diff --git a/multibook/.gitignore b/multibook/.gitignore
new file mode 100644
index 0000000..a2a3040
--- /dev/null
+++ b/multibook/.gitignore
@@ -0,0 +1,31 @@
+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**
+!**/src/test/**
+
+### 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/
+
+### VS Code ###
+.vscode/
diff --git a/multibook/.mvn/wrapper/MavenWrapperDownloader.java b/multibook/.mvn/wrapper/MavenWrapperDownloader.java
new file mode 100644
index 0000000..e76d1f3
--- /dev/null
+++ b/multibook/.mvn/wrapper/MavenWrapperDownloader.java
@@ -0,0 +1,117 @@
+/*
+ * Copyright 2007-present the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import java.net.*;
+import java.io.*;
+import java.nio.channels.*;
+import java.util.Properties;
+
+public class MavenWrapperDownloader {
+
+    private static final String WRAPPER_VERSION = "0.5.6";
+    /**
+     * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
+     */
+    private static final String DEFAULT_DOWNLOAD_URL = "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/"
+        + WRAPPER_VERSION + "/maven-wrapper-" + WRAPPER_VERSION + ".jar";
+
+    /**
+     * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
+     * use instead of the default one.
+     */
+    private static final String MAVEN_WRAPPER_PROPERTIES_PATH =
+            ".mvn/wrapper/maven-wrapper.properties";
+
+    /**
+     * Path where the maven-wrapper.jar will be saved to.
+     */
+    private static final String MAVEN_WRAPPER_JAR_PATH =
+            ".mvn/wrapper/maven-wrapper.jar";
+
+    /**
+     * Name of the property which should be used to override the default download url for the wrapper.
+     */
+    private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl";
+
+    public static void main(String args[]) {
+        System.out.println("- Downloader started");
+        File baseDirectory = new File(args[0]);
+        System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath());
+
+        // If the maven-wrapper.properties exists, read it and check if it contains a custom
+        // wrapperUrl parameter.
+        File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH);
+        String url = DEFAULT_DOWNLOAD_URL;
+        if(mavenWrapperPropertyFile.exists()) {
+            FileInputStream mavenWrapperPropertyFileInputStream = null;
+            try {
+                mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile);
+                Properties mavenWrapperProperties = new Properties();
+                mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream);
+                url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url);
+            } catch (IOException e) {
+                System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'");
+            } finally {
+                try {
+                    if(mavenWrapperPropertyFileInputStream != null) {
+                        mavenWrapperPropertyFileInputStream.close();
+                    }
+                } catch (IOException e) {
+                    // Ignore ...
+                }
+            }
+        }
+        System.out.println("- Downloading from: " + url);
+
+        File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
+        if(!outputFile.getParentFile().exists()) {
+            if(!outputFile.getParentFile().mkdirs()) {
+                System.out.println(
+                        "- ERROR creating output directory '" + outputFile.getParentFile().getAbsolutePath() + "'");
+            }
+        }
+        System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
+        try {
+            downloadFileFromURL(url, outputFile);
+            System.out.println("Done");
+            System.exit(0);
+        } catch (Throwable e) {
+            System.out.println("- Error downloading");
+            e.printStackTrace();
+            System.exit(1);
+        }
+    }
+
+    private static void downloadFileFromURL(String urlString, File destination) throws Exception {
+        if (System.getenv("MVNW_USERNAME") != null && System.getenv("MVNW_PASSWORD") != null) {
+            String username = System.getenv("MVNW_USERNAME");
+            char[] password = System.getenv("MVNW_PASSWORD").toCharArray();
+            Authenticator.setDefault(new Authenticator() {
+                @Override
+                protected PasswordAuthentication getPasswordAuthentication() {
+                    return new PasswordAuthentication(username, password);
+                }
+            });
+        }
+        URL website = new URL(urlString);
+        ReadableByteChannel rbc;
+        rbc = Channels.newChannel(website.openStream());
+        FileOutputStream fos = new FileOutputStream(destination);
+        fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
+        fos.close();
+        rbc.close();
+    }
+
+}
diff --git a/multibook/.mvn/wrapper/maven-wrapper.jar b/multibook/.mvn/wrapper/maven-wrapper.jar
new file mode 100644
index 0000000..2cc7d4a
Binary files /dev/null and b/multibook/.mvn/wrapper/maven-wrapper.jar differ
diff --git a/multibook/.mvn/wrapper/maven-wrapper.properties b/multibook/.mvn/wrapper/maven-wrapper.properties
new file mode 100644
index 0000000..642d572
--- /dev/null
+++ b/multibook/.mvn/wrapper/maven-wrapper.properties
@@ -0,0 +1,2 @@
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.3/apache-maven-3.6.3-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar
diff --git a/multibook/database.mv.db b/multibook/database.mv.db
new file mode 100644
index 0000000..c151f91
Binary files /dev/null and b/multibook/database.mv.db differ
diff --git a/multibook/mvnw b/multibook/mvnw
new file mode 100755
index 0000000..a16b543
--- /dev/null
+++ b/multibook/mvnw
@@ -0,0 +1,310 @@
+#!/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
+#
+#    https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Maven Start Up Batch script
+#
+# Required ENV vars:
+# ------------------
+#   JAVA_HOME - location of a JDK home dir
+#
+# Optional ENV vars
+# -----------------
+#   M2_HOME - location of maven2's installed home dir
+#   MAVEN_OPTS - parameters passed to the Java VM when running Maven
+#     e.g. to debug Maven itself, use
+#       set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+#   MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+# ----------------------------------------------------------------------------
+
+if [ -z "$MAVEN_SKIP_RC" ] ; then
+
+  if [ -f /etc/mavenrc ] ; then
+    . /etc/mavenrc
+  fi
+
+  if [ -f "$HOME/.mavenrc" ] ; then
+    . "$HOME/.mavenrc"
+  fi
+
+fi
+
+# OS specific support.  $var _must_ be set to either true or false.
