Implemented basic functions

2024-04-30 08:04:16 +02:00 · 2024-04-30 08:04:16 +02:00 · 965e2daeb3
commit 965e2daeb3
parent 89f483171a
22 changed files with 711 additions and 58 deletions
--- a/datapoint.go
+++ b/datapoint.go
@ -3,9 +3,12 @@ package main
 import (
 	// External
 	we "git.gibonuddevalla.se/go/wrappederror"
+	"github.com/jmoiron/sqlx"

 	// Standard
 	"database/sql"
+	"errors"
+	"strings"
 	"time"
 )

@ -20,7 +23,6 @@ const (
 type Datapoint struct {
 	ID                 int
 	Name               string
-	SectionID          int `db:"section_id"`
 	Datatype           DatapointType
 	LastValue          time.Time `db:"last_value"`
 	DatapointValueJSON []byte    `db:"datapoint_value_json"`
@ -36,20 +38,53 @@ type DatapointValue struct {
 	ValueDateTime sql.NullTime   `db:"value_datetime"`
 }

-func (dp DatapointValue) Value() any {
+func (dp DatapointValue) Value() any { // {{{
 	if dp.ValueInt.Valid {
 		return dp.ValueInt.Int64
 	}
+
 	if dp.ValueString.Valid {
 		return dp.ValueString.String
 	}
+
 	if dp.ValueDateTime.Valid {
 		return dp.ValueDateTime.Time
 	}
+
 	return nil
+} // }}}
+func (dp DatapointValue) FormattedTime() string {
+	if dp.ValueDateTime.Valid {
+		return dp.ValueDateTime.Time.Format("2006-01-02 15:04:05")
+	}
+	return "invalid time"
+}
+func (dp Datapoint) Update() (err error) {
+	name := strings.TrimSpace(dp.Name)
+	if name == "" {
+		err = errors.New("Name can't be empty")
+		return
 	}

-func DatapointAdd[T any](name string, value T) (err error) {
+	if dp.ID == 0 {
+		_, err = service.Db.Conn.Exec(
+			`INSERT INTO datapoint(name, datatype) VALUES($1, $2)`,
+			name,
+			dp.Datatype,
+		)
+	} else {
+		_, err = service.Db.Conn.Exec(
+			`UPDATE datapoint SET name=$2, datatype=$3 WHERE id=$1`,
+			dp.ID,
+			name,
+			dp.Datatype,
+		)
+	}
+
+	return
+}
+
+func DatapointAdd[T any](name string, value T) (err error) { // {{{
 	row := service.Db.Conn.QueryRow(`SELECT id, datatype FROM datapoint WHERE name=$1`, name)

 	var dpID int
@ -81,13 +116,94 @@ func DatapointAdd[T any](name string, value T) (err error) {
 	}

 	return
+} // }}}
+
+func DatapointsRetrieve() (dps []Datapoint, err error) { // {{{
+	dps = []Datapoint{}
+	var rows *sqlx.Rows
+	rows, err = service.Db.Conn.Queryx(`
+		SELECT
+			dp.id,
+			dp.name,
+			dp.datatype,
+			dp.last_value,
+
+			dpv.id AS v_id,
+			dpv.ts,
+			dpv.value_int,
+			dpv.value_string,
+			dpv.value_datetime
+
+		FROM public.datapoint dp
+		LEFT JOIN (
+			SELECT
+				*, 
+				row_number() OVER (PARTITION BY "datapoint_id" ORDER BY ts DESC) AS rn
+			FROM datapoint_value
+		) dpv ON dpv.datapoint_id = dp.id AND rn = 1
+		ORDER BY
+			dp.name ASC
+	`)
+	if err != nil {
+		err = we.Wrap(err)
+	}
+	defer rows.Close()
+
+	type DbRes struct {
+		ID        int
+		Name      string
+		Datatype  DatapointType
+		LastValue time.Time `db:"last_value"`
+
+		VID           sql.NullInt64 `db:"v_id"`
+		Ts            sql.NullTime
+		ValueInt      sql.NullInt64  `db:"value_int"`
+		ValueString   sql.NullString `db:"value_string"`
+		ValueDateTime sql.NullTime   `db:"value_datetime"`
 	}

-func DatapointRetrieve(name string) (dp Datapoint, err error) {
-	row := service.Db.Conn.QueryRowx(
-		`SELECT * FROM datapoint dp WHERE dp.name = $1`,
-		name,
-	)
+	for rows.Next() {
+		dp := Datapoint{}
+		dpv := DatapointValue{}
+		res := DbRes{}
+		err = rows.StructScan(&res)
+		if err != nil {
+			err = we.Wrap(err)
+			return
+		}
+
+		dp.ID = res.ID
+		dp.Name = res.Name
+		dp.Datatype = res.Datatype
+		dp.LastValue = res.LastValue
+
+		if res.VID.Valid {
+			dpv.ID = int(res.VID.Int64)
+			dpv.Ts = res.Ts.Time
+			dpv.ValueInt = res.ValueInt
+			dpv.ValueString = res.ValueString
+			dpv.ValueDateTime = res.ValueDateTime
+
+			dp.LastDatapointValue = dpv
+		}
+
+		dps = append(dps, dp)
+	}
+	return
+} // }}}
+func DatapointRetrieve(id int, name string) (dp Datapoint, err error) { // {{{
+	var query string
+	var param any
+	if id > 0 {
+		query = `SELECT * FROM datapoint WHERE id = $1`
+		param = id
+		dp.ID = id
+	} else {
+		query = `SELECT * FROM datapoint WHERE name = $1`
+		param = name
+	}
+
+	row := service.Db.Conn.QueryRowx(query, param)
 	err = row.StructScan(&dp)
 	if err != nil {
 		err = we.Wrap(err).WithData(name)
@ -104,9 +220,15 @@ func DatapointRetrieve(name string) (dp Datapoint, err error) {
 		dp.ID,
 	)
 	err = row.StructScan(&dp.LastDatapointValue)
+	if err == sql.ErrNoRows {
+		err = nil
+		return
+	}
+
 	if err != nil {
 		err = we.Wrap(err).WithData(dp.ID)
 		return
 	}
+
 	return
-}
+} // }}}
--- a/main.go
+++ b/main.go
@ -20,6 +20,7 @@ import (
 	"path"
 	"sort"
 	"strconv"
+	"time"
 )

