dwiz

#!/bin/bash
clear

#check if drush is installed, otherwise exit.
command -v drush >/dev/null 2>&1 || { echo "I require drush but it's not installed.  Aborting." >&2; exit 1;  }

startdir=$(pwd)
sdir=$(dirname "$0")
sdir=${sdir#*/}

globalDirectory="$HOME/.drupal-wizard"
globalConfig="$globalDirectory/global.cfg"
globalModules="${globalDirectory}/modules"
globalCommands="${globalDirectory}/commands"
foundPath=""

#
# Search for file existence
# @param file to check 
#
function fileExists() {
  if [ -f "$1/$2" ]; then
    return 1;
  else
    return 0;
  fi
}


#
# Get the file location, searching from the current working directory up to the global directory.
# @param string: must be either 'module' or 'command'
#
function getFileLocation() {

  #First check if the file exists in the script working directory
  fileExists "${startdir}" "$1"
  if [ $? -eq 1 ]; then
    foundPath="$startdir/$1"
    return
  fi


  #if not the check is performed in the .drupalwizard user's home directory
  #either 'module' or 'command' must be specified.
  if [ "$2" == "module" ]; then
    searchIn=$globalModules
  else
    searchIn=$globalCommands
  fi

  fileExists "$searchIn" "$1"

  if [ $? -eq 1 ]; then
    foundPath="$searchIn/$1"
    return
  else
    echo "file $1 not found"
    foundPath=""
    exit
  fi
}

# Parse optional arguments to read the module list and command list file.
# @parameters
#   -m The modules list filename to parse. The wizard will start searching
#      from the script working directory, falling back to the global .drupalwizard directory
#   -c The commands list filename to parse. The wizard will start searching
#      from the script working directory, falling back to the global .drupalwizard directory
# for both -c and -m and empty value means to search for the default filename (modules.list and commands.list)
while getopts "m:c:v" option; do
  case "$option" in
    m)
      if [ -n "$OPTARG" ]; then
        getFileLocation "$OPTARG" 'module'
        m="$foundPath"
      fi
      ;;
    c)
      if [[ -n "$OPTARG" ]]; then
        getFileLocation "$OPTARG" 'command'
        c="$foundPath"
      fi
      ;;
    v)
        verbodeMode=1
        ;;
    \?)
      echo "Invalid option: - $OPTARG" >&2
      exit
      ;;
  esac
done

#If the argument "-v" is passed the global configuration file
#is ignored. We're gonna ask for all the required information.
if [[ -z "${verbodeMode}" ]]; then
    source "${globalConfig}"
fi


echo "Welcome to the Drupal Installation Wizard"
echo
if [[ ! "$verbodeMode" ]]; then
    echo "All the required information will be loaded from the global configuration file."
    echo "Information not provided in the configuration file will be asked in the next page."
else
    echo "You requested to skip loading the global configuration file."
    echo "All the required information must be manually provided."
fi
echo

if [ ! -z "$m" ]; then
  echo -e "\e[31mAdditional modules to install are listed in the file $m\e[0m"
fi

echo

if [ ! -z "$c" ]; then
  echo -e "\e[31mPost installation commands are listed in the file $c\e[0m"
fi

read -r -p "Do you wish to continue?[y/n] [y] " goahed

if [[ "$goahed" == "y" || "$goahed" == "" ]]; then # yes, continue
	clear
else
  echo "Exiting.."
  echo "Bye."
  exit
fi

echo -en '\E[47;31m'"\033[1mPlease be careful.
Database and folder with the same name will be overwritten.\033[0m\n\n"

##################### The script is running, declare some variables ############

# Default values come from the global.cfg file

site_name="My Drupal Site"

#Database Server settings
install_path="$wsRoot"
sub_path="$wsSubPath"
db_url="$dbUrl"
db_host="$dbAddress"
db_root_name="$dbRootUsername"
db_root_pw="$dbRootPassword"

#Drupal database configuration
db_user="$drupalDbUsername"
db_pass="$drupalDbPassword"

if [[ "$drupalDbName" ]]; then
    db_name="${drupalDbPrefix}${drupalDbName}"
    if [[ "$drupalDbPrefix" ]]; then
        db_name="${drupalDbPrefix}${drupalDbName}"
    fi
fi

