Add config setting controlling if a self-introduction message is posted after joining a room

Fixes https://github.com/etkecc/baibot/issues/32

src/bot/implementation.rs

@@ -140,6 +140,10 @@ impl Bot {
         &self.inner.config.command_prefix
     }
 
+    pub(crate) fn post_join_self_introduction_enabled(&self) -> bool {
+        self.inner.config.room.post_join_self_introduction_enabled
+    }
+
     pub(crate) fn homeserver_name(&self) -> &str {
         &self.inner.config.homeserver.server_name
     }

src/bot/load_config.rs

@@ -35,6 +35,9 @@ pub fn load() -> anyhow::Result<Config> {
             }
             cfg_env::BAIBOT_USER_NAME => config.user.name = value,
             cfg_env::BAIBOT_COMMAND_PREFIX => config.command_prefix = value,
+            cfg_env::BAIBOT_ROOM_POST_JOIN_SELF_INTRODUCTION_ENABLED => {
+                config.room.post_join_self_introduction_enabled = value.parse::<bool>()?;
+            }
             cfg_env::BAIBOT_LOGGING => {
                 config.logging = value;
             }

src/controller/join/mod.rs

@@ -8,6 +8,12 @@ pub async fn handle(
     room: &mxlink::matrix_sdk::Room,
     room_config_context: &RoomConfigContext,
 ) -> anyhow::Result<()> {
+    if !bot.post_join_self_introduction_enabled() {
+        tracing::debug!("Post-join self-introduction is disabled - not sending introduction message");
+
+        return Ok(());
+    }
+
     let agent_manager = bot.agent_manager();
 
     bot.messaging()

src/entity/cfg/config.rs

@@ -19,6 +19,9 @@ pub struct Config {
     #[serde(default = "super::defaults::command_prefix")]
     pub command_prefix: String,
 
+    #[serde(default)]
+    pub room: ConfigRoom,
+
     pub access: ConfigAccess,
 
     pub agents: ConfigAgents,
@@ -37,6 +40,7 @@ impl Config {
         self.homeserver.validate()?;
         self.user.validate()?;
         self.persistence.validate()?;
+        self.room.validate()?;
         self.access.validate()?;
 
         if self.command_prefix.is_empty() {
@@ -243,6 +247,27 @@ impl PersistenceConfig {
     }
 }
 
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct ConfigRoom {
+    #[serde(default = "super::defaults::room_post_join_self_introduction_enabled")]
+    pub post_join_self_introduction_enabled: bool,
+}
+
+impl ConfigRoom {
+    pub fn validate(&self) -> anyhow::Result<()> {
+        Ok(())
+    }
+}
+
+impl Default for ConfigRoom {
+    fn default() -> Self {
+        Self {
+            post_join_self_introduction_enabled: super::defaults::room_post_join_self_introduction_enabled(),
+        }
+    }
+}
+
 #[derive(Debug, Serialize, Deserialize)]
 pub struct ConfigAccess {
     // Contains the admin whitelist patterns before parsing into regex.

src/entity/cfg/defaults.rs

@@ -18,6 +18,10 @@ pub(super) fn command_prefix() -> String {
     COMMAND_PREFIX.to_owned()
 }
 
+pub(super) fn room_post_join_self_introduction_enabled() -> bool {
+    true
+}
+
 pub(super) fn persistence_data_dir_path() -> Option<String> {
     None
 }

src/entity/cfg/env.rs

@@ -11,6 +11,9 @@ pub const BAIBOT_USER_ENCRYPTION_RECOVERY_PASSPHRASE: &str =
 
 pub const BAIBOT_COMMAND_PREFIX: &str = "BAIBOT_COMMAND_PREFIX";
 
+pub const BAIBOT_ROOM_POST_JOIN_SELF_INTRODUCTION_ENABLED: &str =
+    "BAIBOT_ROOM_POST_JOIN_SELF_INTRODUCTION_ENABLED";
+
 pub const BAIBOT_LOGGING: &str = "BAIBOT_LOGGING";
 
 pub const BAIBOT_ACCESS_ADMIN_PATTERNS: &str = "BAIBOT_ACCESS_ADMIN_PATTERNS";