add basic instance details page (untested)

migrations/2023-11-28-150402_ibis_setup/up.sql

@@ -1,6 +1,7 @@
 create table instance (
     id serial primary key,
     ap_id varchar(255) not null unique,
+    description text,
     inbox_url text not null,
     articles_url varchar(255) not null unique,
     public_key text not null,
@@ -23,7 +24,8 @@ create table person (
 create table local_user (
     id serial primary key,
     password_encrypted text not null,
-    person_id int REFERENCES person ON UPDATE CASCADE ON DELETE CASCADE NOT NULL
+    person_id int REFERENCES person ON UPDATE CASCADE ON DELETE CASCADE NOT NULL,
+    admin bool not null
 );
 
 create table instance_follow (

src/backend/api/user.rs

@@ -58,7 +58,8 @@ pub(in crate::backend::api) async fn register_user(
     jar: CookieJar,
     Form(form): Form<RegisterUserData>,
 ) -> MyResult<(CookieJar, Json<LocalUserView>)> {
-    let user = DbPerson::create_local(form.username, form.password, &data)?;
+    // TODO: make admin if its the first user account
+    let user = DbPerson::create_local(form.username, form.password, false, &data)?;
     let token = generate_login_token(&user.local_user, &data)?;
     let jar = jar.add(create_cookie(token, &data));
     Ok((jar, Json(user)))

src/backend/database/instance.rs

@@ -19,6 +19,7 @@ use std::sync::Mutex;
 #[diesel(table_name = instance, check_for_backend(diesel::pg::Pg))]
 pub struct DbInstanceForm {
     pub ap_id: ObjectId<DbInstance>,
+    pub description: Option<String>,
     pub articles_url: CollectionId<DbArticleCollection>,
     pub inbox_url: String,
     pub public_key: String,

src/backend/database/schema.rs

@@ -43,6 +43,7 @@ diesel::table! {
         id -> Int4,
         #[max_length = 255]
         ap_id -> Varchar,
+        description -> Nullable<Text>,
         inbox_url -> Text,
         #[max_length = 255]
         articles_url -> Varchar,
@@ -74,6 +75,7 @@ diesel::table! {
         id -> Int4,
         password_encrypted -> Text,
         person_id -> Int4,
+        admin -> Bool,
     }
 }
 

src/backend/database/user.rs

@@ -19,6 +19,7 @@ use std::sync::Mutex;
 pub struct DbLocalUserForm {
     pub password_encrypted: String,
     pub person_id: i32,
+    pub admin: bool,
 }
 
 #[derive(Debug, Clone, Insertable, AsChangeset)]
@@ -52,6 +53,7 @@ impl DbPerson {
     pub fn create_local(
         username: String,
         password: String,
+        admin: bool,
         data: &Data<MyDataHandle>,
     ) -> MyResult<LocalUserView> {
         let mut conn = data.db_connection.lock().unwrap();
@@ -76,6 +78,7 @@ impl DbPerson {
         let local_user_form = DbLocalUserForm {
             password_encrypted: hash(password, DEFAULT_COST)?,
             person_id: person.id,
+            admin,
         };
 
         let local_user = insert_into(local_user::table)

src/backend/federation/objects/instance.rs

@@ -27,6 +27,7 @@ pub struct ApubInstance {
     #[serde(rename = "type")]
     kind: ServiceType,
     id: ObjectId<DbInstance>,
+    content: Option<String>,
     articles: CollectionId<DbArticleCollection>,
     inbox: Url,
     public_key: PublicKey,
@@ -90,6 +91,7 @@ impl Object for DbInstance {
         Ok(ApubInstance {
             kind: Default::default(),
             id: self.ap_id.clone(),
+            content: self.description.clone(),
             articles: self.articles_url.clone(),
             inbox: Url::parse(&self.inbox_url)?,
             public_key: self.public_key(),
@@ -108,6 +110,7 @@ impl Object for DbInstance {
     async fn from_json(json: Self::Kind, data: &Data<Self::DataType>) -> Result<Self, Self::Error> {
         let form = DbInstanceForm {
             ap_id: json.id,
+            description: json.content,
             articles_url: json.articles,
             inbox_url: json.inbox.to_string(),
             public_key: json.public_key.public_key_pem,

