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Description: Calls the instruct.grade_calc procedure to calculate a grade for a specific student and section. If a grade is returned with a valid return code, update the student's grade in the database, and call instruct.student_list to display the new information.
CREATE OR REPLACE PROCEDURE student_list_update
(p_student_id IN student.student_id%TYPE,
p_section_id IN section.section_id%TYPE) AS
--------------------------------------------------------
-- FILENAME: student_list_update
-- FILEDATE: 01.20.2003
-- CREATED BY: Susan Boardman
-- DESCRIPTION: Calls instruct.grade_calc to determine a
-- student grade for a particular section.
-- URL : student_list_update
--------------------------------------------------------
v_final_grade enrollment.final_grade%TYPE;
v_exit_code char(1);
BEGIN
instruct.grade_calc(p_student_id, p_section_id, v_final_grade, v_exit_code);
IF v_exit_code = 'S' then
UPDATE enrollment
SET final_grade=v_final_grade
WHERE student_id=p_student_id
AND section_id=p_section_id;
COMMIT;
htp.script('alert("Success! The final grade has been computed.");');
ELSIF v_exit_code = 'I' then
htp.script('alert("Not all the required grades have been entered for this student in this section.");');
ELSIF v_exit_code = 'T' then
htp.script('alert("Too many grades exist for this student. For example, there should only be 4 homeworks and there are 6.");');
ELSIF v_exit_code = 'N' then
htp.script('alert("No grades have been entered for this student in this section.");');
ELSIF v_exit_code = 'E' then
htp.script('alert("An error occurred when computing this grade. Please notify the application administrator and try again later.");');
END IF;
instruct.student_list(p_section_id);
EXCEPTION
WHEN OTHERS THEN
htp.p('An error occurred: '||SQLERRM||'. Please try again later.');
END;