goext/ginext/responseFile.go
Mike Schwörer 2504ef00a0
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v0.0.469
2024-06-11 12:10:49 +02:00

74 lines
1.9 KiB
Go

package ginext
import (
"fmt"
"github.com/gin-gonic/gin"
"gogs.mikescher.com/BlackForestBytes/goext/langext"
"os"
)
type fileHTTPResponse struct {
mimetype string
filepath string
filename *string
headers []headerval
cookies []cookieval
}
func (j fileHTTPResponse) Write(g *gin.Context) {
g.Header("Content-Type", j.mimetype) // if we don't set it here gin does weird file-sniffing later...
if j.filename != nil {
g.Header("Content-Disposition", fmt.Sprintf("attachment; filename=\"%s\"", *j.filename))
}
for _, v := range j.headers {
g.Header(v.Key, v.Val)
}
for _, v := range j.cookies {
g.SetCookie(v.name, v.value, v.maxAge, v.path, v.domain, v.secure, v.httpOnly)
}
g.File(j.filepath)
}
func (j fileHTTPResponse) WithHeader(k string, v string) HTTPResponse {
j.headers = append(j.headers, headerval{k, v})
return j
}
func (j fileHTTPResponse) WithCookie(name string, value string, maxAge int, path string, domain string, secure bool, httpOnly bool) HTTPResponse {
j.cookies = append(j.cookies, cookieval{name, value, maxAge, path, domain, secure, httpOnly})
return j
}
func (j fileHTTPResponse) IsSuccess() bool {
return true
}
func (j fileHTTPResponse) Statuscode() int {
return 200
}
func (j fileHTTPResponse) BodyString(*gin.Context) *string {
data, err := os.ReadFile(j.filepath)
if err != nil {
return nil
}
return langext.Ptr(string(data))
}
func (j fileHTTPResponse) ContentType() string {
return j.mimetype
}
func (j fileHTTPResponse) Headers() []string {
return langext.ArrMap(j.headers, func(v headerval) string { return v.Key + "=" + v.Val })
}
func File(mimetype string, filepath string) HTTPResponse {
return &fileHTTPResponse{mimetype: mimetype, filepath: filepath}
}
func Download(mimetype string, filepath string, filename string) HTTPResponse {
return &fileHTTPResponse{mimetype: mimetype, filepath: filepath, filename: &filename}
}