NOISSUE refactor *Download into more, smaller pieces

* Download is now Download.
* Download uses Sink subclasses to process various events.
* Validators can be used to further customize the Sink behaviour.

1 files changed, 70 insertions, 0 deletions

diff --git a/api/logic/net/Sink.h b/api/logic/net/Sink.h
new file mode 100644
index 00000000..53f2b221
--- /dev/null
+++ b/api/logic/net/Sink.h
@@ -0,0 +1,70 @@
+#pragma once
+
+#include "net/NetAction.h"
+
+#include "multimc_logic_export.h"
+#include "Validator.h"
+
+namespace Net {
+class MULTIMC_LOGIC_EXPORT Sink
+{
+public: /* con/des */
+	Sink() {};
+	virtual ~Sink() {};
+
+public: /* methods */
+	virtual JobStatus init(QNetworkRequest & request) = 0;
+	virtual JobStatus write(QByteArray & data) = 0;
+	virtual JobStatus abort() = 0;
+	virtual JobStatus finalize(QNetworkReply & reply) = 0;
+
+	void addValidator(Validator * validator)
+	{
+		if(validator)
+		{
+			validators.push_back(std::shared_ptr<Validator>(validator));
+		}
+	}
+
+protected: /* methods */
+	bool finalizeAllValidators(QNetworkReply & reply)
+	{
+		for(auto & validator: validators)
+		{
+			if(!validator->validate(reply))
+				return false;
+		}
+		return true;
+	}
+	bool failAllValidators()
+	{
+		bool success = true;
+		for(auto & validator: validators)
+		{
+			success &= validator->abort();
+		}
+		return success;
+	}
+	bool initAllValidators(QNetworkRequest & request)
+	{
+		for(auto & validator: validators)
+		{
+			if(!validator->init(request))
+				return false;
+		}
+		return true;
+	}
+	bool writeAllValidators(QByteArray & data)
+	{
+		for(auto & validator: validators)
+		{
+			if(!validator->write(data))
+				return false;
+		}
+		return true;
+	}
+
+protected: /* data */
+	std::vector<std::shared_ptr<Validator>> validators;
+};
+}