Can display but have not yet fetched one

view/html.go

@@ -0,0 +1,45 @@
+package view
+
+import (
+	"encoding/json"
+	"fmt"
+	"local/whodunit/config"
+	"local/whodunit/storage"
+	"net/http"
+)
+
+func Html(g storage.Graph) error {
+	err := http.ListenAndServe(fmt.Sprintf(":%d", config.New().Port), foo(g))
+	return err
+}
+
+func foo(g storage.Graph) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		var err error
+		switch r.URL.Path {
+		case "/who":
+			err = who(g, w, r)
+		default:
+			http.NotFound(w, r)
+			return
+		}
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+		}
+	})
+}
+
+func who(g storage.Graph, w http.ResponseWriter, r *http.Request) error {
+	results := make(map[string]storage.One)
+	for _, id := range r.URL.Query()["id"] {
+		ones, err := g.List(r.Context(), id)
+		if err != nil {
+			return err
+		}
+		if len(ones) != 1 {
+			ones = nil
+		}
+		results[id] = ones[0]
+	}
+	return json.NewEncoder(w).Encode(results)
+}

view/html_test.go

@@ -0,0 +1,63 @@
+package view
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"local/whodunit/config"
+	"local/whodunit/storage"
+	"net/http"
+	"os"
+	"testing"
+	"time"
+)
+
+func TestHtml(t *testing.T) {
+	if len(os.Getenv("INTEGRATION")) > 0 {
+		t.Logf("skipping because $INTEGRATION unset")
+		return
+	}
+
+	os.Args = os.Args[:1]
+	g := storage.NewGraph()
+	ones := []storage.One{
+		storage.One{
+			ID:   "A",
+			Know: []storage.One{storage.One{}},
+		},
+		storage.One{
+			ID:   "B",
+			Know: []storage.One{storage.One{}},
+		},
+	}
+	ones[0].Know[0] = ones[1]
+	ones[0].Know[0].Know = nil
+	ones[0].Know[0].Relation = ":)"
+	ones[1].Know[0] = ones[0]
+	ones[1].Know[0].Know = nil
+	ones[1].Know[0].Relation = ":("
+
+	g.Insert(context.TODO(), ones[0])
+	g.Insert(context.TODO(), ones[1])
+
+	go func() {
+		if err := Html(g); err != nil {
+			t.Fatal(err)
+		}
+	}()
+	time.Sleep(time.Millisecond * 250)
+	resp, err := http.Get(fmt.Sprintf("http://localhost:%d/who?id=A&id=B", config.New().Port))
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer resp.Body.Close()
+	var v interface{}
+	if err := json.NewDecoder(resp.Body).Decode(&v); err != nil {
+		t.Fatal(err)
+	}
+	b, err := json.MarshalIndent(v, "", "   ")
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Logf("\n%s\n", b)
+}