🎉 Initial implementation using fyne v1

internal/scraper/go.mod

@@ -0,0 +1,8 @@
+module gitmojiicons
+
+go 1.15
+
+require (
+	github.com/PuerkitoBio/goquery v1.5.0
+	golang.org/x/net v0.0.0-20190522155817-f3200d17e092 // indirect
+)

internal/scraper/go.sum

@@ -0,0 +1,14 @@
+github.com/PuerkitoBio/goquery v1.5.0 h1:uGvmFXOA73IKluu/F84Xd1tt/z07GYm8X49XKHP7EJk=
+github.com/PuerkitoBio/goquery v1.5.0/go.mod h1:qD2PgZ9lccMbQlc7eEOjaeRlFQON7xY8kdmcsrnKqMg=
+github.com/andybalholm/cascadia v1.0.0 h1:hOCXnnZ5A+3eVDX8pvgl4kofXv2ELss0bKcqRySc45o=
+github.com/andybalholm/cascadia v1.0.0/go.mod h1:GsXiBklL0woXo1j/WYWtSYYC4ouU9PqHO0sqidkEA4Y=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2 h1:VklqNMn3ovrHsnt90PveolxSbWFaJdECFbxSq0Mqo2M=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/net v0.0.0-20180218175443-cbe0f9307d01/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/net v0.0.0-20190522155817-f3200d17e092 h1:4QSRKanuywn15aTZvI/mIDEgPQpswuFndXpOj3rKEco=
+golang.org/x/net v0.0.0-20190522155817-f3200d17e092/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a h1:1BGLXjeY4akVXGgbC9HugT3Jv3hCI0z56oJR5vAMgBU=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=

internal/scraper/imagescraper.go

@@ -0,0 +1,81 @@
+package main
+
+import (
+	"encoding/base64"
+	"encoding/json"
+	"fmt"
+	"github.com/PuerkitoBio/goquery"
+	"log"
+	"net/http"
+	"os"
+	"path"
+	"strings"
+)
+
+type gitmojiEntry struct {
+	Emoji string `json:"emoji"`
+	Name string `json:"name"`
+}
+
+type gitmojiData struct {
+	Gitmojis []gitmojiEntry `json:"gitmojis"`
+}
+
+const baseDir = "../../data/images"
+
+func main() {
+	os.RemoveAll(baseDir)
+	os.MkdirAll(baseDir, 0755)
+
+	data := gitmojiData{}
+	f, err := os.Open("../../data/gitmojis.json")
+	if err != nil {
+		log.Fatal("cannot open data:", err)
+	}
+	err = json.NewDecoder(f).Decode(&data)
+	f.Close()
+	if err != nil {
+		log.Fatal("cannot decode gitmojis:", err)
+	}
+
+	resp, err := http.DefaultClient.Get("https://unicode.org/emoji/charts/emoji-list.html")
+	if err != nil {
+		log.Fatal("cannot get emoji list:", err)
+	}
+	if resp.StatusCode != http.StatusOK {
+		log.Fatal("unexpected status getting emoji list:", resp.StatusCode)
+	}
+	doc, err := goquery.NewDocumentFromReader(resp.Body)
+	resp.Body.Close()
+	if err != nil {
+		log.Fatal("cannot parse emojis:", err)
+	}
+
+	for _, entry := range data.Gitmojis {
+		var er rune
+		for _, r := range entry.Emoji {
+			er = r
+			break
+		}
+		src := findImage(doc, er)
+		b, err := base64.StdEncoding.DecodeString(src)
+		if err != nil {
+			log.Println("cannot decode image for ", entry.Name, ": ", err)
+			continue
+		}
+		f, err := os.Create(path.Join(baseDir, entry.Name + ".png"))
+		if err != nil {
+			log.Println("cannot create image for ", entry.Name, ": ", err)
+			continue
+		}
+		f.Write(b)
+		f.Close()
+	}
+}
+
+const imagePrefix = "data:image/png;base64,"
+
+func findImage(doc *goquery.Document, emoji rune) string {
+	src := doc.Find(fmt.Sprintf("img[alt='%s']", string(emoji))).AttrOr("src", "")
+	return strings.TrimPrefix(src, imagePrefix)
+}