Work on requirements management

src/core/projectManager/requirementItem.h

@@ -0,0 +1,38 @@
+#pragma once
+
+#include <api/requirement.h>
+#include <memory>
+#include <vector>
+
+namespace core::project
+{
+class RequirementManager;
+//--------------------------------------------------------------
+class RequirementItem : public std::enable_shared_from_this<RequirementItem>
+  , public api::requirement::Requirement
+{
+  using RequirementItemPtr = std::shared_ptr<RequirementItem>;
+
+  public:
+  RequirementItem()                                          = delete;      // Default constructor
+  virtual ~RequirementItem()                                 = default;     // Default destructor
+  RequirementItem(const RequirementItem &obj)                = delete;      // Copy constructor
+  RequirementItem(RequirementItem &&obj) noexcept            = delete;      // Move constructor
+  RequirementItem &operator=(const RequirementItem &obj)     = delete;      // Copy assignment operator
+  RequirementItem &operator=(RequirementItem &&obj) noexcept = delete;      // Move assignment operator
+
+  explicit RequirementItem(RequirementManager                     &manager,     // Constructor
+                           const std::shared_ptr<RequirementItem> &parentRequirement = nullptr);
+
+  // Children management functions
+  void                                          appendChild(const api::requirement::Requirement &child);     // Append a child requirement item to this requirement item
+  void                                          removeChild(const std::string &childUuid);                   // Remove a child requirement item from this requirement item by its UUID
+  [[nodiscard]] std::vector<RequirementItemPtr> getChildren() const;                                         // Get the vector of child requirement items of this requirement item
+
+  protected:
+  RequirementManager             &m_requirementManager;     // Reference to the requirement manager that owns this requirement item
+  std::weak_ptr<RequirementItem>  m_parent;                 // Weak pointer to the m_parent requirement item (nullptr for root)
+  std::vector<RequirementItemPtr> m_children;               // Vector of shared pointers to child requirement items
+};
+//--------------------------------------------------------------
+}     // namespace core::project