From 131595eb60457115dbe9d3bc7c9dedb4253a17ed Mon Sep 17 00:00:00 2001
From: Martin Czygan <martin.czygan@gmail.com>
Date: Sat, 22 May 2021 00:40:36 +0200
Subject: wip: ol fuzzy matching

---
 skate/cmd/skate-reduce/main.go | 20 +++++++++++++++---
 skate/zippy.go                 | 47 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 64 insertions(+), 3 deletions(-)

(limited to 'skate')

diff --git a/skate/cmd/skate-reduce/main.go b/skate/cmd/skate-reduce/main.go
index ca87994..19e5fb5 100644
--- a/skate/cmd/skate-reduce/main.go
+++ b/skate/cmd/skate-reduce/main.go
@@ -34,6 +34,11 @@
 // * wiki  | zippy mode for releases and wikipedia inputs.
 //         |
 //         | $ skate-reduce -m wiki -L a.ndj -W b.ndj
+//         |
+//         |
+// * ol    | zippy mode for releases and OL inputs.
+//         |
+//         | $ skate-reduce -m ol -F a.ndj -O b.ndj
 //
 package main
 
@@ -58,9 +63,10 @@ var (
 	logFile    = flag.String("log", "", "log filename")
 
 	// Possible inputs -- we could switch to a subcommand cli parser?
-	refs     = flag.String("F", "", "path to refs input")
-	releases = flag.String("L", "", "path to release input")
-	wiki     = flag.String("W", "", "path to wiki input")
+	refs        = flag.String("F", "", "path to refs input")
+	releases    = flag.String("L", "", "path to release input")
+	wiki        = flag.String("W", "", "path to wiki input")
+	openLibrary = flag.String("O", "", "path to open library input")
 
 	// Extra args.
 	reason    = flag.String("r", "", "reason for match: doi, pmid, pmcid, arxiv, unknown")
@@ -131,6 +137,14 @@ func main() {
 		if err := skate.ZippyExactWiki(l, w, reasonMap["doi"], bw); err != nil {
 			log.Fatal(err)
 		}
+	case "ol":
+		o, f, err := xio.OpenTwo(*openLibrary, *refs)
+		if err != nil {
+			log.Fatal(err)
+		}
+		if err := skate.ZippyRefsOpenLibrary(o, f, bw); err != nil {
+			log.Fatal(err)
+		}
 	default:
 		log.Fatalf("invalid mode")
 	}
diff --git a/skate/zippy.go b/skate/zippy.go
index f2dca98..194b8ba 100644
--- a/skate/zippy.go
+++ b/skate/zippy.go
@@ -159,6 +159,53 @@ func ZippyVerifyRefs(releases, refs io.Reader, w io.Writer) error {
 	return zipper.Run()
 }
 
+// ZippyRefsOpenLibrary takes a release and refs reader (tsv, with ident, key, doc)
+// and will execute gf for each group found.
+func ZippyRefsOpenLibrary(olr, refs io.Reader, w io.Writer) error {
+	// Define a grouper, working on one set of refs and releases with the same
+	// key at a time. Here, we do verification and write out the generated
+	// biblioref.
+	var (
+		enc     = json.NewEncoder(w)
+		keyer   = makeKeyFunc("\t", 1)
+		grouper = func(g *zipkey.Group) error {
+			var (
+				re, pivot *Release
+				err       error
+			)
+			if len(g.G0) == 0 || len(g.G1) == 0 {
+				return nil
+			}
+			if pivot, err = stringToRelease(cut(g.G0[0], "\t", 2)); err != nil {
+				return err
+			}
+			for _, line := range g.G1 {
+				if re, err = stringToRelease(cut(line, "\t", 2)); err != nil {
+					return err
+				}
+				result := Verify(pivot, re)
+				switch result.Status {
+				case StatusExact, StatusStrong:
+					if result.Reason == ReasonDOI {
+						continue
+					}
+					br := generateBiblioRef(re, pivot, result, "fuzzy")
+					if err := enc.Encode(br); err != nil {
+						return err
+					}
+				default:
+					// XXX: We want to add unmatched pieces as well; here?  We
+					// probably want to do a single final pass to complete the
+					// dataset.
+				}
+			}
+			return nil
+		}
+	)
+	zipper := zipkey.New(olr, refs, keyer, grouper)
+	return zipper.Run()
+}
+
 // makeKeyFunc creates a function that can be used as keyFunc, selecting a
 // column from fields separated by sep; column is 1-indexed.
 func makeKeyFunc(sep string, column int) func(string) (string, error) {
-- 
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