2020-05-14 10:20:05 +00:00
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package main
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import (
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"html/template"
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"log"
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2021-08-10 20:34:25 +00:00
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"strings"
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2020-05-14 10:20:05 +00:00
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)
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var listTemplate *template.Template
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var urlFormTemplate *template.Template
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var textFormTemplate *template.Template
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func init() {
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2020-11-15 15:52:03 +00:00
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if initListTemplate() != nil || initURLFormTemplate() != nil || initTextFormTemplate() != nil {
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2020-05-14 10:20:05 +00:00
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log.Fatal("Failed to initialize templates")
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return
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}
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}
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2021-08-10 20:34:25 +00:00
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const listTemplateString = `
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<!doctype html>
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<html lang=en>
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<meta name=viewport content="width=device-width, initial-scale=1.0">
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<title>Short URLs</title>
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<h1>Short URLs</h1>
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<table>
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<tr><th>slug</th><th>url</th><th>hits</th></tr>
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{{range .}}<tr><td>{{.Slug}}</td><td>{{.URL}}</td><td>{{.Hits}}</td></tr>{{end}}
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</table>
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</html>
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`
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2020-05-14 10:20:05 +00:00
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func initListTemplate() (err error) {
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listTemplate, err = template.New("List").Parse(strings.TrimSpace(listTemplateString))
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2020-05-14 10:20:05 +00:00
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return
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}
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2021-08-10 20:34:25 +00:00
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const urlFormTemplateString = `
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<!doctype html>
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<html lang=en>
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<meta name=viewport content="width=device-width, initial-scale=1.0">
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<title>{{.Title}}</title>
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<h1>{{.Title}}</h1>
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<form action={{.URL}} method=post>
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{{range .Fields}}<input type=text name={{index . 0}} placeholder={{index . 0}} value="{{index . 1}}"><br><br>{{end}}
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<input type=submit value={{.Title}}>
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</form>
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</html>
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`
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2020-11-15 15:52:03 +00:00
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func initURLFormTemplate() (err error) {
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urlFormTemplate, err = template.New("UrlForm").Parse(strings.TrimSpace(urlFormTemplateString))
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2020-05-14 10:20:05 +00:00
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return
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}
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2021-08-10 20:34:25 +00:00
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const textFormTemplateString = `
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<!doctype html>
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<html lang=en>
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<meta name=viewport content="width=device-width, initial-scale=1.0">
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<title>{{.Title}}</title>
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<h1>{{.Title}}</h1>
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<form action={{.URL}} method=post>
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{{range .Fields}}<input type=text name={{index . 0}} placeholder={{index . 0}} value="{{index . 1}}"><br><br>{{end}}
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{{range .TextAreas}}<textarea name={{index . 0}} placeholder={{index . 0}}>{{index . 1}}</textarea><br><br>{{end}}
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<input type=submit value={{.Title}}>
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</form>
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</html>
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`
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2020-05-14 10:20:05 +00:00
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func initTextFormTemplate() (err error) {
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textFormTemplate, err = template.New("TextForm").Parse(strings.TrimSpace(textFormTemplateString))
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2020-05-14 10:20:05 +00:00
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return
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}
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