+cygwin=false;
+darwin=false;
+mingw=false
+case "`uname`" in
+  CYGWIN*) cygwin=true ;;
+  MINGW*) mingw=true;;
+  Darwin*) darwin=true
+    # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
+    # See https://developer.apple.com/library/mac/qa/qa1170/_index.html
+    if [ -z "$JAVA_HOME" ]; then
+      if [ -x "/usr/libexec/java_home" ]; then
+        export JAVA_HOME="`/usr/libexec/java_home`"
+      else
+        export JAVA_HOME="/Library/Java/Home"
+      fi
+    fi
+    ;;
+esac
+
+if [ -z "$JAVA_HOME" ] ; then
+  if [ -r /etc/gentoo-release ] ; then
+    JAVA_HOME=`java-config --jre-home`
+  fi
+fi
+
+if [ -z "$M2_HOME" ] ; then
+  ## resolve links - $0 may be a link to maven's home
+  PRG="$0"
+
+  # need this for relative symlinks
+  while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+      PRG="$link"
+    else
+      PRG="`dirname "$PRG"`/$link"
+    fi
+  done
+
+  saveddir=`pwd`
+
+  M2_HOME=`dirname "$PRG"`/..
+
+  # make it fully qualified
+  M2_HOME=`cd "$M2_HOME" && pwd`
+
+  cd "$saveddir"
+  # echo Using m2 at $M2_HOME
+fi
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched
+if $cygwin ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --unix "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
+fi
+
+# For Mingw, ensure paths are in UNIX format before anything is touched
+if $mingw ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME="`(cd "$M2_HOME"; pwd)`"
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
+fi
+
+if [ -z "$JAVA_HOME" ]; then
+  javaExecutable="`which javac`"
+  if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
+    # readlink(1) is not available as standard on Solaris 10.
+    readLink=`which readlink`
+    if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
+      if $darwin ; then
+        javaHome="`dirname \"$javaExecutable\"`"
+        javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
+      else
+        javaExecutable="`readlink -f \"$javaExecutable\"`"
+      fi
+      javaHome="`dirname \"$javaExecutable\"`"
+      javaHome=`expr "$javaHome" : '\(.*\)/bin'`
+      JAVA_HOME="$javaHome"
+      export JAVA_HOME
+    fi
+  fi
+fi
+
+if [ -z "$JAVACMD" ] ; then
+  if [ -n "$JAVA_HOME"  ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+      # IBM's JDK on AIX uses strange locations for the executables
+      JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+      JAVACMD="$JAVA_HOME/bin/java"
+    fi
+  else
+    JAVACMD="`which java`"
+  fi
+fi
+
+if [ ! -x "$JAVACMD" ] ; then
+  echo "Error: JAVA_HOME is not defined correctly." >&2
+  echo "  We cannot execute $JAVACMD" >&2
+  exit 1
+fi
+
+if [ -z "$JAVA_HOME" ] ; then
+  echo "Warning: JAVA_HOME environment variable is not set."
