From a79c3d51e09f252e86fbb7b592a43f7d3e9ac3ef Mon Sep 17 00:00:00 2001
From: Jonas Platte <jplatte+git@posteo.de>
Date: Thu, 4 Jun 2020 21:07:27 +0200
Subject: [PATCH] Add presence module

---
 Cargo.toml      |  5 +++--
 src/lib.rs      |  1 +
 src/presence.rs | 23 +++++++++++++++++++++++
 3 files changed, 27 insertions(+), 2 deletions(-)
 create mode 100644 src/presence.rs

diff --git a/Cargo.toml b/Cargo.toml
index d12d3208..5fbb0160 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,6 +12,7 @@ edition = "2018"
 
 [dependencies]
 matches = "0.1.8"
-ruma-serde = "0.2.1"
-serde = { version = "1.0.110", features = ["derive"] }
+ruma-serde = "0.2.2"
+serde = { version = "1.0.111", features = ["derive"] }
 serde_json = { version = "1.0.53", features = ["raw_value"] }
+strum = { version = "0.18.0", features = ["derive"] }
diff --git a/src/lib.rs b/src/lib.rs
index 6849d043..7f8a83a3 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -2,4 +2,5 @@
 
 #![warn(missing_docs)]
 
+pub mod presence;
 pub mod push;
diff --git a/src/presence.rs b/src/presence.rs
new file mode 100644
index 00000000..2931095e
--- /dev/null
+++ b/src/presence.rs
@@ -0,0 +1,23 @@
+use serde::{Deserialize, Serialize};
+use strum::{Display, EnumString};
+
+/// A description of a user's connectivity and availability for chat.
+#[derive(Clone, Copy, Debug, PartialEq, Display, EnumString, Deserialize, Serialize)]
+#[serde(rename_all = "snake_case")]
+#[strum(serialize_all = "snake_case")]
+pub enum PresenceState {
+    /// Disconnected from the service.
+    Offline,
+
+    /// Connected to the service.
+    Online,
+
+    /// Connected to the service but not available for chat.
+    Unavailable,
+}
+
+impl Default for PresenceState {
+    fn default() -> Self {
+        Self::Online
+    }
+}