Extract Shade struct and create ShadeRepository

lib/shade_repository/ShadeRepository.cpp

@@ -0,0 +1,66 @@
+#include "ShadeRepository.h"
+#include "Shade.h"
+
+void ShadeRepository::upsert(Shade shade)
+{
+    for (Shade &existing_shade : shades)
+    {
+        if (existing_shade.key == shade.key)
+        {
+            existing_shade.friendlyName = shade.friendlyName;
+            existing_shade.ID = shade.ID;
+            for (auto &callback : shadeChangedCallbacks) {
+                callback(shade);
+            }
+            return;
+        }
+    }
+    
+    // Didn't find it in the repository, add it
+    shades.push_back(shade);
+    for (auto &callback : shadeAddedCallbacks) {
+        callback(shade);
+    }
+}
+
+Shade* ShadeRepository::findById(const uint16_t id)
+{
+    for (Shade &shade : shades)
+    {
+        if (shade.ID == id)
+        {
+            return &shade;
+        }
+    }
+    return nullptr;
+}
+
+Shade* ShadeRepository::findByKey(const std::string &key)
+{
+    for (Shade &shade : shades)
+    {
+        if (shade.key == key)
+        {
+            return &shade;
+        }
+    }
+    return nullptr;
+}
+
+std::vector<Shade>::iterator ShadeRepository::begin()
+{
+    return shades.begin();
+}
+
+std::vector<Shade>::iterator ShadeRepository::end()
+{
+    return shades.end();
+}
+
+void ShadeRepository::addShadeAddedCallback(std::function<void(Shade&)> callback) {
+    shadeAddedCallbacks.push_back(callback);
+}
+
+void ShadeRepository::addShadeChangedCallback(std::function<void(Shade&)> callback) {
+    shadeChangedCallbacks.push_back(callback);
+}