 const VERSION = "v1"
@ -88,8 +89,23 @@ func main() { // {{{
 	service.SetDatabase(sqlProvider)
 	service.SetStaticFS(staticFS, "static")
 	service.SetStaticDirectory("static", flagDev)
+	service.InitDatabaseConnection()
+	err = service.Db.Connect()
+	if err != nil {
+		logger.Error("application", "error", err)
+		return
+	}
+	_, err = service.Db.Conn.Exec(`SET TIMEZONE TO 'Europe/Stockholm'`)
+	if err != nil {
+		logger.Error("application", "error", err)
+		return
+	}
+
 	service.Register("/", false, false, staticHandler)
 	service.Register("/problems", false, false, pageProblems)
+	service.Register("/datapoints", false, false, pageDatapoints)
+	service.Register("/datapoint/edit/{id}", false, false, pageDatapointEdit)
+	service.Register("/datapoint/update/{id}", false, false, pageDatapointUpdate)
 	service.Register("/triggers", false, false, pageTriggers)
 	service.Register("/trigger/edit/{id}", false, false, pageTriggerEdit)
 	service.Register("/trigger/update/{id}", false, false, pageTriggerUpdate)
@ -187,21 +203,26 @@ func getPage(layout, page string) (tmpl *template.Template, err error) { // {{{
 		return tmpl, nil
 	}

+	funcMap := template.FuncMap{
+		"format_time": func(t time.Time) string {
+			return t.Local().Format("2006-01-02 15:04:05")
+		},
+	}
+
 	filenames := []string{layoutFilename, pageFilename}
 	filenames = append(filenames, componentFilenames...)
 	logger.Info("template", "op", "parse", "layout", layout, "page", page, "filenames", filenames)
 	if flagDev {
-		parsedTemplates[page], err = template.ParseFS(os.DirFS("."), filenames...)
+		tmpl, err = template.New("main.gotmpl").Funcs(funcMap).ParseFS(os.DirFS("."), filenames...)
 	} else {
-		parsedTemplates[page], err = template.ParseFS(viewFS, filenames...)
+		tmpl, err = template.New("main.gotmpl").ParseFS(viewFS, filenames...)
 	}
-	tmpl = parsedTemplates[page]
-
 	if err != nil {
 		err = we.Wrap(err).Log()
 		return
 	}

+	parsedTemplates[page] = tmpl
 	return
 } // }}}

@ -237,6 +258,80 @@ func pageProblems(w http.ResponseWriter, _ *http.Request, _ *session.T) { // {{{
 	page.Render(w)
 	return
 } // }}}
+func pageDatapoints(w http.ResponseWriter, _ *http.Request, _ *session.T) { // {{{
+	page := Page{
+		LAYOUT: "main",
+		PAGE:   "datapoints",
+	}
+
+	datapoints, err := DatapointsRetrieve()
+	if err != nil {
+		httpError(w, we.Wrap(err).Log())
+		return
+	}
+	logger.Info("FOO", "dps", datapoints)
+
+	page.Data = map[string]any{
+		"Datapoints": datapoints,
+	}
+	page.Render(w)
+	return
+} // }}}
+func pageDatapointEdit(w http.ResponseWriter, r *http.Request, _ *session.T) { // {{{
+	idStr := r.PathValue("id")
+	id, err := strconv.Atoi(idStr)
+	if err != nil {
+		httpError(w, we.Wrap(err).Log())
+		return
+	}
+
+	var datapoint Datapoint
+	if id == 0 {
+		datapoint.Name = "new_datapoint"
+		datapoint.Datatype = "INT"
+	} else {
+		datapoint, err = DatapointRetrieve(id, "")
+		if err != nil {
+			httpError(w, we.Wrap(err).Log())
+			return
+		}
+	}
+
+	page := Page{
+		LAYOUT: "main",
+		PAGE:   "datapoint_edit",
+		MENU:   "datapoints",
+		Icon:   "datapoints",
+		Label:  "Datapoint",
+	}
+
+	page.Data = map[string]any{
+		"Datapoint": datapoint,
+	}
+	page.Render(w)
+	return
+} // }}}
+func pageDatapointUpdate(w http.ResponseWriter, r *http.Request, _ *session.T) { // {{{
+	idStr := r.PathValue("id")
+	id, err := strconv.Atoi(idStr)
+	if err != nil {
+		httpError(w, we.Wrap(err).Log())
+		return
+	}
+
+	var dp Datapoint
+	dp.ID = id
+	dp.Name = r.FormValue("name")
+	dp.Datatype = DatapointType(r.FormValue("datatype"))
+	err = dp.Update()
+	if err != nil {
+		httpError(w, we.Wrap(err).Log())
+		return
+	}
+
+	w.Header().Add("Location", "/datapoints")
+	w.WriteHeader(302)
+} // }}}
 func pageTriggers(w http.ResponseWriter, _ *http.Request, _ *session.T) { // {{{
 	areas, err := TriggersRetrieve()
 	if err != nil {
@ -275,7 +370,7 @@ func pageTriggerEdit(w http.ResponseWriter, r *http.Request, _ *session.T) { //

 	datapoints := make(map[string]Datapoint)
 	for _, dpname := range trigger.Datapoints {
-		dp, err := DatapointRetrieve(dpname)
+		dp, err := DatapointRetrieve(0, dpname)
 		if err != nil {
 			httpError(w, we.Wrap(err).Log())
 			return
@ -320,7 +415,7 @@ func pageTriggerUpdate(w http.ResponseWriter, r *http.Request, _ *session.T) { /
 		return
 	}

