refactor: improve Podman installer

- Refactor Podman installer to use a more robust approach
- Improve error handling and clarify the installation/removal
- Update example usage to reflect changes

Co-authored-by: supermario <mariobassem12@gmail.com>

examples/installers/podman.vsh

@@ -4,8 +4,8 @@ import freeflowuniverse.herolib.installers.virt.podman as podman_installer
 
 mut podman := podman_installer.get()!
 
-if podman.installed() {
-	podman.destroy()!
-} else {
-	podman.install()!
-}
+// To install
+podman.install()!
+
+// To remove
+podman.destroy()!

lib/installers/db/postgresql/postgresql_actions.v

@@ -12,17 +12,8 @@ fn installed_() !bool {
 
 fn install_() ! {
 	console.print_header('install postgresql')
-
-	if core.platform()! != .ubuntu || core.platform()! != .arch {
-		return error('only support ubuntu and arch for now')
-	}
-
-	if osal.done_exists('podman') {
-		console.print_header('podman binary already installed')
-		return
-	}
-
-	podman_installer.install()!
+	mut podman := podman_installer.get()!
+	podman.install()!
 	osal.execute_silent('podman pull docker.io/library/postgres:latest')!
 }
 

lib/installers/virt/podman/podman_actions.v

@@ -5,7 +5,7 @@ import freeflowuniverse.herolib.core
 import os
 
 // Check if Podman is installed
-fn installed() bool {
+fn installed() !bool {
 	console.print_header('Checking if Podman is installed...')
 	result := os.execute('podman -v')
 	return result.exit_code == 0
@@ -13,7 +13,7 @@ fn installed() bool {
 
 // Install Podman
 fn install() ! {
-	if installed() {
+	if installed()! {
 		return error('Podman is already installed.')
 	}
 
@@ -26,7 +26,7 @@ fn install() ! {
 
 // Remove Podman
 fn destroy() ! {
-	if !installed() {
+	if !installed()! {
 		return error('Podman is not installed.')
 	}
 

lib/installers/virt/podman/podman_factory_.v

@@ -1,5 +1,7 @@
 module podman
 
+import freeflowuniverse.herolib.core.base
+import freeflowuniverse.herolib.core.playbook
 import freeflowuniverse.herolib.sysadmin.startupmanager
 import freeflowuniverse.herolib.osal.zinit
 import freeflowuniverse.herolib.ui.console
@@ -22,6 +24,32 @@ pub fn get(args_ ArgsGet) !&PodmanInstaller {
 	return &PodmanInstaller{}
 }
 
+////////////////////////////////////////////////////////////////////////////////////////////////////
+//////////////////////////# LIVE CYCLE MANAGEMENT FOR INSTALLERS ///////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////////////////////////
+
+fn startupmanager_get(cat zinit.StartupManagerType) !startupmanager.StartupManager {
+	// unknown
+	// screen
+	// zinit
+	// tmux
+	// systemd
+	match cat {
+		.zinit {
+			console.print_debug('startupmanager: zinit')
+			return startupmanager.get(cat: .zinit)!
+		}
+		.systemd {
+			console.print_debug('startupmanager: systemd')
+			return startupmanager.get(cat: .systemd)!
+		}
+		else {
+			console.print_debug('startupmanager: auto')
+			return startupmanager.get()!
+		}
+	}
+}
+
 @[params]
 pub struct InstallArgs {
 pub mut:
@@ -30,17 +58,9 @@ pub mut:
 
 pub fn (mut self PodmanInstaller) install(args InstallArgs) ! {
 	switch(self.name)
+	if args.reset || !installed()! {
 		install()!
-}
-
-pub fn (mut self PodmanInstaller) installed(args InstallArgs) bool {
-	switch(self.name)
-	return installed()
-}
-
-pub fn (mut self PodmanInstaller) build() ! {
-	switch(self.name)
-	build()!
+	}
 }
 
 pub fn (mut self PodmanInstaller) destroy() ! {

lib/installers/virt/podman/readme.md

@@ -12,9 +12,9 @@ import freeflowuniverse.herolib.installers.virt.podman as podman_installer
 
 mut podman := podman_installer.get()!
 
-if podman.installed() {
-	podman.destroy()!
-} else {
-	podman.install()!
-}
+// To install
+podman.install()!
+
+// To remove
+podman.destroy()!
 ```