# #!/bin/bash

# See
# https://github.com/louislam/uptime-kuma/wiki/%F0%9F%86%99-How-to-Update

# #=================================================
# # GENERIC START
# #=================================================
# # IMPORT GENERIC HELPERS
# #=================================================

# source _common.sh
# source /usr/share/yunohost/helpers

# #=================================================
# # LOAD SETTINGS
# #=================================================
# ynh_script_progression --message="Loading installation settings..." --time --weight=1

# app=$YNH_APP_INSTANCE_NAME

# domain=$(ynh_app_setting_get --app=$app --key=domain)
# path_url=$(ynh_app_setting_get --app=$app --key=path)
# admin=$(ynh_app_setting_get --app=$app --key=admin)
# final_path=$(ynh_app_setting_get --app=$app --key=final_path)
# language=$(ynh_app_setting_get --app=$app --key=language)
# db_name=$(ynh_app_setting_get --app=$app --key=db_name)

# #=================================================
# # CHECK VERSION
# #=================================================

# ### This helper will compare the version of the currently installed app and the version of the upstream package.
# ### $upgrade_type can have 2 different values
# ### - UPGRADE_APP if the upstream app version has changed
# ### - UPGRADE_PACKAGE if only the YunoHost package has changed
# ### ynh_check_app_version_changed will stop the upgrade if the app is up to date.
# ### UPGRADE_APP should be used to upgrade the core app only if there's an upgrade to do.
# upgrade_type=$(ynh_check_app_version_changed)

# #=================================================
# # BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
# #=================================================
# ynh_script_progression --message="Backing up the app before upgrading (may take a while)..." --time --weight=1

# # Backup the current version of the app
# ynh_backup_before_upgrade
# ynh_clean_setup () {
# 	# Restore it if the upgrade fails
# 	ynh_restore_upgradebackup
# }
# # Exit if an error occurs during the execution of the script
# ynh_abort_if_errors

# #=================================================
# # STANDARD UPGRADE STEPS
# #=================================================
# # STOP SYSTEMD SERVICE
# #=================================================
# ynh_script_progression --message="Stopping a systemd service..." --time --weight=1

# ynh_systemd_action --service_name=$app --action="stop" --log_path="/var/log/$app/$app.log"

# #=================================================
# # ENSURE DOWNWARD COMPATIBILITY
# #=================================================
# ynh_script_progression --message="Ensuring downward compatibility..." --time --weight=1

# #
# # N.B. : the followings setting migrations snippets are provided as *EXAMPLES*
# # of what you may want to do in some cases (e.g. a setting was not defined on
# # some legacy installs and you therefore want to initiaze stuff during upgrade)
# #

# # If db_name doesn't exist, create it
# #if [ -z "$db_name" ]; then
# #	db_name=$(ynh_sanitize_dbid --db_name=$app)
# #	ynh_app_setting_set --app=$app --key=db_name --value=$db_name
# #fi

# # If final_path doesn't exist, create it
# #if [ -z "$final_path" ]; then
# #	final_path=/var/www/$app
# #	ynh_app_setting_set --app=$app --key=final_path --value=$final_path
# #fi

# ### If nobody installed your app before 4.1,
# ### then you may safely remove these lines

# # Cleaning legacy permissions
# if ynh_legacy_permissions_exists; then
# 	ynh_legacy_permissions_delete_all

# 	ynh_app_setting_delete --app=$app --key=is_public
# fi

# if ! ynh_permission_exists --permission="admin"; then
# 	# Create the required permissions
# 	ynh_permission_create --permission="admin" --url="/admin" --allowed=$admin
# fi

# # Create a permission if needed
# if ! ynh_permission_exists --permission="api"; then
# 	ynh_permission_create --permission="api" --url="/api" --allowed="visitors" --show_tile="false" --protected="true"
# fi

# #=================================================
# # CREATE DEDICATED USER
# #=================================================
# ynh_script_progression --message="Making sure dedicated system user exists..." --time --weight=1

# # Create a dedicated user (if not existing)
# ynh_system_user_create --username=$app --home_dir="$final_path"

# #=================================================
# # DOWNLOAD, CHECK AND UNPACK SOURCE
# #=================================================