-	w.Header().Add("Location", fmt.Sprintf("/trigger/edit/%d", id))
+	w.Header().Add("Location", "/triggers")
 	w.WriteHeader(302)
 } // }}}
 func pageTriggerRun(w http.ResponseWriter, r *http.Request, _ *session.T) { // {{{
@ -343,7 +438,7 @@ func pageTriggerRun(w http.ResponseWriter, r *http.Request, _ *session.T) { // {

 	datapoints := make(map[string]Datapoint)
 	for _, dpname := range trigger.Datapoints {
-		dp, err := DatapointRetrieve(dpname)
+		dp, err := DatapointRetrieve(0, dpname)
 		if err != nil {
 			httpError(w, we.Wrap(err).Log())
 			return
--- a/page.go
+++ b/page.go
@ -52,6 +52,7 @@ func (p *Page) Render(w http.ResponseWriter) {
 		"Data":    p.Data,
 	}

+	logger.Info("foo", "tmpl", tmpl)
 	err = tmpl.Execute(w, data)
 	if err != nil {
 		httpError(w, we.Wrap(err).Log())
--- a/sql/00006.sql
+++ b/sql/00006.sql
@ -0,0 +1,9 @@
+CREATE TABLE public.problem (
+	id serial8 NOT NULL,
+	trigger_id int4 NOT NULL,
+	"start" timestamptz DEFAULT now() NOT NULL,
+	"end" timestamptz NULL,
+	acknowledged bool DEFAULT false NOT NULL,
+	CONSTRAINT problem_pk PRIMARY KEY (id),
+	CONSTRAINT problem_trigger_fk FOREIGN KEY (trigger_id) REFERENCES public."trigger"(id) ON DELETE CASCADE ON UPDATE CASCADE
+);
--- a/sql/00007.sql
+++ b/sql/00007.sql
@ -0,0 +1 @@
+ALTER TABLE datapoint DROP COLUMN section_id;
--- a/static/css/datapoints.css
+++ b/static/css/datapoints.css
@ -0,0 +1,115 @@
+html {
+  box-sizing: border-box;
+}
+*,
+*:before,
+*:after {
+  box-sizing: inherit;
+}
+*:focus {
+  outline: none;
+}
+[onClick] {
+  cursor: pointer;
+}
+html,
+body {
+  margin: 0;
+  padding: 0;
+}
+body {
+  background: #282828;
+  font-family: "Roboto", sans-serif;
+  font-weight: 300;
+  color: #d5c4a1;
+  font-size: 11pt;
+}
+h1,
+h2 {
+  margin-top: 0px;
+  margin-bottom: 4px;
+}
+h1 {
+  font-size: 1.5em;
+  color: #fb4934;
+}
+h2 {
+  font-size: 1.25em;
+}
+a {
+  color: #3f9da1;
+  text-decoration: none;
+}
+a:hover {
+  text-decoration: underline;
+}
+b {
+  font-weight: 500;
+}
+.roboto-light {
+  font-family: "Roboto", sans-serif;
+  font-weight: 300;
+  font-style: normal;
+}
+.roboto-medium {
+  font-family: "Roboto", sans-serif;
+  font-weight: 500;
+  font-style: normal;
+}
+input[type="text"],
+textarea,
+select {
+  font-family: "Roboto Mono", monospace;
+  background: #202020;
+  color: #d5c4a1;
+  padding: 4px 8px;
+  border: none;
+  font-size: 1em;
+}
+button {
+  background: #202020;
+  color: #d5c4a1;
+  padding: 8px 32px;
+  border: 1px solid #3a3a3a;
+  font-size: 1em;
+  height: 3em;
+}
+button:focus {
+  background: #333;
+}
+#datapoints {
+  display: grid;
+  grid-template-columns: repeat(4, min-content);
+  grid-gap: 8px 16px;
+  margin-top: 16px;
+}
+#datapoints .header {
+  font-weight: 500;
+}
+#datapoints div {
+  white-space: nowrap;
+}
+.widgets {
+  display: grid;
+  grid-template-columns: min-content 1fr;
+  gap: 8px 16px;
+}
+.widgets .label {
+  margin-top: 4px;
+}
+.widgets input[type="text"],
+.widgets textarea {
+  width: 100%;
+}
+.widgets .datapoints {
+  font: "Roboto Mono", monospace;
+  display: grid;
+  grid-template-columns: min-content 1fr;
+  gap: 6px 8px;
+  margin-bottom: 8px;
+}
+.widgets .action {
+  display: grid;
+  grid-template-columns: min-content min-content;
+  grid-gap: 8px;
+}
--- a/static/css/main.css
+++ b/static/css/main.css
@ -20,6 +20,7 @@ body {
 body {
  background: #282828;
  font-family: "Roboto", sans-serif;
+  font-weight: 300;
  color: #d5c4a1;
  font-size: 11pt;
 }
@ -35,6 +36,16 @@ h1 {
 h2 {
  font-size: 1.25em;
 }
+a {
+  color: #3f9da1;
+  text-decoration: none;
+}
+a:hover {
+  text-decoration: underline;
+}
+b {
+  font-weight: 500;
+}
 .roboto-light {
  font-family: "Roboto", sans-serif;
  font-weight: 300;
@ -46,7 +57,8 @@ h2 {
  font-style: normal;
 }
 input[type="text"],
-textarea {
+textarea,
+select {
  font-family: "Roboto Mono", monospace;
  background: #202020;
  color: #d5c4a1;
@ -62,6 +74,9 @@ button {
  font-size: 1em;
  height: 3em;
 }
+button:focus {
+  background: #333;
+}
 #layout {
  display: grid;
  grid-template-areas: "menu content";
@ -94,6 +109,7 @@ button {
  margin-bottom: 32px;
 }
 #page .page-label div {
+  font-weight: 500;
  font-size: 1.5em;
  color: #fb4934;
 }
@ -113,7 +129,7 @@ button {
 #areas .area > .name {
  background: #fb4934;
  color: #fff;
-  font-weight: bold;
+  font-weight: 500;
  padding: 4px 16px;
  border-top-left-radius: 4px;
  border-top-right-radius: 4px;
@ -122,7 +138,7 @@ button {
  margin: 8px 16px;
 }
 #areas .area .section > .name {
-  font-weight: bold;
+  font-weight: 500;
 }
 #areas .area .section .triggers a {
  color: inherit;
@ -139,5 +155,5 @@ button {
  height: 16px;
 }
 #areas .area .section .triggers .trigger .label {
-  color: #f7edd7;
+  color: #3f9da1;
 }
--- a/static/css/theme.css
+++ b/static/css/theme.css
@ -20,6 +20,7 @@ body {
 body {
  background: #282828;
  font-family: "Roboto", sans-serif;
+  font-weight: 300;
  color: #d5c4a1;
  font-size: 11pt;
 }
@ -35,6 +36,16 @@ h1 {
 h2 {
  font-size: 1.25em;
 }
+a {
+  color: #3f9da1;
+  text-decoration: none;
+}
+a:hover {
+  text-decoration: underline;
+}
+b {
+  font-weight: 500;
+}
 .roboto-light {
  font-family: "Roboto", sans-serif;
  font-weight: 300;
@ -46,7 +57,8 @@ h2 {
  font-style: normal;
 }
 input[type="text"],
-textarea {
+textarea,
+select {
  font-family: "Roboto Mono", monospace;
  background: #202020;
  color: #d5c4a1;
@ -62,3 +74,6 @@ button {
  font-size: 1em;
