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ajout des relations

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This commit is contained in:
Éric Li 2021-05-07 14:27:06 +02:00
parent 42334c7946
commit 431df65c8d
2 changed files with 77 additions and 5 deletions
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25
app/models.py
View File

@ -1,5 +1,20 @@
from app import db
Ressources_ACs = db.Table("Ressources_ACs",
db.Column("Ressource_code", db.String(4), db.ForeignKey("ressource.code")),
db.Column("AC_code", db.String(6), db.ForeignKey("AC.code"))
)
Ressources_SAEs = db.Table("Ressources_SAEs",
db.Column("Ressource_code", db.String(4), db.ForeignKey("ressource.code")),
db.Column("SAE_code", db.String(5), db.ForeignKey("SAE.code"))
)
SAEs_ACs = db.Table("SAEs_ACs",
db.Column("SAE_code", db.String(5), db.ForeignKey("SAE.code")),
db.Column("AC_code", db.String(6), db.ForeignKey("AC.code"))
)
class PN(db.Model):
code = db.Column(db.String(3), primary_key = True)
nom = db.Column(db.String(255))
@ -13,7 +28,7 @@ class PN(db.Model):
class AC(db.Model):
code = db.Column(db.String(6), primary_key = True)
titre = db.Column(db.String(255))
saes = db.Column(db.String(255))
saes = db.relationship("SAE", secondary=SAEs_ACs, lazy=True, backref=db.backref("acs", lazy=True))
def __repr__(self):
return "<AC {}>".format(self.code)
@ -27,8 +42,8 @@ class SAE(db.Model):
projet = db.Column(db.String(3))
description = db.Column(db.Text())
coef = db.Column(db.String(255))
acs = db.Column(db.String(255))
ressources = db.Column(db.String(255))
#acs = db.relationship("AC", secondary=SAEs_ACs, lazy=True, backref=db.backref("saes", lazy=True))
ressources = db.relationship("Ressource", secondary=Ressources_SAEs, lazy=True, backref=db.backref("saes", lazy=True))
livrables = db.Column(db.Text())
motscles = db.Column(db.String(255))
@ -42,8 +57,8 @@ class Ressource(db.Model):
heures_formation = db.Column(db.String(3))
heures_tp = db.Column(db.String(3))
coef = db.Column(db.String(255))
acs = db.Column(db.String(255))
saes = db.Column(db.String(255))
#acs = db.relationship("AC", secondary=Ressources_ACs, lazy=True, backref=db.backref("ressources", lazy=True))
#saes = db.relationship("SAE", secondary=Ressources_SAEs, lazy=True, backref=db.backref("ressources", lazy=True))
prerequis = db.Column(db.String(255))
contexte = db.Column(db.Text())
contenu = db.Column(db.Text())

57
migrations/versions/e52d97e91e29_.py Normal file
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@ -0,0 +1,57 @@
"""empty message
Revision ID: e52d97e91e29
Revises: c000b3a8d714
Create Date: 2021-05-07 14:03:45.369279
"""
from alembic import op
import sqlalchemy as sa
# revision identifiers, used by Alembic.
revision = 'e52d97e91e29'
down_revision = 'c000b3a8d714'
branch_labels = None
depends_on = None
def upgrade():
# ### commands auto generated by Alembic - please adjust! ###
op.create_table('Ressources_ACs',
sa.Column('Ressource_code', sa.String(length=4), nullable=True),
sa.Column('AC_code', sa.String(length=6), nullable=True),
sa.ForeignKeyConstraint(['AC_code'], ['AC.code'], ),
sa.ForeignKeyConstraint(['Ressource_code'], ['ressource.code'], )
)
op.create_table('Ressources_SAEs',
sa.Column('Ressource_code', sa.String(length=4), nullable=True),
sa.Column('SAE_code', sa.String(length=5), nullable=True),
sa.ForeignKeyConstraint(['Ressource_code'], ['ressource.code'], ),
sa.ForeignKeyConstraint(['SAE_code'], ['SAE.code'], )
)
op.create_table('SAEs_ACs',
sa.Column('SAE_code', sa.String(length=5), nullable=True),
sa.Column('AC_code', sa.String(length=6), nullable=True),
sa.ForeignKeyConstraint(['AC_code'], ['AC.code'], ),
sa.ForeignKeyConstraint(['SAE_code'], ['SAE.code'], )
)
op.drop_column('AC', 'saes')
op.drop_column('SAE', 'ressources')
op.drop_column('SAE', 'acs')
op.drop_column('ressource', 'saes')
op.drop_column('ressource', 'acs')
# ### end Alembic commands ###
def downgrade():
# ### commands auto generated by Alembic - please adjust! ###
op.add_column('ressource', sa.Column('acs', sa.VARCHAR(length=255), nullable=True))
op.add_column('ressource', sa.Column('saes', sa.VARCHAR(length=255), nullable=True))
op.add_column('SAE', sa.Column('acs', sa.VARCHAR(length=255), nullable=True))
op.add_column('SAE', sa.Column('ressources', sa.VARCHAR(length=255), nullable=True))
op.add_column('AC', sa.Column('saes', sa.VARCHAR(length=255), nullable=True))
op.drop_table('SAEs_ACs')
op.drop_table('Ressources_SAEs')
op.drop_table('Ressources_ACs')
# ### end Alembic commands ###