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..fcf95396
--- /dev/null
+++ b/.idea/compiler.xml
@@ -0,0 +1,22 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/encodings.xml b/.idea/encodings.xml
new file mode 100644
index 00000000..1b7e9cc4
--- /dev/null
+++ b/.idea/encodings.xml
@@ -0,0 +1,7 @@
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/homework-java-ironschool.iml b/.idea/homework-java-ironschool.iml
new file mode 100644
index 00000000..6ca28ba7
--- /dev/null
+++ b/.idea/homework-java-ironschool.iml
@@ -0,0 +1,11 @@
+
+
+
+
+
+
+
+
+
+
+
\ 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..e7233282
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,23 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 00000000..7d988043
--- /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..83067447
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,7 @@
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 00000000..c5f3f6b9
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+ "java.configuration.updateBuildConfiguration": "interactive"
+}
\ No newline at end of file
diff --git a/ironschool/.gitattributes b/ironschool/.gitattributes
new file mode 100644
index 00000000..3b41682a
--- /dev/null
+++ b/ironschool/.gitattributes
@@ -0,0 +1,2 @@
+/mvnw text eol=lf
+*.cmd text eol=crlf
diff --git a/ironschool/.gitignore b/ironschool/.gitignore
new file mode 100644
index 00000000..667aaef0
--- /dev/null
+++ b/ironschool/.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/ironschool/.mvn/wrapper/maven-wrapper.properties b/ironschool/.mvn/wrapper/maven-wrapper.properties
new file mode 100644
index 00000000..8dea6c22
--- /dev/null
+++ b/ironschool/.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/3.9.12/apache-maven-3.9.12-bin.zip
diff --git a/ironschool/log.txt b/ironschool/log.txt
new file mode 100644
index 00000000..ca37cb07
--- /dev/null
+++ b/ironschool/log.txt
@@ -0,0 +1,26 @@
+2026-03-10T00:59:26.539028 ---> new student registered
+2026-03-10T00:59:26.546917400 ---> list of students showed
+2026-03-10T01:00:44.494041300 ---> new student registered
+2026-03-10T01:00:44.497051200 ---> list of students showed
+2026-03-10T01:04:16.889230900 ---> new student registered
+2026-03-10T01:04:16.891273 ---> list of students showed
+2026-03-10T01:06:38.246073300 ---> Student named Leyla enrolled to az.ironschool.ironschool.entities.Course@31edaa7d course
+2026-03-10T01:06:38.248271700 ---> student named Leyla looked up
+2026-03-10T01:06:42.887239700 ---> Student named Ali enrolled to az.ironschool.ironschool.entities.Course@31edaa7d course
+2026-03-10T01:06:48.804679200 ---> list of students showed
+2026-03-10T01:06:52.727763100 ---> list of students showed
+2026-03-10T01:06:57.450444800 ---> student named Ali looked up
+2026-03-10T01:07:02.108471 ---> student named Leyla looked up
+2026-03-10T01:07:06.689399600 ---> returned list of students who have Java course
+2026-03-10T01:09:07.287565800 ---> list of teachers returned
+2026-03-10T01:09:11.200922900 ---> list of teachers returned
+2026-03-10T01:09:15.600185 ---> teacher named T1 looked up
+2026-03-10T01:12:53.555568100 ---> teacher named John looked up
+2026-03-10T01:12:57.205865700 ---> teacher named John looked up
+2026-03-10T01:13:01.143146900 ---> teacher named John looked up
+2026-03-10T01:27:55.724181800 ---> course Spring deleted
+2026-03-10T01:27:55.765465 ---> course name Spring looked up
+2026-03-10T01:27:55.779967100 ---> school's profit is: -3300.0
+2026-03-10T01:27:55.786517900 ---> Teacher John assingned to 1fcf23c4-d7a8-40b9-a745-bfec4c80be06 course
+2026-03-10T01:27:55.791514 ---> courses showed
+2026-03-10T01:27:55.803713 ---> course Java's profit is: 200.0
diff --git a/ironschool/mvnw b/ironschool/mvnw
new file mode 100644
index 00000000..bd8896bf
--- /dev/null
+++ b/ironschool/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 "$@"
diff --git a/ironschool/mvnw.cmd b/ironschool/mvnw.cmd
new file mode 100644
index 00000000..92450f93
--- /dev/null
+++ b/ironschool/mvnw.cmd
@@ -0,0 +1,189 @@
+<# : batch portion
+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements. See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership. The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License. You may obtain a copy of the License at
