add unfollow and unblock methods

src/api/friends.rs

@@ -3,7 +3,9 @@
 //! Implements the following methods:
 //!
 //! - [`Sbot::block`]
+//! - [`Sbot::unblock`]
 //! - [`Sbot::follow`]
+//! - [`Sbot::unfollow`]
 //! - [`Sbot::friends_hops`]
 //! - [`Sbot::friends_is_blocking`]
 //! - [`Sbot::friends_is_following`]
@@ -46,6 +48,35 @@ impl Sbot {
         self.set_relationship(contact, true, false).await
     }
 
+    /// Unfollow a peer.
+    ///
+    /// This is a convenience method to publish a contact message with
+    /// following: `false` and blocking: `false`.
+    ///
+    /// # Example
+    ///
+    /// ```rust
+    /// use golgi::{Sbot, GolgiError};
+    ///
+    /// async fn unfollow_peer() -> Result<(), GolgiError> {
+    ///     let mut sbot_client = Sbot::init(None, None).await?;
+    ///
+    ///     let ssb_id = "@zqshk7o2Rpd/OaZ/MxH6xXONgonP1jH+edK9+GZb/NY=.ed25519";
+    ///
+    ///     match sbot_client.unfollow(ssb_id).await {
+    ///         Ok(msg_ref) => {
+    ///             println!("unfollow msg reference is: {}", msg_ref)
+    ///         },
+    ///         Err(e) => eprintln!("failed to unfollow {}: {}", ssb_id, e)
+    ///     }
+    ///
+    ///     Ok(())
+    /// }
+    /// ```
+    pub async fn unfollow(&mut self, contact: &str) -> Result<String, GolgiError> {
+        self.set_relationship(contact, false, false).await
+    }
+
     /// Block a peer.
     ///
     /// This is a convenience method to publish a contact message with
@@ -75,6 +106,35 @@ impl Sbot {
         self.set_relationship(contact, false, true).await
     }
 
+    /// Unblock a peer.
+    ///
+    /// This is a convenience method to publish a contact message with
+    /// following: `false` and blocking: `false`.
+    ///
+    /// # Example
+    ///
+    /// ```rust
+    /// use golgi::{Sbot, GolgiError};
+    ///
+    /// async fn unblock_peer() -> Result<(), GolgiError> {
+    ///     let mut sbot_client = Sbot::init(None, None).await?;
+    ///
+    ///     let ssb_id = "@zqshk7o2Rpd/OaZ/MxH6xXONgonP1jH+edK9+GZb/NY=.ed25519";
+    ///
+    ///     match sbot_client.unblock(ssb_id).await {
+    ///         Ok(msg_ref) => {
+    ///             println!("unblock msg reference is: {}", msg_ref)
+    ///         },
+    ///         Err(e) => eprintln!("failed to unblock {}: {}", ssb_id, e)
+    ///     }
+    ///
+    ///     Ok(())
+    /// }
+    /// ```
+    pub async fn unblock(&mut self, contact: &str) -> Result<String, GolgiError> {
+        self.set_relationship(contact, false, false).await
+    }
+
     /// Publish a contact message defining the relationship for a peer.
     ///
     /// # Example