Work on requirements management

src/api/requirement.h

@@ -1,26 +1,51 @@
 #pragma once
 
+#include <chrono>
 #include <dbus/api/api.h>
-#include <sdi_toolBox/generic/uuid.h>
 
 namespace api::requirement
 {
 //--------------------------------------------------------------
+using TimePoint = std::chrono::system_clock::time_point;
+//--------------------------------------------------------------
+enum class Status
+{
+  Draft,        // The requirement is in draft state and has not been finalized
+  InReview,     // The requirement is currently being reviewed by stakeholders
+  Approved,     // The requirement has been approved and is ready for implementation
+  Rejected      // The requirement has been rejected and will not be implemented
+};
+//--------------------------------------------------------------
+struct Metadata
+{
+  std::string uuid;           // Unique identifier for the requirement, generated automatically
+  std::string id;             // Unique identifier for the requirement, provided by the user (e.g., "REQ-001")
+  std::string author;         // Name of the person who created the requirement
+  TimePoint   created_at;     // Creation timestamp
+  TimePoint   updated_at;     // Last update timestamp
+};
+//--------------------------------------------------------------
+struct Details
+{
+  std::string name;                    // Short name or title of the requirement
+  std::string description;             // Detailed description of the requirement
+  std::string acceptance_criteria;     // Criteria that must be met for the requirement to be considered complete
+  bool        is_smart;                // SMART indicator (Specific, Measurable, Achievable, Relevant, Time-bound)
+};
+//--------------------------------------------------------------
+struct Classification
+{
+  std::string type;         // Type of the requirement (e.g., "Functional", "Non-Functional", "Performance", etc.)
+  std::string category;     // Category of the requirement (e.g., "UI", "Backend", "Security", etc.)
+  int         priority;     // Priority level of the requirement (e.g., 1 for highest priority, 5 for lowest)
+  Status      status;       // Current status of the requirement (e.g., "Draft", "In Review", "Approved", "Rejected", etc.)
+};
+//--------------------------------------------------------------
 struct Requirement
 {
-  std::string              uuid;
-  std::string              parent_uuid;
-  std::string              id;
-  std::string              type;
-  std::string              name;
-  std::string              description;
-  std::vector<Requirement> sub_requirements;
-
-  /* Default constructor */
-  Requirement()
-  {
-    uuid = sdi_toolBox::generic::UuidGenerator::uuid_v4();     // Generate a unique UUID for the requirement
-  }
+  Metadata       metadata;           // General information about the requirement
+  Details        details;            // Detailed information about the requirement
+  Classification classification;     // Classification information about the requirement
 };
 //--------------------------------------------------------------
 
@@ -37,11 +62,11 @@ struct RequirementEvent : dBus::api::DefaultData<dBus::makeID("requirement.requi
 
   [[nodiscard]] std::string toString() const override
   {
-    return std::format("RequirementEvent: id={}, name={}, subRequirementsCount={}",
-                       requirementData.id,
-                       requirementData.name,
-                       requirementData.description,
-                       requirementData.sub_requirements.size());
+    // return std::format("RequirementEvent: id={}, name={}, subRequirementsCount={}",
+    //                    requirementData.id,
+    //                    requirementData.name,
+    //                    requirementData.description);
+    return "";
   }
 };
 //--------------------------------------------------------------

