From 9e171096a72d3e63626df7b09970476aba28eb06 Mon Sep 17 00:00:00 2001
From: Owen Jacobson <owen@grimoire.ca>
Date: Tue, 8 Oct 2024 22:43:22 -0400
Subject: Use a two-tier hierarchy for events.

This will make it much easier to slot in new event types (login events!).
---
 src/event/mod.rs      | 54 ++++++++++-----------------------------------------
 src/event/sequence.rs |  4 ++++
 2 files changed, 14 insertions(+), 44 deletions(-)

(limited to 'src/event')

diff --git a/src/event/mod.rs b/src/event/mod.rs
index e748d66..698e55a 100644
--- a/src/event/mod.rs
+++ b/src/event/mod.rs
@@ -15,63 +15,29 @@ pub use self::{
 pub type ResumePoint = Option<Sequence>;
 
 #[derive(Clone, Debug, Eq, PartialEq, serde::Serialize)]
-pub struct Event {
-    #[serde(flatten)]
-    pub instant: Instant,
-    #[serde(flatten)]
-    pub kind: Kind,
+#[serde(tag = "type", rename_all = "snake_case")]
+pub enum Event {
+    Channel(channel::Event),
+    Message(message::Event),
 }
 
 impl Sequenced for Event {
     fn instant(&self) -> Instant {
-        self.instant
+        match self {
+            Self::Channel(event) => event.instant(),
+            Self::Message(event) => event.instant(),
+        }
     }
 }
 
 impl From<channel::Event> for Event {
     fn from(event: channel::Event) -> Self {
-        Self {
-            instant: event.instant,
-            kind: event.kind.into(),
-        }
+        Self::Channel(event)
     }
 }
 
 impl From<message::Event> for Event {
     fn from(event: message::Event) -> Self {
-        Self {
-            instant: event.instant(),
-            kind: event.kind.into(),
-        }
-    }
-}
-
-#[derive(Clone, Debug, Eq, PartialEq, serde::Serialize)]
-#[serde(tag = "type", rename_all = "snake_case")]
-pub enum Kind {
-    #[serde(rename = "created")]
-    ChannelCreated(channel::event::Created),
-    #[serde(rename = "message")]
-    MessageSent(message::event::Sent),
-    MessageDeleted(message::event::Deleted),
-    #[serde(rename = "deleted")]
-    ChannelDeleted(channel::event::Deleted),
-}
-
-impl From<channel::event::Kind> for Kind {
-    fn from(kind: channel::event::Kind) -> Self {
-        match kind {
-            channel::event::Kind::Created(created) => Self::ChannelCreated(created),
-            channel::event::Kind::Deleted(deleted) => Self::ChannelDeleted(deleted),
-        }
-    }
-}
-
-impl From<message::event::Kind> for Kind {
-    fn from(kind: message::event::Kind) -> Self {
-        match kind {
-            message::event::Kind::Sent(created) => Self::MessageSent(created),
-            message::event::Kind::Deleted(deleted) => Self::MessageDeleted(deleted),
-        }
+        Self::Message(event)
     }
 }
diff --git a/src/event/sequence.rs b/src/event/sequence.rs
index ceb5bcb..bf6d5b8 100644
--- a/src/event/sequence.rs
+++ b/src/event/sequence.rs
@@ -72,6 +72,10 @@ impl Sequence {
 pub trait Sequenced {
     fn instant(&self) -> Instant;
 
+    fn at(&self) -> DateTime {
+        self.instant().at
+    }
+
     fn sequence(&self) -> Sequence {
         self.instant().into()
     }
-- 
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