From 10eb0e8cff7f0bc6b61a77a179fec55ee1dfe929 Mon Sep 17 00:00:00 2001
From: jelemux <jeremias.weber@protonmail.com>
Date: Wed, 21 Oct 2020 22:01:59 +0200
Subject: basic prototype with vcard and pdf generation

---
 src/view.rs | 110 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 103 insertions(+), 7 deletions(-)

(limited to 'src/view.rs')

diff --git a/src/view.rs b/src/view.rs
index 38cfa58..6953496 100644
--- a/src/view.rs
+++ b/src/view.rs
@@ -1,21 +1,49 @@
+extern crate console_error_panic_hook;
 use crate::pdfgen;
 use wasm_bindgen::prelude::*;
 use js_sys;
 use yew::prelude::*;
+use vcard::{VCard, VCardError};
+use std::panic;
 
-struct Form {
+fn init() {
+    panic::set_hook(Box::new(console_error_panic_hook::hook));
+}
+
+pub struct Form {
+    link: ComponentLink<Self>,
+    error: Option<String>,
+    formatted_name: String,
+    generated_vcard: Option<String>,
+}
+
+pub enum Msg {
+    UpdateFormattedName(String),
+    GenerateVCard,
+    Nope,
 }
 
 impl Component for Form {
-    type Message = ();
+    type Message = Msg;
     type Properties = ();
 
-    fn create(_props: Self::Properties, _link: ComponentLink<Self>) -> Self {
-        Self { }
+    fn create(_props: Self::Properties, link: ComponentLink<Self>) -> Self {
+        Self { link, error: None, formatted_name: String::new(), generated_vcard: None }
     }
 
-    fn update(&mut self, _msg: Self::Message) -> ShouldRender {
-        false
+    fn update(&mut self, msg: Self::Message) -> ShouldRender {
+        match msg {
+            Msg::UpdateFormattedName(value) => self.formatted_name = String::from(value),
+            Msg::GenerateVCard => {
+                match self.generate_vcard() {
+                    Ok(vcard) => self.generated_vcard = Some(vcard.to_string()),
+                    Err(VCardError::FormatError(err)) => self.error = Some(err.to_string()),
+                    Err(VCardError::EmptyFormatName) => self.error = Some(String::from("A VCard should have at least one formatted name.")),
+                };
+            }
+            Msg::Nope => (),
+        };
+        true
     }
 
     fn change(&mut self, _props: Self::Properties) -> ShouldRender {
@@ -23,19 +51,87 @@ impl Component for Form {
     }
 
     fn view(&self) -> Html {
+
+        let raw = pdfgen::genpdf();
+        let data = base64::encode(&raw);
+        let uri_component: String = js_sys::encode_uri_component(&data).into();
+        let href = format!{"data:application/pdf;base64,{}", uri_component };
+
+        let formatted_name_input = self.link.callback(|e: ChangeData| 
+            match e {
+                ChangeData::Value(v) => Msg::UpdateFormattedName(v),
+                _ => Msg::Nope,
+            }
+        );
+
+        html!{
+            <div id="form" >
+                { self.render_error() }
+                <label for="formatted_name">{ "Formatted Name" }</label>
+                <input type="text" id="formatted_name" onchange=formatted_name_input/>
+                <input id="prefix"/>
+                <input id="first_name"/>
+                <input id="middle_name"/>
+                <input id="last_name"/>
+                <input id="suffix"/>
+                <button id="generate-vcard" class="button primary small" onclick=self.link.callback(|_| Msg::GenerateVCard)>{ "Generate VCard" }</button>
+                
+                { self.render_pdf() } { self.render_vcard() }
+            </div>
+        }
+    }
+}
+
+impl Form {
+    fn generate_vcard(&self) -> Result<VCard, VCardError> {
+        match VCard::from_formatted_name_str(&self.formatted_name) {
+            Ok(vcard) => Ok(vcard),
+            Err(err) => Err(err),
+        }
+    }
+    fn render_error(&self) -> Html {
+        if self.error.is_some() {
+            html!{
+                <div class="alert danger">
+                    <p>{ self.error.as_ref().unwrap() }</p>
+                </div>
+            }
+        } else {
+            html!{}
+        }
+    }
+    fn render_pdf(&self) -> Html {
         let raw = pdfgen::genpdf();
         let data = base64::encode(&raw);
         let uri_component: String = js_sys::encode_uri_component(&data).into();
         let href = format!{"data:application/pdf;base64,{}", uri_component };
+
         html!{
-            <a href=href download="demo.pdf" >
+            <a href=href download="demo.pdf" class="button success small" >
                 { "Download PDF" }
             </a>
         }
     }
+    fn render_vcard(&self) -> Html {
+        if self.generated_vcard.is_some() {
+            let data = base64::encode(self.generated_vcard.as_ref().unwrap());
+            let uri_component: String = js_sys::encode_uri_component(&data).into();
+            let href = format!("data:text/vcard;base64,{}", uri_component);
+
+            html!{
+                <a href=href download=format!("{}.vcs",self.formatted_name) class="button success small">
+                    { "Download vCard" }
+                </a>
+            }
+        } else {
+            html!{}
+        }
+    }
 }
 
+
 #[wasm_bindgen(start)]
 pub fn run_app() {
+    init();
     App::<Form>::new().mount_to_body();
 }
\ No newline at end of file
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