Add ability for users to block an account/instance on server side

server/lib/blocklist.ts

@@ -0,0 +1,40 @@
+import { sequelizeTypescript } from '../initializers'
+import { AccountBlocklistModel } from '../models/account/account-blocklist'
+import { ServerBlocklistModel } from '../models/server/server-blocklist'
+
+function addAccountInBlocklist (byAccountId: number, targetAccountId: number) {
+  return sequelizeTypescript.transaction(async t => {
+    return AccountBlocklistModel.create({
+      accountId: byAccountId,
+      targetAccountId: targetAccountId
+    }, { transaction: t })
+  })
+}
+
+function addServerInBlocklist (byAccountId: number, targetServerId: number) {
+  return sequelizeTypescript.transaction(async t => {
+    return ServerBlocklistModel.create({
+      accountId: byAccountId,
+      targetServerId
+    }, { transaction: t })
+  })
+}
+
+function removeAccountFromBlocklist (accountBlock: AccountBlocklistModel) {
+  return sequelizeTypescript.transaction(async t => {
+    return accountBlock.destroy({ transaction: t })
+  })
+}
+
+function removeServerFromBlocklist (serverBlock: ServerBlocklistModel) {
+  return sequelizeTypescript.transaction(async t => {
+    return serverBlock.destroy({ transaction: t })
+  })
+}
+
+export {
+  addAccountInBlocklist,
+  addServerInBlocklist,
+  removeAccountFromBlocklist,
+  removeServerFromBlocklist
+}