  height: 3em;
 }
+button:focus {
+  background: #333;
+}
--- a/static/css/trigger_edit.css
+++ b/static/css/trigger_edit.css
@ -20,6 +20,7 @@ body {
 body {
  background: #282828;
  font-family: "Roboto", sans-serif;
+  font-weight: 300;
  color: #d5c4a1;
  font-size: 11pt;
 }
@ -35,6 +36,16 @@ h1 {
 h2 {
  font-size: 1.25em;
 }
+a {
+  color: #3f9da1;
+  text-decoration: none;
+}
+a:hover {
+  text-decoration: underline;
+}
+b {
+  font-weight: 500;
+}
 .roboto-light {
  font-family: "Roboto", sans-serif;
  font-weight: 300;
@ -46,7 +57,8 @@ h2 {
  font-style: normal;
 }
 input[type="text"],
-textarea {
+textarea,
+select {
  font-family: "Roboto Mono", monospace;
  background: #202020;
  color: #d5c4a1;
@ -62,6 +74,9 @@ button {
  font-size: 1em;
  height: 3em;
 }
+button:focus {
+  background: #333;
+}
 .widgets {
  display: grid;
  grid-template-columns: min-content 1fr;
--- a/static/images/datapoints.svg
+++ b/static/images/datapoints.svg
@ -0,0 +1,51 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   width="32.000126"
+   height="17.454464"
+   viewBox="0 0 8.4667 4.6181601"
+   version="1.1"
+   id="svg1"
+   inkscape:version="1.3.2 (091e20e, 2023-11-25)"
+   sodipodi:docname="datapoints.svg"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <sodipodi:namedview
+     id="namedview1"
+     pagecolor="#ffffff"
+     bordercolor="#000000"
+     borderopacity="0.25"
+     inkscape:showpageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
+     inkscape:document-units="px"
+     inkscape:zoom="8.516629"
+     inkscape:cx="7.9843798"
+     inkscape:cy="-12.622365"
+     inkscape:window-width="1916"
+     inkscape:window-height="1041"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="layer1" />
+  <defs
+     id="defs1" />
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(-102.9229,-148.76801)">
+    <title
+       id="title1">file-chart</title>
+    <title
+       id="title1-6">chart-timeline-variant</title>
+    <path
+       d="m 103.69267,151.8468 0.19242,0.0269 1.75874,-1.75874 c -0.0692,-0.25015 -0.004,-0.53493 0.20012,-0.73505 0.30018,-0.30402 0.78508,-0.30402 1.08527,0 0.20396,0.20012 0.26937,0.4849 0.20011,0.73505 l 0.98905,0.98905 0.19242,-0.0269 c 0.0692,0 0.13469,0 0.19242,0.0269 l 1.37389,-1.37389 c -0.0269,-0.0577 -0.0269,-0.1232 -0.0269,-0.19242 a 0.76968815,0.76968815 0 0 1 0.76969,-0.76969 0.76968815,0.76968815 0 0 1 0.7697,0.76969 0.76968815,0.76968815 0 0 1 -0.7697,0.76968 c -0.0692,0 -0.13469,0 -0.19242,-0.0269 l -1.37389,1.3739 c 0.0269,0.0577 0.0269,0.1232 0.0269,0.19242 a 0.76968815,0.76968815 0 0 1 -0.76969,0.76968 0.76968815,0.76968815 0 0 1 -0.76969,-0.76968 l 0.0269,-0.19242 -0.98904,-0.98905 c -0.1232,0.0269 -0.2617,0.0269 -0.38485,0 l -1.75873,1.75873 0.0269,0.19242 a 0.76968815,0.76968815 0 0 1 -0.7697,0.76969 0.76968815,0.76968815 0 0 1 -0.76969,-0.76969 0.76968815,0.76968815 0 0 1 0.76969,-0.76968 z"
+       id="path1-2"
+       style="stroke-width:0.384844;fill:#777777;fill-opacity:1" />
+  </g>
+</svg>
--- a/static/images/datapoints_selected.svg
+++ b/static/images/datapoints_selected.svg
@ -0,0 +1,49 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   width="8.4666996mm"
+   height="4.6181598mm"
+   viewBox="0 0 8.4666996 4.6181597"
+   version="1.1"
+   id="svg1"
+   inkscape:version="1.3.2 (091e20e, 2023-11-25)"
+   sodipodi:docname="datapoints_selected.svg"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <sodipodi:namedview
+     id="namedview1"
+     pagecolor="#ffffff"
+     bordercolor="#000000"
+     borderopacity="0.25"
+     inkscape:showpageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
+     inkscape:document-units="mm"
+     inkscape:zoom="3.1691345"
+     inkscape:cx="-0.9466307"
+     inkscape:cy="-2.3665768"
+     inkscape:window-width="1916"
+     inkscape:window-height="1041"
+     inkscape:window-x="0"
+     inkscape:window-y="18"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="layer1" />
+  <defs
+     id="defs1" />
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(-100.80625,-145.78542)">
+    <title
+       id="title1">file-chart</title>
+    <path
+       d="m 101.57602,148.86421 0.19242,0.0269 1.75874,-1.75874 c -0.0692,-0.25015 -0.004,-0.53493 0.20012,-0.73505 0.30018,-0.30402 0.78508,-0.30402 1.08527,0 0.20396,0.20012 0.26937,0.4849 0.20011,0.73505 l 0.98905,0.98905 0.19242,-0.0269 c 0.0692,0 0.13469,0 0.19242,0.0269 l 1.37389,-1.37389 c -0.0269,-0.0577 -0.0269,-0.1232 -0.0269,-0.19242 a 0.76968815,0.76968815 0 0 1 0.76969,-0.76969 0.76968815,0.76968815 0 0 1 0.7697,0.76969 0.76968815,0.76968815 0 0 1 -0.7697,0.76968 c -0.0692,0 -0.13469,0 -0.19242,-0.0269 l -1.37389,1.3739 c 0.0269,0.0577 0.0269,0.1232 0.0269,0.19242 a 0.76968815,0.76968815 0 0 1 -0.76969,0.76968 0.76968815,0.76968815 0 0 1 -0.76969,-0.76968 l 0.0269,-0.19242 -0.98904,-0.98905 c -0.1232,0.0269 -0.2617,0.0269 -0.38485,0 l -1.75873,1.75873 0.0269,0.19242 a 0.76968815,0.76968815 0 0 1 -0.7697,0.76969 0.76968815,0.76968815 0 0 1 -0.76969,-0.76969 0.76968815,0.76968815 0 0 1 0.76969,-0.76968 z"
+       id="path1-2"
+       style="font-variation-settings:normal;opacity:1;vector-effect:none;fill:#fb4934;fill-opacity:1;stroke-width:0.529166;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;-inkscape-stroke:none;stop-color:#000000;stop-opacity:1" />
+  </g>
+</svg>
--- a/static/images/triggers.svg
+++ b/static/images/triggers.svg
@ -2,12 +2,12 @@
 <!-- Created with Inkscape (http://www.inkscape.org/) -->

