View still active tickets

frontend/src/pages/utilities.rs

@@ -0,0 +1,112 @@
+use gloo_net::http::Request;
+use wasm_bindgen_futures::spawn_local;
+use yew::prelude::*;
+use yew_router::prelude::*;
+
+use crate::pages::ticket::{ActiveUser, Ticket};
+
+#[component(Diagnostics)]
+pub fn diagnostics_component() -> Html {
+    html! {
+        <div>
+            <TicketCount/>
+        </div>
+    }
+}
+
+#[component(TicketCount)]
+pub fn ticket_count_component() -> Html {
+    let tickets = use_state(|| Vec::<Ticket>::new());
+    let error = use_state(|| None::<String>);
+    let loading = use_state(|| false);
+    let user = use_state(|| ActiveUser {
+        id: None,
+        is_admin: false,
+    });
+
+    {
+        let tickets = tickets.clone();
+        let error = error.clone();
+        let loading = loading.clone();
+
+        use_effect_with((), move |_| {
+            loading.set(true);
+            spawn_local(async move {
+                let url = format!("/api/tickets");
+                match Request::get(&url).send().await {
+                    Ok(response) if response.status() == 200 => {
+                        match response.json::<Vec<Ticket>>().await {
+                            Ok(t) => tickets.set(t),
+                            Err(e) => error.set(Some(format!("parse error: {}", e))),
+                        }
+                    }
+                    Ok(response) => {
+                        if let Ok(text) = response.text().await {
+                            error.set(Some(text));
+                        } else {
+                            error.set(Some(format!("status {}", response.status())));
+                        }
+                    }
+                    Err(err) => error.set(Some(format!("Network error: {}", err))),
+                }
+                loading.set(false);
+            });
+            || ()
+        });
+    }
+
+    {
+        let user = user.clone();
+        use_effect_with((), move |_| {
+            let user = user.clone();
+            spawn_local(async move {
+                if let Ok(response) = Request::get("/api/users/current")
+                    .credentials(web_sys::RequestCredentials::Include)
+                    .send()
+                    .await
+                {
+                    if response.status() == 200 {
+                        if let Ok(json) = response.json::<serde_json::Value>().await {
+                            let id = json
+                                .get("data")
+                                .and_then(|d| d.get("id"))
+                                .and_then(|v| v.as_i64())
+                                .and_then(|n| i16::try_from(n).ok());
+                            let is_admin = json
+                                .get("data")
+                                .and_then(|d| d.get("is_admin"))
+                                .and_then(|v| v.as_bool())
+                                .unwrap_or(false);
+                            user.set(ActiveUser { id, is_admin });
+                        }
+                    }
+                }
+            });
+            || ()
+        });
+    }
+
+    if *loading {
+        html! {<p>{ "Loading" }</p>}
+    } else if let Some(e) = &*error {
+        html! { <p>{ format!("Error: {}", e) }</p> }
+    } else {
+        let status_conditions = |t: &Ticket| t.status == "ToDo" || t.status == "InProgress";
+        let count = tickets
+            .iter()
+            .filter(|t| {
+                status_conditions(t)
+                    && (user.is_admin || user.id.map_or(false, |uid| t.user_id == uid))
+            })
+            .count();
+        html! {
+            <div>
+                <h2>{ "Offene Tickets" }</h2>
+                <h4>{ count }</h4>
+            </div>
+        }
+    }
+}
+
+// #[component(SubmitStats)]
+// pub fn submit_stats_component() -> Html {}