourse(@PathVariable Long id, @RequestBody CourseDto dto) {
+        // Build a Course entity from incoming DTO (only filled fields will be applied)
+        Course update = new Course();
+        update.setNom(dto.nom());
+        update.setLieu(dto.lieu());
+        update.setDepartureDateTime(dto.departureDateTime());
+        update.setStatus(dto.status());
+
+        Course updated = courseService.updateCourse(id, update);
+
+        CourseDto result = new CourseDto(updated.getId(), updated.getNom(), updated.getLieu(),
+                updated.getDepartureDateTime(), updated.getStatus());
+        return ResponseEntity.ok(result);
+    }
+
+    /**
+     * DELETE /api/courses/{id}
+     * - default soft delete (cancels the race)
+     * - pass ?hard=true to attempt a hard delete (physical removal)
+     */
+    @Operation(summary = "Supprimer une course")
+    @DeleteMapping("/{id}")
+    public ResponseEntity<?> deleteCourse(@PathVariable Long id,
+            @RequestParam(value = "hard", required = false, defaultValue = "false") boolean hard) {
+        try {
+            courseService.deleteCourse(id, hard);
+            if (!hard) {
+                // return the cancelled course representation
+                Course c = courseService.get(id);
+                CourseDto dto = new CourseDto(c.getId(), c.getNom(), c.getLieu(), c.getDepartureDateTime(),
+                        c.getStatus());
+                return ResponseEntity.ok(dto);
+            } else {
+                // hard delete succeeded: no content
+                return ResponseEntity.noContent().build();
+            }
+        } catch (DataIntegrityViolationException ex) {
+            return ResponseEntity.status(409).body(java.util.Collections.singletonMap("error", ex.getMessage()));
+        }
+    }
+
+    // Ajout d'un cheval à la course -> POST /api/courses/{id}/chevaux
+    @Operation(summary = "Ajouter un cheval à une course")
+    @PostMapping("/{id}/chevaux")
+    public ResponseEntity<ChevalCourseDto> ajouterCheval(@PathVariable Long id, @RequestBody ChevalCourseDto dto) {
+        ChevalCourse rh = courseService.ajouterCheval(id, dto.chevalId(), dto.numeroCheval());
+
+        ChevalCourseDto response = new ChevalCourseDto(
+                rh.getId(),
+                rh.getCourse().getId(),
+                rh.getCheval().getId(),
+                rh.getNumeroCheval(),
+                rh.getNonPartant(),
+                rh.getEstDisqualifie());
+
+        return ResponseEntity.created(URI.create("/api/courses/" + id + "/chevaux/" + rh.getId())).body(response);
+    }
+
+    @Operation(summary = "Ajouter des chevaux à une course")
+    @PostMapping("/{id}/chevaux/bulk")
+    public ResponseEntity<?> bulkAddChevaux(@PathVariable("id") Long id, @RequestBody BulkChevalCourseRequest request) {
+        try {
+            List<ChevalCourse> saved = courseService.ajouterChevauxBulk(id, request);
+
+            List<ChevalCourseDto> dtos = saved.stream()
+                    .map(rh -> new ChevalCourseDto(rh.getId(), rh.getCourse().getId(), rh.getCheval().getId(),
+                            rh.getNumeroCheval(), rh.getNonPartant(), rh.getEstDisqualifie()))
+                    .collect(Collectors.toList());
+
+            return ResponseEntity.created(URI.create("/api/courses/" + id + "/chevaux")).body(dtos);
+        } catch (IllegalArgumentException e) {
+            // doublons dans la requête
+            return ResponseEntity.badRequest().body(Map.of("error", e.getMessage()));
+        } catch (DataIntegrityViolationException e) {
+            // conflit avec la DB (numéro déjà utilisé, contrainte unique)
+            return ResponseEntity.status(409).body(Map.of("error", e.getMessage()));
+        }
+    }
+
+    // Lister les inscriptions d'une course
+    @Operation(summary = "Lister les chevaux inscrits à une course")
+    @GetMapping("/{id}/chevaux")
+    public List<ChevalCourseDto> listChevaux(@PathVariable Long id) {
+        return courseService.getInscriptions(id).stream()
+                .map(rh -> new ChevalCourseDto(rh.getId(), rh.getCourse().getId(), rh.getCheval().getId(),
