Autocreate _internal.db

db.go

@@ -21,7 +21,7 @@ var (
 	embedded embed.FS
 )
 
-func dbInit() (err error) {
+func dbInit() (err error) {// {{{
 	dbConn = fmt.Sprintf(
 		"host=%s port=%d user=%s password=%s dbname=%s sslmode=disable",
 		config.Database.Host,
@@ -37,11 +37,57 @@ func dbInit() (err error) {
 		config.Database.Port,
 	)
 
-	db, err = sqlx.Connect("postgres", dbConn)
+	if db, err = sqlx.Connect("postgres", dbConn); err != nil {
 		return
-}
+	}
 
-func dbUpdate() (err error) {
+	if err = dbVerifyInternals(); err != nil {
+		return
+	}
+
+	err = dbUpdate()
+	return
+}// }}}
+func dbVerifyInternals() (err error) {// {{{
+	var rows *sqlx.Rows
+	if rows, err = db.Queryx(
+		`SELECT EXISTS (
+			SELECT FROM pg_catalog.pg_class c
+			JOIN   pg_catalog.pg_namespace n ON n.oid = c.relnamespace
+			WHERE  n.nspname = '_internal'
+			AND    c.relname = 'db'
+		)`,
+	); err != nil {
+		return
+	}
+	defer rows.Close()
+	var exists bool
+	rows.Next()
+	if err = rows.Scan(&exists); err != nil {
+		return
+	}
+
+	if !exists {
+		log.Printf("\x1b[32mNotes\x1b[0m Creating _internal.db\n")
+		if _, err = db.Exec(`
+			CREATE SCHEMA "_internal";
+
+			CREATE TABLE "_internal".db (
+				"key" varchar NOT NULL,
+				value varchar NULL,
+				CONSTRAINT db_pk PRIMARY KEY (key)
+			);
+
+			INSERT INTO _internal.db("key", "value")
+			VALUES('schema', '0');
+			`,
+		); err != nil {
+			return
+		}
+	}
+	return
+}// }}}
+func dbUpdate() (err error) {// {{{
 	/* Current schema revision is read from database.
 	 * Used to iterate through the embedded SQL updates
 	 * up to the DB_SCHEMA version currently compiled
@@ -82,6 +128,6 @@ func dbUpdate() (err error) {
 	}
 
 	return
-}
+}// }}}
 
 // vim: foldmethod=marker

main.go

@@ -55,10 +55,6 @@ func main() {// {{{
 		fmt.Printf("%s\n", err)
 		os.Exit(1)
 	}
-	if err = dbUpdate(); err != nil {
-		fmt.Printf("%s\n", err)
-		os.Exit(1)
-	}
 
 	connectionManager = NewConnectionManager()
 	go connectionManager.BroadcastLoop()

static/css/main.css

@@ -136,7 +136,7 @@ header .menu {
   -webkit-tap-highlight-color: transparent;
 }
 .node-name {
-  padding: 32px;
+  margin: 32px 0 16px 0;
   background: #fff;
   color: #000;
   text-align: center;
@@ -144,7 +144,7 @@ header .menu {
 }
 .node-content {
   justify-self: center;
-  padding: 0px 32px;
+  padding: 16px 32px;
   white-space: pre-wrap;
   font-size: 0.85em;
   color: #333;
@@ -155,6 +155,7 @@ header .menu {
 }
 .node-content:empty {
   background: #ddd;
+  border-radius: 8px;
   height: 48px;
 }
 @media only screen and (max-width: 100ex) {

static/less/main.less

@@ -162,7 +162,7 @@ header {
 }
 
 .node-name {
-	padding: 32px;
+	margin: 32px 0 16px 0;
 	background: #fff;
 	color: #000;
 	text-align: center;
@@ -171,7 +171,7 @@ header {
 
 .node-content {
 	justify-self: center;
-	padding: 0px 32px;
+	padding: 16px 32px;
 	white-space: pre-wrap;
 	font-size: 0.85em;
 	color: #333;
@@ -183,6 +183,7 @@ header {
 
 	&:empty {
 		background: #ddd;
+		border-radius: 8px;
 		height: 48px;
 	}
 }