admin: add public interface management

admin/api/public.go

@@ -0,0 +1,80 @@
+package api
+
+import (
+	"encoding/json"
+	"os"
+	"path"
+
+	"github.com/julienschmidt/httprouter"
+)
+
+func init() {
+	router.GET("/api/public.json", apiHandler(getPublic))
+	router.DELETE("/api/public.json", apiHandler(deletePublic))
+	router.PUT("/api/public.json", apiHandler(savePublic))
+}
+
+type FICPublicScene struct {
+	Type   string                  `json:"type"`
+	Params map[string]interface{}  `json:"params"`
+}
+
+func readPublic(path string) ([]FICPublicScene, error) {
+	var s []FICPublicScene
+	if fd, err := os.Open(path); err != nil {
+		return s, err
+	} else {
+		defer fd.Close()
+		jdec := json.NewDecoder(fd)
+
+		if err := jdec.Decode(&s); err != nil {
+			return s, err
+		}
+
+		return s, nil
+	}
+}
+
+func savePublicTo(path string, s []FICPublicScene) error {
+	if fd, err := os.Create(path); err != nil {
+		return err
+	} else {
+		defer fd.Close()
+		jenc := json.NewEncoder(fd)
+
+		if err := jenc.Encode(s); err != nil {
+			return err
+		}
+
+		return nil
+	}
+}
+
+func getPublic(_ httprouter.Params, body []byte) (interface{}, error) {
+	if _, err := os.Stat(path.Join(TeamsDir, "_public", "public.json")); !os.IsNotExist(err) {
+		return readPublic(path.Join(TeamsDir, "_public", "public.json"))
+	} else {
+		return []FICPublicScene{}, nil
+	}
+}
+
+func deletePublic(_ httprouter.Params, body []byte) (interface{}, error) {
+	if err := savePublicTo(path.Join(TeamsDir, "_public", "public.json"), []FICPublicScene{}); err != nil {
+		return nil, err
+	} else {
+		return []FICPublicScene{}, err
+	}
+}
+
+func savePublic(_ httprouter.Params, body []byte) (interface{}, error) {
+	var scenes []FICPublicScene
+	if err := json.Unmarshal(body, &scenes); err != nil {
+		return nil, err
+	}
+
+	if err := savePublicTo(path.Join(TeamsDir, "_public", "public.json"), scenes); err != nil {
+		return nil, err
+	} else {
+		return scenes, err
+	}
+}