1 files changed, 121 insertions, 0 deletions
diff --git a/Course.cpp b/Course.cpp
new file mode 100644
index 0000000..1d4272a
--- /dev/null
+++ b/Course.cpp
@@ -0,0 +1,121 @@
+#include "Course.h"
+
+Course::Course(void)
+{
+    capacity = DEFAULT_CAPACITY;
+    enrollmentNumber = 0;
+    setName(("default class"));
+    teacher = NULL;
+    students = new Student*[ capacity ];
+    for (int i = 0; i < capacity; i++)
+        students[i] = NULL;
+}
+Course::Course(string n, int c)
+{
+    setName(n);
+    capacity = c;
+    enrollmentNumber = 0;
+    teacher = NULL;
+    students = new Student*[ capacity ];
+    for (int i = 0; i < capacity; i++)
+        students[i] = NULL;
+}
+
+Course::~Course(void)
+{
+    removeTeacher();
+    delete students;
+}
+
+void Course::addTeacher(Teacher *t)
+{
+    if (teacher && teacher != t) {
+        cout << name << " already has a teacher!" << endl;
+    } else if (t && t->getMyCourse() && t->getMyCourse() != this) {
+        cout << t->getName() << " already has a course" << endl;
+    } else if ((t && t->getMyCourse() == this) || teacher == t) {
+        cout << t->getName() << " aleady teaches " << name << endl;
+    } else {
+        teacher = t;
+        t->myCourse = this;
+        t->numStudents = enrollmentNumber;
+    }
+}
+
+void Course::removeTeacher(void)
+{
+    teacher->myCourse = NULL;
+    teacher->numStudents = 0;
+    for (int i = 0; i < Teacher::MAX_FAVORITES; i++) {
+        teacher->myFavorites[i] = NULL;
+    }
+    teacher = NULL;
+}
+
+void Course::addStudent(Student *s)
+{
+    int pos = -1;
+    if (s) {
+        for (int i = 0; i < capacity; i++) {
+            if (students[i] == s) {
+                cout << s->getName() << " already enrolled in " << name << endl;
+                return;
+            } else if (!students[i] && pos < 0)
+                pos = i;
+        }
+        if (pos >= 0) {
+            students[pos] = s;
+            enrollmentNumber++;
+            teacher->numStudents++;
+        } else
+            cout << name << " is full" << endl;
+    }
+}
+
+void Course::removeStudent(Student *s)
+{
+    bool did = false;
+    if (s)  {
+        for (int i = 0; i < capacity; i++) {
+            if (students[i] == s) {
+                students[i] = NULL;
+                enrollmentNumber--;
+                teacher->numStudents--;
+                for (int j = 0; j < Teacher::MAX_FAVORITES; j++)
+                    if (teacher->myFavorites[j] == s) 
+                        teacher->myFavorites[j] = NULL;
+                did = true;
+            }
+        }
+        if (!did)
+            cout << s->getName() << " is not in this class" << endl;
+    } else
+        cout << "invalid student" << endl;
+}
+
+void Course::setName(string n) { name = n; }
+
+Teacher *Course::getTeacher(void) { return teacher; }
+
+int Course::getCapacity(void) { return capacity; }
+
+int Course::getEnrollmentNumber(void) { return enrollmentNumber; }
+
+string Course::getName(void) { return name; }
+
+void Course::printCourse(void)
+{
+    cout << "Course " << name << " has:" << endl;
+    cout << "A capacity of " << capacity << endl;
+    cout << "an enrollment of " << enrollmentNumber << endl;
+    if (teacher)
+        cout << "a teacher named " << teacher->getName() << endl;
+    else
+        cout << "no teacher" << endl;
+    cout << "and students named:";
+    for (int i = 0; i < capacity; i++) {
+        if (students[i])
+            cout << " " << students[i]->getName() << ",";
+    }
+    cout << endl << endl;
+}