Refactor and simplify server code, UI updates requested in #5 and #6

Cargo.lock

@@ -353,6 +353,7 @@ name = "cup"
 version = "1.1.3"
 dependencies = [
  "bollard",
+ "chrono",
  "clap",
  "http-auth",
  "indicatif",

Cargo.toml

@@ -17,6 +17,7 @@ once_cell = "1.19.0"
 http-auth = { version = "0.1.9", features = [] }
 termsize = { version = "0.1.8", optional = true }
 regex = "1.10.5"
+chrono = { version = "0.4.38", default-features = false, features = ["std", "alloc", "clock"] }
 
 [features]
 default = ["server", "cli"]

src/main.rs

@@ -95,8 +95,7 @@ async fn main() {
         },
         #[cfg(feature = "server")]
         Some(Commands::Serve { port }) => {
-            let updates = get_all_updates(cli.socket).await;
-            let _ = serve(port, &updates).await;
+            let _ = serve(port, cli.socket).await;
         }
         None => (),
     }

src/server.rs

@@ -1,27 +1,33 @@
-use std::sync::Mutex;
+use std::sync::{Arc, Mutex};
 
+use chrono::Local;
 use liquid::{object, Object};
 use rayon::iter::{IntoParallelRefIterator, ParallelIterator};
 use xitca_web::{
     body::ResponseBody,
-    handler::{handler_service, state::StateOwn},
+    handler::{handler_service, state::StateRef},
     http::WebResponse,
+    middleware::Logger,
     route::get,
     App,
-    middleware::Logger
 };
 
+use crate::{get_all_updates, utils::sort_update_vec};
+
 const RAW_TEMPLATE: &str = include_str!("static/template.liquid");
 const STYLE: &str = include_str!("static/index.css");
 const FAVICON_ICO: &[u8] = include_bytes!("static/favicon.ico");
 const FAVICON_SVG: &[u8] = include_bytes!("static/favicon.svg");
 const APPLE_TOUCH_ICON: &[u8] = include_bytes!("static/apple-touch-icon.png");
 
-pub async fn serve(port: &u16, updates: &[(String, Option<bool>)]) -> std::io::Result<()> {
+pub async fn serve(port: &u16, socket: Option<String>) -> std::io::Result<()> {
+    let mut data = UpdateData::new(socket).await;
+    data.refresh().await;
     App::new()
-        .with_state(updates.to_owned())
+        .with_state(Arc::new(Mutex::new(data)))
         .at("/", get(handler_service(home)))
         .at("/json", get(handler_service(json)))
+        .at("/refresh", get(handler_service(refresh)))
         .at("/favicon.ico", handler_service(favicon_ico)) // These aren't pretty but this is xitca-web...
         .at("/favicon.svg", handler_service(favicon_svg))
         .at("/apple-touch-icon.png", handler_service(apple_touch_icon))
@@ -32,62 +38,17 @@ pub async fn serve(port: &u16, updates: &[(String, Option<bool>)]) -> std::io::R
         .wait()
 }
 