+@REM
+@REM http://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied. See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Apache Maven Wrapper startup batch script, version 3.3.4
+@REM
+@REM Optional ENV vars
+@REM MVNW_REPOURL - repo url base for downloading maven distribution
+@REM MVNW_USERNAME/MVNW_PASSWORD - user and password for downloading maven
+@REM MVNW_VERBOSE - true: enable verbose log; others: silence the output
+@REM ----------------------------------------------------------------------------
+
+@IF "%__MVNW_ARG0_NAME__%"=="" (SET __MVNW_ARG0_NAME__=%~nx0)
+@SET __MVNW_CMD__=
+@SET __MVNW_ERROR__=
+@SET __MVNW_PSMODULEP_SAVE=%PSModulePath%
+@SET PSModulePath=
+@FOR /F "usebackq tokens=1* delims==" %%A IN (`powershell -noprofile "& {$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/ironschool/pom.xml b/ironschool/pom.xml
new file mode 100644
index 00000000..dfe62a8d
--- /dev/null
+++ b/ironschool/pom.xml
@@ -0,0 +1,74 @@
+
+
+ 4.0.0
+
+ org.springframework.boot
+ spring-boot-starter-parent
+ 4.0.3
+
+
+ az.ironschool
+ ironschool
+ 0.0.1-SNAPSHOT
+ ironschool
+ Demo project for Spring Boot
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ 17
+
+
+
+
+ org.springframework.boot
+ spring-boot-starter-webmvc
+
+
+
+ org.springframework.boot
+ spring-boot-devtools
+ runtime
+ true
+
+
+
+ org.junit.jupiter
+ junit-jupiter
+ 5.10.2
+ test
+
+
+
+ org.springframework.boot
+ spring-boot-starter-webmvc-test
+ test
+
+
+ org.springframework.boot
+ spring-boot-starter-validation
+
+
+
+
+
+
+
+ org.springframework.boot
+ spring-boot-maven-plugin
+
+
+
+
+
diff --git a/ironschool/src/main/java/az/ironschool/ironschool/IronschoolApplication.java b/ironschool/src/main/java/az/ironschool/ironschool/IronschoolApplication.java
new file mode 100644
index 00000000..de689381
--- /dev/null
+++ b/ironschool/src/main/java/az/ironschool/ironschool/IronschoolApplication.java
@@ -0,0 +1,14 @@
+package az.ironschool.ironschool;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class IronschoolApplication {
+
+ public static void main(String[] args) {
+ SpringApplication.run(IronschoolApplication.class, args);
+
+ }
+
+}
diff --git a/ironschool/src/main/java/az/ironschool/ironschool/controllers/CourseController.java b/ironschool/src/main/java/az/ironschool/ironschool/controllers/CourseController.java
new file mode 100644
index 00000000..121118aa
--- /dev/null
+++ b/ironschool/src/main/java/az/ironschool/ironschool/controllers/CourseController.java
@@ -0,0 +1,63 @@
+package az.ironschool.ironschool.controllers;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+import az.ironschool.ironschool.entities.Course;
+import az.ironschool.ironschool.entities.Teacher;
+import az.ironschool.ironschool.services.CourseService;
+import az.ironschool.ironschool.utils.Logging;
+
+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.DeleteMapping;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+
+
+@RestController
+@RequestMapping("/courses")
+public class CourseController {
+
+ private static CourseService courseService;
+
+ @PutMapping("/assign")
+ public void assign(@RequestParam String teacherId, @RequestParam String courseId){
+ courseService.assign(teacherId, courseId);
+
+ }
+
+
+ @GetMapping("/get-all")
+ public List showCourses(){
+ return courseService.showCourses();
+ }
+
+
+
+ @GetMapping("/lookup/{id}")
+ public Course lookupCourse(@PathVariable String courseId){
+ return courseService.lookupCourse(courseId);
+ }
+
+ @GetMapping("/show-total-profit")
+ public double showSchoolProfit(){
+ return courseService.showSchoolProfit();
+ }
+
+ @GetMapping("/profit")
+ public double courseProfit(@RequestParam String courseId) {
+ return courseService.courseProfit(courseId);
+ }
+
+ @DeleteMapping("/delete-course")
+ public void deleteCourse(@RequestParam String id){
+ courseService.deleteCourse(id);
+ }
+
+
+}
diff --git a/ironschool/src/main/java/az/ironschool/ironschool/controllers/CreateSchool.java b/ironschool/src/main/java/az/ironschool/ironschool/controllers/CreateSchool.java
new file mode 100644
index 00000000..6dce7e8b
--- /dev/null
+++ b/ironschool/src/main/java/az/ironschool/ironschool/controllers/CreateSchool.java
@@ -0,0 +1,62 @@
+package az.ironschool.ironschool.controllers;
+
+import az.ironschool.ironschool.services.TeacherService;
