implement types list

crm/types.go

@@ -1,13 +1,44 @@
 package crm
 
 import (
+	"os"
+	"path"
+	"path/filepath"
+	"encoding/json"
+
 	"github.com/pkg/errors"
 )
 
 var _ = errors.Wrap
 
 func (*Types) List(r *typesListRequest) (interface{}, error) {
-	return nil, errors.New("Not implemented: Types.list")
+	matches, err := filepath.Glob("../crm/types/*.json")
+	if err != nil {
+		return nil, err
+	}
+
+	decodeFile := func(filename string) (map[string]interface{}, error) {
+		file, err := os.Open(filename)
+		if err != nil {
+			return nil, err
+		}
+		defer file.Close()
+		result := make(map[string]interface{})
+		return result, json.NewDecoder(file).Decode(&result)
+	}
+
+	res := make([]interface{}, 0)
+	for _, match := range matches {
+		t := path.Base(match)
+		t = t[:len(t)-5]
+		params, err := decodeFile(match)
+		if err != nil {
+			return nil, errors.Wrap(err, "Error when parsing "+match)
+		}
+		params["type"] = t
+		res = append(res, params)
+	}
+	return res, nil
 }
 
 func (*Types) Type(r *typesTypeRequest) (interface{}, error) {