Initial implementation of avatar component

app/src/components/app.rs

@@ -1,5 +1,6 @@
 use crate::{
     components::{
+        avatar::Avatar,
         change_password::ChangePasswordForm,
         create_group::CreateGroupForm,
         create_user::CreateUserForm,
@@ -87,6 +88,7 @@ impl Component for App {
             self.route_dispatcher
                 .send(RouteRequest::ReplaceRoute(Route::from(AppRoute::Login)));
         }
+        ConsoleService::log("update app");
         true
     }
 
@@ -247,15 +249,13 @@ impl App {
                     id="dropdownUser"
                     data-bs-toggle="dropdown"
                     aria-expanded="false">
-                    <svg xmlns="http://www.w3.org/2000/svg"
-                      width="32"
-                      height="32"
-                      fill="currentColor"
-                      class="bi bi-person-circle"
-                      viewBox="0 0 16 16">
-                      <path d="M11 6a3 3 0 1 1-6 0 3 3 0 0 1 6 0z"/>
-                      <path fill-rule="evenodd" d="M0 8a8 8 0 1 1 16 0A8 8 0 0 1 0 8zm8-7a7 7 0 0 0-5.468 11.37C3.242 11.226 4.805 10 8 10s4.757 1.225 5.468 2.37A7 7 0 0 0 8 1z"/>
-                    </svg>
+                    {
+                      if let Some((user_id, _)) = &self.user_info {
+                        html! {
+                          <Avatar username=user_id.clone() width=32 height=32 />
+                        }
+                      } else { html!{} }
+                    }
                     {
                       if let Some((user_id, _)) = &self.user_info {
                         html! {

app/src/components/avatar.rs

@@ -0,0 +1,117 @@
+use crate::infra::common_component::{CommonComponent, CommonComponentParts};
+use anyhow::{bail, Result};
+use graphql_client::GraphQLQuery;
+use yew::prelude::*;
+
+#[derive(GraphQLQuery)]
+#[graphql(
+    schema_path = "../schema.graphql",
+    query_path = "queries/get_user_details.graphql",
+    response_derives = "Debug, Hash, PartialEq, Eq, Clone",
+    custom_scalars_module = "crate::infra::graphql"
+)]
+pub struct GetUserDetails;
+
+pub type User = get_user_details::GetUserDetailsUser;
+pub type Group = get_user_details::GetUserDetailsUserGroups;
+
+pub struct Avatar {
+    common: CommonComponentParts<Self>,
+    /// The user info. If none, the error is in `error`. If `error` is None, then we haven't
+    /// received the server response yet.
+    avatar: Option<String>,
+}
+
+/// State machine describing the possible transitions of the component state.
+/// It starts out by fetching the user's details from the backend when loading.
+pub enum Msg {
+    /// Received the user details response, either the user data or an error.
+    UserDetailsResponse(Result<get_user_details::ResponseData>),
+    Update
+}
+
+#[derive(yew::Properties, Clone, PartialEq, Eq)]
+pub struct Props {
+    pub username: String,
+    pub width: i32,
+    pub height: i32,
+}
+
+impl CommonComponent<Avatar> for Avatar {
+    fn handle_msg(&mut self, msg: <Self as Component>::Message) -> Result<bool> {
+        match msg {
+            Msg::UserDetailsResponse(response) => match response {
+                Ok(user) => self.avatar = user.user.avatar,
+                Err(e) => {
+                    self.avatar = None;
+                    bail!("Error getting user details: {}", e);
+                }
+            },
+            Msg::Update => self.get_user_details(),
+        }
+        Ok(true)
+    }
+
+    fn mut_common(&mut self) -> &mut CommonComponentParts<Self> {
+        &mut self.common
+    }
+}
+
+impl Avatar {
+    fn get_user_details(&mut self) {
+        if self.common.username.len() > 0 {
+            self.common.call_graphql::<GetUserDetails, _>(
+                get_user_details::Variables {
+                    id: self.common.username.clone(),
+                },
+                Msg::UserDetailsResponse,
+                "Error trying to fetch user details",
+            )
+        }
+    }
+}
+
+impl Component for Avatar {
+    type Message = Msg;
+    type Properties = Props;
+
+    fn create(props: Self::Properties, link: ComponentLink<Self>) -> Self {
+        let mut avatar = Self {
+            common: CommonComponentParts::<Self>::create(props, link),
+            avatar: None,
+        };
+        avatar.get_user_details();
+        avatar
+    }
+
+    fn update(&mut self, msg: Self::Message) -> ShouldRender {
+        CommonComponentParts::<Self>::update(self, msg)
+    }
+
+    fn change(&mut self, props: Self::Properties) -> ShouldRender {
+        self.common.change(props)
+    }
+
+    fn view(&self) -> Html {
+        match &self.avatar {
+            Some(avatar) => html! {
+                <img
+                        id="avatarDisplay"
+                        src={format!("data:image/jpeg;base64, {}", avatar)}
+                        style={format!("max-height:{}px;max-width:{}px;height:auto;width:auto;", self.common.props.height,self.common.props.width)}
+                        alt="Avatar" />
+            },
+            None => html! {
+                <svg xmlns="http://www.w3.org/2000/svg"
+                      width={self.common.props.width.to_string()}
+                      height={self.common.props.height.to_string()}
+                      fill="currentColor"
+                      class="bi bi-person-circle"
+                      viewBox="0 0 16 16">
+                      <path d="M11 6a3 3 0 1 1-6 0 3 3 0 0 1 6 0z"/>
+                      <path fill-rule="evenodd" d="M0 8a8 8 0 1 1 16 0A8 8 0 0 1 0 8zm8-7a7 7 0 0 0-5.468 11.37C3.242 11.226 4.805 10 8 10s4.757 1.225 5.468 2.37A7 7 0 0 0 8 1z"/>
+                    </svg>
+            },
+        }
+    }
+}

app/src/components/mod.rs

@@ -1,6 +1,7 @@
 pub mod add_group_member;
 pub mod add_user_to_group;
 pub mod app;
+pub mod avatar;
 pub mod change_password;
 pub mod create_group;
 pub mod create_user;