+import az.ironschool.ironschool.entities.Teacher;
+import java.util.Scanner;
+
+public class CreateSchool {
+ private static Scanner sc = new Scanner(System.in);
+ private static TeacherService teacherService;
+
+ public CreateSchool(TeacherService teacherService) {
+ this.teacherService = teacherService;
+ }
+
+ public static void createSchool() {
+ try {
+ System.out.println("Please enter a name for your school: ");
+ String schoolName = sc.nextLine();
+
+ } catch (RuntimeException e) {
+ System.out.println("Error: ");
+ }
+
+ try {
+ System.out.println("Enter how many teachers you want to have in your school: ");
+ int teacherCount = sc.nextInt();
+ sc.nextLine();
+
+ for (int i = 1; i < teacherCount + 1; i++) {
+ Teacher teacher = new Teacher();
+ System.out.println("Enter the name of the teacher number " + i + " : ");
+ String teacherName = sc.nextLine();
+ teacher.setName(teacherName);
+
+ while (true) {
+ try {
+ System.out.println("Enter the teacher " + teacherName + "'s salary: ");
+ double teacherSalary = sc.nextDouble();
+ teacher.setSalary(teacherSalary);
+ sc.nextLine();
+ break;
+ } catch (RuntimeException e) {
+ System.err.println("Error: wrong input type.Please enter a number that is valid");
+ sc.nextLine();
+ }
+ }
+ if (teacherService != null) {
+ teacherService.getTeachers().put(teacher.getTeacherId(), teacher);
+ }
+
+ System.out.println("Enter the subject teacher ' " + teacherName + "' teachs: ");
+ String teacherSubject = sc.nextLine();
+ //sc.nextLine();
+ teacher.setSubject(teacherSubject);
+ }
+ System.out.println(" HashMap has created for teachers ");
+ }catch (RuntimeException e){
+ System.err.println("Error: Please enter a number.");
+ sc.nextLine();
+ }
+ }
+}
diff --git a/ironschool/src/main/java/az/ironschool/ironschool/controllers/StudentController.java b/ironschool/src/main/java/az/ironschool/ironschool/controllers/StudentController.java
new file mode 100644
index 00000000..cda53d0a
--- /dev/null
+++ b/ironschool/src/main/java/az/ironschool/ironschool/controllers/StudentController.java
@@ -0,0 +1,60 @@
+package az.ironschool.ironschool.controllers;
+
+import java.util.List;
+
+import org.springframework.web.bind.annotation.RestController;
+
+import az.ironschool.ironschool.dtos.NewStudentDTO;
+import az.ironschool.ironschool.entities.Student;
+import az.ironschool.ironschool.services.StudentService;
+import jakarta.validation.Valid;
+
+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;
+
+
+@RestController
+@RequestMapping("/students")
+public class StudentController {
+
+ private static StudentService studentService;
+
+ @PostMapping("/register-new")
+ public void newStudent(@Valid @RequestBody NewStudentDTO newStudent){
+
+ studentService.registerNewStudent(newStudent);
+
+ }
+
+
+ @PutMapping("/enroll")
+ public void enroll(@RequestParam String studentId, @RequestParam String courseId) {
+ studentService.enroll(studentId, courseId);
+
+
+ }
+
+
+ @GetMapping("/show-all")
+ public List showAll(){
+ return studentService.showStudents();
+ }
+
+ @GetMapping("/lookup-student/{id}")
+ public Student lookupStudent(@PathVariable String studentId){
+ return studentService.lookupStudent(studentId);
+ }
+
+
+ @GetMapping("/get-by-course")
+ public List getByCourse(@RequestParam String courseId){
+ return studentService.getByCourse(courseId);
+ }
+
+
+}
diff --git a/ironschool/src/main/java/az/ironschool/ironschool/controllers/TeacherController.java b/ironschool/src/main/java/az/ironschool/ironschool/controllers/TeacherController.java
new file mode 100644
index 00000000..c0265f20
--- /dev/null
+++ b/ironschool/src/main/java/az/ironschool/ironschool/controllers/TeacherController.java
@@ -0,0 +1,42 @@
+package az.ironschool.ironschool.controllers;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PatchMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+import az.ironschool.ironschool.entities.Teacher;
+import az.ironschool.ironschool.services.TeacherService;
+
+@RestController
+@RequestMapping("/teachers")
+public class TeacherController {
+ private static TeacherService service;
+
+
+
+ @GetMapping("/all-teachers")
+ public List showTeachers(){
+ return service.showTeachers();
+ }
+
+
+ @GetMapping("/teacher/{id}")
+ public Teacher lookupTeacher(@PathVariable String teacherId){
+
