Fix some comments, remove redundant fields etc

Common/Net/HTTPClient.cpp

@@ -229,8 +229,6 @@ Client::~Client() {
 	Disconnect();
 }
 
-// Ignores line folding (deprecated), but respects field combining.
-// Don't use for Set-Cookie, which is a special header per RFC 7230.
 bool GetHeaderValue(const std::vector<std::string> &responseHeaders, std::string_view header, std::string *value) {
 	std::string search(header);
 	search.push_back(':');
@@ -317,7 +315,7 @@ int Client::POST(const RequestParams &req, std::string_view data, std::string_vi
 	if (mime.empty()) {
 		snprintf(otherHeaders, sizeof(otherHeaders), "Content-Length: %lld\r\n", (long long)data.size());
 	} else {
-		snprintf(otherHeaders, sizeof(otherHeaders), "Content-Length: %lld\r\nContent-Type: %.*s\r\n", (long long)data.size(), (int)mime.size(), mime.data());
+		snprintf(otherHeaders, sizeof(otherHeaders), "Content-Length: %lld\r\nContent-Type: %.*s\r\n", (long long)data.size(), STR_VIEW(mime));
 	}
 
 	int err = SendRequestWithData("POST", req, data, otherHeaders, progress);
@@ -514,8 +512,7 @@ int Client::ReadResponseEntity(net::Buffer *readbuf, const std::vector<std::stri
 }
 
 HTTPRequest::HTTPRequest(RequestMethod method, std::string_view url, std::string_view postData, std::string_view postMime, const Path &outfile, RequestFlags flags, net::ResolveFunc customResolve, std::string_view name)
-	: Request(method, url, name, &cancelled_, flags), postData_(postData), postMime_(postMime), customResolve_(customResolve) {
-	outfile_ = outfile;
+	: Request(method, url, name, outfile, &cancelled_, flags), postData_(postData), postMime_(postMime), customResolve_(customResolve) {
 }
 
 HTTPRequest::~HTTPRequest() {
@@ -539,6 +536,8 @@ void HTTPRequest::Join() {
 }
 
 void HTTPRequest::SetFailed(int code) {
+	// TODO: Why are we not using code here?
+
 	failed_ = true;
 	progress_.Update(0, 0, true);
 	completed_ = true;

Common/Net/HTTPClient.h

@@ -49,6 +49,8 @@ private:
 
 namespace http {
 
+// Ignores line folding (deprecated), but respects field combining.
+// Don't use for Set-Cookie, which is a special header per RFC 7230.
 bool GetHeaderValue(const std::vector<std::string> &responseHeaders, std::string_view header, std::string *value);
 
 class RequestParams {
@@ -132,7 +134,7 @@ private:
 class CachedRequest : public Request {
 public:
 	CachedRequest(RequestMethod method, std::string_view url, std::string_view name, bool *cancelled, RequestFlags flags, std::string_view responseData)
-		: Request(method, url, name, cancelled, flags)
+		: Request(method, url, name, Path(), cancelled, flags)
 	{
 		buffer_.Append(responseData);
 	}

Common/Net/HTTPNaettRequest.cpp

@@ -13,8 +13,7 @@
 namespace http {
 
 HTTPSRequest::HTTPSRequest(RequestMethod method, std::string_view url, std::string_view postData, std::string_view postMime, const Path &outfile, RequestFlags flags, std::string_view name)
-	: Request(method, url, name, &cancelled_, flags), method_(method), postData_(postData), postMime_(postMime) {
-	outfile_ = outfile;
+	: Request(method, url, name, outfile, &cancelled_, flags), postData_(postData), postMime_(postMime) {
 }
 
 HTTPSRequest::~HTTPSRequest() {
@@ -61,7 +60,7 @@ void HTTPSRequest::Join() {
 		res_ = nullptr;
 		req_ = nullptr;
 	} else {
-		ERROR_LOG(Log::HTTP, "HTTPSDownload::Join not implemented");
+		ERROR_LOG(Log::HTTP, "HTTPSRequest::Join called before completion");
 	}
 }
 

Common/Net/HTTPNaettRequest.h

@@ -25,7 +25,6 @@ public:
 	bool Failed() const override { return failed_; }
 
 private:
-	RequestMethod method_;
 	std::string postData_;
 	std::string postMime_;
 	bool completed_ = false;

Common/Net/HTTPRequest.cpp

@@ -10,8 +10,8 @@
 
 namespace http {
 
-Request::Request(RequestMethod method, std::string_view url, std::string_view name, bool *cancelled, RequestFlags flags)
-	: method_(method), url_(url), name_(name), progress_(cancelled), flags_(flags) {
+Request::Request(RequestMethod method, std::string_view url, std::string_view name, const Path &outFile, bool *cancelled, RequestFlags flags)
+	: method_(method), url_(url), name_(name), outfile_(outFile), progress_(cancelled), flags_(flags) {
 	INFO_LOG(Log::HTTP, "HTTP %s request: %.*s (%.*s)", RequestMethodToString(method), (int)url.size(), url.data(), (int)name.size(), name.data());
 
 	progress_.callback = [this](int64_t bytes, int64_t contentLength, bool done) {

Common/Net/HTTPRequest.h

@@ -31,7 +31,7 @@ using RequestCompletionCallback = std::function<void(Request &)>;
 // Abstract request.
 class Request {
 public:
-	Request(RequestMethod method, std::string_view url, std::string_view name, bool *cancelled, RequestFlags mode);
+	Request(RequestMethod method, std::string_view url, std::string_view name, const Path &outFile, bool *cancelled, RequestFlags mode);
 	virtual ~Request() {}
 
 	void SetAccept(const char *mime) {