Files
website/internal/helpers/template/build.go

152 lines
3.2 KiB
Go

package helpers
import (
"html/template"
"log"
"net/http"
"strings"
"time"
"synlotto-website/config"
helpers "synlotto-website/helpers/http"
"synlotto-website/models"
"github.com/gorilla/csrf"
)
func TemplateContext(w http.ResponseWriter, r *http.Request, data models.TemplateData) map[string]interface{} {
cfg := config.Get()
if cfg == nil {
log.Println("⚠️ Config not initialized!")
}
session, _ := helpers.GetSession(w, r)
var flash string
if f, ok := session.Values["flash"].(string); ok {
flash = f
delete(session.Values, "flash")
session.Save(r, w)
}
return map[string]interface{}{
"CSRFField": csrf.TemplateField(r),
"Flash": flash,
"User": data.User,
"IsAdmin": data.IsAdmin,
"NotificationCount": data.NotificationCount,
"Notifications": data.Notifications,
"MessageCount": data.MessageCount,
"Messages": data.Messages,
"SiteName": cfg.Site.SiteName,
"CopyrightYearStart": cfg.Site.CopyrightYearStart,
}
}
func TemplateFuncs() template.FuncMap {
return template.FuncMap{
"plus1": func(i int) int { return i + 1 },
"minus1": func(i int) int {
if i > 1 {
return i - 1
}
return 0
},
"mul": func(a, b int) int { return a * b },
"add": func(a, b int) int { return a + b },
"sub": func(a, b int) int { return a - b },
"min": func(a, b int) int {
if a < b {
return a
} else {
return b
}
},
"intVal": func(p *int) int {
if p == nil {
return 0
}
return *p
},
"inSlice": InSlice,
"lower": lower,
"truncate": func(s string, max int) string {
if len(s) <= max {
return s
}
return s[:max] + "..."
},
"PageRange": PageRange,
"now": time.Now,
"humanTime": func(v interface{}) string {
switch t := v.(type) {
case time.Time:
return t.Local().Format("02 Jan 2006 15:04")
case string:
parsed, err := time.Parse(time.RFC3339, t)
if err == nil {
return parsed.Local().Format("02 Jan 2006 15:04")
}
return t
default:
return ""
}
},
"rangeClass": rangeClass,
}
}
func LoadTemplateFiles(name string, files ...string) *template.Template {
shared := []string{
"templates/main/layout.html",
"templates/main/topbar.html",
"templates/main/footer.html",
}
all := append(shared, files...)
return template.Must(template.New(name).Funcs(TemplateFuncs()).ParseFiles(all...))
}
func SetFlash(w http.ResponseWriter, r *http.Request, message string) {
session, _ := helpers.GetSession(w, r)
session.Values["flash"] = message
session.Save(r, w)
}
func InSlice(n int, list []int) bool {
for _, v := range list {
if v == n {
return true
}
}
return false
}
func lower(input string) string {
return strings.ToLower(input)
}
func PageRange(current, total int) []int {
var pages []int
for i := 1; i <= total; i++ {
pages = append(pages, i)
}
return pages
}
func rangeClass(n int) string {
switch {
case n >= 1 && n <= 9:
return "01-09"
case n >= 10 && n <= 19:
return "10-19"
case n >= 20 && n <= 29:
return "20-29"
case n >= 30 && n <= 39:
return "30-39"
case n >= 40 && n <= 49:
return "40-49"
default:
return "50-plus"
}
}