From 3cb5513cb405af78a01750a29a93be28ac5d90e4 Mon Sep 17 00:00:00 2001
From: Martin Czygan <martin.czygan@gmail.com>
Date: Wed, 21 Apr 2021 17:49:12 +0200
Subject: wip: a few dot examples

---
 skate/cmd/skate-dot/main.go | 80 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 skate/cmd/skate-dot/main.go

(limited to 'skate/cmd')

diff --git a/skate/cmd/skate-dot/main.go b/skate/cmd/skate-dot/main.go
new file mode 100644
index 0000000..97b70ad
--- /dev/null
+++ b/skate/cmd/skate-dot/main.go
@@ -0,0 +1,80 @@
+// skate-dot generates dot files from inbound and outbound citation links.
+package main
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"io"
+	"log"
+	"os"
+
+	"github.com/elastic/go-elasticsearch/esapi"
+	elasticsearch "github.com/elastic/go-elasticsearch/v7"
+)
+
+var (
+	es     = flag.String("es", "http://localhost:9200", "elasticsearch holding fatcat_ref index")
+	index  = flag.String("x", "fatcat_ref_v01", "index name")
+	fatcat = flag.String("f", "https://api.fatcat.wiki/v0", "fatcat api")
+	ident  = flag.String("i", "2kw3xjf2cbcmdlm3ihkoz2t4lu", "release ident")
+)
+
+func main() {
+	flag.Parse()
+	// s := "The Determination of Concentration and Type of Ownership on Bank Performance and Risks in Indonesia"
+	// fmt.Printf("%s\n", wordwrap.WrapString(s, 20))
+	cfg := elasticsearch.Config{
+		Addresses: []string{
+			*es,
+		},
+	}
+	es, err := elasticsearch.NewClient(cfg)
+	if err != nil {
+		log.Fatal(err)
+	}
+	client := &Client{
+		Api:   *fatcat,
+		Es:    es,
+		Index: *index,
+	}
+	log.Println(client)
+	client.Outbound(*ident)
+	client.Inbound(*ident)
+}
+
+// A client for fatcat and elasticsearch.
+type Client struct {
+	Api   string
+	Es    *elasticsearch.Client
+	Index string
+}
+
+func (c *Client) String() string {
+	info, _ := c.Es.Info()
+	return fmt.Sprintf("%s %s (%s) %s", c.Api, info, elasticsearch.Version, c.Index)
+}
+
+func (c *Client) Inbound(ident string) []string {
+	resp, err := esapi.Search(
+		esapi.Search.WithContext(context.Background()),
+		esapi.Search.WithIndex(c.Index),
+	)
+	if err != nil {
+		log.Fatal(err)
+	}
+	io.Copy(os.Stdout, resp.Body)
+	return nil
+}
+
+func (c *Client) Outbound(ident string) []string {
+	req := &esapi.SearchRequest{
+		Query: fmt.Sprintf("source_release_ident:%s", ident),
+	}
+	resp, err := req.Do(context.Background(), c.Es)
+	if err != nil {
+		log.Fatal(err)
+	}
+	io.Copy(os.Stdout, resp.Body)
+	return nil
+}
-- 
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