From 58fd28f1a3afbff2c6b978efd3e351d4535ba51c Mon Sep 17 00:00:00 2001
From: msyfls123 <msyfls123@gmail.com>
Date: Wed, 24 Apr 2024 22:36:11 +0800
Subject: [PATCH] feat: preview file link in upload result

---
 client/src/component/uploader.rs | 67 ++++++++++++++++++++++----------
 client/src/container/home.rs     |  1 -
 client/src/css/index.styl        | 15 ++++++-
 server/templates/index.html.hbs  |  1 +
 4 files changed, 61 insertions(+), 23 deletions(-)

diff --git a/client/src/component/uploader.rs b/client/src/component/uploader.rs
index cc098c7..e535f4c 100644
--- a/client/src/component/uploader.rs
+++ b/client/src/component/uploader.rs
@@ -2,7 +2,7 @@ use serde_wasm_bindgen::from_value;
 use wasm_bindgen_futures::{spawn_local, JsFuture};
 use web_sys::{console, Event, HtmlInputElement};
 use wasm_bindgen::{closure::Closure, JsCast, JsValue};
-use yew::{ html, prelude::function_component, use_callback, use_context, use_memo, use_state, Callback, Html, Properties};
+use yew::{ html, prelude::function_component, use_callback, use_context, use_memo, use_state, Callback, Html, Properties, UseStateHandle};
 use js_sys::{Promise, JSON::stringify_with_replacer_and_space};
 use serde_json::{Value};
 use serde::{Deserialize};
@@ -15,6 +15,11 @@ pub struct Progress {
     total: Value
 }
 
+#[derive(Deserialize, PartialEq, Clone)]
+pub struct UploadResult {
+    Location: Value,
+}
+
 #[derive(Properties, PartialEq)]
 pub struct UploaderProps {
     pub on_upload_start: Callback<()>,
@@ -27,9 +32,11 @@ pub fn uploader(props: &UploaderProps) -> Html {
     let app_ctx = use_context::<AppContext>().expect("no ctx found");
     let cos_upload = app_ctx.upload_file;
     // state
-    let upload_result = use_state(|| None);
+    let upload_result: UseStateHandle<Option<JsValue>> = use_state(|| None);
     let is_uploading = use_state(|| false);
+    let filename = use_state(|| None);
     let progress = use_state(|| 0f64);
+    // computed
     let percentage = use_memo(progress.clone(), |progress| {
         let progress = *progress.clone();
         format!("{:.1}%", progress * 100.0f64)
@@ -38,12 +45,26 @@ pub fn uploader(props: &UploaderProps) -> Html {
         let progress = *progress.clone();
         format!("--percentage: {:.1};", progress * 100.0f64)
     });
+    let location = use_memo(upload_result.clone(), |res| {
+        match res.as_ref() {
+            Some(v) => {
+                let parsed: UploadResult = from_value(v.to_owned()).unwrap();
+                "https://".to_string() + parsed.Location.as_str().unwrap_or_default()
+            },
+            None => "".to_string()
+        }
+    });
     // callbacks
     let upload_start = use_callback(
-        (props.on_upload_start.clone(), is_uploading.clone()),
-        move |_, (on_start, uploading)| {
+        (props.on_upload_start.clone(), is_uploading.clone(), filename.clone()),
+        move |e: Event, (on_start, uploading, filename)| {
             on_start.emit(());
             uploading.set(true);
+
+            let target = e.target().unwrap();
+            let input_el: HtmlInputElement = target.dyn_into().unwrap();
+            let option_file = input_el.files().unwrap().item(0);
+            filename.set(option_file.map(|file| file.name()));
         }
     );
     let upload_end = use_callback(
@@ -57,7 +78,7 @@ pub fn uploader(props: &UploaderProps) -> Html {
     let on_upload = use_callback(
         (upload_end.clone(), progress.clone()),
         move |e: Event, (upload_cb, progress_state)| {
-            upload_start.emit(());
+            upload_start.emit(e.clone());
 
             let progress_state = progress_state.clone();
             let closure = Closure::wrap(Box::new(move |payload: JsValue| {
@@ -99,13 +120,17 @@ pub fn uploader(props: &UploaderProps) -> Html {
 
