diff --git a/.idea/.gitignore b/.idea/.gitignore new file mode 100644 index 00000000..ab1f4164 --- /dev/null +++ b/.idea/.gitignore @@ -0,0 +1,10 @@ +# Default ignored files +/shelf/ +/workspace.xml +# Ignored default folder with query files +/queries/ +# Datasource local storage ignored files +/dataSources/ +/dataSources.local.xml +# Editor-based HTTP Client requests +/httpRequests/ diff --git a/.idea/compiler.xml b/.idea/compiler.xml new file mode 100644 index 00000000..74138b7f --- /dev/null +++ b/.idea/compiler.xml @@ -0,0 +1,18 @@ + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/.idea/encodings.xml b/.idea/encodings.xml new file mode 100644 index 00000000..c6bb6e12 --- /dev/null +++ b/.idea/encodings.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/.idea/homework-java-ironlibrary.iml b/.idea/homework-java-ironlibrary.iml new file mode 100644 index 00000000..d6ebd480 --- /dev/null +++ b/.idea/homework-java-ironlibrary.iml @@ -0,0 +1,9 @@ + + + + + + + + + \ No newline at end of file diff --git a/.idea/jarRepositories.xml b/.idea/jarRepositories.xml new file mode 100644 index 00000000..712ab9d9 --- /dev/null +++ b/.idea/jarRepositories.xml @@ -0,0 +1,20 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/.idea/misc.xml b/.idea/misc.xml new file mode 100644 index 00000000..8b3a6732 --- /dev/null +++ b/.idea/misc.xml @@ -0,0 +1,14 @@ + + + + + + + + + + \ No newline at end of file diff --git a/.idea/modules.xml b/.idea/modules.xml new file mode 100644 index 00000000..821fdf28 --- /dev/null +++ b/.idea/modules.xml @@ -0,0 +1,8 @@ + + + + + + + + \ No newline at end of file diff --git a/.idea/vcs.xml b/.idea/vcs.xml new file mode 100644 index 00000000..35eb1ddf --- /dev/null +++ b/.idea/vcs.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/lab/.gitattributes b/lab/.gitattributes new file mode 100644 index 00000000..3b41682a --- /dev/null +++ b/lab/.gitattributes @@ -0,0 +1,2 @@ +/mvnw text eol=lf +*.cmd text eol=crlf diff --git a/lab/.gitignore b/lab/.gitignore new file mode 100644 index 00000000..667aaef0 --- /dev/null +++ b/lab/.gitignore @@ -0,0 +1,33 @@ +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/ diff --git a/lab/.mvn/wrapper/maven-wrapper.properties b/lab/.mvn/wrapper/maven-wrapper.properties new file mode 100644 index 00000000..c595b009 --- /dev/null +++ b/lab/.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/3.9.14/apache-maven-3.9.14-bin.zip diff --git a/lab/mvnw b/lab/mvnw new file mode 100644 index 00000000..bd8896bf --- /dev/null +++ b/lab/mvnw @@ -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${scriptName#mvnw}" _MVNW_REPO_PATTERN=/org/apache/maven/ ;; +esac + +# apply MVNW_REPOURL and calculate MAVEN_HOME +# maven home pattern: ~/.m2/wrapper/dists/{apache-maven-,maven-mvnd--}/ +[ -z "${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 "$@" diff --git a/lab/mvnw.cmd b/lab/mvnw.cmd new file mode 100644 index 00000000..92450f93 --- /dev/null +++ b/lab/mvnw.cmd @@ -0,0 +1,189 @@ +<# : batch portion +@REM ---------------------------------------------------------------------------- +@REM Licensed to the Apache Software Foundation (ASF) under one +@REM or more contributor license agreements. See the NOTICE file +@REM distributed with this work for additional information +@REM regarding copyright ownership. The ASF licenses this file +@REM to you under the Apache License, Version 2.0 (the +@REM "License"); you may not use this file except in compliance +@REM with the License. You may obtain a copy of the License at +@REM +@REM http://www.apache.org/licenses/LICENSE-2.0 +@REM +@REM Unless required by applicable law or agreed to in writing, +@REM software distributed under the License is distributed on an +@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +@REM KIND, either express or implied. See the License for the +@REM specific language governing permissions and limitations +@REM under the License. +@REM ---------------------------------------------------------------------------- + +@REM ---------------------------------------------------------------------------- +@REM Apache Maven Wrapper startup batch script, version 3.3.4 +@REM +@REM Optional ENV vars +@REM MVNW_REPOURL - repo url base for downloading maven distribution +@REM MVNW_USERNAME/MVNW_PASSWORD - user and password for downloading maven +@REM MVNW_VERBOSE - true: enable verbose log; others: silence the output +@REM ---------------------------------------------------------------------------- + +@IF "%__MVNW_ARG0_NAME__%"=="" (SET __MVNW_ARG0_NAME__=%~nx0) +@SET __MVNW_CMD__= +@SET __MVNW_ERROR__= +@SET __MVNW_PSMODULEP_SAVE=%PSModulePath% +@SET PSModulePath= +@FOR /F "usebackq tokens=1* delims==" %%A IN (`powershell -noprofile "& {$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 = $script -replace '^mvnw','mvn' + break + } +} + +# apply MVNW_REPOURL and calculate MAVEN_HOME +# maven home pattern: ~/.m2/wrapper/dists/{apache-maven-,maven-mvnd--}/ +if ($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" diff --git a/lab/pom.xml b/lab/pom.xml new file mode 100644 index 00000000..1745e4f2 --- /dev/null +++ b/lab/pom.xml @@ -0,0 +1,82 @@ + + + 4.0.0 + + org.springframework.boot + spring-boot-starter-parent + 4.0.5 + + + org.example + lab + 0.0.1-SNAPSHOT + lab + lab + + + + + + + + + + + + + + + 17 + + + + org.springframework.boot + spring-boot-starter-data-jpa + + + org.springframework.boot + spring-boot-starter-validation + + + org.springframework.boot + spring-boot-starter-webmvc + + + org.springframework.boot + spring-boot-starter-test + test + + + org.springframework.boot + spring-boot-devtools + runtime + true + + + org.springframework.boot + spring-boot-starter-data-jpa-test + test + + + org.springframework.boot + spring-boot-starter-validation-test + test + + + org.springframework.boot + spring-boot-starter-webmvc-test + test + + + + + + + org.springframework.boot + spring-boot-maven-plugin + + + + + diff --git a/lab/src/main/java/org/example/lab/Controller/BookController.java b/lab/src/main/java/org/example/lab/Controller/BookController.java new file mode 100644 index 00000000..d4dabe5c --- /dev/null +++ b/lab/src/main/java/org/example/lab/Controller/BookController.java @@ -0,0 +1,46 @@ +package org.example.lab.Controller; + +import org.example.lab.dto.request.AddBookRequest; +import org.example.lab.dto.response.BookResponse; +import org.example.lab.dto.response.BookWithAuthorResponse; +import org.example.lab.service.BookService; +import org.springframework.web.bind.annotation.*; + +import java.util.List; + +@RestController +@RequestMapping("/books") +public class BookController { + + private final BookService bookService; + + public BookController(BookService bookService) { + this.bookService = bookService; + } + + @PostMapping + public BookResponse addBook(@RequestBody AddBookRequest request) { + return bookService.addBook(request); + } + + @GetMapping("/title/{title}") + public BookResponse findBooksByTitle(@PathVariable String title){ + return bookService.findByTitle(title); + } + + @GetMapping("/category/{category}") + public List findBooksByCategory(@PathVariable String category) { + return bookService.findByCategory(category); + } + + @GetMapping("/author/{authorName}") + public BookResponse findBookByAuthorName(@PathVariable String authorName) { + return bookService.findBookByAuthor(authorName); + } + + @GetMapping("/with-authors") + public List getAllBooksWithAuthors() { + return bookService.getAllBooksWithAuthors(); + } + +} diff --git a/lab/src/main/java/org/example/lab/Controller/IssueController.java b/lab/src/main/java/org/example/lab/Controller/IssueController.java new file mode 100644 index 00000000..cdcf42fa --- /dev/null +++ b/lab/src/main/java/org/example/lab/Controller/IssueController.java @@ -0,0 +1,30 @@ +package org.example.lab.Controller; + +import org.example.lab.dto.request.IssueBookRequest; +import org.example.lab.dto.response.IssueResponse; +import org.example.lab.dto.response.StudentIssuedBookResponse; +import org.example.lab.service.IssueService; +import org.springframework.web.bind.annotation.