Simplify image compression

master
Jan-Lukas Else 2020-07-21 21:40:39 +02:00
förälder 05e6f383c2
incheckning 0f2ac430ce
3 ändrade filer med 79 tillägg och 17 borttagningar

1
go.mod
Visa fil

@ -3,7 +3,6 @@ module git.jlel.se/jlelse/hugo-micropub
go 1.14
require (
codeberg.org/jlelse/tinify v0.0.0-20200123222407-7fc9c21822b0
github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be // indirect
github.com/gliderlabs/ssh v0.3.0 // indirect
github.com/go-git/go-git/v5 v5.1.0

2
go.sum
Visa fil

@ -1,5 +1,3 @@
codeberg.org/jlelse/tinify v0.0.0-20200123222407-7fc9c21822b0 h1:pJX79kTd01NtxEnzhfd4OU2SY9fquKVoO47DUeNKe+8=
codeberg.org/jlelse/tinify v0.0.0-20200123222407-7fc9c21822b0/go.mod h1:X6cM4Sn0aL/4VQ/ku11yxmiV0WIk5XAaYEPHQLQjFFM=
github.com/alcortesm/tgz v0.0.0-20161220082320-9c5fe88206d7 h1:uSoVVbwJiQipAclBbw+8quDsfcvFjOpI5iCf4p/cqCs=
github.com/alcortesm/tgz v0.0.0-20161220082320-9c5fe88206d7/go.mod h1:6zEj6s6u/ghQa61ZWa/C2Aw3RkjiTBOix7dkqa1VLIs=
github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239 h1:kFOfPq6dUM1hTo4JG6LR5AXSUEsOjtdm0kw0FtQtMJA=

Visa fil

@ -1,13 +1,15 @@
package main
import (
"bytes"
"encoding/json"
"errors"
"io"
"io/ioutil"
"net/http"
"os"
"sort"
"strings"
tfgo "codeberg.org/jlelse/tinify"
)
type ImageCompression interface {
@ -32,32 +34,27 @@ func (t *Tinify) Compress(url string) (location string, err error) {
err = errors.New("file not supported")
return
}
tfgo.SetKey(t.key)
s, e := tfgo.FromUrl(url)
// Shrink
shrinkedUrl, e := t.shrink(url)
if e != nil {
err = errors.New("failed to compress file")
return
}
e = s.Resize(&tfgo.ResizeOption{
Method: tfgo.ResizeMethodScale,
Width: 2000,
})
if e != nil {
err = errors.New("failed to resize file")
return
}
// Create temp file
file, e := ioutil.TempFile("", "tiny-*."+fileExtension)
if e != nil {
err = errors.New("failed to create temporary file")
return
}
defer func() {
// Cleanup
_ = file.Close()
_ = os.Remove(file.Name())
}()
e = s.ToFile(file.Name())
// Resize and download image
e = t.resize(shrinkedUrl, file)
if e != nil {
err = errors.New("failed to save compressed file")
err = errors.New("failed to resize file or save compressed file")
return
}
hashFile, e := os.Open(file.Name())
@ -73,3 +70,71 @@ func (t *Tinify) Compress(url string) (location string, err error) {
location, err = SelectedMediaStorage.Upload(fileName+"."+fileExtension, file)
return
}
func (t *Tinify) shrink(source string) (string, error) {
type Source struct {
Url string `json:"url"`
}
data := struct {
Source Source `json:"source"`
}{
Source: Source{
Url: source,
},
}
body := new(bytes.Buffer)
err := json.NewEncoder(body).Encode(data)
if err != nil {
return "", err
}
req, err := http.NewRequest("POST", "https://api.tinify.com/shrink", body)
if err != nil {
return "", err
}
req.SetBasicAuth("api", t.key)
req.Header.Set("Content-Type", "application/json")
resp, err := http.DefaultClient.Do(req)
if err != nil {
return "", err
}
if resp.StatusCode != 201 {
return "", errors.New("not 201 response code")
}
return resp.Header.Get("Location"), nil
}
func (t *Tinify) resize(output string, file *os.File) error {
type Resize struct {
Method string `json:"method"`
Width int `json:"width"`
}
data := struct {
Resize Resize `json:"resize"`
}{
Resize: Resize{
Method: "scale",
Width: 2000,
},
}
body := new(bytes.Buffer)
err := json.NewEncoder(body).Encode(data)
if err != nil {
return err
}
req, err := http.NewRequest("POST", output, body)
if err != nil {
return err
}
req.SetBasicAuth("api", t.key)
req.Header.Set("Content-Type", "application/json")
resp, err := http.DefaultClient.Do(req)
if err != nil {
return err
}
if resp.StatusCode != 200 {
return errors.New("not 201 response code")
}
defer resp.Body.Close()
_, err = io.Copy(file, resp.Body)
return err
}