-async fn home(
-    updates: StateOwn<Vec<(String, Option<bool>)>>,
-) -> WebResponse {
-    let template = liquid::ParserBuilder::with_stdlib()
-        .build()
-        .unwrap()
-        .parse(RAW_TEMPLATE)
-        .unwrap();
-    let images = updates
-        .0
-        .par_iter()
-        .map(|(name, image)| match image {
-            Some(value) => {
-                if *value {
-                    object!({"name": name, "status": "update-available"})
-                } else {
-                    object!({"name": name, "status": "up-to-date"})
-                }
-            }
-            None => object!({"name": name, "status": "unknown"}),
-        })
-        .collect::<Vec<Object>>();
-    let uptodate = images
-        .par_iter()
-        .filter(|&o| o["status"] == "up-to-date")
-        .collect::<Vec<&Object>>()
-        .len();
-    let updatable = images
-        .par_iter()
-        .filter(|&o| o["status"] == "update-available")
-        .collect::<Vec<&Object>>()
-        .len();
-    let unknown = images
-        .par_iter()
-        .filter(|&o| o["status"] == "unknown")
-        .collect::<Vec<&Object>>()
-        .len();
-    let globals = object!({
-        "metrics": [{"name": "Monitored images", "value": images.len()}, {"name": "Up to date", "value": uptodate}, {"name": "Updates available", "value": updatable}, {"name": "Unknown", "value": unknown}],
-        "images": images,
-        "style": STYLE
-    });
-    let result = template.render(&globals).unwrap();
-    WebResponse::new(ResponseBody::from(result))
+async fn home(data: StateRef<'_, Arc<Mutex<UpdateData>>>) -> WebResponse {
+    WebResponse::new(ResponseBody::from(data.lock().unwrap().template.clone()))
 }
 
-async fn json(
-    updates: StateOwn<Vec<(String, Option<bool>)>>
-) -> WebResponse {
-    let result_mutex: Mutex<json::object::Object> = Mutex::new(json::object::Object::new());
-    updates.par_iter().for_each(|image| match image.1 {
-        Some(b) => result_mutex.lock().unwrap().insert(&image.0, json::from(b)),
-        None => result_mutex.lock().unwrap().insert(&image.0, json::Null),
-    });
-    let result = json::stringify(result_mutex.lock().unwrap().clone());
-    WebResponse::new(ResponseBody::from(result))
+async fn json(data: StateRef<'_, Arc<Mutex<UpdateData>>>) -> WebResponse {
+    WebResponse::new(ResponseBody::from(data.lock().unwrap().json.clone()))
+}
+
+async fn refresh(data: StateRef<'_, Arc<Mutex<UpdateData>>>) -> WebResponse {
+    data.lock().unwrap().refresh().await;
+    return WebResponse::new(ResponseBody::from("OK"));
 }
 
 async fn favicon_ico() -> WebResponse {
@@ -100,4 +61,74 @@ async fn favicon_svg() -> WebResponse {
 
 async fn apple_touch_icon() -> WebResponse {
     WebResponse::new(ResponseBody::from(APPLE_TOUCH_ICON))
-}
+}
+
+struct UpdateData {
+    template: String,
+    raw: Vec<(String, Option<bool>)>,
+    json: String,
+    socket: Option<String>,
+}
+
+impl UpdateData {
+    async fn new(socket: Option<String>) -> Self {
+        return Self {
+            socket,
+            template: String::new(),
+            json: String::new(),
+            raw: Vec::new(),
+        };
+    }
+    async fn refresh(self: &mut Self) {
+        let updates = sort_update_vec(&get_all_updates(self.socket.clone()).await);
+        self.raw = updates;
+        let template = liquid::ParserBuilder::with_stdlib()
+            .build()
+            .unwrap()
+            .parse(RAW_TEMPLATE)
+            .unwrap();
+        let images = self
+            .raw
+            .iter()
+            .map(|(name, image)| match image {
+                Some(value) => {
+                    if *value {
+                        object!({"name": name, "status": "update-available"})
+                    } else {
+                        object!({"name": name, "status": "up-to-date"})
+                    }
+                }
+                None => object!({"name": name, "status": "unknown"}),
+            })
+            .collect::<Vec<Object>>();
+        let uptodate = images
+            .par_iter()
+            .filter(|&o| o["status"] == "up-to-date")
+            .collect::<Vec<&Object>>()
+            .len();
+        let updatable = images
+            .par_iter()
+            .filter(|&o| o["status"] == "update-available")
+            .collect::<Vec<&Object>>()
+            .len();
+        let unknown = images
+            .par_iter()
+            .filter(|&o| o["status"] == "unknown")
+            .collect::<Vec<&Object>>()
+            .len();
+        let last_updated = Local::now().format("%Y-%m-%d %H:%M:%S");
+        let globals = object!({
+            "metrics": [{"name": "Monitored images", "value": images.len()}, {"name": "Up to date", "value": uptodate}, {"name": "Updates available", "value": updatable}, {"name": "Unknown", "value": unknown}],
+            "images": images,
+            "style": STYLE,
+            "last_updated": last_updated.to_string()
+        });
+        self.template = template.render(&globals).unwrap();
+        let json_data: Mutex<json::object::Object> = Mutex::new(json::object::Object::new());
+        self.raw.par_iter().for_each(|image| match image.1 {
+            Some(b) => json_data.lock().unwrap().insert(&image.0, json::from(b)),
+            None => json_data.lock().unwrap().insert(&image.0, json::Null),
+        });
+        self.json = json::stringify(json_data.lock().unwrap().clone());
+    }
+}