+fi
+
+CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
+
+# traverses directory structure from process work directory to filesystem root
+# first directory with .mvn subdirectory is considered project base directory
+find_maven_basedir() {
+
+  if [ -z "$1" ]
+  then
+    echo "Path not specified to find_maven_basedir"
+    return 1
+  fi
+
+  basedir="$1"
+  wdir="$1"
+  while [ "$wdir" != '/' ] ; do
+    if [ -d "$wdir"/.mvn ] ; then
+      basedir=$wdir
+      break
+    fi
+    # workaround for JBEAP-8937 (on Solaris 10/Sparc)
+    if [ -d "${wdir}" ]; then
+      wdir=`cd "$wdir/.."; pwd`
+    fi
+    # end of workaround
+  done
+  echo "${basedir}"
+}
+
+# concatenates all lines of a file
+concat_lines() {
+  if [ -f "$1" ]; then
+    echo "$(tr -s '\n' ' ' < "$1")"
+  fi
+}
+
+BASE_DIR=`find_maven_basedir "$(pwd)"`
+if [ -z "$BASE_DIR" ]; then
+  exit 1;
+fi
+
+##########################################################################################
+# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+# This allows using the maven wrapper in projects that prohibit checking in binary data.
+##########################################################################################
+if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Found .mvn/wrapper/maven-wrapper.jar"
+    fi
+else
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
+    fi
+    if [ -n "$MVNW_REPOURL" ]; then
+      jarUrl="$MVNW_REPOURL/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+    else
+      jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+    fi
+    while IFS="=" read key value; do
+      case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
+      esac
+    done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties"
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Downloading from: $jarUrl"
+    fi
+    wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar"
+    if $cygwin; then
+      wrapperJarPath=`cygpath --path --windows "$wrapperJarPath"`
+    fi
+
+    if command -v wget > /dev/null; then
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Found wget ... using wget"
+        fi
+        if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+            wget "$jarUrl" -O "$wrapperJarPath"
+        else
+            wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath"
+        fi
+    elif command -v curl > /dev/null; then
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Found curl ... using curl"
+        fi
+        if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+            curl -o "$wrapperJarPath" "$jarUrl" -f
+        else
+            curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f
+        fi
+
+    else
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Falling back to using Java to download"
+        fi
+        javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java"
+        # For Cygwin, switch paths to Windows format before running javac
+        if $cygwin; then
+          javaClass=`cygpath --path --windows "$javaClass"`
+        fi
+        if [ -e "$javaClass" ]; then
+            if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Compiling MavenWrapperDownloader.java ..."
+                fi
+                # Compiling the Java class
+                ("$JAVA_HOME/bin/javac" "$javaClass")
+            fi
+            if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                # Running the downloader
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Running MavenWrapperDownloader.java ..."
+                fi
+                ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR")
+            fi
+        fi
+    fi
+fi
+##########################################################################################
+# End of extension
+##########################################################################################
+
+export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
+if [ "$MVNW_VERBOSE" = true ]; then
+  echo $MAVEN_PROJECTBASEDIR
+fi
+MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --path --windows "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
+  [ -n "$MAVEN_PROJECTBASEDIR" ] &&
+    MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
+fi
+
+# Provide a "standardized" way to retrieve the CLI args that will
+# work with both Windows and non-Windows executions.
+MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@"
+export MAVEN_CMD_LINE_ARGS
+
+WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+exec "$JAVACMD" \
+  $MAVEN_OPTS \
+  -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
+  "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
+  ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"
diff --git a/multibook/mvnw.cmd b/multibook/mvnw.cmd
new file mode 100644
index 0000000..c8d4337
--- /dev/null
+++ b/multibook/mvnw.cmd
@@ -0,0 +1,182 @@
+@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    https://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 Maven Start Up Batch script
+@REM
+@REM Required ENV vars:
+@REM JAVA_HOME - location of a JDK home dir
+@REM
+@REM Optional ENV vars
+@REM M2_HOME - location of maven2's installed home dir
+@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending
+@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
+@REM     e.g. to debug Maven itself, use
+@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+@REM ----------------------------------------------------------------------------
+
+@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
+@echo off
+@REM set title of command window
+title %0
+@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on'
+@if "%MAVEN_BATCH_ECHO%" == "on"  echo %MAVEN_BATCH_ECHO%
+
+@REM set %HOME% to equivalent of $HOME
+if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
+
+@REM Execute a user defined script before this one
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
+@REM check for pre script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat"
+if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd"
+:skipRcPre
+
+@setlocal
+
+set ERROR_CODE=0
+
+@REM To isolate internal variables from possible post scripts, we use another setlocal
+@setlocal
+
+@REM ==== START VALIDATION ====
+if not "%JAVA_HOME%" == "" goto OkJHome
+
+echo.
+echo Error: JAVA_HOME not found in your environment. >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+:OkJHome
+if exist "%JAVA_HOME%\bin\java.exe" goto init
+
+echo.
+echo Error: JAVA_HOME is set to an invalid directory. >&2
+echo JAVA_HOME = "%JAVA_HOME%" >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+@REM ==== END VALIDATION ====
+
+:init
+
+@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
+@REM Fallback to current working directory if not found.