+                        rh.getNumeroCheval(), rh.getNonPartant(), rh.getEstDisqualifie()))
+                .toList();
+    }
+
+    // Marquer un cheval comme non-partant (scratch)
+    @Operation(summary = "Marquer un cheval comme non-partant (NP) à une course")
+    @PutMapping("/cheval-course/{chevalCourseId}/scratch")
+    public ResponseEntity<Void> scratch(@PathVariable Long chevalCourseId, @RequestParam boolean value) {
+        courseService.estNonPartant(chevalCourseId, value);
+        return ResponseEntity.noContent().build();
+    }
+
+    // Déclarer disqualifié
+    @Operation(summary = "Déclarer un cheval comme disqualifié à une course")
+    @PutMapping("/cheval-course/{chevalCourseId}/disqualify")
+    public ResponseEntity<Void> disqualify(@PathVariable Long chevalCourseId, @RequestParam boolean value) {
+        courseService.declarerDisqualifie(chevalCourseId, value);
+        return ResponseEntity.noContent().build();
+    }
+
+    // Supprimer inscription
+    @Operation(summary = "Supprimer un cheval inscrit d'une course")
+    @DeleteMapping("/cheval-course/{chevalCourseId}")
+    public ResponseEntity<Void> removeInscription(@PathVariable Long chevalCourseId) {
+        courseService.removeChevalFromCourse(chevalCourseId);
+        return ResponseEntity.noContent().build();
+    }
+
+    // Autres endpoints utiles : counts
+    @Operation(summary = "Compter les chevaux non-partants à une course")
+    @GetMapping("/{id}/counts/non-partants")
+    public int countNonPartants(@PathVariable Long id) {
+        return courseService.countNonPartants(id);
+    }
+
+    @Operation(summary = "Compter les chevaux partants à une course")
+    @GetMapping("/{id}/counts/valid-participants")
+    public int countValidParticipants(@PathVariable Long id) {
+        return courseService.countValidParticipants(id);
+    }
+
+    @Operation(summary = "Lister les course par statue (PLANIFIEE, EN_COURS, CLOTUREE, ANNULEE)")
+    @GetMapping("/status/{status}")
+    public ResponseEntity<List<CourseDto>> getCoursesByStatus(@PathVariable("status") CourseStatue status) {
+        List<Course> courses = courseService.getCoursesByCourseStatue(status);
+
+        List<CourseDto> dtos = courses.stream()
+                .map(c -> new CourseDto(c.getId(), c.getNom(), c.getLieu(), c.getDepartureDateTime(), c.getStatus()))
+                .toList();
+
+        return ResponseEntity.ok(dtos);
+    }
+}
--- a/src/main/java/com/pmumali/plr/controllers/PariController.java
+++ b/src/main/java/com/pmumali/plr/controllers/PariController.java
@@ -0,0 +1,89 @@
+package com.pmumali.plr.controllers;
+
+import java.net.URI;
+import java.util.List;
+
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import com.pmumali.plr.dtos.PariDto;
+import com.pmumali.plr.enums.PariType;
+import com.pmumali.plr.models.Pari;
+import com.pmumali.plr.services.PariService;
+
+import io.swagger.v3.oas.annotations.Operation;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+@RestController
+@RequestMapping("/api/paris")
+@Data
+@AllArgsConstructor
+public class PariController {
+    private final PariService pariService;
+
+    @Operation(summary = "Placer un pari")
+    @PostMapping
+    public ResponseEntity<PariDto> create(@RequestBody PariDto dto) {
+        Pari p = pariService.create(dto.courseId(), dto.chevalId(), dto.pariType(), dto.mise(), dto.bettorRef());
+        PariDto response = new PariDto(p.getId(), p.getCourse().getId(), p.getCheval().getId(), p.getPariType(),
+                p.getMise(), p.getBettorRef());
+        return ResponseEntity.created(URI.create("/api/paris/" + p.getId())).body(response);
+    }
+
+    @Operation(summary = "Lister tous les paris")
+    @GetMapping
+    public ResponseEntity<List<PariDto>> all() {
+        List<PariDto> list = pariService.all().stream()
+                .map(h -> new PariDto(h.getId(), h.getCourse().getId(), h.getCheval().getId(), h.getPariType(),
+                        h.getMise(), h.getBettorRef()))
+                .toList();
+        return ResponseEntity.ok(list);
+    }
+
+    @Operation(summary = "Récupérer un pari par id")
+    @GetMapping("/{id}")
+    public ResponseEntity<PariDto> one(@PathVariable Long id) {