src/static/template.liquid

@@ -6,7 +6,7 @@
     <link rel="icon" type="image/svg+xml" href="favicon.svg">
     <link rel="icon" type="image/x-icon" href="favicon.ico">
     <link rel="apple-touch-icon" href="apple-touch-icon.png">
-    <meta name="viewport" content="width=device-width,initial-scale=1.0"  />
+    <meta name="viewport" content="width=device-width,initial-scale=1.0">
     <style>
       {{ style }}
     </style>
@@ -70,13 +70,28 @@
         }
       }
     </style>
+    <script>
+      function refresh(event) {
+        var button = event.currentTarget;
+        button.disabled = true;
+
+        let request = new XMLHttpRequest()
+        request.onload = function () {
+          if (request.status === 200) {
+            window.location.reload();
+          }
+        };
+        request.open("GET", `${window.location.origin}/refresh`);
+        request.send();
+      }
+    </script>
   </head>
   <body>
     <div class="flex justify-center items-center min-h-screen bg-gray-50 dark:bg-gray-950">
       <div class="lg:px-8 sm:px-6 px-4 max-w-[80rem] mx-auto h-full w-full">
         <div class="max-w-[48rem] mx-auto h-full my-8">
           <div class="flex items-center gap-1">
-            <h1 class="text-6xl font-bold dark:text-white">Cup</h1>
+            <h1 class="text-5xl lg:text-6xl font-bold dark:text-white">Cup</h1>
             <svg
               version="1.1"
               id="Layer_2"
@@ -120,7 +135,57 @@
               {% for metric in metrics %}
                 <div class="gi">
                   <div class="xl:px-8 px-6 py-4 gap-y-2 gap-x-4 justify-between align-baseline flex flex-col h-full">
-                    <dt class="text-gray-500 dark:text-gray-400 leading-6 font-medium">{{ metric.name }}</dt>
+                    <dt class="text-gray-500 dark:text-gray-400 leading-6 font-medium flex gap-1 justify-between">
+                      {{ metric.name }}
+                      {% if metric.name == 'Monitored images' %}
+                        <svg
+                          xmlns="http://www.w3.org/2000/svg"
+                          width="24"
+                          height="24"
+                          viewBox="0 0 24 24"
+                          fill="currentColor"
+                          class="size-6 text-black dark:text-white shrink-0"
+                        >
+                          <path stroke="none" d="M0 0h24v24H0z" fill="none"/><path d="M12 4c4.29 0 7.863 2.429 10.665 7.154l.22 .379l.045 .1l.03 .083l.014 .055l.014 .082l.011 .1v.11l-.014 .111a.992 .992 0 0 1 -.026 .11l-.039 .108l-.036 .075l-.016 .03c-2.764 4.836 -6.3 7.38 -10.555 7.499l-.313 .004c-4.396 0 -8.037 -2.549 -10.868 -7.504a1 1 0 0 1 0 -.992c2.831 -4.955 6.472 -7.504 10.868 -7.504zm0 5a3 3 0 1 0 0 6a3 3 0 0 0 0 -6z" />
+                        </svg>
+                      {% elsif metric.name == 'Up to date' %}
+                        <svg
+                          xmlns="http://www.w3.org/2000/svg"
+                          width="24"
+                          height="24"
+                          viewBox="0 0 24 24"
+                          fill="currentColor"
+                          class="size-6 text-green-500 shrink-0"
+                        >
+                          <path stroke="none" d="M0 0h24v24H0z" fill="none" />
+                          <path d="M17 3.34a10 10 0 1 1 -14.995 8.984l-.005 -.324l.005 -.324a10 10 0 0 1 14.995 -8.336zm-1.293 5.953a1 1 0 0 0 -1.32 -.083l-.094 .083l-3.293 3.292l-1.293 -1.292l-.094 -.083a1 1 0 0 0 -1.403 1.403l.083 .094l2 2l.094 .083a1 1 0 0 0 1.226 0l.094 -.083l4 -4l.083 -.094a1 1 0 0 0 -.083 -1.32z" />