     html! {
         <div class="upload-item">
-            
-            
-            {if let Some(data) = upload_result.as_ref() {
-                let upload_text = stringify_with_replacer_and_space(&data, &JsValue::NULL, &JsValue::from_f64(4.0)).unwrap();
-                html! { <div>
-                    { "Upload success" }
-                    <pre>{upload_text.as_string().unwrap_or_default()}</pre>
+            {if let Some(_) = upload_result.as_ref() {
+                // let upload_text = stringify_with_replacer_and_space(&data, &JsValue::NULL, &JsValue::from_f64(4.0)).unwrap();
+                html! { <div class="file-link">
+                    <i class="icon-success fa-solid fa-check"></i>
+                    <a target="_blank" href={<std::string::String as Clone>::clone(&location)}>
+                        {if let Some(name) = filename.as_ref() {
+                            html!{ <span> {{ name }} </span> }
+                        } else {
+                            html!{ <span> {"[Untitled]"} </span> }
+                        }}
+                    </a>
                 </div> }
             } else if *is_uploading {
                 html! {
@@ -136,14 +161,16 @@ pub fn uploader(props: &UploaderProps) -> Html {
                 }
             } else {
                 html! {
-                    <input type="file" onchange={move |e: Event| {
-                        let target = e.target().unwrap();
-                        let input_el: HtmlInputElement = target.dyn_into().unwrap();
-                        let option_file = input_el.files().unwrap().item(0);
-                        if let Some(file) = option_file {
-                            on_upload.emit(e)
-                        }
-                    }} />
+                    <div class="upload-input">
+                        <input type="file" onchange={move |e: Event| {
+                            let target = e.target().unwrap();
+                            let input_el: HtmlInputElement = target.dyn_into().unwrap();
+                            let option_file = input_el.files().unwrap().item(0);
+                            if let Some(file) = option_file {
+                                on_upload.emit(e)
+                            }
+                        }} />
+                    </div>
                 }
             }}
         </div>
diff --git a/client/src/container/home.rs b/client/src/container/home.rs
index c38dedc..161e0ca 100644
--- a/client/src/container/home.rs
+++ b/client/src/container/home.rs
@@ -80,7 +80,6 @@ impl Component for HomeInner {
               <h2>{"Upload"}</h2>
               { list.into_iter().map(|i| html! {
                 <div key={i.clone()}>
-                    {i.clone()}
                     <Uploader
                         on_upload_start={upload_start.clone()}
                         on_upload_end={upload_end.clone()}
diff --git a/client/src/css/index.styl b/client/src/css/index.styl
index 0db8d33..a0ddd16 100644
--- a/client/src/css/index.styl
+++ b/client/src/css/index.styl
@@ -1,4 +1,6 @@
-
+:root
+  --success: #30C157
+  --blue: #0067e5
 nav
   a
     margin: 20px
@@ -26,7 +28,7 @@ body
     max-width: 290px
     word-break: break-all
     a
-      color: #0067e5
+      color: var(--blue)
       text-decoration: none
       &:hover
         text-decoration: underline
@@ -37,6 +39,7 @@ body
 .upload-item
   margin: 10px 0
   padding: 10px
+  max-width: 250px
   border-width: thin
   border-style: dashed
   border-color: var(--grey-2_5, rgba(20,30,41,0.12))
@@ -82,3 +85,11 @@ body
       stroke-dasharray: var(--circle)
       stroke-dashoffset: calc(var(--circle) * (100 - var(--percentage)) / 100)
       transition: all 0.5s ease-in-out
+  .file-link
+    display: flex
+    align-items: center
+    a, a:visited, a:active
+      color: var(--blue)
+  .icon-success
+    margin-right: 10px
+    color: var(--success)
diff --git a/server/templates/index.html.hbs b/server/templates/index.html.hbs
index c7b146d..cb0e6a9 100644
--- a/server/templates/index.html.hbs
+++ b/server/templates/index.html.hbs
@@ -5,6 +5,7 @@
   <meta http-equiv="X-UA-Compatible" content="IE=edge">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>Bard</title>
+  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.2/css/all.min.css" integrity="sha512-SnH5WK+bZxgPHs44uWIX+LLJAJ9/2PkPKZ5QiAj6Ta86w+fsb2TkcmfRyVX3pBnMFcV7oQPJkl9QevSCWr3W6A==" crossorigin="anonymous" referrerpolicy="no-referrer" />
 </head>
 <body>
   <h1>hello {{ name }}</h1>