+        Pari p = pariService.get(id);
+        PariDto dto = new PariDto(p.getId(), p.getCourse().getId(), p.getCheval().getId(), p.getPariType(), p.getMise(),
+                p.getBettorRef());
+        return ResponseEntity.ok(dto);
+    }
+
+    // Recherche par type (ex: SIMPLE_GAGNANT)
+    @Operation(summary = "Lister les paris par type")
+    @GetMapping("/type/{pariType}")
+    public ResponseEntity<List<PariDto>> getAllByPariType(@PathVariable PariType pariType) {
+        List<PariDto> list = pariService.getParisByPariType(pariType).stream()
+                .map(h -> new PariDto(h.getId(), h.getCourse().getId(), h.getCheval().getId(), h.getPariType(),
+                        h.getMise(), h.getBettorRef()))
+                .toList();
+        return ResponseEntity.ok(list);
+    }
+
+    // Recherche par course et type
+    @Operation(summary = "Lister les paris par course + type")
+    @GetMapping("/course/{courseId}/type/{pariType}")
+    public ResponseEntity<List<PariDto>> getByCourseAndType(@PathVariable Long courseId,
+            @PathVariable PariType pariType) {
+        List<PariDto> list = pariService.getParisByCourseAndType(courseId, pariType).stream()
+                .map(h -> new PariDto(h.getId(), h.getCourse().getId(), h.getCheval().getId(), h.getPariType(),
+                        h.getMise(), h.getBettorRef()))
+                .toList();
+        return ResponseEntity.ok(list);
+    }
+
+    // Somme des mises d'une course / type (utile pour calculs de pools)
+    @Operation(summary = "Total des mises pour une course et un type de pari")
+    @GetMapping("/course/{courseId}/type/{pariType}/sum")
+    public ResponseEntity<java.math.BigDecimal> sumMises(@PathVariable Long courseId, @PathVariable PariType pariType) {
+        java.math.BigDecimal total = pariService.sumMiseByCourseIdAndPariType(courseId, pariType);
+        return ResponseEntity.ok(total);
+    }
+
+}
--- a/src/main/java/com/pmumali/plr/dtos/BulkChevalCourseRequest.java
+++ b/src/main/java/com/pmumali/plr/dtos/BulkChevalCourseRequest.java
@@ -0,0 +1,8 @@
+package com.pmumali.plr.dtos;
+
+import java.util.List;
+
+public record BulkChevalCourseRequest(List<ChevalEntry> entries) {
+    public static record ChevalEntry(Long chevalId, Integer numeroCheval) {
+    }
+}
--- a/src/main/java/com/pmumali/plr/dtos/ChevalCourseDto.java
+++ b/src/main/java/com/pmumali/plr/dtos/ChevalCourseDto.java
@@ -0,0 +1,3 @@
+package com.pmumali.plr.dtos;
+
+public record ChevalCourseDto(Long id, Long courseId, Long chevalId, Integer numeroCheval, Boolean nonPartant, Boolean estDisqualifie) {}
--- a/src/main/java/com/pmumali/plr/dtos/ChevalCourseEstDisqualifie.java
+++ b/src/main/java/com/pmumali/plr/dtos/ChevalCourseEstDisqualifie.java
@@ -0,0 +1,3 @@
+package com.pmumali.plr.dtos;
+
+public record ChevalCourseEstDisqualifie(Long chevalId, Boolean estDisqualifie) {}
--- a/src/main/java/com/pmumali/plr/dtos/ChevalCourseNonPartantDto.java
+++ b/src/main/java/com/pmumali/plr/dtos/ChevalCourseNonPartantDto.java
@@ -0,0 +1,3 @@
+package com.pmumali.plr.dtos;
+
+public record ChevalCourseNonPartantDto(Long chevalId, Integer nonPartant) {}
--- a/src/main/java/com/pmumali/plr/dtos/ChevalCourseNonPartantEtEstDisqualifie.java
+++ b/src/main/java/com/pmumali/plr/dtos/ChevalCourseNonPartantEtEstDisqualifie.java
@@ -0,0 +1,3 @@
+package com.pmumali.plr.dtos;
+
+public record ChevalCourseNonPartantEtEstDisqualifie(Long chevalId, Boolean nonPartant, Boolean estDisqualifie) {}
--- a/src/main/java/com/pmumali/plr/dtos/ChevalDto.java
+++ b/src/main/java/com/pmumali/plr/dtos/ChevalDto.java
@@ -0,0 +1,3 @@
+package com.pmumali.plr.dtos;
+
+public record ChevalDto(Long id, String nom, Integer numero, String nomEcurie, Integer birthYear) {}
--- a/src/main/java/com/pmumali/plr/dtos/CourseDto.java
+++ b/src/main/java/com/pmumali/plr/dtos/CourseDto.java
@@ -0,0 +1,7 @@
+package com.pmumali.plr.dtos;
+
+import java.time.LocalDateTime;
+
+import com.pmumali.plr.enums.CourseStatue;
+
+public record CourseDto(Long id, String nom, String lieu, LocalDateTime departureDateTime, CourseStatue status){}
--- a/src/main/java/com/pmumali/plr/dtos/PariDto.java