src/backend/mod.rs

@@ -65,6 +65,7 @@ pub async fn start(hostname: &str, database_url: &str) -> MyResult<()> {
         let keypair = generate_actor_keypair()?;
         let form = DbInstanceForm {
             ap_id,
+            description: Some("New Ibis instance".to_string()),
             articles_url,
             inbox_url,
             public_key: keypair.public_key,

src/common/mod.rs

@@ -133,6 +133,7 @@ pub struct DbLocalUser {
     pub id: i32,
     pub password_encrypted: String,
     pub person_id: i32,
+    pub admin: bool,
 }
 
 /// Federation related data from a local or remote user.
@@ -219,6 +220,7 @@ pub struct DbInstance {
     pub ap_id: ObjectId<DbInstance>,
     #[cfg(not(feature = "ssr"))]
     pub ap_id: String,
+    pub description: Option<String>,
     #[cfg(feature = "ssr")]
     pub articles_url: CollectionId<DbArticleCollection>,
     #[cfg(not(feature = "ssr"))]

src/frontend/app.rs

@@ -7,13 +7,13 @@ use crate::frontend::pages::article::history::ArticleHistory;
 use crate::frontend::pages::article::list::ListArticles;
 use crate::frontend::pages::article::read::ReadArticle;
 use crate::frontend::pages::diff::EditDiff;
+use crate::frontend::pages::instance_details::InstanceDetails;
 use crate::frontend::pages::login::Login;
 use crate::frontend::pages::register::Register;
 use crate::frontend::pages::search::Search;
-use crate::frontend::pages::Page;
 use leptos::{
     component, create_local_resource, create_rw_signal, expect_context, provide_context,
-    use_context, view, IntoView, RwSignal, SignalGetUntracked, SignalUpdate,
+    use_context, view, IntoView, RwSignal, SignalGet, SignalGetUntracked, SignalUpdate,
 };
 use leptos_meta::provide_meta_context;
 use leptos_meta::*;
@@ -47,6 +47,17 @@ impl GlobalState {
             },
         );
     }
+
+    pub fn is_admin() -> fn() -> bool {
+        move || {
+            use_context::<RwSignal<GlobalState>>()
+                .expect("global state is provided")
+                .get()
+                .my_profile
+                .map(|p| p.local_user.admin)
+                .unwrap_or(false)
+        }
+    }
 }
 
 #[component]
@@ -71,15 +82,16 @@ pub fn App() -> impl IntoView {
                 <Nav />
                 <main>
                     <Routes>
-                        <Route path={Page::Home.path()} view=ReadArticle/>
+                        <Route path="/" view=ReadArticle/>
                         <Route path="/article/:title" view=ReadArticle/>
                         <Route path="/article/:title/edit" view=EditArticle/>
                         <Route path="/article/:title/history" view=ArticleHistory/>
                         <Route path="/article/:title/diff/:hash" view=EditDiff/>
                         <Route path="/article/create" view=CreateArticle/>
                         <Route path="/article/list" view=ListArticles/>
-                        <Route path={Page::Login.path()} view=Login/>
-                        <Route path={Page::Register.path()} view=Register/>
+                        <Route path="/instance/:hostname" view=InstanceDetails/>
+                        <Route path="/login" view=Login/>
+                        <Route path="/register" view=Register/>
                         <Route path="/search" view=Search/>
                     </Routes>
                 </main>

src/frontend/components/article_nav.rs

@@ -4,7 +4,7 @@ use leptos::*;
 use leptos_router::*;
 