+
+set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
+IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
+
+set EXEC_DIR=%CD%
+set WDIR=%EXEC_DIR%
+:findBaseDir
+IF EXIST "%WDIR%"\.mvn goto baseDirFound
+cd ..
+IF "%WDIR%"=="%CD%" goto baseDirNotFound
+set WDIR=%CD%
+goto findBaseDir
+
+:baseDirFound
+set MAVEN_PROJECTBASEDIR=%WDIR%
+cd "%EXEC_DIR%"
+goto endDetectBaseDir
+
+:baseDirNotFound
+set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
+cd "%EXEC_DIR%"
+
+:endDetectBaseDir
+
+IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
+
+@setlocal EnableExtensions EnableDelayedExpansion
+for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
+@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
+
+:endReadAdditionalConfig
+
+SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
+set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
+set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+
+FOR /F "tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
+    IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B
+)
+
+@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
+if exist %WRAPPER_JAR% (
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Found %WRAPPER_JAR%
+    )
+) else (
+    if not "%MVNW_REPOURL%" == "" (
+        SET DOWNLOAD_URL="%MVNW_REPOURL%/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+    )
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Couldn't find %WRAPPER_JAR%, downloading it ...
+        echo Downloading from: %DOWNLOAD_URL%
+    )
+
+    powershell -Command "&{"^
+		"$webclient = new-object System.Net.WebClient;"^
+		"if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^
+		"$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^
+		"}"^
+		"[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^
+		"}"
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Finished downloading %WRAPPER_JAR%
+    )
+)
+@REM End of extension
+
+@REM Provide a "standardized" way to retrieve the CLI args that will
+@REM work with both Windows and non-Windows executions.
+set MAVEN_CMD_LINE_ARGS=%*
+
+%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
+if ERRORLEVEL 1 goto error
+goto end
+
+:error
+set ERROR_CODE=1
+
+:end
+@endlocal & set ERROR_CODE=%ERROR_CODE%
+
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost
+@REM check for post script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat"
+if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd"
+:skipRcPost
+
+@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
+if "%MAVEN_BATCH_PAUSE%" == "on" pause
+
+if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE%
+
+exit /B %ERROR_CODE%
diff --git a/multibook/pom.xml b/multibook/pom.xml
new file mode 100644
index 0000000..4160597
--- /dev/null
+++ b/multibook/pom.xml
@@ -0,0 +1,60 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>2.2.2.RELEASE</version>
+		<relativePath/> <!-- lookup parent from repository -->
+	</parent>
+	<groupId>com.unimib.disco.mivan</groupId>
+	<artifactId>multibook</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<name>multibook</name>
+	<description>Project for book loan</description>
+
+	<properties>
+		<java.version>1.8</java.version>
+	</properties>
+
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-data-jpa</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-devtools</artifactId>
+			<scope>runtime</scope>
+			<optional>true</optional>
+		</dependency>
+		<dependency>
+			<groupId>com.h2database</groupId>
+			<artifactId>h2</artifactId>
+			<scope>runtime</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+			<exclusions>
+				<exclusion>
+					<groupId>org.junit.vintage</groupId>
+					<artifactId>junit-vintage-engine</artifactId>
+				</exclusion>
+			</exclusions>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>
diff --git a/multibook/src/main/java/com/unimib/disco/mivan/multibook/MultibookApplication.java b/multibook/src/main/java/com/unimib/disco/mivan/multibook/MultibookApplication.java
new file mode 100644
index 0000000..34fb121
--- /dev/null
+++ b/multibook/src/main/java/com/unimib/disco/mivan/multibook/MultibookApplication.java
@@ -0,0 +1,13 @@
+package com.unimib.disco.mivan.multibook;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class MultibookApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(MultibookApplication.class, args);
