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cheat/internal/sheet/sheet.go

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package sheet
import (
"fmt"
"io/ioutil"
"sort"
"github.com/cheat/cheat/internal/frontmatter"
)
// Sheet encapsulates sheet information
type Sheet struct {
Title string
Path string
Text string
Tags []string
Syntax string
ReadOnly bool
}
// New initializes a new Sheet
func New(
title string,
path string,
tags []string,
readOnly bool,
) (Sheet, error) {
// read the cheatsheet file
markdown, err := ioutil.ReadFile(path)
if err != nil {
return Sheet{}, fmt.Errorf("failed to read file: %s, %v", path, err)
}
// parse the cheatsheet frontmatter
text, fm, err := frontmatter.Parse(string(markdown))
if err != nil {
return Sheet{}, fmt.Errorf("failed to parse front-matter: %v", err)
}
// merge the sheet-specific tags into the cheatpath tags
tags = append(tags, fm.Tags...)
// sort strings so they pretty-print nicely
sort.Strings(tags)
// initialize and return a sheet
return Sheet{
Title: title,
Path: path,
Text: text + "\n",
Tags: tags,
Syntax: fm.Syntax,
ReadOnly: readOnly,
}, nil
}