Initial commit

4 files changed, 187 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..936ee9e
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,37 @@
+sixkcd
+
+# Swap
+[._]*.s[a-v][a-z]
+!*.svg  # comment out if you don't need vector files
+[._]*.sw[a-p]
+[._]s[a-rt-v][a-z]
+[._]ss[a-gi-z]
+[._]sw[a-p]
+
+# Session
+Session.vim
+Sessionx.vim
+
+# Temporary
+.netrwhist
+*~
+# Auto-generated tag files
+tags
+# Persistent undo
+[._]*.un~
+
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+# vendor/
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..ab9c2da
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,15 @@
+module github.com/ChausseBenjamin/sixkcd
+
+go 1.22.3
+
+require (
+	github.com/mattn/go-sixel v0.0.5
+	github.com/urfave/cli/v2 v2.27.2
+)
+
+require (
+	github.com/cpuguy83/go-md2man/v2 v2.0.4 // indirect
+	github.com/russross/blackfriday/v2 v2.1.0 // indirect
+	github.com/soniakeys/quant v1.0.0 // indirect
+	github.com/xrash/smetrics v0.0.0-20240312152122-5f08fbb34913 // indirect
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..9f2957b
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,12 @@
+github.com/cpuguy83/go-md2man/v2 v2.0.4 h1:wfIWP927BUkWJb2NmU/kNDYIBTh/ziUX91+lVfRxZq4=
+github.com/cpuguy83/go-md2man/v2 v2.0.4/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+github.com/mattn/go-sixel v0.0.5 h1:55w2FR5ncuhKhXrM5ly1eiqMQfZsnAHIpYNGZX03Cv8=
+github.com/mattn/go-sixel v0.0.5/go.mod h1:h2Sss+DiUEHy0pUqcIB6PFXo5Cy8sTQEFr3a9/5ZLNw=
+github.com/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf35Ld67mk=
+github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
+github.com/soniakeys/quant v1.0.0 h1:N1um9ktjbkZVcywBVAAYpZYSHxEfJGzshHCxx/DaI0Y=
+github.com/soniakeys/quant v1.0.0/go.mod h1:HI1k023QuVbD4H8i9YdfZP2munIHU4QpjsImz6Y6zds=
+github.com/urfave/cli/v2 v2.27.2 h1:6e0H+AkS+zDckwPCUrZkKX38mRaau4nL2uipkJpbkcI=
+github.com/urfave/cli/v2 v2.27.2/go.mod h1:g0+79LmHHATl7DAcHO99smiR/T7uGLw84w8Y42x+4eM=
+github.com/xrash/smetrics v0.0.0-20240312152122-5f08fbb34913 h1:+qGGcbkzsfDQNPPe9UDgpxAWQrhbbBXOYJFQDq/dtJw=
+github.com/xrash/smetrics v0.0.0-20240312152122-5f08fbb34913/go.mod h1:4aEEwZQutDLsQv2Deui4iYQ6DWTxR14g6m8Wv88+Xqk=
diff --git a/sixkcd.go b/sixkcd.go
new file mode 100644
index 0000000..efb65a7
--- /dev/null
+++ b/sixkcd.go
@@ -0,0 +1,123 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"image"
+	_ "image/png"
+	_ "image/jpeg"
+	"io"
+	"log"
+	"math/rand"
+	"net/http"
+	"os"
+	"strconv"
+
+	"github.com/mattn/go-sixel"
+	"github.com/urfave/cli/v2"
+)
+
+const (
+  hostname = "https://xkcd.com"
+  target = "info.0.json"
+)
+
+type Xkcd struct {
+  Month string
+  Num int
+  Link string
+  Year string
+  News string
+  Safe_title string
+  Transcript string
+  Alt string
+  Img string
+  Title string
+  Day string
+}
+
+func main() {
+  app := &cli.App{
+    Name: "siXKCD",
+    Usage: "Sixel viewer/fetcher for XKCD Comics",
+    Flags: []cli.Flag{
+      &cli.StringFlag{
+        Name: "id",
+        Aliases: []string{"i"},
+        Usage: "Specify which comic `ID` to fetch.\nA value of 0 will fetch the latest comic (default: random)",
+      },
+    },
+    Action: func(ctx *cli.Context) error {
+      comic := fetchComic("latest")
+      switch ctx.String("id") {
+      case "0":
+        // Latest is already fetched
+        break
+      case "":
+        // Random
+        rand := rand.Intn(comic.Num+1)
+        comic = fetchComic(strconv.Itoa(rand))
+      default:
+        comic = fetchComic(ctx.String("id"))
+      }
+      var img image.Image = fetchImg(comic.Img)
+
+      fmt.Println("Title: ", comic.Title)
+      encoder := sixel.NewEncoder(os.Stdout)
+      _ = encoder.Encode(img)
+      if comic.Alt != "" {
+        fmt.Println(comic.Alt)
+      }
+
+
+      return nil
+    },
+  }
+
+  if err := app.Run(os.Args); err != nil {
+    log.Fatal(err)
+  }
+}
+
+func fetchComic(id string) Xkcd {
+  var res *http.Response
+
+  var err error
+
+  if id == "latest" {
+    res, err = http.Get(hostname+"/"+target)
+  } else {
+    res, err = http.Get(hostname+"/"+id+"/"+target)
+  }
+
+  if err != nil {
+    log.Fatal(err)
+  }
+
+  content, err := io.ReadAll(res.Body)
+  res.Body.Close()
+  if err != nil {
+    log.Fatal(err)
+  }
+  today := Xkcd{}
+  err = json.Unmarshal(content, &today)
+  if err != nil {
+    log.Fatal(err)
+  }
+
+  return today
+}
+
+func fetchImg(url string) image.Image {
+  res, err := http.Get(url)
+  if err != nil {
+    log.Fatal(err)
+  }
+  img, _, err := image.Decode(res.Body)
+  if err != nil {
+    log.Fatal(err)
+  }
+  res.Body.Close()
+
+  return img
+}