Don't allow community name editing. Fixes #964

docs/src/contributing_websocket_http_api.md

@@ -979,7 +979,6 @@ Mods and admins can remove and lock a community, creators can delete it.
   op: "EditCommunity",
   data: {
     edit_id: i32,
-    name: String,
     title: String,
     description: Option<String>,
     category_id: i32,

server/src/api/community.rs

@@ -98,7 +98,6 @@ pub struct AddModToCommunityResponse {
 #[derive(Serialize, Deserialize)]
 pub struct EditCommunity {
   pub edit_id: i32,
-  name: String,
   title: String,
   description: Option<String>,
   category_id: i32,
@@ -333,10 +332,6 @@ impl Perform for Oper<EditCommunity> {
   ) -> Result<CommunityResponse, LemmyError> {
     let data: &EditCommunity = &self.data;
 
-    if let Err(slurs) = slur_check(&data.name) {
-      return Err(APIError::err(&slurs_vec_to_str(slurs)).into());
-    }
-
     if let Err(slurs) = slur_check(&data.title) {
       return Err(APIError::err(&slurs_vec_to_str(slurs)).into());
     }
@@ -352,10 +347,6 @@ impl Perform for Oper<EditCommunity> {
       Err(_e) => return Err(APIError::err("not_logged_in").into()),
     };
 
-    if !is_valid_community_name(&data.name) {
-      return Err(APIError::err("invalid_community_name").into());
-    }
-
     let user_id = claims.id;
 
     // Check for a site ban
@@ -388,7 +379,7 @@ impl Perform for Oper<EditCommunity> {
     let read_community = blocking(pool, move |conn| Community::read(conn, edit_id)).await??;
 
     let community_form = CommunityForm {
-      name: data.name.to_owned(),
+      name: read_community.name,
       title: data.title.to_owned(),
       description: data.description.to_owned(),
       category_id: data.category_id.to_owned(),

ui/src/components/community-form.tsx

@@ -128,6 +128,7 @@ export class CommunityForm extends Component<
           message={i18n.t('block_leaving')}
         />
         <form onSubmit={linkEvent(this, this.handleCreateCommunitySubmit)}>
+          {!this.props.community && (
             <div class="form-group row">
               <label class="col-12 col-form-label" htmlFor="community-name">
                 {i18n.t('name')}
@@ -147,7 +148,7 @@ export class CommunityForm extends Component<
                 />
               </div>
             </div>
-
+          )}
           <div class="form-group row">
             <label class="col-12 col-form-label" htmlFor="community-title">
               {i18n.t('title')}