src/core/projectManager/RequirementManager.cpp

@@ -0,0 +1,73 @@
+#include "RequirementManager.h"
+
+#include "requirementItem.h"
+
+#include <sdi_toolBox/generic/uuid.h>
+
+using namespace std;
+using namespace core::project;
+//--------------------------------------------------------------
+/* Default constructor */
+RequirementManager::RequirementManager()
+{
+  m_rootRequirement = make_shared<RequirementItem>(*this);     // Create the root requirement item and set it as the root requirement
+}
+//--------------------------------------------------------------
+/* Get the root requirement */
+RequirementManager::RequirementItemPtr RequirementManager::getRootRequirement() const
+{
+  return m_rootRequirement;     // Return the root requirement item pointer
+}
+//--------------------------------------------------------------
+/* Get the vector of child requirement items of the root requirement */
+std::vector<RequirementManager::RequirementItemPtr> RequirementManager::getRootRequirementChild() const
+{
+  return m_rootRequirement->getChildren();     // Return the vector of child requirement items of the root requirement
+}
+//--------------------------------------------------------------
+/* Get a requirement by its UUID */
+RequirementManager::RequirementItemPtr RequirementManager::getRequirement(const std::string &uuid) const
+{
+  if (m_requirementsByUuid.contains(uuid))
+    return m_requirementsByUuid.at(uuid);     // Return the requirement item pointer if found in the map
+  return {};                                  // Return nullptr if the requirement with the given UUID is not found
+}
+//--------------------------------------------------------------
+/* Get the vector of child requirement items of a requirement by its UUID */
+std::vector<RequirementManager::RequirementItemPtr> RequirementManager::getRequirementChildren(const std::string &uuid) const
+{
+  if (m_requirementsByUuid.contains(uuid))
+    return m_requirementsByUuid.at(uuid)->getChildren();     // Return the vector of child requirement items if the requirement with the given UUID is found in the map
+  return {};                                                 // Return an empty vector if the requirement with the given UUID is not found
+}
+//--------------------------------------------------------------
+/* Generate a unique UUID string that is not already registered in the manager's internal map */
+std::string RequirementManager::generateUniqueUuid() const
+{
+  std::string uuid;
+  do
+  {
+    uuid = sdi_toolBox::generic::UuidGenerator::uuid_v4();     // Generate a random UUID v4 string
+  } while (isRequirementRegistered(uuid));     // Check if the generated UUID is already registered
+
+  return uuid;     // Return the unique UUID string
+}
+//--------------------------------------------------------------
+/* Check if a requirement with the given UUID is registered in the manager's internal map */
+bool RequirementManager::isRequirementRegistered(const std::string &uuid) const
+{
+  return m_requirementsByUuid.contains(uuid);
+}
+//--------------------------------------------------------------
+/* Register a requirement in the manager's internal map for quick lookup by UUID */
+void RequirementManager::registerRequirement(const RequirementItemPtr &requirement)
+{
+  m_requirementsByUuid[requirement->metadata.uuid] = requirement;
+}
+//--------------------------------------------------------------
+/* Unregister a requirement from the manager's internal map */
+void RequirementManager::unregisterRequirement(const std::string &uuid)
+{
+  m_requirementsByUuid.erase(uuid);
+}
+//--------------------------------------------------------------

src/core/projectManager/RequirementManager.h

@@ -0,0 +1,42 @@
+#pragma once
+
+#include <memory>
+#include <string>
+#include <unordered_map>
+
+namespace core::project
+{
+class RequirementItem;
+//--------------------------------------------------------------
+class RequirementManager
+{
+  using RequirementItemPtr = std::shared_ptr<RequirementItem>;
+
+  public:
+  RequirementManager();                                                           // Default constructor
+  virtual ~RequirementManager()                                    = default;     // Default destructor
+  RequirementManager(const RequirementManager &obj)                = delete;      // Copy constructor
+  RequirementManager(RequirementManager &&obj) noexcept            = delete;      // Move constructor
+  RequirementManager &operator=(const RequirementManager &obj)     = delete;      // Copy assignment operator
+  RequirementManager &operator=(RequirementManager &&obj) noexcept = delete;      // Move assignment operator
+
+  [[nodiscard]] RequirementItemPtr              getRootRequirement() const;          // Get the root requirement
+  [[nodiscard]] std::vector<RequirementItemPtr> getRootRequirementChild() const;     // Get the vector of child requirement items of the root requirement
+
+  [[nodiscard]] RequirementItemPtr              getRequirement(const std::string &uuid) const;             // Get a requirement by its UUID
+  [[nodiscard]] std::vector<RequirementItemPtr> getRequirementChildren(const std::string &uuid) const;     // Get the vector of child requirement items of a requirement by its UUID
+
+  // Requirement management functions
+  [[nodiscard]] std::string generateUniqueUuid() const;                                     // Generate a unique UUID string that is not already registered in the manager's internal map
+  [[nodiscard]] bool        isRequirementRegistered(const std::string &uuid) const;         // Check if a requirement with the given UUID is registered in the manager's internal map
+  void                      registerRequirement(const RequirementItemPtr &requirement);     // Register a requirement in the manager's internal map for quick lookup by UUID
+  void                      unregisterRequirement(const std::string &uuid);                 // Unregister a requirement from the manager's internal map
+
+  protected:
+  RequirementItemPtr                                  m_rootRequirement;        // Root requirement of the current project
+  std::unordered_map<std::string, RequirementItemPtr> m_requirementsByUuid;     // Map of requirement UUID to requirement pointer for quick lookup
+
+  private:
+};
+//--------------------------------------------------------------
+}     // namespace core::project

src/core/projectManager/projectData.cpp

@@ -1,11 +0,0 @@
-#include "projectData.h"
-
-using namespace std;
-using namespace core::project;
-//--------------------------------------------------------------
-/* Get the root requirement */
-ProjectData::RequirementPtr ProjectData::getRootRequirement()
-{
-  return m_rootRequirement;
-}
-//--------------------------------------------------------------

src/core/projectManager/projectData.h

@@ -1,29 +0,0 @@
-#pragma once
-
-#include <api/requirement.h>
-#include <memory>
-
-namespace core::project
-{
-//--------------------------------------------------------------
-class ProjectData
-{
-  using RequirementPtr = std::shared_ptr<api::requirement::Requirement>;
-
-  public:
-  ProjectData()                                      = default;     // Default constructor
-  virtual ~ProjectData()                             = default;     // Default destructor
-  ProjectData(const ProjectData &obj)                = delete;      // Copy constructor
-  ProjectData(ProjectData &&obj) noexcept            = delete;      // Move constructor
-  ProjectData &operator=(const ProjectData &obj)     = delete;      // Copy assignment operator
-  ProjectData &operator=(ProjectData &&obj) noexcept = delete;      // Move assignment operator
-
-  RequirementPtr getRootRequirement();     // Get the root requirement
-
-  protected:
-  RequirementPtr m_rootRequirement;     // Root requirement of the current project
-
-  private:
-};
-//--------------------------------------------------------------
-}     // namespace core::project

src/core/projectManager/projectManager.cpp

@@ -1,6 +1,6 @@
 #include "projectManager.h"
 