+ return service.lookupTeacher(teacherId);
+
+ }
+
+ @PatchMapping("/change-salary")
+ public void changeSalary(@RequestParam String id, @RequestParam double newSalary){
+ service.changeSalary(id, newSalary);
+ }
+
+}
diff --git a/ironschool/src/main/java/az/ironschool/ironschool/dtos/NewStudentDTO.java b/ironschool/src/main/java/az/ironschool/ironschool/dtos/NewStudentDTO.java
new file mode 100644
index 00000000..fb692785
--- /dev/null
+++ b/ironschool/src/main/java/az/ironschool/ironschool/dtos/NewStudentDTO.java
@@ -0,0 +1,30 @@
+package az.ironschool.ironschool.dtos;
+
+public class NewStudentDTO {
+
+ //name, address, email,
+
+ private String name;
+ private String address;
+ private String email;
+
+
+
+ public NewStudentDTO(String name, String address, String email) {
+ this.name = name;
+ this.address = address;
+ this.email = email;
+ }
+ public String getName() {
+ return name;
+ }
+ public String getAddress() {
+ return address;
+ }
+ public String getEmail() {
+ return email;
+ }
+
+
+
+}
diff --git a/ironschool/src/main/java/az/ironschool/ironschool/entities/Course.java b/ironschool/src/main/java/az/ironschool/ironschool/entities/Course.java
new file mode 100644
index 00000000..b86f0124
--- /dev/null
+++ b/ironschool/src/main/java/az/ironschool/ironschool/entities/Course.java
@@ -0,0 +1,81 @@
+package az.ironschool.ironschool.entities;
+
+import java.util.UUID;
+
+import jakarta.validation.constraints.NotBlank;
+
+public class Course {
+
+ private String courseId;
+
+ @NotBlank(message = "name bos ola bilmez")
+ private String name;
+
+ @NotBlank(message = "price bos ola bilmez")
+ private double price;
+
+ private double moneyEarned;
+ private Teacher teacher;
+ private int sold;
+
+ public Course(String name, double price) {
+ this.courseId = UUID.randomUUID().toString();
+ this.name = name;
+ this.price = price;
+ }
+ public Course () {
+ this.courseId = UUID.randomUUID().toString();
+ }
+
+ public String getCourseId() {
+ return courseId;
+ }
+
+
+
+ //getters and setters
+
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ public double getPrice() {
+ return price;
+ }
+
+ public void setPrice(double price) {
+ this.price = price;
+ }
+
+ public double getMoneyEarned() {
+ return moneyEarned;
+ }
+
+ public void setMoneyEarned(double moneyEarned) {
+ this.moneyEarned = moneyEarned;
+ }
+
+ public Teacher getTeacher() {
+ return teacher;
+ }
+
+ public void setTeacher(Teacher teacher) {
+ this.teacher = teacher;
+ }
+ public int getSold() {
+ return sold;
+ }
+ public void setSold(int sold) {
+ this.sold = sold;
+ }
+
+
+
+
+
+
+}
diff --git a/ironschool/src/main/java/az/ironschool/ironschool/entities/Student.java b/ironschool/src/main/java/az/ironschool/ironschool/entities/Student.java
new file mode 100644
index 00000000..fdcddd2d
--- /dev/null
+++ b/ironschool/src/main/java/az/ironschool/ironschool/entities/Student.java
@@ -0,0 +1,73 @@
+package az.ironschool.ironschool.entities;
+
+import java.util.UUID;
+
+import jakarta.validation.constraints.NotBlank;
+
+public class Student {
+
+
+ private String studentId;
+
+ @NotBlank(message = "name bos ola bilmez")
+ private String name;
+
+ @NotBlank(message = "address bos ola bilmez")
+ private String address;
+
+ @NotBlank(message = "email bos ola bilmez")
+ private String email;
+
+ private Course course;
+
+ public Student(String name, String address, String email) {
+ this.studentId = UUID.randomUUID().toString();
+ this.name = name;
+ this.address = address;
+ this.email = email;
+ }
+ public Student () {
+ this.studentId = UUID.randomUUID().toString();
+ }
+
+ public String getStudentId() {
+ return studentId;
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ public String getAddress() {
+ return address;
+ }
+
+ public void setAddress(String address) {
+ this.address = address;
+ }
+
+ public String getEmail() {
+ return email;
+ }
+
+ public void setEmail(String email) {
+ this.email = email;
+ }
+
+ public Course getCourse() {
+ return course;
+ }
+
+ public void setCourse(Course course) {
+ this.course = course;
+ }
+
+
+
+
+
+}
diff --git a/ironschool/src/main/java/az/ironschool/ironschool/entities/Teacher.java b/ironschool/src/main/java/az/ironschool/ironschool/entities/Teacher.java
new file mode 100644
index 00000000..9c4cac01
--- /dev/null