# if [ "$upgrade_type" == "UPGRADE_APP" ]
# then
# 	ynh_script_progression --message="Upgrading source files..." --time --weight=1

# 	# Download, check integrity, uncompress and patch the source from app.src
# 	ynh_setup_source --dest_dir="$final_path"
# fi

# # FIXME: this should be managed by the core in the future
# # Here, as a packager, you may have to tweak the ownerhsip/permissions
# # such that the appropriate users (e.g. maybe www-data) can access
# # files in some cases.
# # But FOR THE LOVE OF GOD, do not allow r/x for "others" on the entire folder -
# # this will be treated as a security issue.
# chmod 750 "$final_path"
# chmod -R o-rwx "$final_path"
# chown -R $app:www-data "$final_path"

# #=================================================
# # NGINX CONFIGURATION
# #=================================================
# ynh_script_progression --message="Upgrading NGINX web server configuration..." --time --weight=1

# # Create a dedicated NGINX config
# ynh_add_nginx_config

# #=================================================
# # UPGRADE DEPENDENCIES
# #=================================================
# ynh_script_progression --message="Upgrading dependencies..." --time --weight=1

# ynh_install_app_dependencies $pkg_dependencies

# #=================================================
# # PHP-FPM CONFIGURATION
# #=================================================
# ynh_script_progression --message="Upgrading PHP-FPM configuration..." --time --weight=1

# # Create a dedicated PHP-FPM config
# ynh_add_fpm_config

# #=================================================
# # SPECIFIC UPGRADE
# #=================================================
# # ...
# #=================================================

# #=================================================
# # UPDATE A CONFIG FILE
# #=================================================
# ynh_script_progression --message="Updating a configuration file..." --time --weight=1

# ### Same as during install
# ###
# ### The file will automatically be backed-up if it's found to be manually modified (because
# ### ynh_add_config keeps track of the file's checksum)

# ynh_add_config --template="some_config_file" --destination="$final_path/some_config_file"

# # FIXME: this should be handled by the core in the future
# # You may need to use chmod 600 instead of 400,
# # for example if the app is expected to be able to modify its own config
# chmod 400 "$final_path/some_config_file"
# chown $app:$app "$final_path/some_config_file"

# ### For more complex cases where you want to replace stuff using regexes,
# ### you shoud rely on ynh_replace_string (which is basically a wrapper for sed)
# ### When doing so, you also need to manually call ynh_store_file_checksum
# ###
# ### ynh_replace_string --match_string="match_string" --replace_string="replace_string" --target_file="$final_path/some_config_file"
# ### ynh_store_file_checksum --file="$final_path/some_config_file"

# #=================================================
# # SETUP SYSTEMD
# #=================================================
# ynh_script_progression --message="Upgrading systemd configuration..." --time --weight=1

# # Create a dedicated systemd config
# ynh_add_systemd_config

# #=================================================
# # GENERIC FINALIZATION
# #=================================================
# # SETUP LOGROTATE
# #=================================================
# ynh_script_progression --message="Upgrading logrotate configuration..." --time --weight=1

# # Use logrotate to manage app-specific logfile(s)
# ynh_use_logrotate --non-append

# #=================================================
# # INTEGRATE SERVICE IN YUNOHOST
# #=================================================
# ynh_script_progression --message="Integrating service in YunoHost..." --time --weight=1

# yunohost service add $app --description="A short description of the app" --log="/var/log/$app/$app.log"

# #=================================================
# # START SYSTEMD SERVICE
# #=================================================
# ynh_script_progression --message="Starting a systemd service..." --time --weight=1

# ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"

# #=================================================
# # UPGRADE FAIL2BAN
# #=================================================
# ynh_script_progression --message="Reconfiguring Fail2Ban..." --time --weight=1

# # Create a dedicated Fail2Ban config
# ynh_add_fail2ban_config --logpath="/var/log/nginx/${domain}-error.log" --failregex="Regex to match into the log for a failed login"

# #=================================================
# # RELOAD NGINX
# #=================================================
# ynh_script_progression --message="Reloading NGINX web server..." --time --weight=1

# ynh_systemd_action --service_name=nginx --action=reload

# #=================================================
# # END OF SCRIPT
# #=================================================

# ynh_script_progression --message="Upgrade of $app completed" --time --last