 <svg
-   width="32"
+   width="31.99999"
   height="32.000011"
-   viewBox="0 0 8.4666665 8.4666699"
+   viewBox="0 0 8.466664 8.4666699"
   version="1.1"
   id="svg8"
-   inkscape:version="1.3.2 (1:1.3.2+202311252150+091e20ef0f)"
+   inkscape:version="1.3.2 (091e20e, 2023-11-25)"
   sodipodi:docname="triggers.svg"
   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
@ -26,16 +26,16 @@
     inkscape:pageopacity="0.0"
     inkscape:pageshadow="2"
     inkscape:zoom="1"
-     inkscape:cx="7.5"
-     inkscape:cy="4"
+     inkscape:cx="7"
+     inkscape:cy="3.5"
     inkscape:document-units="px"
     inkscape:current-layer="layer1"
     showgrid="false"
     units="px"
-     inkscape:window-width="2190"
-     inkscape:window-height="1404"
-     inkscape:window-x="1463"
-     inkscape:window-y="16"
+     inkscape:window-width="1916"
+     inkscape:window-height="1041"
+     inkscape:window-x="0"
+     inkscape:window-y="18"
     inkscape:window-maximized="0"
     inkscape:showpageshadow="true"
     inkscape:pagecheckerboard="0"
@ -61,9 +61,11 @@
       id="title1">script-text</title>
    <title
       id="title1-6">script-text-outline</title>
+    <title
+       id="title1-9">calculator-variant-outline</title>
    <path
-       d="m 92.551251,156.05126 a 0.42333338,0.42333371 0 0 0 0.423332,-0.42334 v -6.35001 h -3.386666 a 0.42333338,0.42333371 0 0 0 -0.423334,0.42334 v 4.65666 h -0.846666 v -4.65666 a 1.2700002,1.2700012 0 0 1 1.27,-1.27 h 4.656667 a 1.2700002,1.2700012 0 0 1 1.27,1.27 v 0.42333 h -0.846666 v -0.42333 a 0.42333338,0.42333371 0 0 0 -0.423334,-0.42334 0.42333338,0.42333371 0 0 0 -0.423333,0.42334 v 1.69333 4.23334 a 1.2700002,1.2700012 0 0 1 -1.27,1.27 h -4.233334 a 1.2700002,1.2700012 0 0 1 -1.27,-1.27 v -0.42333 h 4.656666 a 0.84666678,0.84666745 0 0 0 0.846668,0.84667 m -2.540001,-5.92668 h 2.116668 v 0.84667 H 90.01125 v -0.84667 m 0,1.69333 h 2.116668 v 0.84667 H 90.01125 v -0.84667 m 0,1.69334 h 2.116668 v 0.84666 H 90.01125 Z"
-       id="path1"
-       style="stroke-width:0.423333;fill:#777777;fill-opacity:1" />
+       d="m 94.573842,148.43125 h -6.585184 c -0.517408,0 -0.940741,0.42334 -0.940741,0.94075 v 6.58517 c 0,0.51742 0.423333,0.94075 0.940741,0.94075 h 6.585184 c 0.517409,0 0.940739,-0.42333 0.940739,-0.94075 V 149.372 c 0,-0.51741 -0.42333,-0.94075 -0.940739,-0.94075 m 0,7.52592 H 87.988658 V 149.372 h 6.585184 v 6.58517 m -6.020739,-5.31518 h 2.35185 v 0.70556 h -2.35185 v -0.70556 m 3.198517,3.81001 h 2.351853 v 0.70554 H 91.75162 V 154.452 m 0,-1.22297 h 2.351853 v 0.70556 H 91.75162 v -0.70556 m -2.351851,2.25778 h 0.705556 v -0.94075 h 0.94074 v -0.70555 h -0.94074 v -0.94074 h -0.705556 v 0.94074 h -0.940741 v 0.70555 h 0.940741 v 0.94075 m 2.869259,-3.33963 0.658519,-0.65853 0.658518,0.65853 0.517408,-0.47037 -0.65852,-0.65852 0.65852,-0.65852 -0.517408,-0.51741 -0.658518,0.65853 -0.658519,-0.65853 -0.517408,0.51741 0.658519,0.65852 -0.658519,0.65852 z"
+       id="path1-1"
+       style="font-variation-settings:normal;opacity:1;vector-effect:none;fill:#777777;fill-opacity:1;stroke-width:0.423333;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;-inkscape-stroke:none;stop-color:#000000;stop-opacity:1" />
  </g>
 </svg>
--- a/static/images/triggers_selected.svg
+++ b/static/images/triggers_selected.svg
@ -2,12 +2,12 @@
 <!-- Created with Inkscape (http://www.inkscape.org/) -->