+	}
+
+}
diff --git a/multibook/src/main/java/com/unimib/disco/mivan/multibook/controller/UserController.java b/multibook/src/main/java/com/unimib/disco/mivan/multibook/controller/UserController.java
new file mode 100644
index 0000000..b6cb4d1
--- /dev/null
+++ b/multibook/src/main/java/com/unimib/disco/mivan/multibook/controller/UserController.java
@@ -0,0 +1,24 @@
+package com.unimib.disco.mivan.multibook.controller;
+
+import org.springframework.beans.factory.annotation.Autowired;
+
+import com.unimib.disco.mivan.multibook.model.User;
+import com.unimib.disco.mivan.multibook.repository.UserRepository;
+
+public class UserController {
+	
+	@Autowired
+    UserRepository userRepository;
+
+	
+	public void createUser(String firstName, String lastName, String city,String username, String email, String password) {
+		
+		User user = new User(firstName, lastName, city,username,email,password); 
+        
+        userRepository.save(user);
+        
+       
+        
+        
+    }
+}
diff --git a/multibook/src/main/java/com/unimib/disco/mivan/multibook/model/Author.java b/multibook/src/main/java/com/unimib/disco/mivan/multibook/model/Author.java
new file mode 100644
index 0000000..25010b9
--- /dev/null
+++ b/multibook/src/main/java/com/unimib/disco/mivan/multibook/model/Author.java
@@ -0,0 +1,55 @@
+/*package com.unimib.disco.mivan.multibook.model;
+
+import java.util.List;
+
+import javax.persistence.*;
+
+public class Author {
+
+
+	@Id
+	@Column(name = "id", nullable=false)
+	@GeneratedValue(strategy = GenerationType.AUTO)
+    private long id; 
+	
+	@Column(name = "firstName", nullable=false)
+    private String artName;	
+	
+	@ManyToMany
+    List<Book> publications;
+	
+	public Author() {
+		// TODO Auto-generated constructor stub
+	}
+
+	public Author(String artName, List<Book> publications) {
+		super();
+		this.artName = artName;
+		this.publications = publications;
+	}
+
+	public long getId() {
+		return id;
+	}
+
+	public void setId(long id) {
+		this.id = id;
+	}
+
+	public String getArtName() {
+		return artName;
+	}
+
+	public void setArtName(String artName) {
+		this.artName = artName;
+	}
+
+	public List<Book> getPublications() {
+		return publications;
+	}
+
+	public void setPublications(List<Book> publications) {
+		this.publications = publications;
+	}
+
+}*/
diff --git a/multibook/src/main/java/com/unimib/disco/mivan/multibook/model/Book.java b/multibook/src/main/java/com/unimib/disco/mivan/multibook/model/Book.java
new file mode 100644
index 0000000..af7820e
--- /dev/null
+++ b/multibook/src/main/java/com/unimib/disco/mivan/multibook/model/Book.java
@@ -0,0 +1,68 @@
+package com.unimib.disco.mivan.multibook.model;
+
+import java.util.List;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.ManyToMany;
+import javax.persistence.OneToOne;
+
+@Entity
+public class Book {
+
+	@Id
+	@Column(name = "isbn", nullable=false)
+	private int isbn;
+	
+	@Column(name = "titolo", nullable=false)
+	private String titolo;
+
+	@OneToOne
+	private Book prequel;
+	/*
+	@ManyToMany
+    List<Author> authors;
+		*/
+	
+	public Book() {
+		// TODO Auto-generated constructor stub
+	}
+
+	public Book(int isbn, String titolo, Book prequel/*, List<Author> authors*/) {
+		super();
+		this.isbn = isbn;
+		this.titolo = titolo;
+		this.prequel = prequel;
+		//this.authors = authors;
+	}
+
+	public int getIsbn() {
+		return isbn;
+	}
+
+	public void setIsbn(int isbn) {
+		this.isbn = isbn;
+	}
+
+	public String getTitolo() {
+		return titolo;
+	}
+
+	public void setTitolo(String titolo) {
+		this.titolo = titolo;
+	}
+
+	public Book getPrequel() {
+		return prequel;
+	}
+
+	public void setPrequel(Book prequel) {
+		this.prequel = prequel;
+	}
+
+
+	
+	
+
+}
diff --git a/multibook/src/main/java/com/unimib/disco/mivan/multibook/model/Item.java b/multibook/src/main/java/com/unimib/disco/mivan/multibook/model/Item.java
new file mode 100644
index 0000000..e020d43
--- /dev/null
+++ b/multibook/src/main/java/com/unimib/disco/mivan/multibook/model/Item.java
@@ -0,0 +1,65 @@
+package com.unimib.disco.mivan.multibook.model;
+
+import javax.persistence.Column;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.ManyToOne;
+
+public class Item{
+
+
+	@Id
+	@Column(name = "id", nullable=false)
