[feature] Create/update/remove domain permission subscriptions (#3623)

* [feature] Create/update/remove domain permission subscriptions

* lint

* envparsing

* remove errant fmt.Println

* create drafts, subs, exclude, from snapshot models

* name etag column correctly

* remove count column

* lint

5 files changed, 178 insertions, 1 deletions

diff --git a/internal/db/bundb/migrations/20241022153016_domain_permission_draft_exclude.go b/internal/db/bundb/migrations/20241022153016_domain_permission_draft_exclude.go
index e19ea2b4d..32485ec64 100644
--- a/internal/db/bundb/migrations/20241022153016_domain_permission_draft_exclude.go
+++ b/internal/db/bundb/migrations/20241022153016_domain_permission_draft_exclude.go
@@ -20,7 +20,7 @@ package migrations
 import (
 	"context"
 
-	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+	gtsmodel "github.com/superseriousbusiness/gotosocial/internal/db/bundb/migrations/20241022153016_domain_permission_draft_exclude"
 	"github.com/uptrace/bun"
 )
 
diff --git a/internal/db/bundb/migrations/20241022153016_domain_permission_draft_exclude/domainpermissiondraft.go b/internal/db/bundb/migrations/20241022153016_domain_permission_draft_exclude/domainpermissiondraft.go
new file mode 100644
index 000000000..e93b86f5c
--- /dev/null
+++ b/internal/db/bundb/migrations/20241022153016_domain_permission_draft_exclude/domainpermissiondraft.go
@@ -0,0 +1,33 @@
+// GoToSocial
+// Copyright (C) GoToSocial Authors admin@gotosocial.org
+// SPDX-License-Identifier: AGPL-3.0-or-later
+//
+// 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 gtsmodel
+
+import "time"
+
+type DomainPermissionDraft struct {
+	ID                 string    `bun:"type:CHAR(26),pk,nullzero,notnull,unique"`
+	CreatedAt          time.Time `bun:"type:timestamptz,nullzero,notnull,default:current_timestamp"`
+	UpdatedAt          time.Time `bun:"type:timestamptz,nullzero,notnull,default:current_timestamp"`
+	PermissionType     uint8     `bun:",notnull,unique:domain_permission_drafts_permission_type_domain_subscription_id_uniq"`
+	Domain             string    `bun:",nullzero,notnull,unique:domain_permission_drafts_permission_type_domain_subscription_id_uniq"`
+	CreatedByAccountID string    `bun:"type:CHAR(26),nullzero,notnull"`
+	PrivateComment     string    `bun:",nullzero"`
+	PublicComment      string    `bun:",nullzero"`
+	Obfuscate          *bool     `bun:",nullzero,notnull,default:false"`
+	SubscriptionID     string    `bun:"type:CHAR(26),unique:domain_permission_drafts_permission_type_domain_subscription_id_uniq"`
+}
diff --git a/internal/db/bundb/migrations/20241022153016_domain_permission_draft_exclude/domainpermissionexclude.go b/internal/db/bundb/migrations/20241022153016_domain_permission_draft_exclude/domainpermissionexclude.go
new file mode 100644
index 000000000..3ff46ba23
--- /dev/null
+++ b/internal/db/bundb/migrations/20241022153016_domain_permission_draft_exclude/domainpermissionexclude.go
@@ -0,0 +1,31 @@
+// GoToSocial
+// Copyright (C) GoToSocial Authors admin@gotosocial.org
+// SPDX-License-Identifier: AGPL-3.0-or-later
+//
+// 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 gtsmodel
+
+import (
+	"time"
+)
+
+type DomainPermissionExclude struct {
+	ID                 string    `bun:"type:CHAR(26),pk,nullzero,notnull,unique"`
+	CreatedAt          time.Time `bun:"type:timestamptz,nullzero,notnull,default:current_timestamp"`
+	UpdatedAt          time.Time `bun:"type:timestamptz,nullzero,notnull,default:current_timestamp"`
+	Domain             string    `bun:",nullzero,notnull,unique"`
+	CreatedByAccountID string    `bun:"type:CHAR(26),nullzero,notnull"`