*; + +import java.util.List; + +@RestController +@RequestMapping("/issues") +public class IssueController { + + private final IssueService issueService; + + public IssueController(IssueService issueService) { + this.issueService = issueService; + } + + @PostMapping + public IssueResponse issueBook(@RequestBody IssueBookRequest request) { + return issueService.issueBook(request); + } + + @GetMapping("/student/{usn}") + public List getBooksByUsn(@PathVariable String usn) { + return issueService.getBooksByUsn(usn); + } +} diff --git a/lab/src/main/java/org/example/lab/LabApplication.java b/lab/src/main/java/org/example/lab/LabApplication.java new file mode 100644 index 00000000..d4abeb36 --- /dev/null +++ b/lab/src/main/java/org/example/lab/LabApplication.java @@ -0,0 +1,13 @@ +package org.example.lab; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; + +@SpringBootApplication +public class LabApplication { + + public static void main(String[] args) { + SpringApplication.run(LabApplication.class, args); + } + +} diff --git a/lab/src/main/java/org/example/lab/dto/request/AddBookRequest.java b/lab/src/main/java/org/example/lab/dto/request/AddBookRequest.java new file mode 100644 index 00000000..399cb30d --- /dev/null +++ b/lab/src/main/java/org/example/lab/dto/request/AddBookRequest.java @@ -0,0 +1,73 @@ +package org.example.lab.dto.request; + + +public class AddBookRequest { + + + private String isbn; + private String title; + private String category; + private Integer quantity; + private String authorName; + private String authorEmail; + + public AddBookRequest() { + } + + public AddBookRequest(String isbn, String title, String category, Integer quantity, String authorName, String authorEmail) { + this.isbn = isbn; + this.title = title; + this.category = category; + this.quantity = quantity; + this.authorName = authorName; + this.authorEmail = authorEmail; + } + + public String getIsbn() { + return isbn; + } + + public void setIsbn(String isbn) { + this.isbn = isbn; + } + + public String getTitle() { + return title; + } + + public void setTitle(String title) { + this.title = title; + } + + public String getCategory() { + return category; + } + + public void setCategory(String category) { + this.category = category; + } + + public Integer getQuantity() { + return quantity; + } + + public void setQuantity(Integer quantity) { + this.quantity = quantity; + } + + public String getAuthorName() { + return authorName; + } + + public void setAuthorName(String authorName) { + this.authorName = authorName; + } + + public String getAuthorEmail() { + return authorEmail; + } + + public void setAuthorEmail(String authorEmail) { + this.authorEmail = authorEmail; + } +} diff --git a/lab/src/main/java/org/example/lab/dto/request/IssueBookRequest.java b/lab/src/main/java/org/example/lab/dto/request/IssueBookRequest.java new file mode 100644 index 00000000..6de0d7b8 --- /dev/null +++ b/lab/src/main/java/org/example/lab/dto/request/IssueBookRequest.java @@ -0,0 +1,40 @@ +package org.example.lab.dto.request; + +public class IssueBookRequest { + private String usn; + private String studentName; + private String isbn; + + public IssueBookRequest() { + } + + public IssueBookRequest(String usn, String studentName, String isbn) { + this.usn = usn; + this.studentName = studentName; + this.isbn = isbn; + } + + public String getUsn() { + return usn; + } + + public void setUsn(String usn) { + this.usn = usn; + } + + public String getStudentName() { + return studentName; + } + + public void setStudentName(String studentName) { + this.studentName = studentName; + } + + public