mirror of https://github.com/jlelse/GoBlog
85 lines
2.2 KiB
Go
85 lines
2.2 KiB
Go
package main
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import (
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"errors"
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"github.com/jeremywohl/flatten"
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"github.com/spf13/cast"
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"gopkg.in/yaml.v3"
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"strconv"
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"strings"
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)
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func parseHugoFile(fileContent string, path string) (*Post, error) {
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if path == "" {
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return nil, errors.New("empty path")
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}
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frontmatterSep := "---\n"
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frontmatter := ""
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if split := strings.Split(fileContent, frontmatterSep); len(split) > 2 {
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frontmatter = split[1]
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}
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post := &Post{
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Path: path,
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Content: strings.TrimPrefix(fileContent, frontmatterSep+frontmatter+frontmatterSep),
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Parameters: map[string][]string{},
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}
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// Parse frontmatter
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meta := map[string]interface{}{}
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err := yaml.Unmarshal([]byte(frontmatter), &meta)
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if err != nil {
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return nil, err
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}
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flat, err := flatten.Flatten(meta, "", flatten.DotStyle)
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if err != nil {
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return nil, err
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}
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// Read dates
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post.Published = cast.ToString(flat["date"])
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post.Updated = cast.ToString(flat["lastmod"])
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// Read parameters
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for _, fm := range appConfig.Hugo.Frontmatter {
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var values []string
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for fk, value := range flat {
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if strings.HasPrefix(fk, fm.Meta) {
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trimmed := strings.TrimPrefix(fk, fm.Meta)
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if len(trimmed) == 0 {
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values = append(values, cast.ToString(value))
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} else {
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trimmed = strings.TrimPrefix(trimmed, ".")
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if _, e := strconv.Atoi(trimmed); e == nil {
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values = append(values, cast.ToString(value))
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}
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}
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}
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}
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if len(values) > 0 {
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post.Parameters[fm.Parameter] = values
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}
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}
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// Create redirects
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var aliases []string
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for fk, value := range flat {
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if strings.HasPrefix(fk, "aliases") {
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trimmed := strings.TrimPrefix(fk, "aliases")
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if len(trimmed) == 0 {
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aliases = append(aliases, cast.ToString(value))
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} else {
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trimmed = strings.TrimPrefix(trimmed, ".")
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if _, e := strconv.Atoi(trimmed); e == nil {
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aliases = append(aliases, cast.ToString(value))
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}
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}
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}
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}
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for _, alias := range aliases {
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// Fix relativ paths
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if !strings.HasPrefix(alias, "/") {
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splittedPostPath := strings.Split(post.Path, "/")
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alias = strings.TrimSuffix(post.Path, splittedPostPath[len(splittedPostPath)-1]) + alias
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}
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_ = createOrReplaceRedirect(alias, post.Path)
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}
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// Return post
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return post, nil
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}
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