New protected communitites feature

src/bot/mod.rs

@@ -236,7 +236,8 @@ async fn handle_series(
 
         let post_id = lemmy.post(post_data).await?;
 
-        if post_series_config.pin_settings.pin_new_post_community {
+        let read = data.read().await;
+        if post_series_config.pin_settings.pin_new_post_community && !read.config.protected_communities.contains(&post_series_config.name) {
             let pinned_posts = lemmy.get_community_pinned(community_id).await?;
             if !pinned_posts.is_empty() {
                 let community_pinned_post = &pinned_posts[0];
@@ -244,17 +245,33 @@ async fn handle_series(
             }
             lemmy.pin(post_id, PostFeatureType::Community).await?;
         }
+        else if read.config.protected_communities.contains(&post_series_config.name) {
+            let message = Message::Warning(format!("Community '{}' for Series '{}' is protected. Is this intended?", &post_series_config.name, series.slug));
+            if !read.messages.contains(&message) {
+                drop(read);
+                let mut write = data.write().await;
+                write.messages.push(message);
+            };
+        }
 
+        let read = data.read().await;
         if post_series_config.pin_settings.pin_new_post_local {
             let pinned_posts = lemmy.get_local_pinned().await?;
             if !pinned_posts.is_empty() {
-                let community_pinned_post = &pinned_posts[0];
-                lemmy.unpin(community_pinned_post.post.id, PostFeatureType::Local).await?;
+                for pinned_post in pinned_posts {
+                    if read.config.protected_communities.contains(&pinned_post.community.name) {
+                        continue
+                    }
+                    else {
+                        let community_pinned_post = &pinned_post;
+                        lemmy.unpin(community_pinned_post.post.id, PostFeatureType::Local).await?;
+                        break
+                    }
+                }
             }
             lemmy.pin(post_id, PostFeatureType::Local).await?;
         }
 
-        let read = data.read().await;
         let mut series_history = read.post_history.get_series(series.slug.as_str());
         let mut part_history = series_history.get_part(post_part_info.as_string().as_str());
         drop(read);

src/config/mod.rs

@@ -6,6 +6,7 @@ pub(crate) struct Config {
     pub(crate) instance: String,
     pub(crate) status_post_url: Option<String>,
     pub(crate) config_reload_seconds: u32,
+    pub(crate) protected_communities: Vec<String>,
     pub(crate) series: Vec<SeriesConfig>,
 }
 
@@ -34,6 +35,7 @@ impl Default for Config {
             instance: "".to_string(),
             status_post_url: None,
             config_reload_seconds: 21600,
+            protected_communities: vec![],
             series: vec![]
         }
     }

src/main.rs

@@ -42,6 +42,7 @@ impl SharedData {
                 instance: "".to_string(),
                 status_post_url: None,
                 config_reload_seconds: 0,
+                protected_communities: vec![],
                 series: vec![],
             },
             post_history: SeriesHistory {