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authorPřemysl Eric Janouch <p@janouch.name>2020-09-21 22:43:46 +0200
committerPřemysl Eric Janouch <p@janouch.name>2020-09-21 22:44:12 +0200
commit35974efe21e2ce9974d882cf70b9e4feebfebb8a (patch)
tree4d012037b337a00adff84917953694e57311548c /hswg/main.go
parent8f542c71208b1944979b2e50ad1a328aab98f230 (diff)
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hswg: try to order entries by date, reverse order
Diffstat (limited to 'hswg/main.go')
-rw-r--r--hswg/main.go39
1 files changed, 38 insertions, 1 deletions
diff --git a/hswg/main.go b/hswg/main.go
index fef3278..21ca569 100644
--- a/hswg/main.go
+++ b/hswg/main.go
@@ -138,6 +138,19 @@ type Entry struct {
backlinks []string // what documents link back here
}
+// Published returns the date when the entry was published, or nil if unknown.
+func (e *Entry) Published() *time.Time {
+ if d, ok := e.Metadata.Attributes.GetAsString("date"); !ok {
+ return nil
+ } else if t, err := time.Parse(time.RFC3339, d); err == nil {
+ return &t
+ } else if t, err := time.Parse("2006-01-02", d); err == nil {
+ return &t
+ } else {
+ return nil
+ }
+}
+
var extRE = regexp.MustCompile(`\.[^/.]*$`)
func stripExtension(path string) string {
@@ -286,6 +299,30 @@ func main() {
e.Metadata.LastUpdated, e.PathSource))
}
+ // Reorder entries reversely, primarily by date, secondarily by filename.
+ ordered := []*Entry{}
+ for _, e := range entries {
+ ordered = append(ordered, e)
+ }
+
+ sort.Slice(ordered, func(i, j int) bool {
+ a, b := ordered[i], ordered[j]
+ p1, p2 := a.Published(), b.Published()
+ if p1 == nil && p2 != nil {
+ return true
+ }
+ if p1 == nil && p2 == nil {
+ return a.PathSource > b.PathSource
+ }
+ if p2 == nil {
+ return false
+ }
+ if p1.Equal(*p2) {
+ return a.PathSource > b.PathSource
+ }
+ return p2.Before(*p1)
+ })
+
// Execute a template from the standard input.
var input []byte
if input, err = ioutil.ReadAll(os.Stdin); err != nil {
@@ -294,7 +331,7 @@ func main() {
// TODO(p): Splitting content to categories would be nice.
t, err := template.New("-").Parse(string(input))
- if err = t.Execute(os.Stdout, entries); err != nil {
+ if err = t.Execute(os.Stdout, ordered); err != nil {
log.Fatalln(err)
}
}