Add deserialization logic

app/include/Serializer.h

@@ -7,6 +7,10 @@
 #include <nlohmann/json.hpp>
 
 #include <fan/Fan.h>
+#include <sensor/Sensor.h>
+
+#define SERIALIZATION_DIR "/etc/fantasize"
+#define FANS_JSON_FILENAME "fans.json"
 
 using json = nlohmann::json;
 
@@ -14,9 +18,12 @@ class Serializer {
 public:
   Serializer();
   void Serialize(std::vector<std::shared_ptr<Fan>> fans);
+  std::vector<std::shared_ptr<Fan>>
+  Deserialize(std::vector<std::shared_ptr<Sensor>> availableSensors);
 
 private:
   void WriteJson(json o);
+  json ReadJson();
 };
 
 #endif // SERIALIZER_H_

app/include/fan/Fan.h

@@ -1,9 +1,10 @@
 #ifndef FAN_H_
 #define FAN_H_
 
+#include <Printable.h>
 #include <Serializable.h>
 
-class Fan : public Serializable {
+class Fan : public Serializable, public Printable {
 public:
   virtual void pwm(int percent) = 0;
   virtual int rpm() = 0;

app/include/fan/HwmonFan.h

@@ -18,6 +18,8 @@ public:
 
   json toJson() const override;
 
+  const std::string toString() const override;
+
 private:
   std::shared_ptr<PwmControl> mPwmControl;
   std::shared_ptr<Sensor> mRpmSensor;