ictgj-voting/admin_games.go
Brian Buller c2959b3974 Several Changes
Added Team Self-Management pages (Site must not be 'voting' mode)
Process screenshots on upload, create thumbnail
Change inline screenshots to thumbnails (screenshots can get big)
2017-07-14 12:27:42 -05:00

98 lines
2.5 KiB
Go

package main
import (
"bytes"
"encoding/base64"
"errors"
"fmt"
"image"
"image/gif"
"image/jpeg"
"net/http"
"strings"
"github.com/gorilla/mux"
"github.com/nfnt/resize"
)
func handleAdminGames(w http.ResponseWriter, req *http.Request, page *pageData) {
vars := mux.Vars(req)
page.SubTitle = "Games"
teamId := vars["id"]
if teamId == "" {
// Games List
type gamesPageData struct {
Teams []Team
}
gpd := new(gamesPageData)
gpd.Teams = dbGetAllTeams()
page.TemplateData = gpd
page.SubTitle = "Games"
page.show("admin-games.html", w)
} else {
switch vars["function"] {
case "save":
name := req.FormValue("gamename")
desc := req.FormValue("gamedesc")
if dbIsValidTeam(teamId) {
if err := dbUpdateTeamGame(teamId, name, desc); err != nil {
page.session.setFlashMessage("Error updating game: "+err.Error(), "error")
} else {
page.session.setFlashMessage("Team game updated", "success")
}
redirect("/admin/teams/"+teamId, w, req)
}
case "screenshotupload":
if err := saveScreenshots(teamId, req); err != nil {
page.session.setFlashMessage("Error updating game: "+err.Error(), "error")
}
redirect("/admin/teams/"+teamId, w, req)
case "screenshotdelete":
ssid := vars["subid"]
if err := dbDeleteTeamGameScreenshot(teamId, ssid); err != nil {
page.session.setFlashMessage("Error deleting screenshot: "+err.Error(), "error")
}
redirect("/admin/teams/"+teamId, w, req)
}
}
}
func saveScreenshots(teamId string, req *http.Request) error {
var err error
file, hdr, err := req.FormFile("newssfile")
if err != nil {
return err
}
fmt.Println("File Received: " + hdr.Filename)
extIdx := strings.LastIndex(hdr.Filename, ".")
fltp := "png"
if len(hdr.Filename) > extIdx {
fltp = hdr.Filename[extIdx+1:]
}
m, _, err := image.Decode(file)
buf := new(bytes.Buffer)
// We convert everything to jpg
if err = jpeg.Encode(buf, m, nil); err != nil {
return errors.New("Unable to encode image")
}
thm := resize.Resize(200, 0, m, resize.Lanczos3)
thmBuf := new(bytes.Buffer)
var thmString string
if fltp == "gif" {
if err = gif.Encode(thmBuf, thm, nil); err != nil {
return errors.New("Unable to encode image")
}
} else {
if err = jpeg.Encode(thmBuf, thm, nil); err != nil {
return errors.New("Unable to encode image")
}
}
thmString = base64.StdEncoding.EncodeToString(thmBuf.Bytes())
return dbSaveTeamGameScreenshot(teamId, &Screenshot{
Image: base64.StdEncoding.EncodeToString(buf.Bytes()),
Thumbnail: thmString,
Filetype: fltp,
})
}