-#include "projectData.h"
+#include "RequirementManager.h"
 
 using namespace std;
 using namespace core::project;
@@ -117,7 +117,7 @@ void ProjectManager::on_projectOperationEvent(const ProjectOperationMessage_ptr
 /* Process a file creation event */
 void ProjectManager::on_projectCreateFileEvent(const ProjectOperationMessage_ptr &message)
 {
-  m_projectData = make_shared<ProjectData>();
+  m_requirementManager = make_shared<RequirementManager>();
 
   message->responsePromise.set_value();
 }
@@ -165,7 +165,7 @@ void ProjectManager::on_projectSaveFileEvent(const ProjectOperationMessage_ptr &
 /* Process a file close event */
 void ProjectManager::on_projectCloseFileEvent(const ProjectOperationMessage_ptr &message)
 {
-  m_projectData = {};
+  m_requirementManager = {};
   message->responsePromise.set_value();
 }
 //--------------------------------------------------------------

src/core/projectManager/projectManager.h

@@ -8,11 +8,11 @@
 
 namespace core::project
 {
-class ProjectData;
+class RequirementManager;
 //--------------------------------------------------------------
 class ProjectManager : public dBus::Node
 {
-  using ProjectPtr = std::shared_ptr<ProjectData>;
+  using RequirementManagerPtr = std::shared_ptr<RequirementManager>;
 
   public:
   ProjectManager() = delete;                                             // Default constructor
@@ -27,7 +27,7 @@ class ProjectManager : public dBus::Node
   protected:
   std::filesystem::path m_filePath;     // Path of the currently opened project file
 
-  ProjectPtr m_projectData;     // Current project data, including the root requirement and all its sub-requirements
+  RequirementManagerPtr m_requirementManager;     // Pointer to the requirement manager of the current project
 
   private:
   void openFile(const std::filesystem::path &filePath);          // Open a project file and load the requirements

src/core/projectManager/requirementItem.cpp

@@ -0,0 +1,56 @@
+#include "requirementItem.h"
+
+#include "RequirementManager.h"
+
+using namespace std;
+using namespace core::project;
+//--------------------------------------------------------------
+/* Constructor */
+RequirementItem::RequirementItem(RequirementManager &manager, const std::shared_ptr<RequirementItem> &parentRequirement)
+  : m_requirementManager(manager)
+{
+  // Initialization
+  metadata.uuid = m_requirementManager.generateUniqueUuid();     // Generate a unique UUID for this requirement item
+  m_parent      = parentRequirement;                             // Set the m_parent requirement item
+
+  // Register this requirement item in the manager's internal map
+  m_requirementManager.registerRequirement(shared_from_this());
+}
+//--------------------------------------------------------------
+/* Append a child requirement item to this requirement item */
+void RequirementItem::appendChild(const api::requirement::Requirement &child)
+{
+  // Create a new requirement item for the child requirement and set this requirement item as its m_parent
+  const auto childItem      = make_shared<RequirementItem>(m_requirementManager);
+  childItem->metadata       = child.metadata;
+  childItem->details        = child.details;
+  childItem->classification = child.classification;
+
+  // Prepare requirement links
+  childItem->metadata.uuid = m_requirementManager.generateUniqueUuid();     // Generate a unique UUID for this requirement item
+  childItem->m_parent      = shared_from_this();
+
+  // Register this requirement item in the manager's internal map
+  m_requirementManager.registerRequirement(childItem);
+}
+//--------------------------------------------------------------
+/* Remove a child requirement item from this requirement item by its UUID */
+void RequirementItem::removeChild(const std::string &childUuid)
+{
+  // Unregister the child requirement item from the manager's internal map
+  m_requirementManager.unregisterRequirement(childUuid);
+
+  // Find the child requirement item with the given UUID
+  const auto it = ranges::find_if(m_children,
+                                  [&childUuid](const RequirementItemPtr &child)
+                                  { return child->metadata.uuid == childUuid; });
+  if (it != m_children.end())
+    m_children.erase(it);     // Remove the child requirement item from the vector of children
+}
+//--------------------------------------------------------------
+/* Get the vector of child requirement items of this requirement item */
+std::vector<RequirementItem::RequirementItemPtr> RequirementItem::getChildren() const
+{
+  return m_children;
+}
+//--------------------------------------------------------------

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