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package growel
import (
"encoding/json"
"net/http"
"strconv"
)
/* === Writer Functions */
// Plain writes plain text to ResponseWriter
// with code and string passed as parameters
// this automatically sets Content-Type to "text/plain; charset=utf-8"
func (c *Context) Plain(code int, data string) {
c.W.Header().Set("Content-Type", "text/plain; charset=utf-8")
c.W.WriteHeader(code)
c.W.Write([]byte(data))
}
// JSON receives a map or struct and converts it to JSON
// then writes it to ResponseWriter with code passed as parameter
// this automatically sets Content-Type to "application/json; charset=utf-8"
func (c *Context) JSON(code int, data any) {
c.W.Header().Set("Content-Type", "application/json; charset=utf-8")
c.W.WriteHeader(code)
enc := json.NewEncoder(c.W)
_ = enc.Encode(data)
}
// XML is unfinished and works almost the same as Plain()
// but it sets Content-Type to "application/xml; charset=utf-8"
func (c *Context) XML(code int, data string) {
c.W.Header().Set("Content-Type", "application/xml; charset=utf-8")
c.W.WriteHeader(code)
c.W.Write([]byte(data))
}
// Error writes an error response to ResponseWriter
// with code and message passed as parameters
// this automatically sets Content-Type to "application/json; charset=utf-8"
//
// Response is a JSON string and contains 3 values:
// error, message, status
func (c *Context) Error(code int, msg string) {
c.JSON(code, map[string]string{
"error": http.StatusText(code),
"message": msg,
"status": strconv.Itoa(code),
})
}
// NotFound is a shortcut to write 404 Error to response writer
// this is based on Error function
func (c *Context) NotFound(msg string) {
c.Error(http.StatusNotFound, msg)
}
// BadRequest is a shortcut to write 400 Error to response writer
// this is based on Error function
func (c *Context) BadRequest(msg string) {
c.Error(http.StatusBadRequest, msg)
}
// Unauthorized is a shortcut to write 401 Error to response writer
// this is based on Error function
func (c *Context) Unauthorized(msg string) {
c.Error(http.StatusUnauthorized, msg)
}
// Forbidden is a shortcut to write 403 Error to response writer
// this is based on Error function
func (c *Context) Forbidden(msg string) {
c.Error(http.StatusForbidden, msg)
}
// InternalError is a shortcut to write 500 Error to response writer
// this is based on Error function
func (c *Context) InternalError(msg string) {
c.Error(http.StatusInternalServerError, msg)
}
/* Cookies */
func (c *Context) Cookies() []*http.Cookie {
return c.R.Cookies()
}
func (c *Context) Cookie(name string) *http.Cookie {
for _, cookie := range c.R.Cookies() {
if cookie.Name == name {
return cookie
}
}
return nil
}
func (c *Context) SetCompleteCookie(cookie *http.Cookie) {
http.SetCookie(c.W, cookie)
}
func (c *Context) SetCookie(name string, value string) {
cookie := http.Cookie{
Name: name,
Value: value,
Path: "/",
MaxAge: 3600,
HttpOnly: true,
Secure: true,
SameSite: http.SameSiteLaxMode,
}
c.SetCompleteCookie(&cookie)
}
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