+	@GeneratedValue(strategy = GenerationType.AUTO)
+	private int id;
+	
+	@ManyToOne
+	private Location location;
+	
+	@ManyToOne
+	private Book libro;
+
+	
+	public Item() {
+		// TODO Auto-generated constructor stub
+	}
+
+
+	public Item(Book libro,Location location) {
+		this.libro = libro;
+		this.location=location;
+		// TODO Auto-generated constructor stub
+	}
+
+
+	public int getId() {
+		return id;
+	}
+
+
+	public void setId(int id) {
+		this.id = id;
+	}
+
+
+	public Location getLocation() {
+		return location;
+	}
+
+
+	public void setLocation(Location location) {
+		this.location = location;
+	}
+
+
+	public Book getLibro() {
+		return libro;
+	}
+
+
+	public void setLibro(Book libro) {
+		this.libro = libro;
+	}
+
+}
diff --git a/multibook/src/main/java/com/unimib/disco/mivan/multibook/model/Loan.java b/multibook/src/main/java/com/unimib/disco/mivan/multibook/model/Loan.java
new file mode 100644
index 0000000..daa82e3
--- /dev/null
+++ b/multibook/src/main/java/com/unimib/disco/mivan/multibook/model/Loan.java
@@ -0,0 +1,101 @@
+package com.unimib.disco.mivan.multibook.model;
+
+import java.util.Date;
+
+import javax.persistence.Column;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.ManyToOne;
+import javax.persistence.Temporal;
+import javax.persistence.TemporalType;
+
+public class Loan {
+
+	@Id
+	@Column(name = "id", nullable=false)
+	@GeneratedValue(strategy = GenerationType.AUTO)
+	private int id;
+	
+	
+	@ManyToOne
+	private Item item;
+	
+	@ManyToOne
+	private Staff staff;
+	
+	@ManyToOne
+	private User user;
+	
+	@Column(name = "start")
+	@Temporal(TemporalType.TIMESTAMP)
+	Date start;
+	
+	@Column(name = "end")
+	@Temporal(TemporalType.TIMESTAMP)
+	Date end;
+	
+	public Loan() {
+		// TODO Auto-generated constructor stub
+	}
+
+	public Loan(int id, Item item, Staff staff, User user, Date start, Date end) {
+		super();
+		this.item = item;
+		this.staff = staff;
+		this.user = user;
+		this.start = start;
+		this.end = end;
+	}
+
+	public int getId() {
+		return id;
+	}
+
+	public void setId(int id) {
+		this.id = id;
+	}
+
+	public Item getItem() {
+		return item;
+	}
+
+	public void setItem(Item item) {
+		this.item = item;
+	}
+
+	public Staff getStaff() {
+		return staff;
+	}
+
+	public void setStaff(Staff staff) {
+		this.staff = staff;
+	}
+
+	public User getUser() {
+		return user;
+	}
+
+	public void setUser(User user) {
+		this.user = user;
+	}
+
+	public Date getStart() {
+		return start;
+	}
+
+	public void setStart(Date start) {
+		this.start = start;
+	}
+
+	public Date getEnd() {
+		return end;
+	}
+
+	public void setEnd(Date end) {
+		this.end = end;
+	}
+
+	
+
+}
diff --git a/multibook/src/main/java/com/unimib/disco/mivan/multibook/model/Location.java b/multibook/src/main/java/com/unimib/disco/mivan/multibook/model/Location.java
new file mode 100644
index 0000000..4c6cd8c
--- /dev/null
+++ b/multibook/src/main/java/com/unimib/disco/mivan/multibook/model/Location.java
@@ -0,0 +1,36 @@
+package com.unimib.disco.mivan.multibook.model;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+
+@Entity
+public class Location {
+
+	@Id
+	@Column(name = "id", nullable=false)
+	@GeneratedValue(strategy = GenerationType.AUTO)
+	private long id;
+	
+	@Column(name = "name", nullable=false)
+	private String name;
+	
+	@Column(name = "address", nullable=false)
+	private String address;
+	
+	@Column(name = "city", nullable=false)
+	private String city;
+	
+	public Location() {
+		// TODO Auto-generated constructor stub
+	}
+
+	public Location(String name, String address, String city) {
+		super();
+		this.name = name;
+		this.address = address;
+		this.city = city;
+	}
+}
diff --git a/multibook/src/main/java/com/unimib/disco/mivan/multibook/model/Person.java b/multibook/src/main/java/com/unimib/disco/mivan/multibook/model/Person.java
new file mode 100644
index 0000000..7dd3068
--- /dev/null
+++ b/multibook/src/main/java/com/unimib/disco/mivan/multibook/model/Person.java
@@ -0,0 +1,68 @@
+package com.unimib.disco.mivan.multibook.model;
+
+
+import javax.persistence.*;
+
+@MappedSuperclass
+public class Person {
+
+
+	@Id
+	@Column(name = "id", nullable=false)
+	@GeneratedValue(strategy = GenerationType.AUTO)
+    private long id; 
+	
+	@Column(name = "firstName", nullable=false)
+    private String firstName;	
+	
