cc-backend/templates/templates.go

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package templates
import (
"html/template"
"net/http"
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"os"
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"github.com/ClusterCockpit/cc-backend/log"
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)
var templatesDir string
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var debugMode bool = os.Getenv("DEBUG") == "1"
var templates map[string]*template.Template = map[string]*template.Template{}
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type Page struct {
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Title string
Error string
Info string
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FilterPresets map[string]interface{}
Infos map[string]interface{}
Config map[string]interface{}
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}
func init() {
bp := "./"
ebp := os.Getenv("BASEPATH")
if ebp != "" {
bp = ebp
}
templatesDir = bp + "templates/"
base := template.Must(template.ParseFiles(templatesDir + "base.tmpl"))
files := []string{
"home.tmpl", "404.tmpl", "login.tmpl",
"imprint.tmpl", "privacy.tmpl",
"monitoring/jobs.tmpl",
"monitoring/job.tmpl",
"monitoring/taglist.tmpl",
"monitoring/list.tmpl",
"monitoring/user.tmpl",
"monitoring/systems.tmpl",
"monitoring/node.tmpl",
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"monitoring/analysis.tmpl",
}
for _, file := range files {
templates[file] = template.Must(template.Must(base.Clone()).ParseFiles(templatesDir + file))
}
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}
func Render(rw http.ResponseWriter, r *http.Request, file string, page *Page) {
t, ok := templates[file]
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if !ok {
panic("templates must be predefinied!")
}
if debugMode {
t = template.Must(template.ParseFiles(templatesDir+"base.tmpl", templatesDir+file))
}
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if err := t.Execute(rw, page); err != nil {
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log.Errorf("template error: %s", err.Error())
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}
}