+++ b/ironschool/src/main/java/az/ironschool/ironschool/entities/Teacher.java
@@ -0,0 +1,84 @@
+package az.ironschool.ironschool.entities;
+
+import java.util.UUID;
+
+import jakarta.validation.constraints.NotBlank;
+
+public class Teacher {
+
+ private String teacherId;
+
+ @NotBlank
+ private String name;
+
+ @NotBlank
+ private double salary;
+
+ @NotBlank
+ private String subject;
+
+ public Teacher(String name, double salary) {
+ this.teacherId = UUID.randomUUID().toString();
+ this.name = name;
+ this.salary = salary;
+ }
+
+
+
+ public Teacher(String name, String subject, double salary) {
+ this.teacherId = UUID.randomUUID().toString();
+ this.name = name;
+ this.salary = salary;
+ this.subject = subject;
+ }
+
+
+
+ //ONLY THIS CONTRUCTOR
+ public Teacher () {
+ this.teacherId = UUID.randomUUID().toString();
+ }
+
+
+
+ public String getTeacherId() {
+ return teacherId;
+ }
+
+
+
+ public String getName() {
+ return name;
+ }
+
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+
+ public double getSalary() {
+ return salary;
+ }
+
+
+ public void setSalary(double salary) {
+ this.salary = salary;
+ }
+
+
+ public String getSubject() {
+ return subject;
+ }
+
+
+ public void setSubject(String subject) {
+ this.subject = subject;
+ }
+
+
+
+
+
+
+}
diff --git a/ironschool/src/main/java/az/ironschool/ironschool/services/CourseService.java b/ironschool/src/main/java/az/ironschool/ironschool/services/CourseService.java
new file mode 100644
index 00000000..3430fb13
--- /dev/null
+++ b/ironschool/src/main/java/az/ironschool/ironschool/services/CourseService.java
@@ -0,0 +1,104 @@
+package az.ironschool.ironschool.services;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+import az.ironschool.ironschool.entities.Course;
+import az.ironschool.ironschool.entities.Teacher;
+import az.ironschool.ironschool.utils.Logging;
+
+public class CourseService {
+
+ private Map courses;
+
+ private TeacherService teacherService;
+
+
+
+
+ public CourseService(TeacherService teacherService) {
+ this.teacherService = teacherService;
+ }
+
+
+
+ public CourseService() {
+ }
+
+
+
+ public void assign(String teacherId, String courseId){
+
+ for(Course course : courses.values()){
+ if(course.getCourseId().equals(courseId)){
+ course.setTeacher(teacherService.getTeachers().get(teacherId));
+ Logging.log("Teacher "+ teacherService.getTeachers().get(teacherId).getName()+ " assingned to "+ courses.get(courseId).getCourseId()+ " course");
+
+ }
+ }
+
+
+ }
+
+
+ public List showCourses(){
+
+ Logging.log("courses showed");
+ return new ArrayList<>(courses.values());
+
+ }
+
+ public Course lookupCourse(String courseId){
+
+ Logging.log("course name "+ courses.get(courseId).getName() +" looked up");
+ return courses.get(courseId);
+ }
+
+ public double showSchoolProfit(){
+
+ double coursesTotal = 0;
+ double teachersTotal = 0;
+
+
+ for(Teacher teacher : teacherService.getTeachers().values()){
+
+ teachersTotal += teacher.getSalary();
+ }
+
+ for (Course course : courses.values()) {
+
+ coursesTotal += course.getMoneyEarned();
+
+ }
+
+ Logging.log("school's profit is: "+ (coursesTotal - teachersTotal));
+ return coursesTotal - teachersTotal;
+ }
+
+
+ public double courseProfit(String courseId){
+
+ Course course = courses.get(courseId);
+ Logging.log("course "+ courses.get(courseId).getName()+ "'s profit is: "+ (course.getMoneyEarned() - course.getPrice()));
+ return course.getMoneyEarned() - course.getPrice();
+ }
+
+ public void deleteCourse(String id){
+ Logging.log("course "+ courses.get(id).getName()+ " deleted");
+ courses.remove(id);
+ }
+
+
+// getter and setter
+ public Map getCourses() {
+ return courses;
+ }
+
+ public void setCourses(Map courses) {
+ this.courses = courses;
+ }
+
+
+
+}
diff --git a/ironschool/src/main/java/az/ironschool/ironschool/services/StudentService.java b/ironschool/src/main/java/az/ironschool/ironschool/services/StudentService.java
new file mode 100644
index 00000000..f81e822c
--- /dev/null
+++ b/ironschool/src/main/java/az/ironschool/ironschool/services/StudentService.java
@@ -0,0 +1,61 @@
+package az.ironschool.ironschool.services;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+import org.springframework.stereotype.Service;
+
+import az.ironschool.ironschool.dtos.NewStudentDTO;
+import az.ironschool.ironschool.entities.Student;
