Files

71 lines
2.2 KiB
Go

// ingestion/internal/pipeline/links.go
package pipeline
import (
"fmt"
"path/filepath"
"regexp"
"strings"
"github.com/mathiasbq/hyperguild/ingestion/internal/wiki"
)
// plainLinkRE matches [[Display Name]] — wikilinks without a slug pipe.
// It does NOT match [[slug|Display]] (those already have a pipe).
var plainLinkRE = regexp.MustCompile(`\[\[([^\]|]+)\]\]`)
// CanonicalizeLinks converts [[Display Name]] wikilinks to [[slug|Display Name]]
// using a title→slug map built from the inventory and current batch.
// Unknown titles are left as-is and returned as warnings.
func CanonicalizeLinks(pages []wiki.Page, inventory map[wiki.PageType][]wiki.Entry) ([]wiki.Page, []string) {
titleToSlug := buildTitleMap(pages, inventory)
var allWarnings []string
out := make([]wiki.Page, len(pages))
for i, p := range pages {
newContent, warnings := canonicalizeContent(p.Content, titleToSlug)
p.Content = newContent
out[i] = p
allWarnings = append(allWarnings, warnings...)
}
return out, allWarnings
}
// buildTitleMap builds a lowercase-title → slug map from inventory and current batch.
// Current batch entries take precedence over inventory (they may be updates).
func buildTitleMap(pages []wiki.Page, inventory map[wiki.PageType][]wiki.Entry) map[string]string {
m := make(map[string]string)
for _, entries := range inventory {
for _, e := range entries {
m[strings.ToLower(e.Title)] = e.Slug
}
}
// Current batch overrides inventory
for _, p := range pages {
title := extractTitle(p.Content)
slug := strings.TrimSuffix(filepath.Base(p.Path), ".md")
if title != "" && slug != "" {
m[strings.ToLower(title)] = slug
}
}
return m
}
func canonicalizeContent(content string, titleToSlug map[string]string) (string, []string) {
var warnings []string
result := plainLinkRE.ReplaceAllStringFunc(content, func(match string) string {
sub := plainLinkRE.FindStringSubmatch(match)
if len(sub) < 2 {
return match
}
displayName := sub[1]
slug, ok := titleToSlug[strings.ToLower(displayName)]
if !ok {
warnings = append(warnings, fmt.Sprintf("unknown wikilink: [[%s]]", displayName))
return match
}
return "[[" + slug + "|" + displayName + "]]"
})
return result, warnings
}