feat(Week05): Add solutions

1 files changed, 80 insertions, 0 deletions

diff --git a/Week05/Exercise03/TaxDatabase.h b/Week05/Exercise03/TaxDatabase.h
new file mode 100644
index 0000000..89dd1ed
--- /dev/null
+++ b/Week05/Exercise03/TaxDatabase.h
@@ -0,0 +1,80 @@
+#ifndef _TAXDATABASE
+#define _TAXDATABASE
+
+#include "Person.h"
+#include "TaxReport.h"
+
+class TaxDatabase {
+	Person* people;
+	unsigned peopleCount;
+	unsigned peopleAllocated;
+
+	TaxReport* reports;
+	unsigned reportsCount;
+	unsigned reportsAllocated;
+
+	void free();
+	void copyFrom(const TaxDatabase& other);
+
+	void resizePeople();
+	void resizeReports();
+
+public:
+	TaxDatabase();
+	~TaxDatabase();
+	TaxDatabase(const TaxDatabase& other);
+	TaxDatabase& operator=(const TaxDatabase& other);
+
+	TaxDatabase(TaxDatabase&& other);
+	TaxDatabase& operator=(TaxDatabase&& other);
+
+	bool RegisterPerson(const Person& person);
+	bool LogTaxReport(const TaxReport& report);
+
+	void PersonalReports(unsigned long long PN) const;
+	void YearlyReports(unsigned short year) const;
+
+	double YearlyAvgIncome(unsigned short year) const;
+	double YearlyTaxedIncome(unsigned short year) const;
+
+	const TaxReport* GetReport(unsigned long long PN, unsigned short year) const;
+	const TaxReport* GetReportByAge(unsigned long long PN, unsigned short age) const;
+
+	// Можем да дефинираме класове в други класове, можем да достъпим
+	// вътрешния клас с името "TaxDatabase::Reports".
+	// Достъпността на класа следва public/protected/private, в този
+	// случай класа е публичен.
+	class Reports {
+		TaxReport** reports;
+		unsigned reportsCount;
+
+		void copyFrom(const Reports& other);
+		void free();
+
+	public:
+		Reports();
+		~Reports();
+		Reports(const Reports& other);
+		Reports& operator=(const Reports& other);
+
+		Reports(Reports&& other);
+		Reports& operator=(Reports&& other);
+
+		unsigned ReportsCount() const;
+		const TaxReport* At(unsigned index) const;
+
+		// Тези се използват единствено от GetReports и GetReportsByAge
+		// Тоест не позволяваме на върнатата стойност да бъде изменяна
+		void Allocate(unsigned size);
+		TaxReport** At(unsigned index);
+	};
+
+	const Reports GetReports(unsigned long long PN, unsigned short startYear, unsigned short endYear) const;
+	const Reports GetReportsByAge(unsigned long long PN, unsigned short startAge, unsigned short endAge) const;
+
+	/* Помощни функции */
+
+	const Person* GetPerson(unsigned long long PN) const;
+};
+
+#endif /* _TAXDATABASE */