+++ b/src/main/java/com/pmumali/plr/dtos/PariDto.java
@@ -0,0 +1,7 @@
+package com.pmumali.plr.dtos;
+
+import java.math.BigDecimal;
+
+import com.pmumali.plr.enums.PariType;
+
+public record PariDto(Long id, Long courseId, Long chevalId, PariType pariType, BigDecimal mise, String bettorRef) {}
--- a/src/main/java/com/pmumali/plr/enums/CourseStatue.java
+++ b/src/main/java/com/pmumali/plr/enums/CourseStatue.java
@@ -0,0 +1,5 @@
+package com.pmumali.plr.enums;
+
+public enum CourseStatue {
+    PLANIFIEE, EN_COURS, CLOTUREE, ANNULEE
+}
--- a/src/main/java/com/pmumali/plr/enums/PariType.java
+++ b/src/main/java/com/pmumali/plr/enums/PariType.java
@@ -0,0 +1,5 @@
+package com.pmumali.plr.enums;
+
+public enum PariType {
+    SIMPLE_GAGNANT, SIMPLE_PLACE
+}
--- a/src/main/java/com/pmumali/plr/models/BaseEntite.java
+++ b/src/main/java/com/pmumali/plr/models/BaseEntite.java
@@ -0,0 +1,30 @@
+package com.pmumali.plr.models;
+
+import java.time.LocalDateTime;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.MappedSuperclass;
+import jakarta.persistence.PreUpdate;
+import lombok.Data;
+
+@Data
+@MappedSuperclass
+public abstract class BaseEntite {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    protected Long id;
+
+    @Column(name="created_at")
+    protected LocalDateTime createdAt = LocalDateTime.now();
+
+    @Column(name="updated_at")
+    protected LocalDateTime updatedAt  = LocalDateTime.now();
+
+    @PreUpdate protected void onUpdate()
+    { 
+        this.updatedAt = LocalDateTime.now();
+    }
+}
--- a/src/main/java/com/pmumali/plr/models/Cheval.java
+++ b/src/main/java/com/pmumali/plr/models/Cheval.java
@@ -0,0 +1,26 @@
+package com.pmumali.plr.models;
+
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.Setter;
+
+
+@Entity
+@Data
+@Getter
+@Setter
+@EqualsAndHashCode(callSuper=false)
+public class Cheval extends BaseEntite {
+    private String nom;
+
+    private Integer numero;
+
+    private String nomEcurie;
+
+    @Column(name = "birth_year")
+    private Integer birthYear;
+}
--- a/src/main/java/com/pmumali/plr/models/ChevalCourse.java
+++ b/src/main/java/com/pmumali/plr/models/ChevalCourse.java
@@ -0,0 +1,39 @@
+package com.pmumali.plr.models;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.Table;
+import jakarta.persistence.UniqueConstraint;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.Setter;
+
+
+@Entity
+@Table(
+  name = "cheval_course",
+  uniqueConstraints = @UniqueConstraint(name="uk_course_numero", columnNames = {"course_id","numero_cheval"})
+)
+@Data
+@Getter
+@Setter
+@EqualsAndHashCode(callSuper=false)
+public class ChevalCourse extends BaseEntite {
+  @ManyToOne(optional = false) @JoinColumn(name="course_id")
+  private Course course;
+
+  @ManyToOne(optional = false) @JoinColumn(name="cheval_id")
+  private Cheval cheval;
+
+  @Column(name="numero_cheval", nullable=false)
+  private Integer numeroCheval;
+
+  @Column(name="non_partant", nullable=false)
+  private Boolean nonPartant = false;
+
+  @Column(name="est_disqualifie", nullable=false)
+  private Boolean estDisqualifie = false;
+}
--- a/src/main/java/com/pmumali/plr/models/Course.java
+++ b/src/main/java/com/pmumali/plr/models/Course.java
@@ -0,0 +1,29 @@
+package com.pmumali.plr.models;
+
+import java.time.LocalDateTime;
+
+import com.pmumali.plr.enums.CourseStatue;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.Setter;
+
+
+@Entity
+@Data
+@Getter
+@Setter
+@EqualsAndHashCode(callSuper=false)
+public class Course extends BaseEntite {
+    private String nom;
+    
+    private String lieu;
+    
+    @Column(name="date_depart")
+    private LocalDateTime departureDateTime;
+    
+    private CourseStatue status = CourseStatue.PLANIFIEE;
+}
--- a/src/main/java/com/pmumali/plr/models/Pari.java
+++ b/src/main/java/com/pmumali/plr/models/Pari.java
@@ -0,0 +1,33 @@
+package com.pmumali.plr.models;
+
+import java.math.BigDecimal;
+
+import com.pmumali.plr.enums.PariType;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.ManyToOne;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.Setter;
+
+@Data
+@Entity
+@Getter
+@Setter
+@EqualsAndHashCode(callSuper=false)
+public class Pari extends BaseEntite {
+    @ManyToOne(optional=false)