String getIsbn() { + return isbn; + } + + public void setIsbn(String isbn) { + this.isbn = isbn; + } +} diff --git a/lab/src/main/java/org/example/lab/dto/response/BookResponse.java b/lab/src/main/java/org/example/lab/dto/response/BookResponse.java new file mode 100644 index 00000000..b1866ad9 --- /dev/null +++ b/lab/src/main/java/org/example/lab/dto/response/BookResponse.java @@ -0,0 +1,35 @@ +package org.example.lab.dto.response; + +public class BookResponse +{ + private String isbn; + private String title; + private String category; + private Integer quantity; + + public BookResponse() { + } + + public BookResponse(String isbn, String title, String category, Integer quantity) { + this.isbn = isbn; + this.title = title; + this.category = category; + this.quantity = quantity; + } + + public String getIsbn() { + return isbn; + } + + public String getTitle() { + return title; + } + + public String getCategory() { + return category; + } + + public Integer getQuantity() { + return quantity; + } +} diff --git a/lab/src/main/java/org/example/lab/dto/response/BookWithAuthorResponse.java b/lab/src/main/java/org/example/lab/dto/response/BookWithAuthorResponse.java new file mode 100644 index 00000000..ad52228b --- /dev/null +++ b/lab/src/main/java/org/example/lab/dto/response/BookWithAuthorResponse.java @@ -0,0 +1,47 @@ +package org.example.lab.dto.response; + +public class BookWithAuthorResponse { + private String isbn; + private String title; + private String category; + private Integer quantity; + private String authorName; + private String authorEmail; + + + public BookWithAuthorResponse() { + } + + public BookWithAuthorResponse(String isbn, String title, String category, Integer quantity, String authorName, String authorEmail) { + this.isbn = isbn; + this.title = title; + this.category = category; + this.quantity = quantity; + this.authorName = authorName; + this.authorEmail = authorEmail; + } + + public String getIsbn() { + return isbn; + } + + public String getTitle() { + return title; + } + + public String getCategory() { + return category; + } + + public Integer getQuantity() { + return quantity; + } + + public String getAuthorName() { + return authorName; + } + + public String getAuthorEmail() { + return authorEmail; + } +} diff --git a/lab/src/main/java/org/example/lab/dto/response/IssueResponse.java b/lab/src/main/java/org/example/lab/dto/response/IssueResponse.java new file mode 100644 index 00000000..12f5c2ec --- /dev/null +++ b/lab/src/main/java/org/example/lab/dto/response/IssueResponse.java @@ -0,0 +1,22 @@ +package org.example.lab.dto.response; + +public class IssueResponse { + private String message; + private String returnDate; + + public IssueResponse() { + } + + public IssueResponse(String message, String returnDate) { + this.message = message; + this.returnDate = returnDate; + } + + public String getMessage() { + return message; + } + + public String getReturnDate() { + return returnDate; + } +} diff --git a/lab/src/main/java/org/example/lab/dto/response/StudentIssuedBookResponse.java b/lab/src/main/java/org/example/lab/dto/response/StudentIssuedBookResponse.java new file mode 100644 index 00000000..b0d5fb51 --- /dev/null +++ b/lab/src/main/java/org/example/lab/dto/response/StudentIssuedBookResponse.java @@ -0,0 +1,29 @@ +package org.example.lab.dto.response; + +public class StudentIssuedBookResponse { + + private String bookTitle; + private String studentName; + private String returnDate; + + public StudentIssuedBookResponse() { + } + + public StudentIssuedBookResponse(String bookTitle, String studentName, String returnDate) { + this.bookTitle = bookTitle; + this.studentName = studentName; + this.returnDate = returnDate; + } + + public String getBookTitle() { + return bookTitle; + } + + public String getStudentName() { + return studentName; + } + + public String getReturnDate() { + return returnDate; + } +} diff --git a/lab/src/main/java/org/example/lab/mapper/BookMapper.java b/lab/src/main/java/org/example/lab/mapper/BookMapper.java new file mode 100644 index 00000000..a54753b3 --- /dev/null +++ b/lab/src/main/java/org/example/lab/mapper/BookMapper.java @@ -0,0 +1,39 @@ +package org.example.lab.mapper; + +import org.example.lab.dto.request.AddBookRequest; +import org.example.lab.dto.response.BookResponse; +import org.example.lab.dto.response.BookWithAuthorResponse; +import org.example.lab.model.Author; +import org.example.lab.model.Book; + +public class BookMapper { + + public static Book toBook(AddBookRequest request){ + return new Book( + request.getIsbn(), + request.getTitle(), + request.getCategory(), + request.getQuantity() + ); + } + public static BookResponse toBookResponse(Book book){ + return new BookResponse( + book.getIsbn(), + book.getTitle(), + book.getCategory(), + book.getQuantity() + ); + } + + public static BookWithAuthorResponse toBookWithAuthorResponse(Author author) { + Book book = author.getAuthorBook(); + return new BookWithAuthorResponse( + book.getIsbn(), + book.getTitle(), + book.getCategory(), + book.getQuantity(), + author.getName(), + author.getEmail() + ); + } +} diff --git a/lab/src/main/java/org/example/lab/mapper/IssueMapper.java b/lab/src/main/java/org/example/lab/mapper/IssueMapper.java new file mode 100644 index 00000000..fb6793ad --- /dev/null +++ b/lab/src/main/java/org/example/lab/mapper/IssueMapper.java @@ -0,0 +1,23 @@ +package org.example.lab.mapper; + +import org.example.lab.dto.response.IssueResponse; +import org.example.lab.dto.response.StudentIssuedBookResponse; +import org.example.lab.model.Issue; + +public class IssueMapper { + + public static IssueResponse toIssueResponse(Issue issue) { + return new IssueResponse( + "Book issued successfully", + issue.getReturnDate() + ); + } + + public static StudentIssuedBookResponse toStudentIssuedBookResponse(Issue issue) { + return new StudentIssuedBookResponse( + issue.getIssueBook().getTitle(), + issue.getIssueStudent().getName(), + issue.getReturnDate() + ); + } +} diff --git a/lab/src/main/java/org/example/lab/model/Author.java b/lab/src/main/java/org/example/lab/model/Author.java new file mode 100644 index 00000000..583b841e --- /dev/null +++ b/lab/src/main/java/org/example/lab/model/Author.java @@ -0,0 +1,59 @@ +package org.example.lab.model; + +import jakarta.persistence.*; + +@Entity +public class Author { + + @Id + @GeneratedValue(strategy = GenerationType.IDENTITY) + private Integer authorId; + + private String name; + private String email; + + @OneToOne(cascade = CascadeType.ALL) + @JoinColumn(name = "book_isbn") + private Book authorBook; + + public Author() { + } + + public Author(String name, String email, Book authorBook) { + this.name = name; + this.email = email; + this.authorBook = authorBook; + } + + public Integer getAuthorId() { + return authorId; + } + + public void setAuthorId(Integer authorId) { + this.authorId = authorId; + } + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + + public String getEmail() { + return email; + } + + public void setEmail(String email) { + this.email = email; + } + + public Book getAuthorBook() { + return authorBook; + } + + public void setAuthorBook(Book authorBook) { + this.authorBook = authorBook; + } +} diff --git a/lab/src/main/java/org/example/lab/model/Book.java b/lab/src/main/java/org/example/lab/model/Book.java new file mode 100644 index 00000000..095dfd95 --- /dev/null +++ b/lab/src/main/java/org/example/lab/model/Book.java @@ -0,0 +1,60 @@ +package org.example.lab.model; + +import jakarta.persistence.CascadeType; +import jakarta.persistence.Entity; +import jakarta.persistence.Id; +import jakarta.persistence.OneToOne; + +@Entity +public class Book { + + @Id + private String isbn; + private String title; + private String category; + private Integer quantity; + + + public