Move settings into a separate JSON file.

This will unfortunately mean losing your commands, but they can be restored by
converting the old commands.txt format into the commands.json file

Fix #372

src/controllers/commands/Command.hpp

@@ -1,6 +1,9 @@
 #pragma once
 
+#include "util/RapidjsonHelpers.hpp"
+
 #include <QString>
+#include <pajlada/serialize.hpp>
 
 namespace chatterino {
 
@@ -16,3 +19,49 @@ struct Command {
 };
 
 }  // namespace chatterino
+
+namespace pajlada {
+
+template <>
+struct Serialize<chatterino::Command> {
+    static rapidjson::Value get(const chatterino::Command &value,
+                                rapidjson::Document::AllocatorType &a)
+    {
+        rapidjson::Value ret(rapidjson::kObjectType);
+
+        chatterino::rj::set(ret, "name", value.name, a);
+        chatterino::rj::set(ret, "func", value.func, a);
+
+        return ret;
+    }
+};
+
+template <>
+struct Deserialize<chatterino::Command> {
+    static chatterino::Command get(const rapidjson::Value &value,
+                                   bool *error = nullptr)
+    {
+        chatterino::Command command;
+
+        if (!value.IsObject())
+        {
+            PAJLADA_REPORT_ERROR(error);
+            return command;
+        }
+
+        if (!chatterino::rj::getSafe(value, "name", command.name))
+        {
+            PAJLADA_REPORT_ERROR(error);
+            return command;
+        }
+        if (!chatterino::rj::getSafe(value, "func", command.func))
+        {
+            PAJLADA_REPORT_ERROR(error);
+            return command;
+        }
+
+        return command;
+    }
+};
+
+}  // namespace pajlada