 <svg
-   width="32"
+   width="31.99999"
   height="32.000011"
-   viewBox="0 0 8.4666665 8.4666699"
+   viewBox="0 0 8.466664 8.4666699"
   version="1.1"
   id="svg8"
-   inkscape:version="1.3.2 (1:1.3.2+202311252150+091e20ef0f)"
+   inkscape:version="1.3.2 (091e20e, 2023-11-25)"
   sodipodi:docname="triggers_selected.svg"
   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
@ -26,16 +26,16 @@
     inkscape:pageopacity="0.0"
     inkscape:pageshadow="2"
     inkscape:zoom="1"
-     inkscape:cx="7.5"
-     inkscape:cy="4"
+     inkscape:cx="-4"
+     inkscape:cy="64.5"
     inkscape:document-units="px"
     inkscape:current-layer="layer1"
     showgrid="false"
     units="px"
-     inkscape:window-width="2190"
-     inkscape:window-height="1404"
-     inkscape:window-x="1463"
-     inkscape:window-y="16"
+     inkscape:window-width="1916"
+     inkscape:window-height="1041"
+     inkscape:window-x="0"
+     inkscape:window-y="18"
     inkscape:window-maximized="0"
     inkscape:showpageshadow="true"
     inkscape:pagecheckerboard="0"
@ -56,12 +56,14 @@
     inkscape:label="Layer 1"
     inkscape:groupmode="layer"
     id="layer1"
-     transform="translate(-87.047917,-148.43125)">
+     transform="translate(-89.918898,-132.29942)">
    <title
       id="title1">script-text</title>
+    <title
+       id="title1-9">calculator-variant</title>
    <path
-       d="m 93.736584,156.05125 c -0.169334,0.508 -0.635,0.84667 -1.185334,0.84667 h -4.233333 c -0.719667,0 -1.27,-0.55033 -1.27,-1.27 v -0.42334 h 1.27 3.894667 c 0.169333,0.508 0.635,0.84667 1.185333,0.84667 h 0.338667 m 0.508,-7.62 c 0.719666,0 1.27,0.55034 1.27,1.27 v 0.42333 h -0.846667 v -0.42333 c 0,-0.254 -0.169333,-0.42333 -0.423333,-0.42333 -0.254,0 -0.423334,0.16933 -0.423334,0.42333 v 5.50333 h -0.423333 c -0.254,0 -0.423333,-0.16933 -0.423333,-0.42333 v -0.42333 h -4.656667 v -4.65667 c 0,-0.71966 0.550333,-1.27 1.27,-1.27 h 4.656667 m -4.656667,1.69333 v 0.84667 h 2.963333 v -0.84667 h -2.963333 m 0,1.69334 v 0.84666 h 2.54 v -0.84666 z"
+       d="m 97.444823,132.29942 h -6.585184 c -0.517408,0 -0.940741,0.42334 -0.940741,0.94075 v 6.58517 c 0,0.51742 0.423333,0.94075 0.940741,0.94075 h 6.585184 c 0.517408,0 0.940742,-0.42333 0.940742,-0.94075 v -6.58517 c 0,-0.51741 -0.423334,-0.94075 -0.940742,-0.94075 m -2.822222,1.92852 0.517408,-0.51741 0.658519,0.65853 0.658518,-0.65853 0.517408,0.51741 -0.65852,0.65852 0.65852,0.65852 -0.517408,0.51741 -0.658518,-0.65853 -0.658519,0.65853 -0.517408,-0.51741 0.658519,-0.65852 -0.658519,-0.65852 m -3.198517,0.28222 h 2.35185 v 0.70556 h -2.35185 v -0.70556 m 2.492962,3.90407 h -0.94074 v 0.94075 H 92.27075 v -0.94075 h -0.940741 v -0.70555 h 0.940741 v -0.94074 h 0.705556 v 0.94074 h 0.94074 v 0.70555 m 3.057408,0.56444 h -2.351853 v -0.70554 h 2.351853 v 0.70554 m 0,-1.12889 h -2.351853 v -0.70554 h 2.351853 z"
       id="path1"
-       style="font-variation-settings:normal;opacity:1;vector-effect:none;fill:#fb4934;fill-opacity:1;stroke-width:0.691155;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;-inkscape-stroke:none;stop-color:#000000;stop-opacity:1" />
+       style="font-variation-settings:normal;opacity:1;vector-effect:none;fill:#fb4934;fill-opacity:1;stroke-width:1.22872;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;-inkscape-stroke:none;stop-color:#000000;stop-opacity:1" />
  </g>
 </svg>
--- a/static/js/datapoint_edit.mjs
+++ b/static/js/datapoint_edit.mjs
@ -0,0 +1,19 @@
+export class UI {
+	constructor() {
+		document.addEventListener('keydown', evt=>this.keyHandler(evt))
+		document.querySelector('input[name="name"]').focus()
+	}
+	keyHandler(evt) {
+		if (!(evt.altKey && evt.shiftKey))
+			return
+
+		evt.preventDefault()
+		evt.stopPropagation()
+
+		switch (evt.key) {
+			case 'S':
+				document.getElementById('form-trigger').submit()
+			break
+		}
+	}
+}
--- a/static/js/trigger_edit.mjs
+++ b/static/js/trigger_edit.mjs
@ -12,10 +12,20 @@ export class UI {
 		this.trigger.run()
 	}
 	keyHandler(evt) {
-		if (evt.altKey && evt.shiftKey && evt.key == 'R') {
+		if (!(evt.altKey && evt.shiftKey))
+			return
+
 		evt.preventDefault()
 		evt.stopPropagation()
+
+		switch (evt.key) {
+			case 'T':
 				this.run()
+			break
+
+			case 'S':
+				document.getElementById('form-trigger').submit()
+			break
 		}
 	}
 }
--- a/static/less/datapoints.less
+++ b/static/less/datapoints.less
@ -0,0 +1,44 @@
+@import "theme.less";
+
+#datapoints {
+	display: grid;
+	grid-template-columns: repeat(4, min-content);
+	grid-gap: 8px 16px;
+	margin-top: 16px;
+
+	.header {
+		font-weight: @bold;
+	}
+
+	div {
+		white-space: nowrap;
+	}
+}
+
+.widgets {
+	display: grid;
+	grid-template-columns: min-content 1fr;
+	gap: 8px 16px;
+
+	.label {
+		margin-top: 4px;
+	}
+
+	input[type="text"], textarea {
+		width: 100%;
+	}
+
+	.datapoints {
+		font: "Roboto Mono", monospace;
+		display: grid;
+		grid-template-columns: min-content 1fr;
+		gap: 6px 8px;
+		margin-bottom: 8px;
+	}
+
+	.action {
+		display: grid;
+		grid-template-columns: min-content min-content;
+		grid-gap: 8px;
+	}
+}
--- a/static/less/main.less
+++ b/static/less/main.less
@ -37,6 +37,7 @@
 		margin-bottom: 32px;

