commande de suppression de département (avec JMP)

app/scodoc/sco_dept.py

@@ -35,6 +35,7 @@ import app.scodoc.sco_utils as scu
 from app.scodoc.gen_tables import GenTable
 from app.scodoc.sco_permissions import Permission
 from app.scodoc import html_sco_header
+import app.scodoc.notesdb as ndb
 from app.scodoc import sco_formsemestre
 from app.scodoc import sco_formsemestre_inscriptions
 from app.scodoc import sco_modalites
@@ -274,3 +275,88 @@ def _style_sems(context, sems):
             sem["semestre_id_n"] = ""
         else:
             sem["semestre_id_n"] = sem["semestre_id"]
+
+
+def delete_dept(dept_id: int):
+    """Supression irréversible d'un département et de tous les objets rattachés"""
+    assert isinstance(dept_id, int)
+    # Un peu complexe, merci JMP :)
+    cnx = ndb.GetDBConnexion()
+    cursor = cnx.cursor()
+    try:
+        # 1- Create temp tables to store ids
+        reqs = [
+            "create temp table etudids_temp as select id from identite where dept_id = %(dept_id)s",
+            "create temp table formsemestres_temp as select id from notes_formsemestre where dept_id = %(dept_id)s",
+            "create temp table moduleimpls_temp as select id from notes_moduleimpl where formsemestre_id in (select id from formsemestres_temp)",
+            "create temp table formations_temp as select id from notes_formations where dept_id = %(dept_id)s",
+            "create temp table entreprises_temp as select id from entreprises where dept_id = %(dept_id)s",
+            "create temp table tags_temp as select id from notes_tags where dept_id = %(dept_id)s",
+        ]
+        for r in reqs:
+            cursor.execute(r, {"dept_id": dept_id})
+
+        # 2- Delete student-related informations
+        # ordered list of tables
+        etud_tables = [
+            "notes_notes",
+            "group_membership",
+            "admissions",
+            "billet_absence",
+            "adresse",
+            "absences",
+            "notes_notes_log",
+            "notes_moduleimpl_inscription",
+            "itemsuivi",
+            "notes_appreciations",
+            "scolar_autorisation_inscription",
+            "absences_notifications",
+            "notes_formsemestre_inscription",
+            "scolar_formsemestre_validation",
+            "scolar_events",
+        ]
+        for table in etud_tables:
+            cursor.execute(
+                f"delete from {table} where etudid in (select id from etudids_temp)"
+            )
+
+        reqs = [
+            "delete from identite where dept_id = %(dept_id)s",
+            "delete from sco_prefs where dept_id = %(dept_id)s",
+            "delete from notes_semset_formsemestre where formsemestre_id in (select id from formsemestres_temp)",
+            "delete from notes_evaluation where moduleimpl_id in (select id from moduleimpls_temp)",
+            "delete from notes_modules_enseignants where moduleimpl_id in (select id from moduleimpls_temp)",
+            "delete from notes_formsemestre_uecoef where formsemestre_id in (select id from formsemestres_temp)",
+            "delete from notes_formsemestre_ue_computation_expr where formsemestre_id in (select id from formsemestres_temp)",
+            "delete from notes_formsemestre_responsables where formsemestre_id in (select id from formsemestres_temp)",
+            "delete from notes_moduleimpl where formsemestre_id in (select id from formsemestres_temp)",
+            "delete from notes_modules_tags where tag_id in (select id from tags_temp)",
+            "delete from notes_tags where dept_id = %(dept_id)s",
+            "delete from notes_modules where formation_id in (select id from formations_temp)",
+            "delete from notes_matieres where ue_id in (select id from notes_ue where formation_id in (select id from formations_temp))",
+            "delete from notes_formsemestre_etapes where formsemestre_id in (select id from formsemestres_temp)",
+            "delete from group_descr where partition_id in (select id from partition where formsemestre_id in (select id from formsemestres_temp))",
+            "delete from partition where formsemestre_id in (select id from formsemestres_temp)",
+            "delete from notes_formsemestre_custommenu where formsemestre_id in (select id from formsemestres_temp)",
+            "delete from notes_ue where formation_id in (select id from formations_temp)",
+            "delete from notes_formsemestre where dept_id = %(dept_id)s",
+            "delete from scolar_news where dept_id = %(dept_id)s",
+            "delete from notes_semset where dept_id = %(dept_id)s",
+            "delete from entreprise_contact where entreprise_id in (select id from entreprises_temp) ",
+            "delete from entreprise_correspondant where entreprise_id in (select id from entreprises_temp) ",
+            "delete from entreprises where dept_id = %(dept_id)s",
+            "delete from notes_formations where dept_id = %(dept_id)s",
+            "delete from departement where id = %(dept_id)s",
+            "drop table tags_temp",
+            "drop table entreprises_temp",
+            "drop table formations_temp",
+            "drop table moduleimpls_temp",
+            "drop table etudids_temp",
+            "drop table formsemestres_temp",
+        ]
+        for r in reqs:
+            cursor.execute(r, {"dept_id": dept_id})
+    except:
+        cnx.rollback()
+    finally:
+        cnx.commit()

scodoc.py

@@ -38,6 +38,7 @@ def make_shell_context():
     from app.scodoc import notesdb as ndb
     from app.scodoc import sco_utils as scu
     from flask_login import login_user, logout_user, current_user
+    import app as mapp  # le package app
 
     return {
         "db": db,
@@ -56,6 +57,7 @@ def make_shell_context():
         "logout_user": logout_user,
         "ctx": app.test_request_context(),
         "models": models,
+        "mapp": mapp,
     }
 
 
@@ -148,6 +150,9 @@ def user_password(username, password=None):  # user-password
 @click.argument("dept")
 def delete_dept(dept):  # delete-dept
     """Delete existing departement"""
+    from app.scodoc import notesdb as ndb
+    from app.scodoc import sco_dept
+
     click.confirm(
         f"""Attention: Cela va effacer toutes les données du département {dept}
         (étudiants, notes, formations, etc)
@@ -156,12 +161,12 @@ def delete_dept(dept):  # delete-dept
         abort=True,
     )
     db.reflect()
+    ndb.open_db_connection()
     d = models.Departement.query.filter_by(acronym=dept).first()
     if d is None:
         sys.stderr.write(f"Erreur: le departement {dept} n'existe pas !")
         return 2
-    # XXX TODO: détruire les objets du département !
+    sco_dept.delete_dept(d.id)
-    db.session.delete(d)
     db.session.commit()
     return 0