http/vweb: use Method enum & add helpers

vlib/net/http/http.v

@@ -75,6 +75,37 @@ pub fn new_request(method Method, url_, data string) ?Request {
 	}
 }
 
+fn (methods []Method) contains(m Method) bool {
+	for method in methods {
+		if method == m {
+			return true
+		}
+	}
+	return false
+}
+
+fn (m Method) str() string {
+	return match m {
+		.get { 'GET' }
+		.post { 'POST' }
+		.header { 'HEADER' }
+		.put { 'PUT' }
+		.connect { 'CONNECT' }
+		else { '' }
+	}
+}
+
+pub fn method_from_str(m string) Method {
+	return match m {
+		'GET' { Method.get }
+		'POST' { Method.post }
+		'HEADER' { Method.header }
+		'PUT' { Method.put }
+		'CONNECT' { Method.connect }
+		else { Method.get } // should we default to GET?
+	}
+}
+
 pub fn get(url string) ?Response {
 	return fetch_with_method(.get, url, FetchConfig{})
 }
@@ -383,17 +414,6 @@ fn (req &Request) build_request_headers(method Method, host_name, path string) s
 		req.data
 }
 
-fn (m Method) str() string {
-	return match m {
-		.get { 'GET' }
-		.post { 'POST' }
-		.header { 'HEADER' }
-		.put { 'PUT' }
-		.connect { 'CONNECT' }
-		else { '' }
-	}
-}
-
 fn (req &Request) build_request_cookies_header() string {
 	if req.cookies.keys().len < 1 {
 		return ''

vlib/vweb/vweb.v

@@ -12,8 +12,7 @@ import strings
 import time
 
 pub const (
-	methods_with_form = ['POST', 'PUT', 'PATCH']
+	methods_with_form = [http.Method.post, .put, .patch]
-	method_all = ['GET','POST','PUT','PATCH','DELETE', 'HEAD', 'OPTIONS']
 	header_server = 'Server: VWeb\r\n'
 	header_connection_close = 'Connection: close\r\n'
 	headers_close = '${header_server}${header_connection_close}\r\n'
@@ -286,7 +285,7 @@ fn handle_conn<T>(conn net.Socket, mut app T) {
 		data: strip(body)
 		ws_func: 0
 		user_ptr: 0
-		method: vals[0]
+		method: http.method_from_str(vals[0])
 		url: vals[1]
 	}
 	$if debug {
@@ -371,7 +370,7 @@ fn handle_conn<T>(conn net.Socket, mut app T) {
 				// since such methods have a priority.
 				// For example URL `/register` matches route `/:user`, but `fn register()`
 				// should be called first.
-				if (req.method == 'GET' && url_words[0] == method.name && url_words.len == 1) || (req.method == 'POST' && url_words[0] + '_post' == method.name) {
+				if (req.method == .get && url_words[0] == method.name && url_words.len == 1) || (req.method == .post && url_words[0] + '_post' == method.name) {
 					println('easy match method=$method.name')
 					app.$method(vars)
 					return
@@ -380,27 +379,27 @@ fn handle_conn<T>(conn net.Socket, mut app T) {
 				// Get methods
 				// Get is default
 				if 'post' in attrs {
-					if req.method == 'POST' {
+					if req.method == .post {
 						route_words_a = attrs.filter(it.to_lower() != 'post').map(it[1..].split('/'))
 					}
 				} else if 'put' in attrs {
-					if req.method == 'PUT' {
+					if req.method == .put {
 						route_words_a = attrs.filter(it.to_lower() != 'put').map(it[1..].split('/'))
 					}
 				} else if 'patch' in attrs {
-					if req.method == 'PATCH' {
+					if req.method == .patch {
 						route_words_a = attrs.filter(it.to_lower() != 'patch').map(it[1..].split('/'))
 					}
 				} else if 'delete' in attrs {
-					if req.method == 'DELETE' {
+					if req.method == .delete {
 						route_words_a = attrs.filter(it.to_lower() != 'delete').map(it[1..].split('/'))
 					}
 				} else if 'head' in attrs {
-					if req.method == 'HEAD' {
+					if req.method == .head {
 						route_words_a = attrs.filter(it.to_lower() != 'head').map(it[1..].split('/'))
 					}
 				} else if 'options' in attrs {
-					if req.method == 'OPTIONS' {
+					if req.method == .options {
 						route_words_a = attrs.filter(it.to_lower() != 'options').map(it[1..].split('/'))
 					}
 				} else {