story-kit: merge 316_refactor_abstract_bot_transport_layer_for_multi_platform_support

server/src/matrix/config.rs

@@ -58,6 +58,18 @@ pub struct BotConfig {
     /// manually while the bot is running.
     #[serde(default)]
     pub ambient_rooms: Vec<String>,
+    /// Chat transport to use: `"matrix"` (default) or `"whatsapp"`.
+    ///
+    /// Selects which [`ChatTransport`] implementation the bot uses for
+    /// sending and editing messages.  Currently only read during bot
+    /// startup to select the transport; the field is kept for config
+    /// round-tripping.
+    #[serde(default = "default_transport")]
+    pub transport: String,
+}
+
+fn default_transport() -> String {
+    "matrix".to_string()
 }
 
 impl BotConfig {
@@ -509,4 +521,45 @@ ambient_rooms = ["!abc:example.com"]
         let config = BotConfig::load(tmp.path()).unwrap();
         assert!(config.ambient_rooms.is_empty());
     }
+
+    #[test]
+    fn load_transport_defaults_to_matrix() {
+        let tmp = tempfile::tempdir().unwrap();
+        let sk = tmp.path().join(".story_kit");
+        fs::create_dir_all(&sk).unwrap();
+        fs::write(
+            sk.join("bot.toml"),
+            r#"
+homeserver = "https://matrix.example.com"
+username = "@bot:example.com"
+password = "secret"
+room_ids = ["!abc:example.com"]
+enabled = true
+"#,
+        )
+        .unwrap();
+        let config = BotConfig::load(tmp.path()).unwrap();
+        assert_eq!(config.transport, "matrix");
+    }
+
+    #[test]
+    fn load_transport_reads_custom_value() {
+        let tmp = tempfile::tempdir().unwrap();
+        let sk = tmp.path().join(".story_kit");
+        fs::create_dir_all(&sk).unwrap();
+        fs::write(
+            sk.join("bot.toml"),
+            r#"
+homeserver = "https://matrix.example.com"
+username = "@bot:example.com"
+password = "secret"
+room_ids = ["!abc:example.com"]
+enabled = true
+transport = "whatsapp"
+"#,
+        )
+        .unwrap();
+        let config = BotConfig::load(tmp.path()).unwrap();
+        assert_eq!(config.transport, "whatsapp");
+    }
 }