From 608ba10eecb1f5c02eb41b288d2af5ce2de3f4f5 Mon Sep 17 00:00:00 2001
From: Přemysl Janouch <p@janouch.name>
Date: Sun, 14 Apr 2019 23:19:25 +0200
Subject: sklad: show the number of members of each series

---
 cmd/sklad/db.go       |  6 ++++++
 cmd/sklad/main.go     |  6 +++---
 cmd/sklad/series.tmpl | 19 ++++++++++++++-----
 3 files changed, 23 insertions(+), 8 deletions(-)

diff --git a/cmd/sklad/db.go b/cmd/sklad/db.go
index def18a5..0aba510 100644
--- a/cmd/sklad/db.go
+++ b/cmd/sklad/db.go
@@ -16,6 +16,10 @@ type Series struct {
 	Description string // what kind of containers this is for
 }
 
+func (s *Series) Containers() []*Container {
+	return indexMembers[s.Prefix]
+}
+
 type ContainerId string
 
 type Container struct {
@@ -60,6 +64,7 @@ var (
 	dbLog  *os.File
 
 	indexSeries    = map[string]*Series{}
+	indexMembers   = map[string][]*Container{}
 	indexContainer = map[ContainerId]*Container{}
 	indexChildren  = map[ContainerId][]*Container{}
 
@@ -184,6 +189,7 @@ func loadDatabase() error {
 			}
 		}
 		indexChildren[pv.Parent] = append(indexChildren[pv.Parent], pv)
+		indexMembers[pv.Series] = append(indexMembers[pv.Series], pv)
 	}
 
 	// Validate that no container is a parent of itself on any level.
diff --git a/cmd/sklad/main.go b/cmd/sklad/main.go
index 32dd68b..fd675b1 100644
--- a/cmd/sklad/main.go
+++ b/cmd/sklad/main.go
@@ -129,9 +129,9 @@ func handleSeries(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	allSeries := map[string]string{}
+	allSeries := map[string]*Series{}
 	for _, s := range indexSeries {
-		allSeries[s.Prefix] = s.Description
+		allSeries[s.Prefix] = s
 	}
 
 	prefix := r.FormValue("prefix")
@@ -145,7 +145,7 @@ func handleSeries(w http.ResponseWriter, r *http.Request) {
 	params := struct {
 		Prefix      string
 		Description string
-		AllSeries   map[string]string
+		AllSeries   map[string]*Series
 	}{
 		Prefix:      prefix,
 		Description: description,
diff --git a/cmd/sklad/series.tmpl b/cmd/sklad/series.tmpl
index 4956e3a..01e2539 100644
--- a/cmd/sklad/series.tmpl
+++ b/cmd/sklad/series.tmpl
@@ -21,15 +21,24 @@
 </form>
 </section>
 
-{{ range $prefix, $desc := .AllSeries }}
+{{ range .AllSeries }}
 <section>
 <header>
-	<h3><a href="/series?prefix={{ $prefix }}">{{ $prefix }}</a></h3>
-	<form method=post action="/series?prefix={{ $prefix }}">
-	<input type=text name=description value="{{ $desc }}"
+	<h3><a href="/series?prefix={{ .Prefix }}">{{ .Prefix }}</a></h3>
+{{ with $count := len .Containers }}
+{{ if eq $count 1 }}
+	<p>{{ $count }} obal
+{{ else if and (ge $count 2) (le $count 4) }}
+	<p>{{ $count }} obaly
+{{ else if gt $count 0 }}
+	<p>{{ $count }} obalů
+{{ end }}
+{{ end }}
+	<form method=post action="/series?prefix={{ .Prefix }}">
+	<input type=text name=description value="{{ .Description }}"
 	><input type=submit value="Uložit">
 	</form>
-	<form method=post action="/series?prefix={{ $prefix }}&amp;remove">
+	<form method=post action="/series?prefix={{ .Prefix }}&amp;remove">
 	<input type=submit value="Odstranit">
 	</form>
 </header>
-- 
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