+import az.ironschool.ironschool.utils.Logging;
+
+@Service
+public class StudentService {
+
+ private static Map students;
+
+ private static CourseService courseService;
+
+ public void registerNewStudent(NewStudentDTO dto) {
+ Student newSt = new Student(dto.getName(), dto.getAddress(), dto.getEmail());
+ students.put(newSt.getStudentId(), newSt);
+
+ Logging.log("new student registered");
+ }
+
+ public void enroll(String studentId, String courseId) {
+
+ students.get(studentId).setCourse(courseService.getCourses().get(courseId));
+
+ double coursePrice = courseService.getCourses().get(courseId).getPrice();
+ double courseProfit = courseService.getCourses().get(courseId).getMoneyEarned();
+
+ courseService.getCourses().get(courseId).setMoneyEarned(coursePrice + courseProfit);
+
+ Logging.log("Student named "+ students.get(studentId).getName()+ " enrolled to "+ courseService.getCourses().get(courseId)+ " course");
+ }
+
+ public List showStudents() {
+
+ Logging.log("list of students showed");
+ return new ArrayList<>(students.values());
+ }
+
+ public Student lookupStudent(String studentId) {
+
+ Logging.log("student named "+ students.get(studentId).getName() +" looked up");
+
+ return students.get(studentId);
+ }
+
+ public List getByCourse(String courseId) {
+
+ Logging.log("returned list of students who have "+ courseService.getCourses().get(courseId).getName()+" course");
+ return students.values()
+ .stream()
+ .filter(student -> student.getCourse().getCourseId().equals(courseId))
+ .toList();
+ }
+
+}
diff --git a/ironschool/src/main/java/az/ironschool/ironschool/services/TeacherService.java b/ironschool/src/main/java/az/ironschool/ironschool/services/TeacherService.java
new file mode 100644
index 00000000..0afe4dd5
--- /dev/null
+++ b/ironschool/src/main/java/az/ironschool/ironschool/services/TeacherService.java
@@ -0,0 +1,46 @@
+package az.ironschool.ironschool.services;
+
+import az.ironschool.ironschool.entities.Teacher;
+import az.ironschool.ironschool.utils.Logging;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+public class TeacherService {
+ private static Map teachers;
+
+
+
+ public List showTeachers() {
+
+ Logging.log("list of teachers returned");
+
+ return new ArrayList<>(teachers.values());
+ }
+
+ public Teacher lookupTeacher(String teacherId) {
+
+ if(teachers.get(teacherId)!= null){Logging.log("teacher named "+ teachers.get(teacherId).getName() +" looked up");}
+ else{Logging.log("that teacher not found");}
+ return teachers.get(teacherId);
+ }
+
+
+ //getter and setter
+ public Map getTeachers() {
+ return teachers;
+ }
+
+ public TeacherService() {
+ }
+
+ public void setTeachers(Map teachers) {
+ TeacherService.teachers = teachers;
+ }
+
+ public void changeSalary(String id, double newSalary){
+ teachers.get(id).setSalary(newSalary);
+ }
+
+}
diff --git a/ironschool/src/main/java/az/ironschool/ironschool/utils/Logging.java b/ironschool/src/main/java/az/ironschool/ironschool/utils/Logging.java
new file mode 100644
index 00000000..10de0216
--- /dev/null
+++ b/ironschool/src/main/java/az/ironschool/ironschool/utils/Logging.java
@@ -0,0 +1,23 @@
+package az.ironschool.ironschool.utils;
+
+import java.io.BufferedWriter;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.time.LocalDateTime;
+
+public class Logging {
+
+ public static void log(String message){
+
+ try (BufferedWriter writer =
+ new BufferedWriter(new FileWriter("log.txt", true))) {
+
+ writer.write(LocalDateTime.now() + " ---> " + message);
+ writer.newLine();
+
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+
+ }
+}
diff --git a/ironschool/src/main/resources/application.properties b/ironschool/src/main/resources/application.properties
new file mode 100644
index 00000000..64bb90af
--- /dev/null
+++ b/ironschool/src/main/resources/application.properties
@@ -0,0 +1 @@
+spring.application.name=ironschool
diff --git a/ironschool/src/test/java/az/ironschool/ironschool/CourseServiceTest.java b/ironschool/src/test/java/az/ironschool/ironschool/CourseServiceTest.java
new file mode 100644
index 00000000..24b8905d
--- /dev/null
+++ b/ironschool/src/test/java/az/ironschool/ironschool/CourseServiceTest.java
@@ -0,0 +1,94 @@
+package az.ironschool.ironschool;
+
+import az.ironschool.ironschool.entities.Course;
