From 0b32fa576fe3317acd260e0980b492bbafd7fd5a Mon Sep 17 00:00:00 2001
From: Přemysl Janouch <p@janouch.name>
Date: Mon, 15 Apr 2019 04:14:32 +0200
Subject: sklad: show whole container descriptions

---
 cmd/sklad/container.tmpl |  2 +-
 cmd/sklad/main.go        | 15 ++++++++++++++-
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/cmd/sklad/container.tmpl b/cmd/sklad/container.tmpl
index 147e124..8118baf 100644
--- a/cmd/sklad/container.tmpl
+++ b/cmd/sklad/container.tmpl
@@ -36,7 +36,7 @@
 </header>
 
 <form method=post action="container?id={{ .Container.Id }}">
-<textarea name=description rows=5>
+<textarea name=description rows="{{ max 5 (lines .Container.Description) }}">
 {{ .Container.Description }}
 </textarea>
 <footer>
diff --git a/cmd/sklad/main.go b/cmd/sklad/main.go
index 1baa66b..22d25b7 100644
--- a/cmd/sklad/main.go
+++ b/cmd/sklad/main.go
@@ -334,6 +334,18 @@ func handle(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
+var funcMap = template.FuncMap{
+	"max": func(i, j int) int {
+		if i > j {
+			return i
+		}
+		return j
+	},
+	"lines": func(s string) int {
+		return strings.Count(s, "\n") + 1
+	},
+}
+
 func main() {
 	// Randomize the RNG for session string generation.
 	rand.Seed(time.Now().UnixNano())
@@ -356,7 +368,8 @@ func main() {
 		log.Fatalln(err)
 	}
 	for _, name := range m {
-		templates[name] = template.Must(template.ParseFiles("base.tmpl", name))
+		templates[name] = template.Must(template.New("base.tmpl").
+			Funcs(funcMap).ParseFiles("base.tmpl", name))
 	}
 
 	http.HandleFunc("/", handle)
-- 
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