+    private Course course;
+
+    @ManyToOne(optional=false)
+    private Cheval cheval;
+
+    private PariType pariType;
+
+    @Column(nullable=false)
+    private BigDecimal mise;
+
+    private String bettorRef;
+}
--- a/src/main/java/com/pmumali/plr/repositories/ChevalCourseRepository.java
+++ b/src/main/java/com/pmumali/plr/repositories/ChevalCourseRepository.java
@@ -0,0 +1,38 @@
+package com.pmumali.plr.repositories;
+
+import java.util.List;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import com.pmumali.plr.models.ChevalCourse;
+import com.pmumali.plr.models.Course;
+
+public interface ChevalCourseRepository extends JpaRepository<ChevalCourse, Long> {
+    // Retourne les chevaux non-partants pour une course
+    List<ChevalCourse> findByCourseAndNonPartantTrue(Course course);
+
+    // Retourne les chevaux disqualifiés pour une course
+    List<ChevalCourse> findByCourseAndEstDisqualifieTrue(Course course);
+
+    // Comptes
+    int countByCourseAndNonPartantTrue(Course course);
+
+    int countByCourseAndEstDisqualifieTrue(Course course);
+
+    // Variantes avec param booléen si tu veux filtrer dynamiquement
+    List<ChevalCourse> findByCourseAndNonPartant(Course course, Boolean nonPartant);
+
+    List<ChevalCourse> findByCourseAndEstDisqualifie(Course course, Boolean estDisqualifie);
+
+    // Exemples utiles déjà présents
+    List<ChevalCourse> findByCourseAndNonPartantFalse(Course course);
+
+    int countByCourseAndNonPartantFalseAndEstDisqualifieFalse(Course course);
+
+    // Récupérer toutes les inscriptions (ordre par numéro cheval utile)
+    List<ChevalCourse> findByCourseOrderByNumeroChevalAsc(Course course);
+
+    boolean existsByCourseAndNumeroCheval(Course course, Integer numeroCheval);
+
+    int countByCourse(Course course);
+}
--- a/src/main/java/com/pmumali/plr/repositories/ChevalRepository.java
+++ b/src/main/java/com/pmumali/plr/repositories/ChevalRepository.java
@@ -0,0 +1,7 @@
+package com.pmumali.plr.repositories;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import com.pmumali.plr.models.Cheval;
+
+public interface ChevalRepository extends JpaRepository<Cheval, Long>{}
--- a/src/main/java/com/pmumali/plr/repositories/CourseRepository.java
+++ b/src/main/java/com/pmumali/plr/repositories/CourseRepository.java
@@ -0,0 +1,14 @@
+package com.pmumali.plr.repositories;
+
+import java.util.List;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import com.pmumali.plr.enums.CourseStatue;
+import com.pmumali.plr.models.Course;
+
+public interface CourseRepository extends JpaRepository<Course, Long> {
+    List<Course> findByStatus(CourseStatue status);
+
+    List<Course> findByStatusNot(CourseStatue status);
+}
--- a/src/main/java/com/pmumali/plr/repositories/PariRepository.java
+++ b/src/main/java/com/pmumali/plr/repositories/PariRepository.java
@@ -0,0 +1,26 @@
+package com.pmumali.plr.repositories;
+
+import java.math.BigDecimal;
+import java.util.List;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+
+import com.pmumali.plr.enums.PariType;
+import com.pmumali.plr.models.Pari;
+
+public interface PariRepository extends JpaRepository<Pari, Long> {
+    List<Pari> findByCourseIdAndPariType(Long courseId, PariType pariType);
+
+    List<Pari> findByCourseIdAndPariTypeAndChevalId(Long courseId, PariType pariType, Long chevalId);
+
+    List<Pari> findByPariType(PariType pariType);
+
+    @Query("select coalesce(sum(p.mise),0) from Pari p where p.course.id=:courseId and p.pariType=:pariType")
+    BigDecimal sumMiseByCourseIdAndPariType(Long courseId, PariType pariType);
+
+    @Query("select coalesce(sum(p.mise),0) from Pari p where p.course.id=:courseId and p.pariType=:pariType and p.cheval.id=:chevalId")
+    BigDecimal sumMiseByCourseIdAndPariTypeAndChevalId(Long courseId, PariType pariType, Long chevalId);
+
+    int countByCourseId(Long courseId);
+}
--- a/src/main/java/com/pmumali/plr/services/ChevalService.java
+++ b/src/main/java/com/pmumali/plr/services/ChevalService.java
@@ -0,0 +1,45 @@
+package com.pmumali.plr.services;
+
+import java.util.List;
+
+import org.springframework.stereotype.Service;
+
+import com.pmumali.plr.models.Cheval;
