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grade_DB.py
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203 lines (182 loc) Β· 7.05 KB
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"""
CodeCraft PMS Project
νμΌλͺ
: grade_DB.py
λ§μ§λ§ μμ λ μ§ : 2025/02/10
"""
import pymysql
from mysql_connection import db_connect
# ------------------------------ νμλ³ νκ° μ½λ©νΈ κ΄λ ¨ ν¨μ ------------------------------ #
# κ΅μκ° νΉμ νλ‘μ νΈμ νΉμ νμμκ² νκ° μ½λ©νΈλ₯Ό μμ±νκ±°λ μμ νλ ν¨μ
# νλ‘μ νΈ λ²νΈ, νλ², νκ° μ½λ©νΈλ₯Ό λ§€κ° λ³μλ‘ λ°λλ€
def add_comment(pid, univ_id, comment):
connection = db_connect()
cur = connection.cursor(pymysql.cursors.DictCursor)
try:
cur.execute("UPDATE project_user SET comment = %s WHERE p_no = %s AND s_no = %s", (comment, pid, univ_id))
connection.commit()
return True
except Exception as e:
connection.rollback()
print(f"Error [add_comment] : {e}")
return e
finally:
cur.close()
connection.close()
# κ΅μκ° νΉμ νλ‘μ νΈμ νΉμ νμμκ² μμ±νμλ νκ° μ½λ©νΈλ₯Ό μμ νλ ν¨μ
# νλ‘μ νΈ λ²νΈμ νλ²μ λ§€κ° λ³μλ‘ λ°λλ€
def delete_comment(pid, univ_id):
connection = db_connect()
cur = connection.cursor(pymysql.cursors.DictCursor)
try:
cur.execute("UPDATE project_user SET comment = NULL WHERE p_no = %s AND s_no = %s", (pid, univ_id))
connection.commit()
return True
except Exception as e:
connection.rollback()
print(f"Error [delete_comment] : {e}")
return e
finally:
cur.close()
connection.close()
# νΉμ νλ‘μ νΈμμ νΉμ νμμ νκ° μ½λ©νΈλ₯Ό μ‘°ννμ¬ λ°ννλ ν¨μ
# νλ‘μ νΈ λ²νΈμ νλ²μ λ§€κ° λ³μλ‘ λ°λλ€
def fetch_one_comment(pid, univ_id):
connection = db_connect()
cur = connection.cursor(pymysql.cursors.DictCursor)
try:
cur.execute("SELECT comment FROM project_user WHERE p_no = %s AND s_no = %s", (pid, univ_id))
result = cur.fetchone()
return result
except Exception as e:
print(f"Error [fetch_one_comment] : {e}")
return e
finally:
cur.close()
connection.close()
# μ΄λ€ νμμ΄ μ°Έμ¬νκ³ μλ λͺ¨λ νλ‘μ νΈμ νκ° μ½λ©νΈλ₯Ό μ‘°ννλ ν¨μ
# νλ²μ λ§€κ° λ³μλ‘ λ°λλ€
def fetch_comment_by_student(univ_id):
connection = db_connect()
cur = connection.cursor(pymysql.cursors.DictCursor)
try:
fetch_grade_by_student = """
SELECT p.p_no, p.p_name, s.s_no, s.s_name, u.comment
FROM student s, project p, project_user u
WHERE s.s_no = u.s_no AND p.p_no = u.p_no AND u.s_no = %s
"""
cur.execute(fetch_grade_by_student, (univ_id,))
result = cur.fetchall()
return result
except Exception as e:
print(f"Error [fetch_comment_by_student] : {e}")
return e
finally:
cur.close()
connection.close()
# νΉμ νλ‘μ νΈμ μν λͺ¨λ νμμ νκ° μ½λ©νΈλ₯Ό μ‘°ννλ ν¨μ
# νλ‘μ νΈ λ²νΈλ₯Ό λ§€κ° λ³μλ‘ λ°λλ€
def fetch_comment_by_project(pid):
connection = db_connect()
cur = connection.cursor(pymysql.cursors.DictCursor)
try:
fetch_grade_by_project = """
SELECT p.p_no, p.p_name, s.s_no, s.s_name, u.comment
FROM student s, project p, project_user u
WHERE s.s_no = u.s_no AND p.p_no = u.p_no AND u.p_no = %s
"""