#Drupal Installation settings
version="$drupalDefaultVersion"
webSiteEmail="$drupalEmail"
locale="$drupalLocale"

#Administrator settings
account_name="$adminUsername"
account_passw="$adminPassword"
account_email="$adminEmail"


######################  WebSite informations  ##################################
#Informations about the website drush is going to create
################################################################################

#Drupal Version
if [ -z "$version" ]; then
    version="7"
    read -r -p "Enter the Drupal version you want to install [$version]: " ver
    [[ $ver = '' ]] && version="$version" || version="$ver"
fi

#Web Site language
if [[ -z $locale ]]; then
    locale="en"
    read -r -p "Enter the 2 characters language code. [$locale]: " loc
    [[ $loc = '' ]] && locale="$locale" || locale="$loc"
fi

#Web Site Name
#if [[ -z $site_name ]]; then
site_name="My Drupal Site"
read -r -p "Enter the website name [$site_name]: " sitename
[[ $sitename = '' ]] && site_name="$site_name" || site_name="$sitename"
#fi

#Web site email
if [[ -z $webSiteEmail ]]; then
    webSiteEmail="email@example.com"
    read -r -p "Enter the website email [$webSiteEmail]: " webMail
    [[ $webMail = '' ]] && webSiteEmail="$webSiteEmail" || webSiteEmail="$webMail"
    echo
fi

#Web Server Root
if [[ -z "$install_path" ]]; then
    install_path="/var/www"
    read -r -p "Enter the web server absolute root path [$install_path]: " path
    [[ $path = '' ]] && install_path="$install_path" || install_path="$path"
fi

#Web Server Sub Path
if [[ -z "$sub_path" ]]; then
    sub_path="public"
    read -r -p "Enter the web server relative sub path where drupal will be installed [$sub_path]: " subPath
    [[ $subPath = '' ]] && sub_path="$sub_path" || sub_path="$subPath"
    echo
fi

#Administrator username
if [[ -z $account_name ]]; then
    account_name="admin"
    read -r -p "Enter the administrator account name for the website [$account_name]: " name
    [[ $name = '' ]] && account_name="$account_name" || account_name="$name"
fi

#Administrator password
if [[ -z $account_passw ]]; then
    account_passw="admin"
    read -r -p "Enter the administrator account password for the website [$account_passw]: " passw
    [[ $passw = '' ]] && account_passw="$account_passw" || account_passw="$passw"
fi

#Administrator email
if [[ -z $account_email ]]; then
    account_email="admin@example.com"
    read -r -p "Enter the administrator email for the website [$account_email]: " mail
    [[ $mail = '' ]] && account_email="$account_email" || account_email="$mail"
    echo
fi


######################  Database Server Informations  ##########################
#Database server connection informations
################################################################################

#Database Server Url
if [[ -z $db_url ]]; then
    db_url="mysql://"
    read -r -p "Enter the database server URL [$db_url]: " dburl
    [[ $dburl = '' ]] && db_url="$db_url" || db_url="$dburl"
fi

#Database Server Address
if [[ -z $db_host ]]; then
    db_host="localhost"
    read -r -p "Enter the database server host address [$db_host]: " dbhost
    [[ $dbhost = '' ]] && db_host="$db_host" || db_host="$dbhost"
fi

#Database Server Root username
if [[ -z $db_root_name ]]; then
    db_root_name="root"
    read -r -p "Enter the database server root username [$db_root_name]: " dbrootname
    [[ $dbrootname = '' ]] && db_root_name="$db_root_name" || db_root_name="$dbrootname"
fi

#Database Server Root Password
if [[ -z $db_root_pw ]]; then
    db_root_pw="root"
    read -r -p "Enter the database server root password [$db_root_pw]: " dbrootpassw
    [[ $dbrootpassw = '' ]] && db_root_pw="$db_root_pw" || db_root_pw="$dbrootpassw"
    echo
fi

#####################  Website Database Information  ###########################
# Informations about the database drush is going to create for the website
################################################################################

#Drupal Database Name
if [[ -z $db_name ]]; then
    db_name="drupal"
    read -r -p "Enter the database name drupal will be connected to [$db_name]: " dbname
    [[ $dbname = '' ]] && db_name="$db_name" || db_name="$dbname"
fi