 #[component]
-pub fn ArticleNav(article: Resource<String, ArticleView>) -> impl IntoView {
+pub fn ArticleNav(article: Resource<Option<String>, ArticleView>) -> impl IntoView {
     let global_state = use_context::<RwSignal<GlobalState>>().unwrap();
     view! {
         <Suspense>

src/frontend/pages/article/edit.rs

@@ -8,8 +8,8 @@ use leptos_router::use_params_map;
 #[component]
 pub fn EditArticle() -> impl IntoView {
     let params = use_params_map();
-    let title = params.get_untracked().get("title").cloned();
-    let article = article_resource(title.unwrap());
+    let title = move || params.get().get("title").cloned();
+    let article = article_resource(title);
 
     let (text, set_text) = create_signal(String::new());
     let (summary, set_summary) = create_signal(String::new());

src/frontend/pages/article/history.rs

@@ -6,8 +6,8 @@ use leptos_router::*;
 #[component]
 pub fn ArticleHistory() -> impl IntoView {
     let params = use_params_map();
-    let title = params.get_untracked().get("title").cloned();
-    let article = article_resource(title.unwrap());
+    let title = move || params.get().get("title").cloned();
+    let article = article_resource(title);
 
     view! {
         <ArticleNav article=article/>

src/frontend/pages/article/read.rs

@@ -7,11 +7,7 @@ use markdown_it::MarkdownIt;
 #[component]
 pub fn ReadArticle() -> impl IntoView {
     let params = use_params_map();
-    let title = params
-        .get_untracked()
-        .get("title")
-        .cloned()
-        .unwrap_or("Main_Page".to_string());
+    let title = move || params.get().get("title").cloned();
     let article = article_resource(title);
 
     view! {

src/frontend/pages/diff.rs

@@ -6,7 +6,7 @@ use leptos_router::*;
 #[component]
 pub fn EditDiff() -> impl IntoView {
     let params = use_params_map();
-    let title = params.get_untracked().get("title").cloned().unwrap();
+    let title = move || params.get().get("title").cloned();
     let article = article_resource(title);
 
     view! {

src/frontend/pages/instance_details.rs

@@ -0,0 +1,33 @@
+use crate::common::DbInstance;
+use crate::frontend::app::GlobalState;
+use leptos::*;
+use leptos_router::use_params_map;
+use url::Url;
+
+#[component]
+pub fn InstanceDetails() -> impl IntoView {
+    let params = use_params_map();
+    let hostname = move || params.get().get("hostname").cloned().unwrap();
+    let instance_profile = create_resource(hostname, move |hostname| async move {
+        let url = Url::parse(&format!("http://{hostname}")).unwrap();
+        GlobalState::api_client()
+            .resolve_instance(url)
+            .await
+            .unwrap()
+    });
+
+    // TODO: display list of articles from instance?
+    view! {
+        <Suspense fallback=|| view! {  "Loading..." }> {
+            move || instance_profile.get().map(|instance: DbInstance| {
+                view! {
+                    <h1>{instance.ap_id.to_string()}</h1>
+                    <Show when=GlobalState::is_admin()>
+                        <button text="Follow"/>
+                    </Show>
+                    <div>{instance.description}</div>
+                }
+            })
+        }</Suspense>
+    }
+}

src/frontend/pages/mod.rs

@@ -4,40 +4,23 @@ use leptos::{create_resource, Resource};
 
 pub(crate) mod article;
 pub(crate) mod diff;
-pub mod login;
-pub mod register;
+pub(crate) mod instance_details;
+pub(crate) mod login;
+pub(crate) mod register;
 pub(crate) mod search;
 
-#[derive(Debug, Clone, Copy, Default)]
-pub enum Page {
-    #[default]
-    Home,
-    Login,
-    Register,
-}
-
-impl Page {
-    pub fn path(&self) -> &'static str {
-        match self {
-            Self::Home => "/",
-            Self::Login => "/login",
-            Self::Register => "/register",
-        }
-    }
-}
-
-fn article_resource(title: String) -> Resource<String, ArticleView> {
-    create_resource(
-        move || title.clone(),
-        move |title| async move {
-            GlobalState::api_client()
-                .get_article(GetArticleData {
-                    title: Some(title),
-                    instance_id: None,
-                    id: None,
-                })
-                .await
-                .unwrap()
-        },
-    )
+fn article_resource(
+    title: impl Fn() -> Option<String> + 'static,
+) -> Resource<Option<String>, ArticleView> {
+    create_resource(title, move |title| async move {
+        let title = title.unwrap_or("Main_Page".to_string());
+        GlobalState::api_client()
+            .get_article(GetArticleData {
+                title: Some(title),
+                instance_id: None,
+                id: None,
+            })
+            .await
+            .unwrap()
+    })
 }