+                        </svg>
+                      {% elsif metric.name == 'Updates available' %}
+                        <svg
+                          xmlns="http://www.w3.org/2000/svg"
+                          width="24"
+                          height="24"
+                          viewBox="0 0 24 24"
+                          fill="currentColor"
+                          class="size-6 text-blue-500 shrink-0"
+                        >
+                          <path stroke="none" d="M0 0h24v24H0z" fill="none" />
+                          <path d="M17 3.34a10 10 0 1 1 -14.995 8.984l-.005 -.324l.005 -.324a10 10 0 0 1 14.995 -8.336zm-4.98 3.66l-.163 .01l-.086 .016l-.142 .045l-.113 .054l-.07 .043l-.095 .071l-.058 .054l-4 4l-.083 .094a1 1 0 0 0 1.497 1.32l2.293 -2.293v5.586l.007 .117a1 1 0 0 0 1.993 -.117v-5.585l2.293 2.292l.094 .083a1 1 0 0 0 1.32 -1.497l-4 -4l-.082 -.073l-.089 -.064l-.113 -.062l-.081 -.034l-.113 -.034l-.112 -.02l-.098 -.006z" />
+                        </svg>
+                      {% elsif metric.name == 'Unknown' %}
+                        <svg
+                          xmlns="http://www.w3.org/2000/svg"
+                          width="24"
+                          height="24"
+                          viewBox="0 0 24 24"
+                          fill="currentColor"
+                          class="size-6 text-gray-500 shrink-0"
+                        >
+                          <path stroke="none" d="M0 0h24v24H0z" fill="none" />
+                          <path d="M12 2c5.523 0 10 4.477 10 10a10 10 0 0 1 -19.995 .324l-.005 -.324l.004 -.28c.148 -5.393 4.566 -9.72 9.996 -9.72zm0 13a1 1 0 0 0 -.993 .883l-.007 .117l.007 .127a1 1 0 0 0 1.986 0l.007 -.117l-.007 -.127a1 1 0 0 0 -.993 -.883zm1.368 -6.673a2.98 2.98 0 0 0 -3.631 .728a1 1 0 0 0 1.44 1.383l.171 -.18a.98 .98 0 0 1 1.11 -.15a1 1 0 0 1 -.34 1.886l-.232 .012a1 1 0 0 0 .111 1.994a3 3 0 0 0 1.371 -5.673z" />
+                        </svg>
+                      {% endif %}
+                    </dt>
                     <dd class="text-black dark:text-white tracking-tight leading-10 font-medium text-3xl flex-none w-full">
                       {{ metric.value }}
                     </dd>
@@ -130,6 +195,25 @@
             </dl>
           </div>
           <div class="shadow-sm bg-white dark:bg-gray-900 rounded-md my-8">
+            <div class="flex justify-between items-center px-6 py-4 text-gray-500">
+              <h3>Last checked: {{ last_updated }}</h3>
+              <button class="group" onclick="refresh(event)">
+                <svg
+                  xmlns="http://www.w3.org/2000/svg"
+                  width="24"
+                  height="24"
+                  viewBox="0 0 24 24"
+                  fill="none"
+                  stroke="currentColor"
+                  stroke-width="2"
+                  stroke-linecap="round"
+                  stroke-linejoin="round"
+                  class="group-disabled:animate-spin"
+                >
+                  <path stroke="none" d="M0 0h24v24H0z" fill="none"/><path d="M4,11A8.1,8.1 0 0 1 19.5,9M20,5v4h-4" /><path d="M20,13A8.1,8.1 0 0 1 4.5,15M4,19v-4h4" />
+                </svg>
+              </button>
+            </div>
             <ul class="*:py-4 *:px-6 *:flex *:items-center *:gap-3 dark:divide-gray-800 divide-y dark:text-white">
               {% for image in images %}
                 <li>

