89 lines
2.1 KiB
Go
89 lines
2.1 KiB
Go
package templates
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import (
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"fmt"
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"html/template"
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"net/http"
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"strings"
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"time"
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"git.kirsle.net/apps/gosocial/pkg/config"
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"git.kirsle.net/apps/gosocial/pkg/markdown"
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"git.kirsle.net/apps/gosocial/pkg/session"
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"git.kirsle.net/apps/gosocial/pkg/utility"
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)
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// TemplateFuncs available to all pages.
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func TemplateFuncs(r *http.Request) template.FuncMap {
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return template.FuncMap{
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"InputCSRF": InputCSRF(r),
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"SincePrettyCoarse": SincePrettyCoarse(),
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"ComputeAge": utility.Age,
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"Split": strings.Split,
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"ToMarkdown": ToMarkdown,
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}
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}
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// InputCSRF returns the HTML snippet for a CSRF token hidden input field.
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func InputCSRF(r *http.Request) func() template.HTML {
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return func() template.HTML {
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ctx := r.Context()
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if token, ok := ctx.Value(session.CSRFKey).(string); ok {
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return template.HTML(fmt.Sprintf(
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`<input type="hidden" name="%s" value="%s">`,
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config.CSRFInputName,
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token,
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))
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} else {
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return template.HTML(`[CSRF middleware error]`)
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}
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}
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}
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// SincePrettyCoarse formats a time.Duration in plain English. Intended for "joined 2 months ago" type
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// strings - returns the coarsest level of granularity.
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func SincePrettyCoarse() func(time.Time) template.HTML {
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var result = func(text string, v int64) template.HTML {
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if v == 1 {
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text = strings.TrimSuffix(text, "s")
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}
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return template.HTML(fmt.Sprintf(text, v))
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}
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return func(since time.Time) template.HTML {
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var (
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duration = time.Since(since)
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)
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if duration.Seconds() < 60.0 {
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return result("%d seconds", int64(duration.Seconds()))
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}
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if duration.Minutes() < 60.0 {
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return result("%d minutes", int64(duration.Minutes()))
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}
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if duration.Hours() < 24.0 {
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return result("%d hours", int64(duration.Hours()))
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}
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days := int64(duration.Hours() / 24)
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if days < 30 {
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return result("%d days", days)
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}
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months := int64(days / 30)
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if months < 12 {
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return result("%d months", months)
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}
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years := int64(days / 365)
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return result("%d years", years)
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}
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}
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// ToMarkdown renders input text as Markdown.
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func ToMarkdown(input string) template.HTML {
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return template.HTML(markdown.Render(input))
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}
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