+	PrivateComment     string    `bun:",nullzero"`
+}
diff --git a/internal/db/bundb/migrations/20241022153016_domain_permission_subscriptions.go b/internal/db/bundb/migrations/20241022153016_domain_permission_subscriptions.go
new file mode 100644
index 000000000..7d2bd085c
--- /dev/null
+++ b/internal/db/bundb/migrations/20241022153016_domain_permission_subscriptions.go
@@ -0,0 +1,75 @@
+// GoToSocial
+// Copyright (C) GoToSocial Authors admin@gotosocial.org
+// SPDX-License-Identifier: AGPL-3.0-or-later
+//
+// 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 migrations
+
+import (
+	"context"
+
+	gtsmodel "github.com/superseriousbusiness/gotosocial/internal/db/bundb/migrations/20241022153016_domain_permission_subscriptions"
+	"github.com/uptrace/bun"
+)
+
+func init() {
+	up := func(ctx context.Context, db *bun.DB) error {
+		return db.RunInTx(ctx, nil, func(ctx context.Context, tx bun.Tx) error {
+			// Create `domain_permission_subscriptions`.
+			if _, err := tx.
+				NewCreateTable().
+				Model((*gtsmodel.DomainPermissionSubscription)(nil)).
+				IfNotExists().
+				Exec(ctx); err != nil {
+				return err
+			}
+
+			// Create indexes. Indices. Indie sexes.
+			if _, err := tx.
+				NewCreateIndex().
+				Table("domain_permission_subscriptions").
+				// Filter on permission type.
+				Index("domain_permission_subscriptions_permission_type_idx").
+				Column("permission_type").
+				IfNotExists().
+				Exec(ctx); err != nil {
+				return err
+			}
+
+			if _, err := tx.
+				NewCreateIndex().
+				Table("domain_permission_subscriptions").
+				// Sort by priority DESC.
+				Index("domain_permission_subscriptions_priority_order_idx").
+				ColumnExpr("? DESC", bun.Ident("priority")).
+				IfNotExists().
+				Exec(ctx); err != nil {
+				return err
+			}
+
+			return nil
+		})
+	}
+
+	down := func(ctx context.Context, db *bun.DB) error {
+		return db.RunInTx(ctx, nil, func(ctx context.Context, tx bun.Tx) error {
+			return nil
+		})
+	}
+
+	if err := Migrations.Register(up, down); err != nil {
+		panic(err)
+	}
+}
diff --git a/internal/db/bundb/migrations/20241022153016_domain_permission_subscriptions/domainpermissionsubscription.go b/internal/db/bundb/migrations/20241022153016_domain_permission_subscriptions/domainpermissionsubscription.go
new file mode 100644
index 000000000..851f44f15
--- /dev/null
+++ b/internal/db/bundb/migrations/20241022153016_domain_permission_subscriptions/domainpermissionsubscription.go
@@ -0,0 +1,38 @@
+// GoToSocial
+// Copyright (C) GoToSocial Authors admin@gotosocial.org
+// SPDX-License-Identifier: AGPL-3.0-or-later
+//
+// 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 gtsmodel
+
+import "time"
+
+type DomainPermissionSubscription struct {
+	ID                    string    `bun:"type:CHAR(26),pk,nullzero,notnull,unique"`
+	Priority              uint8     `bun:""`
+	Title                 string    `bun:",nullzero,unique"`
+	PermissionType        uint8     `bun:",nullzero,notnull"`
+	AsDraft               *bool     `bun:",nullzero,notnull,default:true"`
+	AdoptOrphans          *bool     `bun:",nullzero,notnull,default:false"`
+	CreatedByAccountID    string    `bun:"type:CHAR(26),nullzero,notnull"`
+	URI                   string    `bun:",nullzero,notnull,unique"`
+	ContentType           uint16    `bun:",nullzero,notnull"`
+	FetchUsername         string    `bun:",nullzero"`
+	FetchPassword         string    `bun:",nullzero"`
+	FetchedAt             time.Time `bun:"type:timestamptz,nullzero"`
+	SuccessfullyFetchedAt time.Time `bun:"type:timestamptz,nullzero"`
+	ETag                  string    `bun:"etag,nullzero"`
+	Error                 string    `bun:",nullzero"`
+}