+import az.ironschool.ironschool.entities.Teacher;
+import az.ironschool.ironschool.services.CourseService;
+import az.ironschool.ironschool.services.TeacherService;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+public class CourseServiceTest {
+
+ private CourseService courseService;
+ private TeacherService teacherService;
+
+
+ private String teacherId1;
+ private String teacherId2;
+ private String courseId1;
+ private String courseId2;
+
+
+ @BeforeEach
+ void setUp() {
+ teacherService = new TeacherService();
+ Map teachers = new HashMap<>();
+ Teacher t1 = new Teacher("John","Geography",2000);
+ Teacher t2 = new Teacher("Anna","Math", 2500);
+ teacherId2 = t2.getTeacherId();
+ teacherId1 = t1.getTeacherId();
+
+ teachers.put(teacherId1, t1);
+ teachers.put(teacherId2, t2);
+ teacherService.setTeachers(teachers);
+
+ courseService = new CourseService(teacherService);
+ Map courses = new HashMap<>();
+ Course c1 = new Course("Java",100);
+ courseId1 = c1.getCourseId();
+ courses.put(courseId1, c1);
+
+ Course c2 = new Course("Spring",150);
+ courseId2 = c2.getCourseId();
+ courses.put(courseId2, c2);
+ courseService.setCourses(courses);
+ }
+
+ @Test
+ void assign_teacherAssignedToCourse() {
+ courseService.assign(teacherId1, courseId1);
+ assertEquals("John", courseService.getCourses().get(courseId1).getTeacher().getName());
+ }
+
+ @Test
+ void showCourses_returnsAllCourses() {
+ List courses = courseService.showCourses();
+ assertEquals(2, courses.size());
+ }
+
+ @Test
+ void lookupCourse_returnsCorrectCourse() {
+ Course course = courseService.lookupCourse(courseId2);
+ assertEquals("Spring", course.getName());
+ }
+
+ @Test
+ void showSchoolProfit_calculatesCorrectly() {
+ courseService.getCourses().get(courseId1).setMoneyEarned(500);
+ courseService.getCourses().get(courseId2).setMoneyEarned(700);
+
+ double profit = courseService.showSchoolProfit();
+ // courses total = 1200, teachers total = 4500
+ assertEquals(1200 - (2000 + 2500), profit);
+ }
+
+ @Test
+ void courseProfit_returnsCorrectProfit() {
+ Course course = courseService.getCourses().get(courseId1);
+ course.setMoneyEarned(300);
+ double profit = courseService.courseProfit(courseId1);
+ assertEquals(300 - 100, profit);
+ }
+
+ @Test
+ void deleteCourse_removesCourse() {
+ courseService.deleteCourse(courseId2);
+ assertFalse(courseService.getCourses().containsKey(courseId2));
+ }
+}
\ No newline at end of file
diff --git a/ironschool/src/test/java/az/ironschool/ironschool/IronschoolApplicationTests.java b/ironschool/src/test/java/az/ironschool/ironschool/IronschoolApplicationTests.java
new file mode 100644
index 00000000..6ba948bb
--- /dev/null
+++ b/ironschool/src/test/java/az/ironschool/ironschool/IronschoolApplicationTests.java
@@ -0,0 +1,13 @@
+package az.ironschool.ironschool;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class IronschoolApplicationTests {
+
+ @Test
+ void contextLoads() {
+ }
+
+}
diff --git a/ironschool/src/test/java/az/ironschool/ironschool/StudentServiceTests.java b/ironschool/src/test/java/az/ironschool/ironschool/StudentServiceTests.java
new file mode 100644
index 00000000..20804c07
--- /dev/null
+++ b/ironschool/src/test/java/az/ironschool/ironschool/StudentServiceTests.java
@@ -0,0 +1,127 @@
+package az.ironschool.ironschool;
+
+import az.ironschool.ironschool.dtos.NewStudentDTO;
+import az.ironschool.ironschool.entities.Course;
+import az.ironschool.ironschool.entities.Student;
+import az.ironschool.ironschool.services.CourseService;
+import az.ironschool.ironschool.services.StudentService;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import java.lang.reflect.Field;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+public class StudentServiceTests {
+
+ private StudentService studentService;
+ private CourseService courseService;
+
+ private String courseId1;
+ private String studentId1;
+ private String courseId2;
+ private String studentId2;
+
+ @BeforeEach
+ void setUp() throws Exception {
+
+ studentService = new StudentService();
+ courseService = new CourseService();
+
+ Map students = new HashMap<>();
+ Map courses = new HashMap<>();
+
+ Course c1 = new Course("Java", 100);
+ courseId1 = c1.getCourseId();
+ Course c2 = new Course("Spring", 150);
+ courseId2 = c2.getCourseId();
+
+
+ Student s1 = new Student("Ali", "Baku", "ali@mail.com");
