feat(api): add association table with alembic

Add model in backend and alembic migration

Reviewed-by: andriac
[Refs ticket]: #3

backend/gn_module_monitoring/migrations/a54bafb13ce8_create_cor_module_category.py

@@ -0,0 +1,47 @@
+"""create_cor_module_category
+
+Revision ID: a54bafb13ce8
+Revises: 
+Create Date: 2022-12-06 16:18:24.512562
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+# revision identifiers, used by Alembic.
+revision = "a54bafb13ce8"
+down_revision = "b53bafb13ce8"
+branch_labels = None
+depends_on = None
+
+monitorings_schema = "gn_monitoring"
+referent_schema = "gn_commons"
+
+
+def upgrade():
+    op.create_table(
+        "cor_module_categorie",
+        sa.Column(
+            "id_categorie",
+            sa.Integer(),
+            sa.ForeignKey(
+                f"{monitorings_schema}.bib_categorie_site.id_categorie",
+                name="fk_cor_module_categorie_id_categorie",
+                ondelete="CASCADE",
+                onupdate="CASCADE",
+            ),
+            nullable=False,
+        ),
+        sa.Column("id_module", sa.Integer(),sa.ForeignKey(
+                f"{referent_schema}.t_modules.id_module",
+                name="fk_cor_module_categorie_id_module",
+                ondelete="CASCADE",
+                onupdate="CASCADE",
+            ), nullable=False),
+        sa.PrimaryKeyConstraint("id_categorie", "id_module", name="pk_cor_module_categorie"),
+        schema=monitorings_schema,
+    )
+
+
+def downgrade():
+    op.drop_table("cor_module_categorie", schema=monitorings_schema)

backend/gn_module_monitoring/monitoring/models.py

@@ -20,6 +20,20 @@
 from pypnusershub.db.models import User
 from geonature.core.gn_monitoring.models import corVisitObserver
 
+cor_module_categorie = DB.Table(
+    "cor_module_categorie",
+    DB.Column(
+        "id_module",
+        DB.Integer,
+        DB.ForeignKey("gn_commons.t_modules.id_module"),
+        primary_key=True,
+    ),
+        DB.Column(
+        "id_categorie",
+        DB.Integer,
+        DB.ForeignKey("gn_monitoring.bib_categorie_site.id_categorie"),
+        primary_key=True,
+    ), schema="gn_monitoring")
 
 @serializable
 class BibCategorieSite(DB.Model):
@@ -28,7 +42,7 @@ class BibCategorieSite(DB.Model):
     id_categorie = DB.Column(DB.Integer, primary_key=True, nullable=False, unique=True)
     label = DB.Column(DB.String, nullable=False)
     config = DB.Column(JSONB)
-
+ 
 
 @serializable
 class TMonitoringObservationDetails(DB.Model):
@@ -310,6 +324,12 @@ class TMonitoringModules(TModules):
         lazy="joined",
     )
 
+    categories = DB.relationship(
+        "BibCategorieSite",
+        secondary=cor_module_categorie,
+        lazy="joined"
+    )
+
 
     data = DB.Column(JSONB)