 		div {
+			font-weight: 500;
 			font-size: 1.5em;
 			color: @color1;
 		}
@ -61,7 +62,7 @@
 		&>.name {
 			background: @color1;
 			color: #fff;
-			font-weight: bold;
+			font-weight: 500;
 			padding: 4px 16px;
 			border-top-left-radius: 4px;
 			border-top-right-radius: 4px;
@ -71,7 +72,7 @@
 			margin: 8px 16px;

 			&>.name {
-				font-weight: bold;
+				font-weight: 500;
 			}

 			.triggers {
@ -93,7 +94,7 @@
 					}

 					.label {
-						color: @text2;
+						color: @color4;
 					}
 				}
 			}
--- a/static/less/theme.less
+++ b/static/less/theme.less
@ -7,6 +7,12 @@

@error: #fb4934;
@color1: #fb4934;
+@color2: #fabd2f;
+@color3: #b8bb26;
+@color4: #3f9da1;
+@color5: #fe8019;
+
+@bold: 500;

 html {
  box-sizing: border-box;
@ -33,6 +39,7 @@ body {
 body {
 	background: @bg1;
 	font-family: "Roboto", sans-serif;
+	font-weight: 300;
 	color: @text1;
 	font-size: 11pt;
 }
@ -51,6 +58,19 @@ h2 {
 	font-size: 1.25em;
 }

+a {
+	color: @color4;
+	text-decoration: none;
+
+	&:hover {
+		text-decoration: underline;
+	}
+}
+
+b {
+	font-weight: @bold;
+}
+
 .roboto-light {
 	font-family: "Roboto", sans-serif;
 	font-weight: 300;
@ -63,7 +83,7 @@ h2 {
 	font-style: normal;
 }

