add envelop

Signed-off-by: GnomeZworc <nicolas.boufidjeline@g3e.fr>

migrations/000005_envelope_as_account.up.sql

@@ -0,0 +1,50 @@
+-- Les enveloppes deviennent des comptes avec master_account_id
+-- Un sous-compte hérite du type et de la devise de son compte maître
+ALTER TABLE account
+    ADD COLUMN master_account_id INTEGER REFERENCES account(id) ON DELETE CASCADE,
+    ADD COLUMN objectif           TEXT,
+    ADD COLUMN montant_alloue     NUMERIC(24, 8);
+
+-- Migration des enveloppes existantes vers account
+INSERT INTO account (nom, type, devise_reference, master_account_id, objectif, montant_alloue)
+SELECT e.nom, a.type, a.devise_reference, e.account_id, e.objectif, e.montant_alloue
+FROM envelope e
+JOIN account a ON a.id = e.account_id;
+
+-- Suppression des champs envelope_source/dest ajoutés en 000004
+-- (les enveloppes étant désormais des comptes, account_source_id suffit)
+ALTER TABLE transaction
+    DROP CONSTRAINT chk_transaction_sides,
+    DROP COLUMN envelope_source_id,
+    DROP COLUMN envelope_dest_id;
+
+ALTER TABLE transaction ADD CONSTRAINT chk_transaction_sides CHECK (
+    (
+        account_source_id    IS NOT NULL AND
+        instrument_source_id IS NOT NULL AND
+        quantite_source      IS NOT NULL
+        OR
+        account_source_id    IS NULL AND
+        instrument_source_id IS NULL AND
+        quantite_source      IS NULL
+    )
+    AND
+    (
+        account_dest_id    IS NOT NULL AND
+        instrument_dest_id IS NOT NULL AND
+        quantite_dest      IS NOT NULL
+        OR
+        account_dest_id    IS NULL AND
+        instrument_dest_id IS NULL AND
+        quantite_dest      IS NULL
+    )
+    AND
+    (account_source_id IS NOT NULL OR account_dest_id IS NOT NULL)
+);
+
+-- Suppression de la FK envelope_id dans recurring_rule avant de dropper envelope
+ALTER TABLE recurring_rule DROP COLUMN envelope_id;
+
+-- Suppression des tables envelope devenues inutiles
+DROP TABLE IF EXISTS envelope_snapshot;
+DROP TABLE IF EXISTS envelope;