Store outbound group sessions in database

database/upgrades/2020-05-12-outbound-group-session-store.go

@@ -0,0 +1,26 @@
+package upgrades
+
+import (
+	"database/sql"
+)
+
+func init() {
+	upgrades[14] = upgrade{"Add outbound group sessions to database", func(tx *sql.Tx, ctx context) error {
+		// TODO use DATETIME instead of timestamp and BLOB instead of bytea for sqlite
+		_, err := tx.Exec(`CREATE TABLE crypto_megolm_outbound_session (
+			room_id       VARCHAR(255) PRIMARY KEY,
+			session_id    CHAR(43)     NOT NULL UNIQUE,
+			session       bytea        NOT NULL,
+			shared        BOOLEAN      NOT NULL,
+			max_messages  INTEGER      NOT NULL,
+			message_count INTEGER      NOT NULL,
+			max_age       BIGINT       NOT NULL,
+			created_at    timestamp    NOT NULL,
+			last_used     timestamp    NOT NULL
+		)`)
+		if err != nil {
+			return err
+		}
+		return nil
+	}}
+}

database/upgrades/upgrades.go

@@ -28,7 +28,7 @@ type upgrade struct {
 	fn      upgradeFunc
 }
 
-const NumberOfUpgrades = 14
+const NumberOfUpgrades = 15
 
 var upgrades [NumberOfUpgrades]upgrade