+import com.pmumali.plr.repositories.ChevalRepository;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+@Service
+@Data
+@AllArgsConstructor
+public class ChevalService {
+    private final ChevalRepository chevalRepository;
+
+    public Cheval create(Cheval cheval) {
+        return chevalRepository.save(cheval);
+    }
+
+    public List<Cheval> all(){
+        return chevalRepository.findAll();
+    }
+
+    public Cheval get(Long id){
+        return chevalRepository.findById(id).orElseThrow();
+    }
+
+    public Cheval update(Long id, Cheval data){
+        Cheval h = get(id);
+
+        h.setNom(data.getNom());
+        h.setNumero(data.getNumero());
+        h.setNomEcurie(data.getNomEcurie());
+        h.setBirthYear(data.getBirthYear());
+
+        return chevalRepository.save(h);
+    }
+
+    public void delete(Long id){ 
+        chevalRepository.deleteById(id); 
+    }
+}
--- a/src/main/java/com/pmumali/plr/services/CourseService.java
+++ b/src/main/java/com/pmumali/plr/services/CourseService.java
@@ -0,0 +1,238 @@
+package com.pmumali.plr.services;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Objects;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+import org.springframework.dao.DataIntegrityViolationException;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import com.pmumali.plr.dtos.BulkChevalCourseRequest;
+import com.pmumali.plr.enums.CourseStatue;
+import com.pmumali.plr.models.Cheval;
+import com.pmumali.plr.models.ChevalCourse;
+import com.pmumali.plr.models.Course;
+import com.pmumali.plr.repositories.ChevalCourseRepository;
+import com.pmumali.plr.repositories.ChevalRepository;
+import com.pmumali.plr.repositories.CourseRepository;
+import com.pmumali.plr.repositories.PariRepository;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+@Service
+@Data
+@AllArgsConstructor
+public class CourseService {
+    private final ChevalRepository chevalRepository;
+    private final CourseRepository courseRepository;
+    private final ChevalCourseRepository chevalCourseRepository;
+    private final PariRepository pariRepository;
+
+    // Create a course
+    public Course create(Course course) {
+        return courseRepository.save(course);
+    }
+
+    // Get a course by id
+    public Course get(Long id) {
+        return courseRepository.findById(id).orElseThrow();
+    }
+
+    // Get all courses
+    @Transactional(readOnly = true)
+    public List<Course> getAllCourses() {
+        return courseRepository.findAll();
+    }
+
+    // Get all courses by statue
+    @Transactional(readOnly = true)
+    public List<Course> getCoursesByStatus(CourseStatue status) {
+        return courseRepository.findByStatus(status);
+    }
+
+    // Update a course
+    @Transactional
+    public Course updateCourse(Long id, Course data) {
+        Course existing = get(id);
+
+        // Apply editable fields only
+        if (Objects.nonNull(data.getNom()))
+            existing.setNom(data.getNom());
+        if (Objects.nonNull(data.getLieu()))
+            existing.setLieu(data.getLieu());
+        if (Objects.nonNull(data.getDepartureDateTime()))
+            existing.setDepartureDateTime(data.getDepartureDateTime());
+        if (Objects.nonNull(data.getStatus()))
+            existing.setStatus(data.getStatus());
+
+        return courseRepository.save(existing);
+    }
+
+    @Transactional
+    public void deleteCourse(Long id, boolean hard) {
+        Course course = get(id);
+
+        if (!hard) {
+            // soft delete: mark as canceled
+            course.setStatus(CourseStatue.ANNULEE);
+            courseRepository.save(course);
+            return;
+        }
+
+        // hard delete: check constraints
+        int pariCount = pariRepository.countByCourseId(id);
+        int inscriptionCount = chevalCourseRepository.countByCourse(course);
+
+        // optional: block if race already started or closed
+        if (course.getStatus() == CourseStatue.EN_COURS || course.getStatus() == CourseStatue.CLOTUREE) {
+            throw new DataIntegrityViolationException(
+                    "Cannot hard delete a course which is in progress or already closed.");
+        }
+
