File refs in one table

Added a file service
Refactored evidence and vendor compliance associated services and resolvers
Created SQL migration scripts
Updated GraphQL schema accordingly and the UI components
Removed unused methods and resolvers for evidence service

Signed-off-by: Yannis Varni <yannis@edinomis.fr>

pkg/coredata/file.go

@@ -135,3 +135,39 @@ VALUES (
 	_, err := conn.Exec(ctx, q, args)
 	return err
 }
+
+func (f File) SoftDelete(ctx context.Context, conn pg.Conn, scope Scoper) error {
+	q := `
+UPDATE files
+SET deleted_at = NOW()
+WHERE %s
+    AND id = @file_id
+`
+
+	q = fmt.Sprintf(q, scope.SQLFragment())
+
+	args := pgx.StrictNamedArgs{"file_id": f.ID}
+	maps.Copy(args, scope.SQLArguments())
+
+	_, err := conn.Exec(ctx, q, args)
+
+	return err
+}
+
+func (f File) HardDelete(ctx context.Context, conn pg.Conn, scope Scoper) (*string, error) {
+	q := `
+DELETE FROM files
+WHERE %s
+    AND id = @file_id
+RETURNING file_key
+`
+
+	q = fmt.Sprintf(q, scope.SQLFragment())
+	args := pgx.StrictNamedArgs{"file_id": f.ID}
+	maps.Copy(args, scope.SQLArguments())
+
+	var vcrFileKey *string
+	err := conn.QueryRow(ctx, q, args).Scan(&vcrFileKey)
+
+	return vcrFileKey, err
+}