src/utils.rs

@@ -1,6 +1,7 @@
-use regex::Regex;
 use once_cell::sync::Lazy;
+use regex::Regex;
 
+/// This macro is an alternative to panic. It prints the message you give it and exits the process with code 1, without printing a stack trace. Useful for when the program has to exit due to a user error or something unexpected which is unrelated to the program (e.g. a failed web request)
 #[macro_export]
 macro_rules! error {
     ($($arg:tt)*) => ({
@@ -9,7 +10,7 @@ macro_rules! error {
     })
 }
 
-// Takes an image and splits it into registry, repository and tag. For example ghcr.io/sergi0g/cup:latest becomes ['ghcr.io', 'sergi0g/cup', 'latest'].
+/// Takes an image and splits it into registry, repository and tag. For example ghcr.io/sergi0g/cup:latest becomes ['ghcr.io', 'sergi0g/cup', 'latest'].
 pub fn split_image(image: &str) -> (String, String, String) {
     static RE: Lazy<Regex> = Lazy::new(|| {
         Regex::new(
@@ -45,26 +46,39 @@ pub fn split_image(image: &str) -> (String, String, String) {
     }
 }
 
+/// Given an image's parts which were previously created by split_image, recreate a reference that docker would use. This means removing the registry part, if it's Docker Hub and removing "library" if the image is official
 pub fn unsplit_image(registry: &str, repository: &str, tag: &str) -> String {
     let reg = match registry {
         "registry-1.docker.io" => String::new(),
         r => format!("{}/", r),
     };
     let repo = match repository.split('/').collect::<Vec<&str>>()[0] {
-        "library" => repository.strip_prefix("library/").unwrap(),
+        "library" => {
+            if reg.is_empty() {
+                repository.strip_prefix("library/").unwrap()
+            } else {
+                repository
+            }
+        }
         _ => repository,
     };
     format!("{}{}:{}", reg, repo, tag)
 }
 
-#[cfg(feature = "cli")]
+/// Sorts the update vector alphabetically and where Some(true) > Some(false) > None
 pub fn sort_update_vec(updates: &[(String, Option<bool>)]) -> Vec<(String, Option<bool>)> {
     let mut sorted_updates = updates.to_vec();
     sorted_updates.sort_unstable_by(|a, b| match (a.1, b.1) {
-        (Some(a), Some(b)) => (!a).cmp(&!b),
+        (Some(c), Some(d)) => {
+            if c == d {
+                a.0.cmp(&b.0)
+            } else {
+                (!c).cmp(&!d)
+            }
+        }
         (Some(_), None) => std::cmp::Ordering::Less,
         (None, Some(_)) => std::cmp::Ordering::Greater,
-        (None, None) => std::cmp::Ordering::Equal,
+        (None, None) => a.0.cmp(&b.0),
     });
     sorted_updates.to_vec()
 }