From 09a7e8c9d013f13a1aa1ef4e9b7f397647b79967 Mon Sep 17 00:00:00 2001
From: Martin Czygan <martin.czygan@gmail.com>
Date: Sun, 21 Mar 2021 01:17:38 +0100
Subject: initial import of skate

---
 skate/cmd/skate-ref-to-release/main.go | 82 ++++++++++++++++++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100644 skate/cmd/skate-ref-to-release/main.go

(limited to 'skate/cmd/skate-ref-to-release')

diff --git a/skate/cmd/skate-ref-to-release/main.go b/skate/cmd/skate-ref-to-release/main.go
new file mode 100644
index 0000000..0eec40b
--- /dev/null
+++ b/skate/cmd/skate-ref-to-release/main.go
@@ -0,0 +1,82 @@
+// skate-ref-to-release converts a "ref" document to a "release" document.
+//
+package main
+
+import (
+	"flag"
+	"log"
+	"os"
+	"runtime"
+	"strings"
+
+	"github.com/miku/parallel"
+	"git.archive.org/martin/cgraph/skate"
+
+	jsoniter "github.com/json-iterator/go"
+)
+
+var (
+	numWorkers = flag.Int("w", runtime.NumCPU(), "number of workers")
+	batchSize  = flag.Int("b", 100000, "batch size")
+	fromFormat = flag.String("f", "ref", "import data shape")
+
+	json         = jsoniter.ConfigCompatibleWithStandardLibrary
+	bytesNewline = []byte("\n")
+)
+
+func refToRelease(p []byte) ([]byte, error) {
+	var ref skate.Ref
+	if err := json.Unmarshal(p, &ref); err != nil {
+		return nil, err
+	}
+	release, err := skate.RefToRelease(&ref)
+	if err != nil {
+		return nil, err
+	}
+	release.Extra.Skate.Status = "ref" // means: converted from ref
+	release.Extra.Skate.Ref.Index = ref.Index
+	release.Extra.Skate.Ref.Key = ref.Key
+	b, err := json.Marshal(release)
+	b = append(b, bytesNewline...)
+	return b, err
+}
+
+func rgSitemapToRelease(p []byte) ([]byte, error) {
+	var (
+		s       skate.Sitemap
+		release skate.Release
+	)
+	if err := json.Unmarshal(p, &s); err != nil {
+		return nil, err
+	}
+	release.Title = s.Title
+	if len(s.URL) > 41 {
+		// XXX: A pseudo ident, maybe irritating.
+		release.Ident = strings.Split(s.URL[41:], "_")[0]
+	}
+	release.Extra.Skate.Status = "rg"
+	release.Extra.Skate.ResearchGate.URL = s.URL
+	b, err := json.Marshal(release)
+	b = append(b, bytesNewline...)
+	return b, err
+}
+
+func main() {
+	flag.Parse()
+	switch *fromFormat {
+	case "ref":
+		pp := parallel.NewProcessor(os.Stdin, os.Stdout, refToRelease)
+		pp.NumWorkers = *numWorkers
+		pp.BatchSize = *batchSize
+		if err := pp.Run(); err != nil {
+			log.Fatal(err)
+		}
+	case "rg":
+		pp := parallel.NewProcessor(os.Stdin, os.Stdout, rgSitemapToRelease)
+		pp.NumWorkers = *numWorkers
+		pp.BatchSize = *batchSize
+		if err := pp.Run(); err != nil {
+			log.Fatal(err)
+		}
+	}
+}
-- 
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