Show warning on edit page if instance hasnt federated in 3 days (fixes #108)

src/backend/api/article.rs

@@ -258,9 +258,11 @@ pub(super) async fn resolve_article(
     data: Data<IbisData>,
 ) -> MyResult<Json<ArticleView>> {
     let article: DbArticle = ObjectId::from(query.id).dereference(&data).await?;
+    let instance = DbInstance::read(article.instance_id, &data)?;
     let latest_version = article.latest_edit_version(&data)?;
     Ok(Json(ArticleView {
         article,
+        instance,
         latest_version,
     }))
 }

src/backend/database/article.rs

@@ -11,6 +11,7 @@ use crate::{
         newtypes::{ArticleId, InstanceId},
         ArticleView,
         DbArticle,
+        DbInstance,
         EditVersion,
     },
 };
@@ -100,11 +101,15 @@ impl DbArticle {
 
     pub fn read_view(id: ArticleId, data: &IbisData) -> MyResult<ArticleView> {
         let mut conn = data.db_pool.get()?;
-        let query = article::table.find(id).into_boxed();
-        let article: DbArticle = query.get_result(conn.deref_mut())?;
+        let query = article::table
+            .find(id)
+            .inner_join(instance::table)
+            .into_boxed();
+        let (article, instance): (DbArticle, DbInstance) = query.get_result(conn.deref_mut())?;
         let latest_version = article.latest_edit_version(data)?;
         Ok(ArticleView {
             article,
+            instance,
             latest_version,
         })
     }
@@ -115,7 +120,7 @@ impl DbArticle {
         data: &IbisData,
     ) -> MyResult<ArticleView> {
         let mut conn = data.db_pool.get()?;
-        let article: DbArticle = {
+        let (article, instance): (DbArticle, DbInstance) = {
             let query = article::table
                 .inner_join(instance::table)
                 .filter(article::dsl::title.eq(title))
@@ -125,13 +130,12 @@ impl DbArticle {
             } else {
                 query.filter(article::dsl::local.eq(true))
             };
-            query
-                .select(article::all_columns)
-                .get_result(conn.deref_mut())?
+            query.get_result(conn.deref_mut())?
         };
         let latest_version = article.latest_edit_version(data)?;
         Ok(ArticleView {
             article,
+            instance,
             latest_version,
         })
     }

src/common/mod.rs

@@ -47,6 +47,7 @@ pub struct ListArticlesForm {
 #[cfg_attr(feature = "ssr", diesel(table_name = article, check_for_backend(diesel::pg::Pg)))]
 pub struct ArticleView {
     pub article: DbArticle,
+    pub instance: DbInstance,
     pub latest_version: EditVersion,
 }
 
@@ -319,7 +320,6 @@ pub struct DbInstance {
     pub public_key: String,
     #[serde(skip)]
     pub private_key: Option<String>,
-    #[serde(skip)]
     pub last_refreshed_at: DateTime<Utc>,
     pub local: bool,
     #[cfg(feature = "ssr")]

src/frontend/pages/article/edit.rs

@@ -16,6 +16,7 @@ use crate::{
         pages::article_resource,
     },
 };
+use chrono::{Days, Utc};
 use leptos::{html::Textarea, prelude::*};
 use leptos_router::{components::Redirect, hooks::use_params_map};
 use leptos_use::{use_textarea_autosize, UseTextareaAutosizeReturn};
@@ -142,9 +143,21 @@ pub fn EditArticle() -> impl IntoView {
                                                 edit_error
                                                     .get()
                                                     .map(|err| {
-                                                        view! { <p style="color:red;">{err}</p> }
+                                                        view! { <p class="alert alert-error">{err}</p> }
                                                     })
-                                            }} <EditorView textarea_ref content set_content />
+                                            }}
+                                            <Show when=move || {
+                                                article.instance.last_refreshed_at + Days::new(3)
+                                                    < Utc::now()
+                                            }>
+                                                <div class="alert alert-warning">
+                                                    This article is hosted on {article.instance.domain.clone()}
+                                                    which hasnt been federated in
+                                                    {(Utc::now() - article.instance.last_refreshed_at)
+                                                        .num_days()}
+                                                    days. Edits will most likely fail. Instead consider forking the article to your local instance (under Actions), or edit a different article.
+                                                </div>
+                                            </Show> <EditorView textarea_ref content set_content />
                                             <div class="flex flex-row mr-2">
                                                 <input
                                                     type="text"