From 627a5ed5c6f32fb7d67d3f51862ad0c3a4fae75e Mon Sep 17 00:00:00 2001
From: Lukas Jenicek <lukas.jenicek5@gmail.com>
Date: Fri, 18 Oct 2024 11:39:02 +0200
Subject: [PATCH] regenerate examples

---
 _examples/golang-basics/example.gen.go | 76 ++++++++++++++++++++++++--
 _examples/golang-imports/api.gen.go    | 57 +++++++++++++++++++
 2 files changed, 128 insertions(+), 5 deletions(-)

diff --git a/_examples/golang-basics/example.gen.go b/_examples/golang-basics/example.gen.go
index 7b6da62..5333931 100644
--- a/_examples/golang-basics/example.gen.go
+++ b/_examples/golang-basics/example.gen.go
@@ -1,4 +1,4 @@
-// example v0.0.1 05b7a5c86b98738f4fe6ce9bb1fccd4af064847a
+// example v0.0.1 ccd12408e7dd53252d6e605ae1619666287d960e
 // --
 // Code generated by webrpc-gen@v0.20.3-1-gf6584bc with ../../../gen-golang generator. DO NOT EDIT.
 //
@@ -21,6 +21,10 @@ import (
 	"github.com/google/uuid"
 )
 
+const WebrpcHeader = "Webrpc"
+
+const WebrpcHeaderValue = "webrpc@v0.20.3-1-gf6584bc;gen-golang@unknown;example@v0.0.1"
+
 // WebRPC description and code-gen version
 func WebRPCVersion() string {
 	return "v1"
@@ -33,7 +37,58 @@ func WebRPCSchemaVersion() string {
 
 // Schema hash generated from your RIDL schema
 func WebRPCSchemaHash() string {
-	return "05b7a5c86b98738f4fe6ce9bb1fccd4af064847a"
+	return "ccd12408e7dd53252d6e605ae1619666287d960e"
+}
+
+type WebrpcGenVersions struct {
+	WebrpcGenVersion string
+	CodeGenName      string
+	CodeGenVersion   string
+	SchemaName       string
+	SchemaVersion    string
+}
+
+func VersionFromHeader(h http.Header) (*WebrpcGenVersions, error) {
+	if h.Get(WebrpcHeader) == "" {
+		return nil, fmt.Errorf("header is empty or missing")
+	}
+
+	versions, err := parseWebrpcGenVersions(h.Get(WebrpcHeader))
+	if err != nil {
+		return nil, fmt.Errorf("webrpc header is invalid: %w", err)
+	}
+
+	return versions, nil
+}
+
+func parseWebrpcGenVersions(header string) (*WebrpcGenVersions, error) {
+	versions := strings.Split(header, ";")
+	if len(versions) < 3 {
+		return nil, fmt.Errorf("expected at least 3 parts while parsing webrpc header: %v", header)
+	}
+
+	_, webrpcGenVersion, ok := strings.Cut(versions[0], "@")
+	if !ok {
+		return nil, fmt.Errorf("webrpc gen version could not be parsed from: %s", versions[0])
+	}
+
+	tmplTarget, tmplVersion, ok := strings.Cut(versions[1], "@")
+	if !ok {
+		return nil, fmt.Errorf("tmplTarget and tmplVersion could not be parsed from: %s", versions[1])
+	}
+
+	schemaName, schemaVersion, ok := strings.Cut(versions[2], "@")
+	if !ok {
+		return nil, fmt.Errorf("schema name and schema version could not be parsed from: %s", versions[2])
+	}
+
+	return &WebrpcGenVersions{
+		WebrpcGenVersion: webrpcGenVersion,
+		CodeGenName:      tmplTarget,
+		CodeGenVersion:   tmplVersion,
+		SchemaName:       schemaName,
+		SchemaVersion:    schemaVersion,
+	}, nil
 }
 
 //
@@ -143,9 +198,11 @@ type SearchFilter struct {
 }
 
 type Version struct {
-	WebrpcVersion string `json:"webrpcVersion"`
-	SchemaVersion string `json:"schemaVersion"`
-	SchemaHash    string `json:"schemaHash"`
+	WebrpcVersion    string       `json:"webrpcVersion"`
+	SchemaVersion    string       `json:"schemaVersion"`
+	SchemaHash       string       `json:"schemaHash"`
+	ClientGenVersion *GenVersions `json:"clientGenVersion"`
+	ServerGenVersion *GenVersions `json:"serverGenVersion"`
 }
 
 type ComplexType struct {
@@ -160,6 +217,13 @@ type ComplexType struct {
 	User              *User                        `json:"user"`
 }
 
