2 files changed, 92 insertions, 0 deletions
diff --git a/internal/api/api.go b/internal/api/api.go
new file mode 100644
index 0000000..7c8472a
--- /dev/null
+++ b/internal/api/api.go
@@ -0,0 +1,64 @@
+// Package api contains type definitions for the gob API.
+package api
+
+import "encoding/gob"
+
+type ErrorCode int
+
+//go:generate go tool stringer -type=ErrorCode
+const (
+	Ok               ErrorCode = iota
+	Unauthenticated            // missing credentials
+	PermissionDenied           // invalid credentials, or login required
+	BadRequest                 // incorrect request format (try gob)
+	NotFound                   // requested resource was not found
+	Internal                   // server encountered an unexpected error
+)
+
+func (c ErrorCode) Error() string {
+	return c.String()
+}
+
+type Response struct {
+	Status ErrorCode
+	Err    string
+	Ok     any
+}
+
+type LoginResponse struct {
+	Token string
+}
+
+type ListNotesRequest struct{}
+
+type ListNotesResponse struct {
+	Notes []string
+}
+
+type CreateNoteRequestStream struct {
+	Chunk []byte
+}
+
+type CreateNoteResponse struct {
+	Name string
+}
+
+type ReadNoteRequest struct {
+	Note string
+}
+
+type ReadNoteResponseStream struct {
+	Chunk []byte
+}
+
+type DeleteNoteRequest struct{}
+
+type DeleteNoteResponse struct{}
+
+func init() {
+	gob.Register(&LoginResponse{})
+	gob.Register(&ListNotesResponse{})
+	gob.Register(&CreateNoteResponse{})
+	gob.Register(&ReadNoteResponseStream{})
+	gob.Register(&DeleteNoteResponse{})
+}
diff --git a/internal/api/errorcode_string.go b/internal/api/errorcode_string.go
new file mode 100644
index 0000000..2b4a294
--- /dev/null
+++ b/internal/api/errorcode_string.go
@@ -0,0 +1,28 @@
+// Code generated by "stringer -type=ErrorCode"; DO NOT EDIT.
+
+package api
+
+import "strconv"
+
+func _() {
+	// An "invalid array index" compiler error signifies that the constant values have changed.
+	// Re-run the stringer command to generate them again.
+	var x [1]struct{}
+	_ = x[Ok-0]
+	_ = x[Unauthenticated-1]
+	_ = x[PermissionDenied-2]
+	_ = x[BadRequest-3]
+	_ = x[NotFound-4]
+	_ = x[Internal-5]
+}
+
+const _ErrorCode_name = "OkUnauthenticatedPermissionDeniedBadRequestNotFoundInternal"
+
+var _ErrorCode_index = [...]uint8{0, 2, 17, 33, 43, 51, 59}
+
+func (i ErrorCode) String() string {
+	if i < 0 || i >= ErrorCode(len(_ErrorCode_index)-1) {
+		return "ErrorCode(" + strconv.FormatInt(int64(i), 10) + ")"
+	}
+	return _ErrorCode_name[_ErrorCode_index[i]:_ErrorCode_index[i+1]]
+}