| 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "io" |
| 5 | "net/http" |
| 6 | "strconv" |
| 7 | |
| 8 | "github.com/stevedylandev/andromeda/pkg/web" |
| 9 | ) |
| 10 | |
| 11 | const maxUploadBytes = 20 * 1024 * 1024 |
| 12 | |
| 13 | func (a *App) indexHandler(w http.ResponseWriter, r *http.Request) { |
| 14 | web.Render(a.Templates, w, "index.html", nil, a.Log) |
| 15 | } |
| 16 | |
| 17 | func (a *App) compressHandler(w http.ResponseWriter, r *http.Request) { |
| 18 | r.Body = http.MaxBytesReader(w, r.Body, maxUploadBytes) |
| 19 | if err := r.ParseMultipartForm(maxUploadBytes); err != nil { |
| 20 | http.Error(w, "Failed to read upload: "+err.Error(), http.StatusBadRequest) |
| 21 | return |
| 22 | } |
| 23 | |
| 24 | file, header, err := r.FormFile("file") |
| 25 | if err != nil { |
| 26 | http.Error(w, "No file provided", http.StatusBadRequest) |
| 27 | return |
| 28 | } |
| 29 | defer file.Close() |
| 30 | data, err := io.ReadAll(file) |
| 31 | if err != nil { |
| 32 | http.Error(w, "Failed to read file: "+err.Error(), http.StatusBadRequest) |
| 33 | return |
| 34 | } |
| 35 | |
| 36 | quality := 80 |
| 37 | if v := r.FormValue("quality"); v != "" { |
| 38 | if q, err := strconv.Atoi(v); err == nil { |
| 39 | quality = q |
| 40 | } |
| 41 | } |
| 42 | width := 0 |
| 43 | if v := r.FormValue("width"); v != "" { |
| 44 | if wv, err := strconv.Atoi(v); err == nil && wv > 0 { |
| 45 | width = wv |
| 46 | } |
| 47 | } |
| 48 | |
| 49 | out, err := compressImage(data, quality, width) |
| 50 | if err != nil { |
| 51 | http.Error(w, "Compression failed: "+err.Error(), http.StatusInternalServerError) |
| 52 | return |
| 53 | } |
| 54 | |
| 55 | name := "image" |
| 56 | if header != nil && header.Filename != "" { |
| 57 | name = header.Filename |
| 58 | } |
| 59 | w.Header().Set("Content-Type", "image/jpeg") |
| 60 | w.Header().Set("Content-Disposition", `attachment; filename="`+buildDownloadFilename(name, "jpg")+`"`) |
| 61 | _, _ = w.Write(out) |
| 62 | } |