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104 lines
2.3 KiB
Go
104 lines
2.3 KiB
Go
package operation
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import (
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"fmt"
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goHtmlTemplate "html/template"
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"log"
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"mime"
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"path/filepath"
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"strings"
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"github.com/aziis98/cabret"
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"github.com/aziis98/cabret/operation/template"
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"github.com/aziis98/cabret/util"
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)
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var HtmlMimeType = mime.TypeByExtension(".html")
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func init() {
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registerType("layout", &Layout{})
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}
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type Layout struct {
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// TemplatePatterns is a list of glob patterns of templates that will be loaded
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TemplatePatterns []string
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}
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func (op *Layout) Configure(config map[string]any) error {
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if v, ok := config[ShortFormValueKey]; ok {
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globPatternsStr, ok := v.(string)
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if !ok {
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return fmt.Errorf(`expected a comma separated list of glob patterns but got "%v" of type %T`, v, v)
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}
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globPatterns := strings.Split(globPatternsStr, ",")
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for _, pat := range globPatterns {
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op.TemplatePatterns = append(op.TemplatePatterns, strings.TrimSpace(pat))
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}
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return nil
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}
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if v, ok := config["paths"]; ok {
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globPatterns, ok := v.([]string)
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if !ok {
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return fmt.Errorf(`expected a list of glob patterns but got "%v" of type %T`, v, v)
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}
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for _, pat := range globPatterns {
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op.TemplatePatterns = append(op.TemplatePatterns, strings.TrimSpace(pat))
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}
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return nil
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}
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if v, ok := config["path"]; ok {
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globPatternStr, ok := v.(string)
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if !ok {
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return fmt.Errorf(`expected a glob pattern but got "%v" of type %T`, v, v)
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}
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op.TemplatePatterns = []string{strings.TrimSpace(globPatternStr)}
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return nil
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}
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return fmt.Errorf(`invalid config`)
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}
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func (op Layout) ProcessItem(content cabret.Content) (*cabret.Content, error) {
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// expand glob patterns
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tmplFiles := []string{}
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for _, pat := range op.TemplatePatterns {
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files, err := filepath.Glob(strings.TrimSpace(pat))
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if err != nil {
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return nil, err
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}
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tmplFiles = append(tmplFiles, files...)
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}
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// create template
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tmpl, err := template.ParseFiles(tmplFiles...)
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if err != nil {
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return nil, err
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}
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ctx := util.CloneMap(content.Metadata)
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if content.Type == HtmlMimeType {
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ctx["Content"] = goHtmlTemplate.HTML(content.Data)
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} else {
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ctx["Content"] = content.Data
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}
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log.Printf(`[operation.Layout] rendering into layout "%s"`, strings.Join(op.TemplatePatterns, ", "))
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data, err := tmpl.Render(ctx)
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if err != nil {
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return nil, err
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}
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content.Type = mime.TypeByExtension(filepath.Ext(tmplFiles[0]))
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content.Data = data
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return &content, nil
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}
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