From 8828e1d8e2c61c4950dcb330523281412b03c83f Mon Sep 17 00:00:00 2001
From: yalh76 <yalh@yahoo.com>
Date: Thu, 3 Mar 2022 01:59:43 +0100
Subject: [PATCH] Implement install and removal of YunoHost apps

---
 helpers/app | 92 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 helpers/app

diff --git a/helpers/app b/helpers/app
new file mode 100644
index 000000000..310d7d25c
--- /dev/null
+++ b/helpers/app
@@ -0,0 +1,92 @@
+#!/bin/bash
+
+# Install other YunoHost apps
+#
+# usage: ynh_install_apps --apps="a_ynh b_ynh?domain=DOMAIN&path=PATH&admin=USER&language=fr&is_public=1&password=pass&port=666"
+# | arg: -a, --apps=     - apps to install
+#
+# Requires YunoHost version *.*.* or higher.
+ynh_install_apps() {
+	# Declare an array to define the options of this helper.
+	local legacy_args=a
+	local -A args_array=([a]=apps=)
+	local apps
+	# Manage arguments with getopts
+	ynh_handle_getopts_args "$@"
+
+	# Split the list of apps in an array
+	local apps_list=($(echo $apps | tr " " "\n"))
+	
+	# For each app
+	for i in "${apps_list[@]}"
+	do
+		# Retrieve the name of the app (part before _ynh)
+		local oneapp=$(echo "$i" | awk -F'[_ynh]' '{print $1}')
+		[ -z "$oneapp" ] && ynh_die --message="You didn't provided a YunoHost app to install"
+
+		# Retrieve the arguments of the app (part after ?)
+		local oneargument=$(echo "$i" | awk -F'[?]' '{print $2}')
+		[ ! -z "$oneargument" ] && oneargument="--args \"$oneargument\""
+
+		if ! yunohost app list | grep -q "$oneapp"
+		then
+			yunohost tools update
+			yunohost app install $oneapp $oneargument
+		else
+			yunohost tools update
+			yunohost app upgrade $oneapp $oneargument
+		fi
+		ynh_app_setting_set --app=$app --key=require_$oneapp --value="1"
+	done
+}
+
+# Remove other YunoHost apps
+#
+# apps will be removed only if no other apps need them.
+#
+# usage: ynh_remove_apps --apps="a_ynh b_ynh?domain=DOMAIN&path=PATH&admin=USER&language=fr&is_public=1&password=pass&port=666"
+# | arg: -a, --apps=     - apps to install
+#
+# Requires YunoHost version *.*.* or higher.
+ynh_remove_apps() {
+	# Declare an array to define the options of this helper.
+	local legacy_args=a
+	local -A args_array=([a]=app=)
+	local app
+	# Manage arguments with getopts
+	ynh_handle_getopts_args "$@"
+
+	# Split the list of apps in an array
+	local apps_list=($(echo $apps | tr " " "\n"))
+	
+	# For each app
+	for i in "${apps_list[@]}"
+	do
+		# Retrieve the name of the app (part before _ynh)
+		local oneapp=$(echo "$i" | awk -F'[_ynh]' '{print $1}')
+		[ -z "$oneapp" ] && ynh_die --message="You didn't provided a YunoHost app to remove"
+
+		ynh_app_setting_delete --app=$app --key=require_$oneapp
+
+		# List apps requiring $oneapp
+		local installed_apps=$(yunohost app list | grep -oP 'id: \K.*$')
+		local required_by=""
+		local installed_app_required_by=""
+		for installed_app in $installed_apps
+		do
+			local installed_app_required_by=$(ynh_app_setting_get --app=$installed_app --key="require_$oneapp")
+			if [[ $installed_app_required_by ]]
+			then
+				required_by="${installed_app_required_by}"
+			fi
+			installed_app_required_by=""
+		done
+
+		# If $oneapp is no more required
+		if [[ ! $required_by ]]
+		then
+			# Remove $oneapp
+			ynh_print_info --message="Removing of $oneapp"
+			yunohost app remove $oneapp --purge
+	done
+}
\ No newline at end of file