From 8c109d3c0a7ec66b352dc82677d30db7cb0723eb Mon Sep 17 00:00:00 2001
From: Tilo Spannagel <development@tilosp.de>
Date: Thu, 21 Jan 2021 15:53:03 +0100
Subject: [PATCH] Add constructor for markdown formatted messages behind a
 feature flag

Signed-off-by: Tilo Spannagel <development@tilosp.de>
---
 ruma-events/Cargo.toml          | 2 ++
 ruma-events/src/room/message.rs | 9 +++++++++
 ruma/Cargo.toml                 | 1 +
 3 files changed, 12 insertions(+)

diff --git a/ruma-events/Cargo.toml b/ruma-events/Cargo.toml
index 8d06ffb1..28ded211 100644
--- a/ruma-events/Cargo.toml
+++ b/ruma-events/Cargo.toml
@@ -20,6 +20,7 @@ ruma-identifiers = { version = "=0.18.0-alpha.1", path = "../ruma-identifiers" }
 ruma-serde = { version = "0.3.0", path = "../ruma-serde" }
 serde = { version = "1.0.118", features = ["derive"] }
 serde_json = { version = "1.0.60", features = ["raw_value"] }
+pulldown-cmark = { version = "0.8", default-features = false, optional = true }
 
 [dev-dependencies]
 maplit = "1.0.2"
@@ -31,6 +32,7 @@ trybuild = "1.0.38"
 unstable-exhaustive-types = []
 unstable-pre-spec = []
 unstable-synapse-quirks = []
+markdown = ["pulldown-cmark"]
 
 [[bench]]
 name = "event_deserialize"
diff --git a/ruma-events/src/room/message.rs b/ruma-events/src/room/message.rs
index cc304233..8ef149ec 100644
--- a/ruma-events/src/room/message.rs
+++ b/ruma-events/src/room/message.rs
@@ -479,6 +479,15 @@ impl TextMessageEventContent {
         Self { formatted: Some(FormattedBody::html(html_body)), ..Self::plain(body) }
     }
 
+    /// A convenience constructor to create a markdown message.
+    #[cfg(feature = "markdown")]
+    pub fn markdown(body: impl Into<String>) -> Self {
+        let body = body.into();
+        let mut html_body = String::new();
+        pulldown_cmark::html::push_html(&mut html_body, pulldown_cmark::Parser::new(&body));
+        Self::html(body, html_body)
+    }
+
     /// A convenience constructor to create a plain text message.
     #[deprecated = "Renamed to plain"]
     pub fn new_plain(body: impl Into<String>) -> Self {
diff --git a/ruma/Cargo.toml b/ruma/Cargo.toml
index 46f3c0e1..2a5c94f5 100644
--- a/ruma/Cargo.toml
+++ b/ruma/Cargo.toml
@@ -63,3 +63,4 @@ unstable-synapse-quirks = [
     "ruma-common/unstable-synapse-quirks",
     "ruma-events/unstable-synapse-quirks",
 ]
+markdown = ["ruma-events/markdown"]