http: use optionals (finally)

examples/links_scraper.v

@@ -1,14 +1,7 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
-// Use of this source code is governed by an MIT license
-// that can be found in the LICENSE file.
-
 import http
 
 fn main() {
-	html := http.get('https://news.ycombinator.com') or {
+	html := http.get_text('https://news.ycombinator.com')  
-		println('Failed fetching from URL')
-		return
-	}
 	mut pos := 0
 	for {
 		pos = html.index_after('https://', pos + 1)

examples/news_fetcher.v

@@ -37,7 +37,7 @@ fn (f mut Fetcher) fetch() {
 			println('failed to fetch data from /v0/item/${id}.json')
 			exit(1)
 		}
-		story := json.decode(Story, resp) or {
+		story := json.decode(Story, resp.text) or {
 			println('failed to decode a story')
 			exit(1)
 		}
@@ -52,7 +52,7 @@ fn main() {
 		println('failed to fetch data from /v0/topstories.json')
 		return
 	}
-	mut ids := json.decode([]int, resp) or {
+	mut ids := json.decode([]int, resp.text) or {
 		println('failed to decode topstories.json')
 		return
 	}

vlib/http/http.v

@@ -22,47 +22,36 @@ pub:
 
 struct Response {
 pub:
-	body        string
+	text        string
-	headers     map_string
+	headers     map[string]string 
 	status_code int
 }
 
-// embed 'http'
+pub fn get(url string) ?Response {
-pub fn fetch(typ, url, data string) ?Response {
 	req := new_request('GET', url, '') or {
 		return error(err)
 	}
-	resp := req.do()
+	return req.do()
-	return resp
 }
 
-pub fn get(url string) ?string {
+pub fn post(url, data string) ?Response {
-	resp := fetch('GET', url, '') or {
+	req := new_request('POST', url, data) or {
 		return error(err)
 	}
-	return resp.body
+	return req.do()
-}
-
-pub fn post(url, data string) ?string {
-	resp := fetch('POST', url, data) or {
-		return error(err)
-	}
-	return resp.body
 }
 
 pub fn new_request(typ, _url, _data string) ?Request {
 	if _url == '' {
-		return error('http: empty url')
+		return error('bad url') 
 	}
 	mut url := _url
 	mut data := _data
 	// req.headers['User-Agent'] = 'V $VERSION'
 	if typ == 'GET' && !url.contains('?') && data != '' {
-		println('zeroing data, to url')
 		url = '$url?$data'
 		data = ''
 	}
-	// req.headers = new_map(0, sizeof(string))// []string{}
 	return Request {
 		typ: typ
 		url: url
@@ -73,6 +62,11 @@ pub fn new_request(typ, _url, _data string) ?Request {
 	}
 }
 
+pub fn get_text(url string) string {
+	resp := get(url) or { return  '' } 
+	return resp.text 
+} 
+
 fn (req mut Request) free() {
 	req.headers.free()
 }

vlib/http/http_nix.v

@@ -185,7 +185,7 @@ pub fn (req &Request) do() Response {
 	C.curl_easy_cleanup(curl)
 	//println('end of req.do() url="$req.url"')
 	return Response {
-		body: body
+		text: body
 	}
 }