+type GenVersions struct {
+	WebrpcGenVersion string `json:"WebrpcGenVersion"`
+	TmplTarget       string `json:"TmplTarget"`
+	TmplVersion      string `json:"TmplVersion"`
+	SchemaVersion    string `json:"SchemaVersion"`
+}
+
 var (
 	methods = map[string]method{
 		"/rpc/ExampleService/Ping": {
@@ -267,6 +331,8 @@ func (s *exampleServiceServer) ServeHTTP(w http.ResponseWriter, r *http.Request)
 		}
 	}()
 
+	w.Header().Set(WebrpcHeader, WebrpcHeaderValue)
+
 	ctx := r.Context()
 	ctx = context.WithValue(ctx, HTTPResponseWriterCtxKey, w)
 	ctx = context.WithValue(ctx, HTTPRequestCtxKey, r)
diff --git a/_examples/golang-imports/api.gen.go b/_examples/golang-imports/api.gen.go
index 6f635e4..6e16407 100644
--- a/_examples/golang-imports/api.gen.go
+++ b/_examples/golang-imports/api.gen.go
@@ -18,6 +18,10 @@ import (
 
 )
 
+const WebrpcHeader = "Webrpc"
+
+const WebrpcHeaderValue = "webrpc@v0.20.3-1-gf6584bc;gen-golang@unknown;example-api-service@v1.0.0"
+
 // WebRPC description and code-gen version
 func WebRPCVersion() string {
 	return "v1"
@@ -33,6 +37,57 @@ func WebRPCSchemaHash() string {
 	return "cae4e128f4fb4c938bfe1ea312deeea3dfd6b6af"
 }
 
+type WebrpcGenVersions struct {
+    WebrpcGenVersion string
+    CodeGenName string
+    CodeGenVersion string
+    SchemaName string
+    SchemaVersion string
+}
+
+func VersionFromHeader(h http.Header) (*WebrpcGenVersions, error) {
+    if h.Get(WebrpcHeader) == "" {
+        return nil, fmt.Errorf("header is empty or missing")
+    }
+
+    versions, err := parseWebrpcGenVersions(h.Get(WebrpcHeader))
+    if err != nil {
+        return nil, fmt.Errorf("webrpc header is invalid: %w", err)
+    }
+
+    return versions, nil
+}
+
+func parseWebrpcGenVersions(header string) (*WebrpcGenVersions, error) {
+    versions := strings.Split(header, ";")
+    if len(versions) < 3 {
+        return nil, fmt.Errorf("expected at least 3 parts while parsing webrpc header: %v", header)
+    }
+
+    _, webrpcGenVersion, ok := strings.Cut(versions[0], "@")
+    if !ok {
+        return nil, fmt.Errorf("webrpc gen version could not be parsed from: %s", versions[0])
+    }
+
+    tmplTarget, tmplVersion, ok := strings.Cut(versions[1], "@")
+    if !ok {
+        return nil, fmt.Errorf("tmplTarget and tmplVersion could not be parsed from: %s", versions[1])
+    }
+
+    schemaName, schemaVersion, ok := strings.Cut(versions[2], "@")
+    if !ok {
+        return nil, fmt.Errorf("schema name and schema version could not be parsed from: %s", versions[2])
+    }
+
+    return &WebrpcGenVersions{
+        WebrpcGenVersion: webrpcGenVersion,
+        CodeGenName: tmplTarget,
+        CodeGenVersion: tmplVersion,
+        SchemaName: schemaName,
+        SchemaVersion: schemaVersion,
+    }, nil
+}
+
 //
 // Common types
 //
@@ -167,6 +222,8 @@ func (s *exampleAPIServer) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		}
 	}()
 
+	w.Header().Set(WebrpcHeader, WebrpcHeaderValue)
+
 	ctx := r.Context()
 	ctx = context.WithValue(ctx, HTTPResponseWriterCtxKey, w)
 	ctx = context.WithValue(ctx, HTTPRequestCtxKey, r)