+	@Column(name = "lastName", nullable=false)
+    private String lastName;
+ 
+	@Column(name = "city")
+	private String city;
+    
+	
+	public Person() {}
+	
+	public Person(String firstName, String lastName, String city) {
+		super();
+		this.firstName = firstName;
+		this.lastName = lastName;
+		this.city = city;
+	}
+
+	public long getId() {
+        return id;
+    }
+ 
+    public void setId(int id) {
+        this.id = id;
+    }
+ 
+    public String getFirstName() {
+        return firstName;
+    }
+ 
+    public void setFirstName(String firstName) {
+        this.firstName = firstName;
+    }
+ 
+    public String getLastName() {
+        return lastName;
+    }
+ 
+    public void setLastName(String lastName) {
+        this.lastName = lastName;
+    }
+
+	public String getCity() {
+		return city;
+	}
+
+	public void setCity(String city) {
+		this.city = city;
+	}
+
+
+
+}
diff --git a/multibook/src/main/java/com/unimib/disco/mivan/multibook/model/Staff.java b/multibook/src/main/java/com/unimib/disco/mivan/multibook/model/Staff.java
new file mode 100644
index 0000000..e35f3b2
--- /dev/null
+++ b/multibook/src/main/java/com/unimib/disco/mivan/multibook/model/Staff.java
@@ -0,0 +1,26 @@
+package com.unimib.disco.mivan.multibook.model;
+
+import javax.persistence.Entity;
+import javax.persistence.FetchType;
+import javax.persistence.ManyToOne;
+
+@Entity
+public class Staff extends User {
+
+	@ManyToOne(fetch = FetchType.LAZY)
+	private Location library;
+	
+	
+	public Staff() {
+		// TODO Auto-generated constructor stub
+	}
+
+	public Staff(String firstName, String lastName, String city, String username, String email,
+			String password, Location library) {
+		super(firstName, lastName, city, username, email, password);
+		this.library=library;
+		
+		// TODO Auto-generated constructor stub
+	}
+
+}
diff --git a/multibook/src/main/java/com/unimib/disco/mivan/multibook/model/User.java b/multibook/src/main/java/com/unimib/disco/mivan/multibook/model/User.java
new file mode 100644
index 0000000..3a46bcc
--- /dev/null
+++ b/multibook/src/main/java/com/unimib/disco/mivan/multibook/model/User.java
@@ -0,0 +1,67 @@
+package com.unimib.disco.mivan.multibook.model;
+
+
+import javax.persistence.*;
+
+@Entity
+public class User extends Person {
+
+
+	@Column(name = "username", nullable=false,unique=true)
+	private String username;
+	
+	@Column(name = "email", nullable=false,unique=true)
+	private String email;
+	
+	@Column(name = "password", nullable=false)
+	private String password;
+	
+
+	public User() {
+		super();
+		// TODO Auto-generated constructor stub
+	}
+
+	public User(String firstName, String lastName, String city, String username, String email, String password) {
+		super(firstName, lastName, city);
+		this.username = username;
+		this.email = email;
+		this.password = password;
+	}
+
+
+	public String getUsername() {
+		return username;
+	}
+
+
+	public void setUsername(String username) {
+		this.username = username;
+	}
+
+
+	public String getEmail() {
+		return email;
+	}
+
+
+	public void setEmail(String email) {
+		this.email = email;
+	}
+
+
+	public String getPassword() {
+		return password;
+	}
+
+
+	public void setPassword(String password) {
+		this.password = password;
+	}
+
+
+	
+	
+	
+
+}
diff --git a/multibook/src/main/java/com/unimib/disco/mivan/multibook/repository/PersonRepository.java b/multibook/src/main/java/com/unimib/disco/mivan/multibook/repository/PersonRepository.java
new file mode 100644
index 0000000..6274ec5
--- /dev/null
+++ b/multibook/src/main/java/com/unimib/disco/mivan/multibook/repository/PersonRepository.java
@@ -0,0 +1,17 @@
+package com.unimib.disco.mivan.multibook.repository;
+
+import java.util.List;
+
+import org.springframework.data.repository.CrudRepository;
+
+import com.unimib.disco.mivan.multibook.model.Person;
+
+public interface PersonRepository <T extends Person> extends CrudRepository<T, Long> {
+	
+	List<T> findByFirstNameAllIgnoreCase(String firstName);
+	
+	List<T> findByLastNameAllIgnoreCase(String lastName);
+	
+	List<T> findByirstNameAndLastNameAllIgnoreCase(String firstName, String lastName);
+	
+}
diff --git a/multibook/src/main/java/com/unimib/disco/mivan/multibook/repository/UserRepository.java b/multibook/src/main/java/com/unimib/disco/mivan/multibook/repository/UserRepository.java
