Database updates (#144)

* start moving some database stuff around

* continue moving db stuff around

* more fiddling

* more updates

* and some more

* and yet more

* i broke SOMETHING but what, it's a mystery

* tidy up

* vendor ttlcache

* use ttlcache

* fix up some tests

* rename some stuff

* little reminder

* some more updates

1 files changed, 36 insertions, 0 deletions

diff --git a/internal/db/domain.go b/internal/db/domain.go
new file mode 100644
index 000000000..a6583c80c
--- /dev/null
+++ b/internal/db/domain.go
@@ -0,0 +1,36 @@
+/*
+   GoToSocial
+   Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Affero General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU Affero General Public License for more details.
+
+   You should have received a copy of the GNU Affero General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package db
+
+import "net/url"
+
+// Domain contains DB functions related to domains and domain blocks.
+type Domain interface {
+	// IsDomainBlocked checks if an instance-level domain block exists for the given domain string (eg., `example.org`).
+	IsDomainBlocked(domain string) (bool, Error)
+
+	// AreDomainsBlocked checks if an instance-level domain block exists for any of the given domains strings, and returns true if even one is found.
+	AreDomainsBlocked(domains []string) (bool, Error)
+
+	// IsURIBlocked checks if an instance-level domain block exists for the `host` in the given URI (eg., `https://example.org/users/whatever`).
+	IsURIBlocked(uri *url.URL) (bool, Error)
+
+	// AreURIsBlocked checks if an instance-level domain block exists for any `host` in the given URI slice, and returns true if even one is found.
+	AreURIsBlocked(uris []*url.URL) (bool, Error)
+}