Added automatical hook scheduling

node.go

@@ -94,7 +94,8 @@ func GetNode(nodeID int) (node Node, err error) { // {{{
 								h.id,
 								to_jsonb(s) AS script,
 								ssh,
-								env
+								env,
+								schedule_on_child_update AS ScheduleOnChildUpdate
 							FROM hook h
 							INNER JOIN public.script s ON h.script_id = s.id
 							WHERE

script.go

@@ -23,11 +23,12 @@ type Script struct {
 }
 
 type Hook struct {
-	ID     int
-	Node   Node
-	Script Script
-	SSH    string
-	Env    map[string]string
+	ID                    int
+	Node                  Node
+	Script                Script
+	SSH                   string
+	Env                   map[string]string
+	ScheduleOnChildUpdate bool `db:"schedule_on_child_update"`
 }
 
 func GetScript(scriptID int) (script Script, err error) { // {{{
@@ -135,13 +136,20 @@ func SearchScripts(search string) (scripts []Script, err error) { // {{{
 
 	row := db.QueryRow(`
 		SELECT
-			json_agg(script) AS scripts
-		FROM public.script
-		WHERE
-			name ILIKE $1
-		ORDER BY
-			"group" ASC,
-			name ASC
+			COALESCE(
+				json_agg(scripts),
+				'[]'::json
+			) AS scripts
+		FROM (
+			SELECT
+				to_json(script) AS scripts
+			FROM public.script
+			WHERE
+				name ILIKE $1
+			ORDER BY
+				"group" ASC,
+				name ASC
+		) scripts
 		`,
 		search,
 	)
@@ -172,11 +180,12 @@ func GetHook(hookID int) (hook Hook, err error) { // {{{
 			to_json(res)
 		FROM (
 			SELECT
-			   h.id,
-			   h.ssh,
-			   h.env,
-			   (SELECT to_json(node) FROM node WHERE id = h.node_id) AS node,
-			   (SELECT to_json(script) FROM script WHERE id = h.script_id) AS script
+				h.id,
+				h.ssh,
+				h.env,
+				h.schedule_on_child_update,
+				(SELECT to_json(node) FROM node WHERE id = h.node_id) AS node,
+				(SELECT to_json(script) FROM script WHERE id = h.script_id) AS script
 			FROM hook h
 			WHERE
 				h.id = $1
@@ -198,7 +207,20 @@ func GetHook(hookID int) (hook Hook, err error) { // {{{
 } // }}}
 func UpdateHook(hook Hook) (err error) { // {{{
 	j, _ := json.Marshal(hook.Env)
-	_, err = db.Exec(`UPDATE hook SET ssh=$2, env=$3 WHERE id=$1`, hook.ID, strings.TrimSpace(hook.SSH), j)
+	_, err = db.Exec(`
+		UPDATE hook
+		SET
+			ssh=$2,
+			env=$3,
+			schedule_on_child_update=$4
+		WHERE
+			id=$1
+		`,
+		hook.ID,
+		strings.TrimSpace(hook.SSH),
+		j,
+		hook.ScheduleOnChildUpdate,
+	)
 	if err != nil {
 		err = werr.Wrap(err)
 		return
@@ -259,6 +281,58 @@ func ScheduleHook(hookID int) (err error) { // {{{
 
 	return
 } // }}}
+func ScheduleHookRecursivelyUpwards(nodeID int) (err error) { // {{{
+	var rows *sql.Rows
+	rows, err = db.Query(`
+		WITH RECURSIVE rec AS (
+			SELECT
+				id,
+				parent_id
+			FROM public.node
+			WHERE
+				id = $1
+
+			UNION ALL
+			
+			SELECT 
+				n.id,
+				n.parent_id
+			FROM node n
+			INNER JOIN rec ON n.id = rec.parent_id
+		)
+
+		SELECT
+			hook.id
+		FROM rec
+		INNER JOIN hook ON
+			hook.node_id = rec.id AND
+			hook.schedule_on_child_update
+		`,
+		nodeID,
+	)
+	if err != nil {
+		err = werr.Wrap(err)
+		return
+	}
+	defer rows.Close()
+
+	for rows.Next() {
+		var hookID int
+		err = rows.Scan(&hookID)
+		if err != nil {
+			err = werr.Wrap(err)
+			return
+		}
+
+		err = ScheduleHook(hookID)
+		if err != nil {
+			err = werr.Wrap(err)
+			return
+		}
+	}
+
+	return
+} // }}}
 
 func ScriptPreservedID(name, source string) (id int, err error) { // {{{
 	sum := md5.Sum([]byte(source))

sql/0018.sql

@@ -0,0 +1 @@
+ALTER TABLE public.hook DROP CONSTRAINT hook_unique;

sql/0019.sql

@@ -0,0 +1 @@
+ALTER TABLE public.hook ADD schedule_on_child_update bool DEFAULT false NOT NULL;

static/js/app.mjs

@@ -1464,6 +1464,7 @@ class ScriptHookDialog extends Component {
 
 		this.env = null
 		this.ssh = null
+		this.schedule_on_child_update = null
 	}// }}}
 	renderComponent() {// {{{
 		const div = document.createElement('div')
@@ -1472,9 +1473,16 @@ class ScriptHookDialog extends Component {
 				<div class="header"></div>
 				<img src="/images/${_VERSION}/node_modules/@mdi/svg/svg/trash-can.svg">
 			</div>
+
 			<div class="label">SSH</div>
 			<div><input type="text" class="ssh" style="width: 100%" /></div>
 