+ s1.setCourse(c1);
+ studentId1 = s1.getStudentId();
+
+
+ Student s2 = new Student("Leyla", "Baku", "leyla@mail.com");
+ s2.setCourse(c2);
+ studentId2 = s2.getStudentId();
+
+
+ students.put(studentId1, s1);
+ students.put(studentId2, s2);
+
+ courses.put(courseId1, c1);
+ courses.put(courseId2, c2);
+
+ courseService.setCourses(courses);
+
+ // idk v
+ Field studentsField = StudentService.class.getDeclaredField("students");
+ studentsField.setAccessible(true);
+ studentsField.set(null, students);
+
+ Field courseServiceField = StudentService.class.getDeclaredField("courseService");
+ courseServiceField.setAccessible(true);
+ courseServiceField.set(null, courseService);
+ }
+
+
+ @Test
+ void registerNewStudent_createsStudent() {
+ NewStudentDTO dto = new NewStudentDTO("Murad", "Baku", "murad@mail.com");
+ studentService.registerNewStudent(dto);
+
+ List studentsNew = studentService.showStudents();
+ assertEquals(3, studentsNew.size()); // əvvəl 2 idi, indi 3 olmalıdır
+ }
+
+ @Test
+ void enroll_assignsCourseToStudent() {
+ studentService.enroll(studentId2, courseId2);
+ Student student = studentService.lookupStudent(studentId2);
+ assertEquals(courseId2, student.getCourse().getCourseId());
+ }
+
+ @Test
+ void enroll_increasesCourseMoneyEarned() {
+ Course course = courseService.getCourses().get(courseId1);
+ double oldMoney = course.getMoneyEarned();
+ studentService.enroll(studentId1, courseId1);
+ assertTrue(course.getMoneyEarned() > oldMoney);
+ }
+
+ @Test
+ void showStudents_returnsAllStudents() {
+ List students = studentService.showStudents();
+ assertEquals(2, students.size());
+ }
+
+ @Test
+ void showStudents_listIsNotEmpty() {
+ List students = studentService.showStudents();
+ assertFalse(students.isEmpty());
+ }
+
+ @Test
+ void lookupStudent_returnsCorrectStudent() {
+ Student student = studentService.lookupStudent(studentId1);
+ assertEquals("Ali", student.getName());
+ }
+
+ @Test
+ void lookupStudent_studentIsNotNull() {
+ Student student = studentService.lookupStudent(studentId2);
+ assertNotNull(student);
+ }
+
+ @Test
+ void getByCourse_returnsCorrectStudents() {
+ List javaStudents = studentService.getByCourse(courseId1);
+ assertEquals(1, javaStudents.size());
+ assertEquals(courseId1, javaStudents.get(0).getCourse().getCourseId());
+ }
+}
diff --git a/ironschool/src/test/java/az/ironschool/ironschool/TeacherServiceTests.java b/ironschool/src/test/java/az/ironschool/ironschool/TeacherServiceTests.java
new file mode 100644
index 00000000..61105e4e
--- /dev/null
+++ b/ironschool/src/test/java/az/ironschool/ironschool/TeacherServiceTests.java
@@ -0,0 +1,87 @@
+package az.ironschool.ironschool;
+
+import az.ironschool.ironschool.entities.Teacher;
+import az.ironschool.ironschool.services.TeacherService;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+public class TeacherServiceTests {
+
+ private TeacherService teacherService;
+
+ private String teacherId1;
+ private String teacherId2;
+
+ @BeforeEach
+ void setUp() {
+ teacherService = new TeacherService();
+
+ Map teachers = new HashMap<>();
+
+ Teacher t1 = new Teacher("John", 2000.0);
+ teacherId1 = t1.getTeacherId();
+
+ Teacher t2 = new Teacher("Anna", 2500.0);
+ teacherId2 = t2.getTeacherId();
+
+
+ teachers.put(teacherId1, t1);
+ teachers.put( teacherId2, t2);
+
+ teacherService.setTeachers(teachers);
+ }
+
+ @Test
+ void showTeachers_returnsAllTeachers() {
+
+ List result = teacherService.showTeachers();
+
+ assertEquals(2, result.size());
+ }
+
+ @Test
+ void showTeachers_listIsNotEmpty() {
+
+ List result = teacherService.showTeachers();
+
+ assertFalse(result.isEmpty());
+ }
+
+ @Test
+ void lookupTeacher_returnsCorrectTeacher() {
+
+ Teacher teacher = teacherService.lookupTeacher(teacherId1);
+
+ assertEquals("John", teacher.getName());
+ }
+
+ @Test
+ void changeSalary_updatesSalary() {
+
+ teacherService.changeSalary(teacherId1, 3000);
+
+ Teacher teacher = teacherService.lookupTeacher(teacherId1);
+
+ assertEquals(3000, teacher.getSalary());
+ }
+
+ @Test
+ void changeSalary_salaryIsDifferentFromOld() {
+
+ Teacher teacher = teacherService.lookupTeacher(teacherId1);
+
+ double oldSalary = teacher.getSalary();
+
+ teacherService.changeSalary(teacherId1, 4000);
+
+ assertNotEquals(oldSalary, teacher.getSalary());
+ }
+
+}