add: individual topic write permissions

crates/app/src/public/html/communities/settings.lisp

@@ -686,12 +686,12 @@
                         (div
                             ("class" "flex flex_col gap_1")
                             (label
-                                ("for" "description")
+                                ("for" "{{ id }}-description")
                                 (str (text "communities:label.description")))
                             (input
                                 ("type" "text")
                                 ("name" "description")
-                                ("id" "description")
+                                ("id" "{{ id }}-description")
                                 ("placeholder" "description")
                                 ("value" "{{ topic.description }}")
                                 ("required" "")
@@ -700,12 +700,12 @@
                         (div
                             ("class" "flex flex_col gap_1")
                             (label
-                                ("for" "color")
+                                ("for" "{{ id }}-color")
                                 (str (text "communities:label.color")))
                             (input
                                 ("type" "color")
                                 ("name" "color")
-                                ("id" "color")
+                                ("id" "{{ id }}-color")
                                 ("placeholder" "color")
                                 ("required" "")
                                 ("value" "{{ topic.color }}")
@@ -713,17 +713,37 @@
                         (div
                             ("class" "flex flex_col gap_1")
                             (label
-                                ("for" "position")
+                                ("for" "{{ id }}-position")
                                 (str (text "communities:label.position")))
                             (input
                                 ("type" "number")
                                 ("name" "position")
-                                ("id" "position")
+                                ("id" "{{ id }}-position")
                                 ("placeholder" "position")
                                 ("required" "")
                                 ("value" "{{ topic.position }}")
                                 ("min" "0")
                                 ("max" "256")))
+                        (div
+                            ("class" "flex flex_col gap_1")
+                            (label
+                                ("for" "{{ id }}-write_access")
+                                (text "Post permission"))
+                            (select
+                                ("name" "write_access")
+                                ("id" "{{ id }}-write_access")
+                                (option
+                                    ("value" "Everybody")
+                                    ("selected" "{% if topic.write_access == 'Everybody' -%}true{% else %}false{%- endif %}")
+                                    (text "Everybody"))
+                                (option
+                                    ("value" "Joined")
+                                    ("selected" "{% if topic.write_access == 'Joined' -%}true{% else %}false{%- endif %}")
+                                    (text "Joined"))
+                                (option
+                                    ("value" "Owner")
+                                    ("selected" "{% if topic.write_access == 'Owner' -%}true{% else %}false{%- endif %}")
+                                    (text "Owner only"))))
                         (button
                             (icon (text "check"))
                             (str (text "general:action.save")))))))
@@ -794,6 +814,7 @@
                     description: e.target.description.value,
                     color: e.target.color.value,
                     position: Number.parseInt(e.target.position.value),
+                    write_access: e.target.write_access.selectedOptions[0].value,
                 }),
             })
                 .then((res) => res.json())

crates/app/src/public/html/communities/topic.lisp

@@ -9,6 +9,7 @@
             (text "{{ components::topic_display(id=topic_id, topic=topic, community=community, show_description=false) }}")
             (div
                 ("class" "flex gap_2")
+                (text "{% if can_post -%}")
                 (a
                     ("href" "/communities/intents/post?community={{ community.id }}&topic={{ topic_id }}&sig=true")
                     ("class" "button small lowered")
@@ -16,6 +17,7 @@
                     (icon (text "plus"))
                     (span
                         (str (text "general:action.post"))))
+                (text "{%- endif %}")
                 (a
                     ("href" "/community/{{ community.title }}")
                     ("class" "button lowered small")

crates/app/src/routes/api/v1/communities/communities.rs

@@ -560,7 +560,13 @@ pub async fn add_topic_request(
     }
 
     // ...
-    let (topic_id, topic) = ForumTopic::new(req.title, req.description, req.color, req.position);
+    let (topic_id, topic) = ForumTopic::new(
+        req.title,
+        req.description,
+        req.color,
+        req.position,
+        community.write_access,
+    );
     community.topics.insert(topic_id, topic);
 
     match data
@@ -616,6 +622,7 @@ pub async fn update_topic_request(
         description: req.description,
         color: req.color,
         position: req.position,
+        write_access: req.write_access,
     };
 
     community.topics.insert(topic_id, topic);

crates/app/src/routes/api/v1/mod.rs

@@ -797,6 +797,8 @@ pub struct AddTopic {
     pub color: String,
     #[serde(default)]
     pub position: i32,
+    #[serde(default)]
+    pub write_access: CommunityWriteAccess,
 }
 
 #[derive(Deserialize)]

crates/core/src/database/posts.rs

@@ -1783,6 +1783,28 @@ impl DataManager {
         }
     }
 
+    /// Check if the given `uid` can post in the given `community` with the given `access`.
+    pub async fn check_can_post_with_access(
+        &self,
+        community: &Community,
+        access: &CommunityWriteAccess,
+        uid: usize,
+    ) -> bool {
+        match *access {
+            CommunityWriteAccess::Owner => uid == community.owner,
+            CommunityWriteAccess::Joined => {
+                match self
+                    .get_membership_by_owner_community(uid, community.id)
+                    .await
+                {
+                    Ok(m) => m.role.check_member(),
+                    Err(_) => false,
+                }
+            }
+            _ => true,
+        }
+    }
+
     /// Create a new post in the database.
     ///
     /// # Arguments
@@ -1840,7 +1862,15 @@ impl DataManager {
                 ));
             }
 
-            if community.topics.get(&data.topic).is_none() {
+            if let Some(topic) = community.topics.get(&data.topic) {
+                // check permission
+                if !self
+                    .check_can_post_with_access(&community, &topic.write_access, data.owner)
+                    .await
+                {
+                    return Err(Error::NotAllowed);
+                }
+            } else {
                 return Err(Error::GeneralNotFound("topic".to_string()));
             }
         }

crates/core/src/model/communities.rs

@@ -541,6 +541,8 @@ pub struct ForumTopic {
     pub description: String,
     pub color: String,
     pub position: i32,
+    #[serde(default)]
+    pub write_access: CommunityWriteAccess,
 }
 
 impl ForumTopic {
@@ -549,7 +551,13 @@ impl ForumTopic {
     /// # Returns
     /// * ID for [`Community`] hashmap
     /// * [`ForumTopic`]
-    pub fn new(title: String, description: String, color: String, position: i32) -> (usize, Self) {
+    pub fn new(
+        title: String,
+        description: String,
+        color: String,
+        position: i32,
+        write_access: CommunityWriteAccess,
+    ) -> (usize, Self) {
         (
             Snowflake::new().to_string().parse::<usize>().unwrap(),
             Self {
@@ -557,6 +565,7 @@ impl ForumTopic {
                 description,
                 color,
                 position,
+                write_access,
             },
         )
     }