Book() { + } + + public Book(String isbn, String title, String category, int quantity) { + this.isbn = isbn; + this.title = title; + this.category = category; + this.quantity = quantity; + } + + public String getIsbn() { + return isbn; + } + + public void setIsbn(String isbn) { + this.isbn = isbn; + } + + public String getTitle() { + return title; + } + + public void setTitle(String title) { + this.title = title; + } + + public String getCategory() { + return category; + } + + public void setCategory(String category) { + this.category = category; + } + + public Integer getQuantity() { + return quantity; + } + + public void setQuantity(Integer quantity) { + this.quantity = quantity; + } + +} diff --git a/lab/src/main/java/org/example/lab/model/Issue.java b/lab/src/main/java/org/example/lab/model/Issue.java new file mode 100644 index 00000000..49d725fb --- /dev/null +++ b/lab/src/main/java/org/example/lab/model/Issue.java @@ -0,0 +1,72 @@ +package org.example.lab.model; + +import jakarta.persistence.*; + +@Entity +public class Issue { + @Id + @GeneratedValue(strategy = GenerationType.IDENTITY) + private Integer issueId; + + private String issueDate; + private String returnDate; + + @OneToOne(cascade = CascadeType.ALL) + @JoinColumn(name = "book_isbn") + private Book issueBook; + + @OneToOne + @JoinColumn(name = "student_usn") + private Student issueStudent; + + public Issue() { + } + + public Issue(String issueDate, String returnDate, Book issueBook, Student issueStudent, Integer issueId) { + this.issueDate = issueDate; + this.returnDate = returnDate; + this.issueBook = issueBook; + this.issueStudent = issueStudent; + this.issueId = issueId; + } + + public Integer getIssueId() { + return issueId; + } + + public void setIssueId(Integer issueId) { + this.issueId = issueId; + } + + public String getIssueDate() { + return issueDate; + } + + public void setIssueDate(String issueDate) { + this.issueDate = issueDate; + } + + public String getReturnDate() { + return returnDate; + } + + public void setReturnDate(String returnDate) { + this.returnDate = returnDate; + } + + public Book getIssueBook() { + return issueBook; + } + + public void setIssueBook(Book issueBook) { + this.issueBook = issueBook; + } + + public Student getIssueStudent() { + return issueStudent; + } + + public void setIssueStudent(Student issueStudent) { + this.issueStudent = issueStudent; + } +} diff --git a/lab/src/main/java/org/example/lab/model/Student.java b/lab/src/main/java/org/example/lab/model/Student.java new file mode 100644 index 00000000..1324397d --- /dev/null +++ b/lab/src/main/java/org/example/lab/model/Student.java @@ -0,0 +1,33 @@ +package org.example.lab.model; + +import jakarta.persistence.Entity; +import jakarta.persistence.Id; + +@Entity +public class Student { + @Id + private String usn; + + private String name; + + public Student() { + } + + + + public String getUsn() { + return usn; + } + + public void setUsn(String usn) { + this.usn = usn; + } + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } +} diff --git a/lab/src/main/java/org/example/lab/repository/AuthorRepository.java b/lab/src/main/java/org/example/lab/repository/AuthorRepository.java new file mode 100644 index 00000000..11e76224 --- /dev/null +++ b/lab/src/main/java/org/example/lab/repository/AuthorRepository.java @@ -0,0 +1,11 @@ +package org.example.lab.repository; + +import org.example.lab.model.Author; +import org.springframework.data.jpa.repository.JpaRepository; + +import java.util.List; + +public interface AuthorRepository extends JpaRepository { + Author findByName(String name); + +} diff --git a/lab/src/main/java/org/example/lab/repository/BookRepository.java b/lab/src/main/java/org/example/lab/repository/BookRepository.java new file mode 100644 index 00000000..99fd4216 --- /dev/null +++ b/lab/src/main/java/org/example/lab/repository/BookRepository.java @@ -0,0 +1,13 @@ +package