+			<div class="label">Schedule automatically</div>
+			<div>
+				<input type="checkbox" class="schedule-on-child" id="schedule-on-child" />
+				<label for="schedule-on-child">on child update</label>
+			</div>
+
 			<div class="label">
 				Environment
 			</div>
@@ -1499,6 +1507,9 @@ class ScriptHookDialog extends Component {
 		this.env = div.querySelector('.env')
 		this.env.value = JSON.stringify(this.hook.Env, null, "  ")
 
+		this.schedule_on_child_update = div.querySelector('.schedule-on-child')
+		this.schedule_on_child_update.checked = this.hook.ScheduleOnChildUpdate
+
 		const button = div.querySelector('button')
 		this.env.addEventListener('keydown', event => {
 			if (event.ctrlKey && event.key == 's') {
@@ -1527,6 +1538,7 @@ class ScriptHookDialog extends Component {
 		try {
 			this.hook.Env = JSON.parse(this.env.value)
 			this.hook.SSH = this.ssh.value.trim()
+			this.hook.ScheduleOnChildUpdate = this.schedule_on_child_update.checked
 			window._app.query('/hooks/update', this.hook)
 				.then(() => {
 					this.callback()
@@ -1659,7 +1671,7 @@ class ScriptExecutionValueDialog extends Component {
 
 		this.value = null
 	}// }}}
-	getValue(execution) {
+	getValue(execution) {// {{{
 		switch (this.valueName) {
 			case 'Source':
 				return execution.Source
@@ -1677,7 +1689,7 @@ class ScriptExecutionValueDialog extends Component {
 			case 'OutputStderr':
 				return execution[this.valueName]?.String
 		}
-	}
+	}// }}}
 	renderComponent() {// {{{
 		const div = document.createElement('div')
 		div.innerHTML = `
@@ -1710,5 +1722,4 @@ class ScriptExecutionValueDialog extends Component {
 	}// }}}
 }
 
-
 // vim: foldmethod=marker

webserver.go

@@ -51,7 +51,7 @@ func initWebserver() (err error) {
 	http.HandleFunc("/scripts/", actionScripts)
 	http.HandleFunc("/scripts/update/{scriptID}", actionScriptUpdate)
 	http.HandleFunc("/scripts/delete/{scriptID}", actionScriptDelete)
-	http.HandleFunc("/hooks/search", actionScriptsSearch)
+	http.HandleFunc("/scripts/search", actionScriptsSearch)
 	http.HandleFunc("/hooks/update", actionHookUpdate)
 	http.HandleFunc("/hooks/delete/{hookID}", actionHookDelete)
 	http.HandleFunc("/hooks/schedule/{hookID}", actionHookSchedule)
@@ -173,6 +173,14 @@ func actionNodeUpdate(w http.ResponseWriter, r *http.Request) { // {{{
 		return
 	}
 
+	// Recursively schedule hooks with automatic trigger.
+	err = ScheduleHookRecursivelyUpwards(nodeID)
+	if err != nil {
+		err = werr.Wrap(err)
+		httpError(w, err)
+		return
+	}
+
 	out := struct {
 		OK bool
 	}{
@@ -605,7 +613,7 @@ func actionScripts(w http.ResponseWriter, r *http.Request) { // {{{
 	}
 
 	out := struct {
-		OK bool
+		OK      bool
 		Scripts []Script
 	}{
 		true,
@@ -629,7 +637,7 @@ func actionScriptUpdate(w http.ResponseWriter, r *http.Request) { // {{{
 	}
 
 	out := struct {
-		OK bool
+		OK     bool
 		Script Script
 	}{
 		true,
@@ -678,7 +686,7 @@ func actionScriptsSearch(w http.ResponseWriter, r *http.Request) { // {{{
 	}
 
 	out := struct {
-		OK bool
+		OK      bool
 		Scripts []Script
 	}{
 		true,
@@ -763,7 +771,7 @@ func actionScriptExecutions(w http.ResponseWriter, r *http.Request) { // {{{
 	}
 
 	out := struct {
-		OK bool
+		OK               bool
 		ScriptExecutions []ScriptExecutionBrief
 	}{
 		true,
@@ -785,7 +793,7 @@ func actionScriptExecutionGet(w http.ResponseWriter, r *http.Request) { // {{{
 	}
 
 	out := struct {
-		OK bool
+		OK              bool
 		ScriptExecution ScriptExecution
 	}{
 		true,