+        if (pariCount > 0) {
+            throw new DataIntegrityViolationException(
+                    "Cannot hard delete course: there are " + pariCount + " pari(s) linked to this course.");
+        }
+
+        if (inscriptionCount > 0) {
+            throw new DataIntegrityViolationException("Cannot hard delete course: there are " + inscriptionCount
+                    + " cheval-course inscriptions linked to this course.");
+        }
+
+        // safe to delete
+        courseRepository.deleteById(id);
+    }
+
+    // Get all horses by a course (asc)
+    public List<ChevalCourse> getInscriptions(Long courseId) {
+        Course course = get(courseId);
+        return chevalCourseRepository.findByCourseOrderByNumeroChevalAsc(course);
+    }
+
+    public List<ChevalCourse> getNonPartants(Long courseId) {
+        Course course = get(courseId);
+        return chevalCourseRepository.findByCourseAndNonPartantTrue(course);
+    }
+
+    public int countNonPartants(Long courseId) {
+        Course course = get(courseId);
+        return chevalCourseRepository.countByCourseAndNonPartantTrue(course);
+    }
+
+    public int countValidParticipants(Long courseId) {
+        Course course = get(courseId);
+        return chevalCourseRepository.countByCourseAndNonPartantFalseAndEstDisqualifieFalse(course);
+    }
+
+    // Add a horse to a course
+    @Transactional
+    public ChevalCourse ajouterCheval(Long courseId, Long chevalId, Integer numeroCheval) {
+        Course course = get(courseId);
+        Cheval cheval = chevalRepository.findById(chevalId).orElseThrow();
+
+        ChevalCourse cc = new ChevalCourse();
+
+        cc.setCourse(course);
+        cc.setCheval(cheval);
+        cc.setNumeroCheval(numeroCheval);
+
+        return chevalCourseRepository.save(cc);
+    }
+
+    @Transactional
+    public void estNonPartant(Long chevalCourseId, Boolean nonPartant) {
+        ChevalCourse cc = chevalCourseRepository.findById(chevalCourseId).orElseThrow();
+
+        cc.setNonPartant(nonPartant);
+
+        chevalCourseRepository.save(cc);
+    }
+
+    @Transactional
+    public void declarerDisqualifie(Long chevalCourseId, Boolean disqualifie) {
+        ChevalCourse cc = chevalCourseRepository.findById(chevalCourseId).orElseThrow();
+
+        cc.setEstDisqualifie(disqualifie);
+
+        chevalCourseRepository.save(cc);
+    }
+
+    @Transactional
+    public void removeChevalFromCourse(Long chevalCourseId) {
+        chevalCourseRepository.deleteById(chevalCourseId);
+    }
+
+    @Transactional(readOnly = true)
+    public List<Course> getCoursesByCourseStatue(CourseStatue courseStatue) {
+        return courseRepository.findByStatus(courseStatue);
+    }
+
+    @Transactional
+    public List<ChevalCourse> ajouterChevauxBulk(Long courseId, BulkChevalCourseRequest request) {
+        Course course = courseRepository.findById(courseId).orElseThrow();
+
+        List<BulkChevalCourseRequest.ChevalEntry> entries = request.entries();
+        if (entries == null || entries.isEmpty()) {
+            return Collections.emptyList();
+        }
+
+        // 1) vérifier doublons dans la requête (par numeroCheval)
+        Set<Integer> seenNum = new HashSet<>();
+        List<Integer> duplicateNums = entries.stream()
+                .map(BulkChevalCourseRequest.ChevalEntry::numeroCheval)
+                .filter(Objects::nonNull)
+                .filter(n -> !seenNum.add(n))
+                .distinct()
+                .collect(Collectors.toList());
+
+        if (!duplicateNums.isEmpty()) {
+            throw new IllegalArgumentException("Duplicate numeroCheval in request: " + duplicateNums);
+        }
+
+        // 2) vérifier si un numero est déjà utilisé dans la course
+        List<Integer> numsToCheck = entries.stream()
+                .map(BulkChevalCourseRequest.ChevalEntry::numeroCheval)
+                .filter(Objects::nonNull)
+                .collect(Collectors.toList());
+
+        List<Integer> conflicts = numsToCheck.stream()
+                .filter(n -> chevalCourseRepository.existsByCourseAndNumeroCheval(course, n))
+                .distinct()
+                .collect(Collectors.toList());
+