#Drupal Database Username
if [[ -z $db_user ]]; then
    db_user="drupal"
    read -r -p "Enter the username the website uses to access the database [$db_user]: " dbuser
    [[ $dbuser = '' ]] && db_user="$db_user" || db_user="$dbuser"
fi

#Drupal Database Password
if [[ -z $db_pass ]]; then
    db_pass="drupal"
    read -r -p "Enter the password the website uses to access the database [$db_pass]: " dbpass
    [[ $dbpass = '' ]] && db_pass="$db_pass" || db_pass="$dbpass"
fi


#Concatenated Installation path [Root + sub path]
completeInstallPath="${install_path}/${sub_path}"


#echo "The script is located at: ${startdir}"
#workingdir=$(echo $completeInstallPath)
#echo "The working directory is: $workingdir"

module_file=$m
if [[ "$m" ]]; then
    echo "The file name containing the list of modules to download is located at: $module_file"
fi


commands_file=$c
if [[ "$c" ]]; then
    echo "The post-installation commands file is located at: $commands_file"
fi

clear
echo "Review below informations before staring installation:"
echo "*********************************************************"
echo "* Website related information:                          *"
echo "*********************************************************"
echo "Installation path              : $completeInstallPath"
echo "Drupal Version                 : $version"
echo "Website language               : $locale"
echo "Website name                   : $site_name"
echo "Website email                  : $webSiteEmail"
echo "********************************************************"
echo "* Administrator                                        *"
echo "********************************************************"
echo "Administrator username         : $account_name"
echo "Administrator password         : $account_passw"
echo "Administrator email            : $account_email"
echo "********************************************************"
echo "* Database Server                                      *"
echo "********************************************************"
echo "Database Server url            : $db_url"
echo "Database Server address        : $db_host"
echo "Database Server root username  : $db_root_name"
echo "Database Server root password  : $db_root_pw"
echo "********************************************************"
echo "* Drupal database                                      *"
echo "********************************************************"
echo "- The following new database will be created"
echo "New database name              : $db_name"
echo "Database username              : $db_user"
echo "Database password              : $db_pass"
echo
echo "A new Drupal ${version} website will be installed in: ${completeInstallPath}"



while true; do
  read -r -p "Are these informations correct? [y/n]" correct
  case $correct in
    [Yy]* ) echo "Installation is staring...."; break;;
    [Nn]* ) echo "Please start the script again and make needed corrections."; exit;;
    *  ) echo "Please answer yes[y] or not[n].";;
  esac
done

echo
echo
echo "Downloading latest Drupal ${version} release"
echo "Please wait until the task is completed. This may take a few minutes."
echo "....."

### Download latest drupal release  #########
drush dl -y drupal-"${version}" --destination="${install_path}" --drupal-project-rename="${sub_path}"
echo
echo
echo "Latest Drupal ${version} release has been downloaded at ${completeInstallPath}"
echo
echo

cd "$completeInstallPath" || exit

### Install Drupal using drush  ########
drush -y site-install standard --account-name="${account_name}" --account-pass="${account_passw}" --account-mail="${account_email}" --locale="${locale}" --db-url="${db_url}${db_user}:${db_pass}@${db_host}/${db_name}" --db-su="${db_root_name}" --db-su-pw="${db_root_pw}" --site-name="${site_name}" --notify

if [ $? != 0 ]; then
  echo "Drush has encountered a problem. Please review the information you provide and try again."
  exit
fi

## Recursively download and (if set [y]) enable modules from the .modules file.
if [ $m ]; then
  echo
  echo "Downloading additional modules.."
  echo
  while read module enabled
  do
    case $module in \#*) continue ;; esac

    if [[ $module ]]; then
      echo "drush is downloading $module module"
      drush dl -n "$module"
        if [[ $enabled == "y" ]]; then
          echo "Enabling module $module"
          drush en -y "$module"
        fi
      echo
    fi
  done < "$module_file"
fi

### Perform recursively additional drush commands listed in commands files.
if [ $c ]; then
  echo
  echo "Performing post installation commands.."
  echo

  while IFS=$'\n': read action
    do
    case $action in \#*) continue ;; esac

    if [[ $action ]]; then
      echo
      echo "drush is performing [drush $action]"
      drush $action
    fi
  done < "$commands_file"
fi
echo
echo
echo "Review if there were errors during the process."
echo "If not you can visit your new website at ${completeInstallPath}"
echo
echo "All tasks are completed."
echo