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55 lines
1.3 KiB
55 lines
1.3 KiB
package httputils
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import (
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"fmt"
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"net/http"
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"text/template"
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)
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type Handler = func(http.ResponseWriter, *http.Request)
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func GenerateHandler(
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file string,
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handler func(http.ResponseWriter, *http.Request) bool,
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data func(http.ResponseWriter, *http.Request) any,
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methods []string,
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) Handler {
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var tmpl *template.Template
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//if file != "" {
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// tmpl = template.Must(template.ParseFiles(fmt.Sprintf("templates/%s", file)))
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//}
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return func(w http.ResponseWriter, r *http.Request) {
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// Remove in production, enables live template reloading
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if file != "" {
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tmpl = template.Must(template.ParseFiles(fmt.Sprintf("templates/%s", file)))
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}
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for _, method := range methods {
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if method == r.Method {
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goto ok
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}
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}
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w.WriteHeader(http.StatusMethodNotAllowed)
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return
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ok:
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renderTemplate := handler(w, r)
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if renderTemplate && tmpl != nil {
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w.Header().Set("Content-Type", "text/html; charset=utf-8")
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tmpl.Execute(w, data(w, r))
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}
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}
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}
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func GenerateSseHandler(handler Handler) Handler {
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return func(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodGet {
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w.WriteHeader(http.StatusMethodNotAllowed)
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return
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}
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w.Header().Set("Content-Type", "text/event-stream")
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w.Header().Set("Cache-Control", "no-cache")
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w.Header().Set("Connection", "keep-alive")
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w.WriteHeader(http.StatusOK)
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handler(w, r)
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}
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}
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