-input[type="text"], textarea {
+input[type="text"], textarea, select {
 	font-family: "Roboto Mono", monospace;
 	background: @bg2;
 	color: @text1;
@ -79,4 +99,8 @@ button {
 	border: 1px solid lighten(@bg2, 10%);
 	font-size: 1em;
 	height: 3em;
+
+	&:focus {
+		background: @bg3;
+	}
 }
--- a/views/components/menu.gotmpl
+++ b/views/components/menu.gotmpl
@ -2,6 +2,7 @@
 <div id="menu">
 	<a href="/"><img src="/images/{{ .VERSION }}/logo{{ if eq .MENU "index" }}_selected{{ end }}.svg"></a>
 	<a href="/problems"><img src="/images/{{ .VERSION }}/problems{{ if eq .MENU "problems" }}_selected{{ end }}.svg"></a>
+	<a href="/datapoints"><img src="/images/{{ .VERSION }}/datapoints{{ if eq .MENU "datapoints" }}_selected{{ end }}.svg"></a>
 	<a href="/triggers"><img src="/images/{{ .VERSION }}/triggers{{ if eq .MENU "triggers" }}_selected{{ end }}.svg"></a>
 	<a href="/configuration"><img src="/images/{{ .VERSION }}/configuration{{ if eq .MENU "configuration" }}_selected{{ end }}.svg"></a>
 </div>
--- a/views/pages/datapoint_edit.gotmpl
+++ b/views/pages/datapoint_edit.gotmpl
@ -0,0 +1,35 @@
+{{ define "page" }}
+	<link rel="stylesheet" type="text/css" href="/css/{{ .VERSION }}/datapoints.css">
+
+	<script type="module" defer>
+		import {UI} from "/js/{{ .VERSION }}/datapoint_edit.mjs"
+		window._ui = new UI()
+	</script>
+
+	{{ block "page_label" . }}{{end}}
+
+	<form id="form-trigger" action="/datapoint/update/{{ .Data.Datapoint.ID }}" method="post">
+	<div id="widgets" class="widgets">
+		<div class="label">Name</div>
+		<div><input type="text" name="name" value="{{ .Data.Datapoint.Name }}"></div>
+		
+		<div class="label">Datatype</div>
+		<div>
+			<select name="datatype">
+				<option {{ if eq .Data.Datapoint.Datatype "INT" }}selected{{end}}>INT</option>
+				<option {{ if eq .Data.Datapoint.Datatype "STRING" }}selected{{end}}>STRING</option>
+				<option {{ if eq .Data.Datapoint.Datatype "DATETIME" }}selected{{end}}>DATETIME</option>
+			</select>
+		</div>
+
+		<div></div>
+		<div class="action">
+			{{ if eq .Data.Datapoint.ID 0 }}
+			<button id="button-update">Create</button>
+			{{ else }}
+			<button id="button-update">Update</button>
+			{{ end }}
+		</div>
+	</form>
+
+{{ end }}
--- a/views/pages/datapoints.gotmpl
+++ b/views/pages/datapoints.gotmpl
@ -0,0 +1,26 @@
+{{ define "page" }}
+<link rel="stylesheet" type="text/css" href="/css/{{ .VERSION }}/datapoints.css">
+
+	{{ block "page_label" . }}{{end}}
+
+	<a href="/datapoint/edit/0">Create</a>
+
+	<div id="datapoints">
+		<div class="header">Name</div>
+		<div class="header">Datatype</div>
+		<div class="header">Last value</div>
+		<div class="header">Value</div>
+
+		{{ range .Data.Datapoints }}
+			<div class="name"><a href="/datapoint/edit/{{ .ID }}">{{ .Name }}</a></div>
+			<div class="datatype">{{ .Datatype }}</div>
+			<div class="last-value">{{ format_time .LastValue }}</div>
+			{{ if eq .Datatype "DATETIME" }}
+			<div class="value">{{ if .LastDatapointValue.ValueDateTime.Valid }}{{ format_time .LastDatapointValue.Value  }}{{ end }}</div>
+			{{ else }}
+			<div class="value">{{ .LastDatapointValue.Value  }}</div>
+		{{ end }}
+	{{ end }}
+	</div>
+
+{{ end }}
--- a/views/pages/trigger_edit.gotmpl
+++ b/views/pages/trigger_edit.gotmpl
@ -13,7 +13,7 @@

 	{{ block "page_label" . }}{{end}}

-	<form action="/trigger/update/{{ .Data.Trigger.ID }}" method="post">
+	<form id="form-trigger" action="/trigger/update/{{ .Data.Trigger.ID }}" method="post">
 	<div id="widgets" class="widgets">
 		<div class="label">Name</div>
 		<div><input type="text" name="name" value="{{ .Data.Trigger.Name }}"></div>
@ -21,7 +21,7 @@
 		<div class="label">Datapoints</div>
 		<div class="datapoints" style="margin-top: 4px">
 		{{ range .Data.Datapoints }}
-			<div class="datapoint name">{{ .Name }}</div>
+			<div class="datapoint name"><b>{{ .Name }}</b></div>
 			<div class="datapoint value">{{ .LastDatapointValue.Value }}</div>
 		{{ end }}
 		</div>
@ -31,7 +31,7 @@

 		<div></div>
 		<div class="action">
-			<button>Update</button>
+			<button id="button-update">Update</button>
 			<button id="button-run" onclick="window._ui.run(); return false">Test</button>
 			<div id="run-result"></div>
 		</div>
				`@ -0,0 +1 @@`
				`ALTER TABLE datapoint DROP COLUMN section_id;`