+        if (!conflicts.isEmpty()) {
+            throw new DataIntegrityViolationException("Numero(s) already used for course: " + conflicts);
+        }
+
+        // 3) Construire les entités ChevalCourse
+        List<ChevalCourse> toSave = new ArrayList<>(entries.size());
+        for (BulkChevalCourseRequest.ChevalEntry e : entries) {
+            Long chevalId = e.chevalId();
+            Integer numero = e.numeroCheval();
+
+            Cheval cheval = chevalRepository.findById(chevalId).orElseThrow();
+
+            ChevalCourse cc = new ChevalCourse();
+            cc.setCourse(course);
+            cc.setCheval(cheval);
+            cc.setNumeroCheval(numero);
+            // nonPartant et estDisqualifie restent par défaut false
+
+            toSave.add(cc);
+        }
+
+        // 4) saveAll (transactionnel)
+        try {
+            return chevalCourseRepository.saveAll(toSave);
+        } catch (DataIntegrityViolationException ex) {
+            throw new DataIntegrityViolationException(
+                    "Constraint violation while saving bulk inscriptions: " + ex.getMessage(), ex);
+        }
+    }
+}
--- a/src/main/java/com/pmumali/plr/services/PariService.java
+++ b/src/main/java/com/pmumali/plr/services/PariService.java
@@ -0,0 +1,65 @@
+package com.pmumali.plr.services;
+
+import java.math.BigDecimal;
+import java.util.List;
+
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import com.pmumali.plr.enums.PariType;
+import com.pmumali.plr.models.Cheval;
+import com.pmumali.plr.models.Course;
+import com.pmumali.plr.models.Pari;
+import com.pmumali.plr.repositories.ChevalCourseRepository;
+import com.pmumali.plr.repositories.ChevalRepository;
+import com.pmumali.plr.repositories.CourseRepository;
+import com.pmumali.plr.repositories.PariRepository;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+@Service
+@Data
+@AllArgsConstructor
+public class PariService {
+    private final PariRepository pariRepository;
+    private final CourseRepository courseRepository;
+    private final ChevalRepository chevalRepository;
+    private final ChevalCourseRepository chevalCourseRepository;
+
+    @Transactional
+    public Pari create(Long courseId, Long chevalId, PariType pariType, BigDecimal mise, String bettorRef) {
+        Cheval cheval = chevalRepository.findById(chevalId).orElseThrow();
+        Course course = courseRepository.findById(courseId).orElseThrow();
+
+        Pari p = new Pari();
+
+        p.setCheval(cheval);
+        p.setCourse(course);
+        p.setPariType(pariType);
+        p.setMise(mise);
+        p.setBettorRef(bettorRef);
+
+        return pariRepository.save(p);
+    }
+
+    public Pari get(Long id) {
+        return pariRepository.findById(id).orElseThrow();
+    }
+
+    public List<Pari> all() {
+        return pariRepository.findAll();
+    }
+
+    public List<Pari> getParisByPariType(PariType pariType) {
+        return pariRepository.findByPariType(pariType);
+    }
+
+    public List<Pari> getParisByCourseAndType(Long courseId, PariType pariType) {
+        return pariRepository.findByCourseIdAndPariType(courseId, pariType);
+    }
+
+    public java.math.BigDecimal sumMiseByCourseIdAndPariType(Long courseId, PariType pariType) {
+        return pariRepository.sumMiseByCourseIdAndPariType(courseId, pariType);
+    }
+}
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -0,0 +1,28 @@
+server:
+  port: 8080
+
+spring:
+  application:
+    name: plr
+  datasource:
+    url: jdbc:postgresql://localhost:5432/pmu
+    username: postgres
+    password:
+  jpa:
+    hibernate:
+      ddl-auto: update
+    properties:
+      hibernate:
+        jdbc:
+          time_zone: UTC
+    open-in-view: false
+  flyway:
+    enabled: false
+    locations: classpath:db/migration
+
+springdoc:
+  api-docs:
+    path: /v3/api-docs
+    enabled: true
+  swagger-ui:
+    path: /swagger-ui.html
--- a/src/test/java/com/pmumali/plr/PlrApplicationTests.java
+++ b/src/test/java/com/pmumali/plr/PlrApplicationTests.java
@@ -0,0 +1,13 @@
+package com.pmumali.plr;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class PlrApplicationTests {
+
+	@Test
+	void contextLoads() {
+	}
+
+}