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package page
import (
"io/fs"
"path/filepath"
"strings"
"sync"
"time"
)
var (
index map[string]PageList
indexMu sync.RWMutex
)
// RebuildIndex can be called in order to rebuild the entire website
// index.
func (p *Page) RebuildIndex() error {
indexMu.Lock()
index = nil
indexMu.Unlock()
_, err := p.Index()
return err
}
// Index returns a map of all pages in the current directory separated into
// their respective tags If a Page has multiple tags it will be listed under
// each.
// Pages are located by their Suffix, default being ".md".
func (p *Page) Index() (map[string]PageList, error) {
indexMu.RLock()
if index != nil && CacheIndex {
indexMu.RUnlock()
return index, nil
}
indexMu.RUnlock()
Logger.Println("Rebuilding index...")
out := make(map[string]PageList)
_ = filepath.Walk(".",
func(path string, info fs.FileInfo, err error) error {
if err != nil {
return err
}
if !info.IsDir() && strings.HasSuffix(info.Name(), Suffix) {
if path == BaseTemplate { // Plain template, not a page
return nil
}
p2 := NewPage(strings.ReplaceAll(path, Suffix, ""))
err = p2.Read()
if err != nil {
Logger.Printf("Error encountered: %s: %s\n",
path, err)
return err
}
for tag := range p2.Tags {
if _, ok := out[tag]; !ok {
out[tag] = []*Page{p2}
} else {
out[tag] = append(out[tag], p2)
}
}
}
return nil
})
indexMu.Lock()
index = out
indexMu.Unlock()
return out, nil
}
// Time fetches the time.Time from the Date field.
func (p *Page) Time() time.Time {
return p.Date.Time
}
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