cur.execute(fetch_grade_by_project, (pid,))
result = cur.fetchall()
return result
except Exception as e:
print(f"Error [fetch_comment_by_project] : {e}")
return e
finally:
cur.close()
connection.close()
# ------------------------------ νλ‘μ νΈλ³ νκ° μμ μ±μ κ΄λ ¨ ν¨μ ------------------------------ #
# κ΅μκ° νΉμ νλ‘μ νΈμ νκ° μμ μ μλ₯Ό μ
λ ₯νλ ν¨μ
# νλ‘μ νΈ λ²νΈμ κ° νκ° μμ μ μλ₯Ό λ§€κ° λ³μλ‘ λ°λλ€
def assign_grade(pid, plan, require, design, progress, scm, cooperation, quality, tech, presentation, completion):
connection = db_connect()
cur = connection.cursor(pymysql.cursors.DictCursor)
try:
assign_grade = """
INSERT INTO grade (p_no, g_plan, g_require, g_design, g_progress, g_scm, g_cooperation, g_quality, g_tech, g_presentation, g_completion)
VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s)
"""
cur.execute(assign_grade, (pid, plan, require, design, progress, scm, cooperation, quality, tech, presentation, completion))
connection.commit()
return True
except Exception as e:
connection.rollback()
print(f"Error [assign_grade] : {e}")
return e
finally:
cur.close()
connection.close()
# κ΅μκ° νΉμ νλ‘μ νΈμ νκ° μμ μ μλ₯Ό μμ νλ ν¨μ
# νλ‘μ νΈ λ²νΈμ κ° νκ° μμ μ μλ₯Ό λ§€κ° λ³μλ‘ λ°λλ€
def edit_grade(pid, plan, require, design, progress, scm, cooperation, quality, tech, presentation, completion):
connection = db_connect()
cur = connection.cursor(pymysql.cursors.DictCursor)
try:
edit_grade = """
UPDATE grade
SET g_plan = %s,
g_require = %s,
g_design = %s,
g_progress = %s,
g_scm = %s,
g_cooperation = %s,
g_quality = %s,
g_tech = %s,
g_presentation = %s,
g_completion = %s
WHERE p_no = %s
"""
cur.execute(edit_grade, (plan, require, design, progress, scm, cooperation, quality, tech, presentation, completion, pid))
connection.commit()
return True
except Exception as e:
connection.rollback()
print(f"Error [edit_grade] : {e}")
return e
finally:
cur.close()
connection.close()
# κ΅μκ° νΉμ νλ‘μ νΈμ νκ° μμ μ μλ₯Ό μμ νλ ν¨μ
# νλ‘μ νΈ λ²νΈλ₯Ό λ§€κ° λ³μλ‘ λ°λλ€
def delete_grade(pid):
connection = db_connect()
cur = connection.cursor(pymysql.cursors.DictCursor)
try:
cur.execute("SELECT COUNT(*) AS cnt FROM grade WHERE p_no = %s", (pid,))
result = cur.fetchone()
if result['cnt'] == 0:
print(f"Error [delete_grade] : Grade score of Project UID {pid} does not exist.")
return False
cur.execute("DELETE FROM grade WHERE p_no = %s", (pid,))
connection.commit()
return True
except Exception as e:
connection.rollback()
print(f"Error [delete_grade] : {e}")
return e
finally:
cur.close()
connection.close()
# νΉμ νλ‘μ νΈμ νκ° μμ μ μλ₯Ό μ‘°ννλ ν¨μ
# νλ‘μ νΈ λ²νΈλ₯Ό λ§€κ° λ³μλ‘ λ°λλ€
def fetch_grade(pid):
connection = db_connect()
cur = connection.cursor(pymysql.cursors.DictCursor)
try:
cur.execute("SELECT * FROM grade WHERE p_no = %s", (pid,))
result = cur.fetchone()
return result
except Exception as e:
print(f"Error [fetch_grade] : {e}")
return e
finally:
cur.close()
connection.close()