90 lines
1.7 KiB
Go
90 lines
1.7 KiB
Go
/*
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Copyright © 2023 Seednode <seednode@seedno.de>
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*/
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package text
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import (
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"errors"
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"fmt"
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"os"
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"strings"
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"unicode/utf8"
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"seedno.de/seednode/roulette/types"
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)
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type Format struct{}
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func (t Format) Css() string {
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var css strings.Builder
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css.WriteString(`html,body{margin:0;padding:0;height:100%;}`)
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css.WriteString(`a{color:inherit;display:block;height:100%;width:100%;text-decoration:none;overflow:hidden;}`)
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css.WriteString(`textarea{border:none;caret-color:transparent;outline:none;margin:.5rem;`)
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css.WriteString(`height:99%;width:99%;white-space:pre;overflow:auto;}`)
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return css.String()
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}
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func (t Format) Title(rootUrl, fileUri, filePath, fileName, prefix, mime string) (string, error) {
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return fmt.Sprintf(`<title>%s</title>`, fileName), nil
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}
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func (t Format) Body(rootUrl, fileUri, filePath, fileName, prefix, mime string) (string, error) {
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body, err := os.ReadFile(filePath)
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if err != nil {
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body = []byte{}
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}
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return fmt.Sprintf(`<a href="%s"><textarea autofocus readonly>%s</textarea></a>`,
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rootUrl,
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body), nil
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}
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func (t Format) Extensions() map[string]string {
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return map[string]string{
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`.csv`: `text/csv`,
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`.txt`: `text/plain`,
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}
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}
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func (t Format) MimeType(extension string) string {
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extensions := t.Extensions()
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value, exists := extensions[extension]
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if exists {
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return value
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}
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return ""
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}
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func (t Format) Validate(filePath string) bool {
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file, err := os.Open(filePath)
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switch {
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case errors.Is(err, os.ErrNotExist):
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return false
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case err != nil:
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return false
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}
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defer file.Close()
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head := make([]byte, 512)
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file.Read(head)
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return utf8.Valid(head)
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}
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func (t Format) Type() string {
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return "html"
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}
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func New() Format {
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return Format{}
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}
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func init() {
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types.SupportedFormats.Register(New())
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}
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