org.example.lab.repository; + +import org.example.lab.model.Book; +import org.springframework.data.jpa.repository.JpaRepository; + +import java.util.List; +import java.util.Optional; + +public interface BookRepository extends JpaRepository { + Optional findByTitle(String title); + + List findByCategory(String category); +} diff --git a/lab/src/main/java/org/example/lab/repository/IssueRepository.java b/lab/src/main/java/org/example/lab/repository/IssueRepository.java new file mode 100644 index 00000000..092c6516 --- /dev/null +++ b/lab/src/main/java/org/example/lab/repository/IssueRepository.java @@ -0,0 +1,10 @@ +package org.example.lab.repository; + +import org.example.lab.model.Issue; +import org.springframework.data.jpa.repository.JpaRepository; + +import java.util.List; + +public interface IssueRepository extends JpaRepository { + List findByIssueStudentUsn(String usn); +} diff --git a/lab/src/main/java/org/example/lab/repository/StudentRepository.java b/lab/src/main/java/org/example/lab/repository/StudentRepository.java new file mode 100644 index 00000000..16a33171 --- /dev/null +++ b/lab/src/main/java/org/example/lab/repository/StudentRepository.java @@ -0,0 +1,12 @@ +package org.example.lab.repository; + +import org.example.lab.model.Student; +import org.springframework.data.jpa.repository.JpaRepository; + +import java.util.List; +import java.util.Optional; + + +public interface StudentRepository extends JpaRepository { + Optional findByUsn(String usn); +} diff --git a/lab/src/main/java/org/example/lab/service/BookService.java b/lab/src/main/java/org/example/lab/service/BookService.java new file mode 100644 index 00000000..6fcfd98c --- /dev/null +++ b/lab/src/main/java/org/example/lab/service/BookService.java @@ -0,0 +1,83 @@ +package org.example.lab.service; + +import org.example.lab.dto.request.AddBookRequest; +import org.example.lab.dto.response.BookResponse; +import org.example.lab.dto.response.BookWithAuthorResponse; +import org.example.lab.mapper.BookMapper; +import org.example.lab.model.Author; +import org.example.lab.model.Book; +import org.example.lab.repository.AuthorRepository; +import org.example.lab.repository.BookRepository; +import org.springframework.stereotype.Service; + +import java.util.ArrayList; +import java.util.List; + + +@Service +public class BookService { + + private final BookRepository bookRepository; + private final AuthorRepository authorRepository; + + + public BookService(BookRepository bookRepository, AuthorRepository authorRepository) { + this.bookRepository = bookRepository; + this.authorRepository = authorRepository; + } + + public BookResponse addBook(AddBookRequest request){ + Book book = BookMapper.toBook(request); + Author author = new Author(); + author.setName(request.getAuthorName()); + author.setEmail(request.getAuthorEmail()); + author.setAuthorBook(book); + + bookRepository.save(book); + authorRepository.save(author); + + return BookMapper.toBookResponse(book); + + } + + public BookResponse findByTitle(String title){ + Book book = bookRepository.findByTitle(title) + .orElseThrow(() -> new RuntimeException("Book not found")); + return BookMapper.toBookResponse(book); + } + + public List findByCategory(String category){ + List books = bookRepository.findByCategory(category); + List responses = new ArrayList<>(); + for (Book book : books) { + responses.add(BookMapper.toBookResponse(book)); + } + + return responses; + } + + public BookResponse findBookByAuthor(String name){ + Author author= authorRepository.findByName(name); + Book book = author.getAuthorBook(); + if (book == null) { + throw new RuntimeException("Book not found for this author"); + } + return BookMapper.toBookResponse(book); + } + + public List getAllBooksWithAuthors(){ + List authors = authorRepository.findAll(); + List responses = new ArrayList<>(); + + for (Author author : authors){ + if (author.getAuthorBook() != null){ + BookWithAuthorResponse dto = BookMapper.toBookWithAuthorResponse(author); + responses.add(dto); + } + } + return responses; + + } + + +} diff --git a/lab/src/main/java/org/example/lab/service/IssueService.java b/lab/src/main/java/org/example/lab/service/IssueService.java new file mode 100644 index 00000000..880bd07e --- /dev/null +++ b/lab/src/main/java/org/example/lab/service/IssueService.java @@ -0,0 +1,77 @@ +package org.example.lab.service; + +import org.example.lab.dto.request.IssueBookRequest; +import org.example.lab.dto.response.IssueResponse; +import org.example.lab.dto.response.StudentIssuedBookResponse; +import org.example.lab.mapper.BookMapper; +import org.example.lab.mapper.IssueMapper; +import org.example.lab.model.Book; +import org.example.lab.model.Issue; +import org.example.lab.model.Student; +import org.example.lab.repository.BookRepository; +import org.example.lab.repository.IssueRepository; +import org.example.lab.repository.StudentRepository; +import org.springframework.stereotype.Service; + +import java.time.LocalDate; +import java.util.ArrayList; +import java.util.List; + +@Service +public class IssueService { + private final IssueRepository issueRepository; + private final StudentRepository studentRepository; + private final BookRepository bookRepository; + + + public IssueService(IssueRepository issueRepository, StudentRepository studentRepository, BookRepository bookRepository) { + this.issueRepository = issueRepository; + this.studentRepository = studentRepository; + this.bookRepository = bookRepository; + } + + + + public IssueResponse issueBook(IssueBookRequest request){ + Book book = bookRepository.findById(request.getIsbn()) + .orElseThrow(() -> new RuntimeException("Book not found")); + Student student = studentRepository.findByUsn(request.getUsn()).orElseGet(() -> { + Student student1 = new Student(); + student1.setUsn(request.getUsn()); + student1.setName(request.getStudentName()); + return studentRepository.save(student1); + }); + if (book.getQuantity() <= 0) { + throw new RuntimeException("Book is out of stock"); + } + Issue issue = new Issue(); + issue.setIssueStudent(student); + issue.setIssueBook(book); + + LocalDate issueDate = LocalDate.now(); + LocalDate returnDate = issueDate.plusDays(7); + + issue.setIssueDate(issueDate.toString()); + issue.setReturnDate(returnDate.toString()); + + issueRepository.save(issue); + + book.setQuantity(book.getQuantity() - 1); + bookRepository.save(book); + + return IssueMapper.toIssueResponse(issue); + } + + + public List getBooksByUsn(String usn) { + List issues = issueRepository.findByIssueStudentUsn(usn); + + List responses = new ArrayList<>(); + + for (Issue issue : issues) { + responses.add(IssueMapper.toStudentIssuedBookResponse(issue)); + } + + return responses; + } +} diff --git a/lab/src/main/resources/application.properties b/lab/src/main/resources/application.properties new file mode 100644 index 00000000..ae496579 --- /dev/null +++ b/lab/src/main/resources/application.properties @@ -0,0 +1,10 @@ +spring.application.name=lab +spring.datasource.url=jdbc:mysql://localhost:3306/library_db +spring.datasource.username=root +spring.datasource.password=PASSWORD + +spring.jpa.hibernate.ddl-auto=update +spring.jpa.show-sql=true +spring.jpa.properties.hibernate.format_sql=true + +spring.jpa.database-platform=org.hibernate.dialect.MySQLDialect \ No newline at end of file diff --git a/lab/src/test/java/org/example/lab/LabApplicationTests.java b/lab/src/test/java/org/example/lab/LabApplicationTests.java new file mode 100644 index 00000000..e92054d4 --- /dev/null +++ b/lab/src/test/java/org/example/lab/LabApplicationTests.java @@ -0,0 +1,13 @@ +package org.example.lab; + +import org.junit.jupiter.api.Test; +import org.springframework.boot.test.context.SpringBootTest; + +@SpringBootTest +class LabApplicationTests { + + @Test + void contextLoads() { + } + +}