Feat: Push notification server (#387)

* feat: create base of push daemon

Signed-off-by: IAmTomahawkx <iamtomahawkx@gmail.com>

* Add outbound senders

* Make web_push send to rabbit instead (temp stuff)

* feat: stability and friend requests

* make vapid fr stuff not suck

* swap naming of queue

* move pushd into daemons folder

* fix cargo file for move into daemons folder

* feat: probably working fcm push notifs

* comment out fcm webpush stuff since the config keys dont exist

* fix fcm, name queues according to their prod status and configure routing keys

* add pushd to docker

* mix: Remove old code, add stuff to pushd

* fix: lockfile

* feat: update rocket to 5.0.1

* fix: fix queues and ack bugs

* Move rabbit messsage processing into ack queue

* chore: update readme

* chore: optimizations for ack database hits

* pushd flowchart

* misc: update flowchart

* exit dependancy hell

* add rocket_impl flag to authifier

* make the tests file of delta actually compile

* fix: don't silence every push message

* fix: don't silence all messages

* add debug logging for sending data to rabbit from message events

* validate mentions at a server membership level

* put back that import that was actually important

* minor fix to lockfile

* update delta authifier

* feat: proper permissions for push notifications

* add unit test for mention sanitization

* remove local file dependancy on authifier

* update ports to proper defaults

* fixTM the node bindings

* Theoretically configure docker releases for pushd

Signed-off-by: IAmTomahawkx <iamtomahawkx@gmail.com>

* declare exchange in pushd and delta

* fix createbuckets script

Signed-off-by: IAmTomahawkx <iamtomahawkx@gmail.com>

* fix: reference db implementation

Signed-off-by: IAmTomahawkx <iamtomahawkx@gmail.com>

* fix: remove finally redundant code

Signed-off-by: IAmTomahawkx <iamtomahawkx@gmail.com>

* fix: changes

Signed-off-by: IAmTomahawkx <iamtomahawkx@gmail.com>

* fix: other changes

Signed-off-by: IAmTomahawkx <iamtomahawkx@gmail.com>

* fix: make channel name return result

Signed-off-by: IAmTomahawkx <iamtomahawkx@gmail.com>

---------

Signed-off-by: IAmTomahawkx <iamtomahawkx@gmail.com>

crates/core/database/src/events/mod.rs

@@ -1,2 +1,3 @@
 pub mod client;
+pub mod rabbit;
 pub mod server;

crates/core/database/src/events/rabbit.rs

@@ -0,0 +1,59 @@
+use std::collections::HashMap;
+
+use revolt_models::v0::PushNotification;
+use serde::{Deserialize, Serialize};
+
+use crate::User;
+
+#[derive(Serialize, Deserialize)]
+pub struct MessageSentPayload {
+    pub notification: PushNotification,
+    pub users: Vec<String>,
+}
+
+#[derive(Serialize, Deserialize, Clone)]
+pub struct FRAcceptedPayload {
+    pub accepted_user: User,
+    pub user: String,
+}
+
+#[derive(Serialize, Deserialize, Clone)]
+pub struct FRReceivedPayload {
+    pub from_user: User,
+    pub user: String,
+}
+
+#[derive(Serialize, Deserialize, Clone)]
+pub struct GenericPayload {
+    pub title: String,
+    pub body: String,
+    pub icon: Option<String>,
+    pub user: User,
+}
+
+#[derive(Serialize, Deserialize)]
+#[serde(tag = "type", content = "data")]
+#[allow(clippy::large_enum_variant)]
+pub enum PayloadKind {
+    MessageNotification(PushNotification),
+    FRAccepted(FRAcceptedPayload),
+    FRReceived(FRReceivedPayload),
+    BadgeUpdate(usize),
+    Generic(GenericPayload),
+}
+
+#[derive(Serialize, Deserialize)]
+pub struct PayloadToService {
+    pub notification: PayloadKind,
+    pub user_id: String,
+    pub session_id: String,
+    pub token: String,
+    pub extras: HashMap<String, String>,
+}
+
+#[derive(Serialize, Deserialize)]
+pub struct AckPayload {
+    pub user_id: String,
+    pub channel_id: String,
+    pub message_id: String,
+}