new file mode 100644
index 0000000..d11e05a
--- /dev/null
+++ b/multibook/src/main/java/com/unimib/disco/mivan/multibook/repository/UserRepository.java
@@ -0,0 +1,19 @@
+package com.unimib.disco.mivan.multibook.repository;
+
+import com.unimib.disco.mivan.multibook.model.User;
+
+import java.util.Optional;
+
+
+public interface UserRepository extends PersonRepository<User> {
+	
+	
+	 public Optional<User> findById(Long id);
+	 
+	 public User findByEmail(String email);
+	 
+	 public User findByUsername(String username);
+	 
+	 
+
+}
diff --git a/multibook/src/main/java/com/unimib/disco/mivan/multibook/service/UserService.java b/multibook/src/main/java/com/unimib/disco/mivan/multibook/service/UserService.java
new file mode 100644
index 0000000..5c2e712
--- /dev/null
+++ b/multibook/src/main/java/com/unimib/disco/mivan/multibook/service/UserService.java
@@ -0,0 +1,37 @@
+package com.unimib.disco.mivan.multibook.service;
+
+import java.util.List;
+import java.util.Optional;
+
+import com.unimib.disco.mivan.multibook.model.User;
+import com.unimib.disco.mivan.multibook.repository.UserRepository;
+
+public class UserService {
+
+	private UserRepository userRepository;
+	
+	public UserService(UserRepository userRepository) {
+		this.userRepository = userRepository;
+	}
+	/*
+	public List<User> getClients(){
+		return Lists.newArrayList(userRepository.findAll());
+	}*/
+	
+	public Optional<User> getClient(Long id) {
+		return userRepository.findById(id); 
+	}
+	
+	public List<User> getClientsByNameAndSurname(String name, String surname) {
+		return userRepository.findByirstNameAndLastNameAllIgnoreCase(name, surname);
+	}
+		
+	
+	public void deleteClient(User client) {
+		userRepository.delete(client);
+	}
+	
+	public User insertOrUpdateClient(User client) {
+		return userRepository.save(client);
+	}
+}
diff --git a/multibook/src/main/resources/application.properties b/multibook/src/main/resources/application.properties
new file mode 100644
index 0000000..5054168
--- /dev/null
+++ b/multibook/src/main/resources/application.properties
@@ -0,0 +1,23 @@
+
+
+spring.datasource.url=jdbc:h2:./database;
+spring.datasource.driverClassName=org.h2.Driver
+spring.datasource.username=librarymenagment
+spring.datasource.password=password123!
+spring.datasource.initialization-mode=always
+
+spring.h2.console.enabled=true
+spring.h2.console.path=/h2
+
+
+spring.jpa.show-sql=true
+spring.jpa.hibernate.ddl-auto=update
+spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.H2Dialect
+
+
+
+
+# Used for initialization of db.
+# !!! Remove comment for initialize db first time. !!!
+# spring.datasource.initialization-mode=always
+
diff --git a/multibook/src/test/java/com/unimib/disco/mivan/multibook/MultibookApplicationTests.java b/multibook/src/test/java/com/unimib/disco/mivan/multibook/MultibookApplicationTests.java
new file mode 100644
index 0000000..cdeb7a8
--- /dev/null
+++ b/multibook/src/test/java/com/unimib/disco/mivan/multibook/MultibookApplicationTests.java
@@ -0,0 +1,13 @@
+package com.unimib.disco.mivan.multibook;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class MultibookApplicationTests {
+
+	@Test
+	void contextLoads() {
+	}
+
+}
diff --git a/multibook/src/test/java/com/unimib/disco/mivan/multibook/UserTests.java b/multibook/src/test/java/com/unimib/disco/mivan/multibook/UserTests.java
new file mode 100644
index 0000000..0aac3cb
--- /dev/null
+++ b/multibook/src/test/java/com/unimib/disco/mivan/multibook/UserTests.java
@@ -0,0 +1,33 @@
+package com.unimib.disco.mivan.multibook;
+
+
+import org.junit.jupiter.api.Test;
+import org.mockito.Mock;
+import org.springframework.boot.test.context.SpringBootTest;
+
+import com.unimib.disco.mivan.multibook.model.User;
+import com.unimib.disco.mivan.multibook.service.UserService;
+
+
+
+@SpringBootTest
+public class UserTests {
+
+
+	 
+	 //private UserRepository userRepository = new UserRepository();
+	 private UserService userRepository;
+	
+	@Test
+	void userCreation() {
+		
+		User asd = new User("Ivan", "Donati", "Novara",  "territory", "ciao.iva@gmail.com", "sonounapassword");
+		
+		userRepository.insertOrUpdateClient(asd);
+		
+		//userRepository.insertOrUpdateClient("Ivan", "Donati", "Novara",  "territory", "ciao.iva@gmail.com", "sonounapassword");
+		
+		
+	}
+
+}