add traits for viewmodel and view

1 files changed, 18 insertions, 370 deletions

diff --git a/src/view/mod.rs b/src/view/mod.rs
index d34eb39..b46accf 100644
--- a/src/view/mod.rs
+++ b/src/view/mod.rs
@@ -1,262 +1,26 @@
-use crate::view::telephone::{TelephoneView,Telephone};
-use std::collections::HashSet;
-use name::{NameView,Name};
-use address::{AddressView,Address,AddressType};
-use genpdf::Element as _;
-use genpdf::{elements, style, fonts};
-use qrcodegen::QrCode;
-use qrcodegen::QrCodeEcc;
 use yew::prelude::*;
-use vcard::{VCard, VCardError};
-
-
-mod name;
-mod photo;
-mod birthday;
-mod address;
-mod telephone;
-
-#[derive(Clone)]
-pub struct Download {
-    pub file_name: String,
-    pub content: String,
-    pub mime_type: MimeType,
-}
-
-impl Download {
-    pub fn as_data_link(&self) -> String {
-        let data = base64::encode(&*self.content);
-        let uri_component: String = js_sys::encode_uri_component(&data).into();
-
-        format!("data:{};base64,{}", self.mime_type.as_text(), uri_component)
-    }
-}
-
-#[derive(Clone, Copy)]
-pub enum MimeType {
-    PDF,
-    VCard,
-    SVG,
-}
-
-impl MimeType {
-    pub fn as_text(&self) -> &str {
-        match self {
-            MimeType::PDF => "application/pdf",
-            MimeType::VCard => "text/vcard",
-            MimeType::SVG => "image/svg+xml",
-        }
-    }
-}
-
-#[derive(Clone, Copy)]
-pub enum DownloadOption {
-    PDF,
-    VCard,
-    QrCode,
-}
-
-pub struct MainView {
-    link: ComponentLink<Self>,
-    error: Vec<String>,
-    name: Name,
-    work_address: Address,
-    home_address: Address,
-    telephone: Telephone,
-    download: Option<Download>,
-    selected_option: DownloadOption,
-}
-
-pub enum Msg {
-    UpdateName(Name),
-    UpdateHomeAddress(Address),
-    UpdateWorkAddress(Address),
-    UpdateTelephone(Telephone),
-    Generate(DownloadOption),
-    Nope,
-}
-
-impl Component for MainView {
-    type Message = Msg;
-    type Properties = ();
-
-    fn create(_props: Self::Properties, link: ComponentLink<Self>) -> Self {
-        MainView { 
-            link, 
-            error: vec![], 
-            name: Name::new(), 
-            work_address: Address::new_with_type(AddressType::Work), 
-            home_address: Address::new_with_type(AddressType::Home), 
-            telephone: Telephone::new(),
-            download: None, 
-            selected_option: DownloadOption::VCard 
-        }
-    }
-
-    fn update(&mut self, msg: Self::Message) -> ShouldRender {
-        self.error.clear();
-        match msg {
-            Msg::UpdateName(value) => {
-                self.name = value;
-                self.link.send_message(Msg::Generate(self.selected_option));
-            },
-            Msg::UpdateHomeAddress(value) => {
-                self.home_address = value;
-                self.link.send_message(Msg::Generate(self.selected_option));
-            },
-            Msg::UpdateWorkAddress(value) => {
-                self.work_address = value;
-                self.link.send_message(Msg::Generate(self.selected_option));
-            },
-            Msg::UpdateTelephone(value) => {
-                self.telephone = value;
-                self.link.send_message(Msg::Generate(self.selected_option));
-            },
-            Msg::Generate(option) => {
-                self.selected_option = option;
-
-                let vcard_content = match self.generate_vcard() {
-                    Ok(vcard) => Some(vcard.to_string()),
-                    Err(VCardError::FormatError(err)) => {
-                        self.error.push(err.to_string());
-                        None
-                    }
-                    Err(VCardError::EmptyFormatName) => {
-                        self.error.push(String::from("At least one of the name fields should be filled out."));
-                        None
-                    }
-                };
-
-                match option {
-                    DownloadOption::VCard => {
-                        if vcard_content.is_some() {
-                            self.download = Some(
-                                Download { 
-                                    file_name: format!("{}.vcs", self.name.formatted_name()), 
-                                    content: vcard_content.unwrap().to_string(), 
-                                    mime_type: MimeType::VCard,
-                                }
-                            )
-                        }
-                    }
-                    DownloadOption::QrCode => {
-                        if vcard_content.is_some() {
-                            match QrCode::encode_text(vcard_content.as_ref().unwrap(), QrCodeEcc::Low) {
-                                Ok(qr) => self.download = Some(
-                                    Download {
-                                        file_name: format!("QR-Code VCard {}.svg", self.name.formatted_name()),
-                                        content: qr.to_svg_string(4),
-                                        mime_type: MimeType::SVG,
-                                    }
-                                ),
-                                Err(_) => self.error.push(String::from("Sorry, VCard is too long!")),
-                            };
-                        }
-                    }
-                    DownloadOption::PDF => {
-                        match self.generate_pdf() {
-                            Ok(pdf) => self.download = Some(
-                                Download {
-                                    file_name: format!("Visitenkarten {}.pdf", self.name.formatted_name()),
-                                    content: pdf,
-                                    mime_type: MimeType::PDF,
-                                }
-                            ),
-                            Err(_) => self.error.push(String::from("Unexpected error while generating the PDF. Please contact me about it.")),
-                        }
-                    }
-                }
-            }
-            Msg::Nope => return false,
-        };
-        if self.error.len() > 0 {
-            self.download = None;
-        }
-        true
-    }
-
-    fn change(&mut self, _props: Self::Properties) -> ShouldRender {
-        false
-    }
-
-    fn view(&self) -> Html {
-
-        let download_options = self.link.callback(|e: ChangeData|
-            match e {
-                ChangeData::Select(v) => match v.value().as_str() {
-                    "vcard" => Msg::Generate(DownloadOption::VCard),
-                    "pdf" => Msg::Generate(DownloadOption::PDF),
-                    "qrcode" => Msg::Generate(DownloadOption::QrCode),
-                    _ => Msg::Nope,
-                },
-                _ => Msg::Nope,
-            }
-        );
-
-        html!{
-            <>
-                <main>
-                    <section class="hero">
-                        <div class="hero-body">
-                            <div class="container is-max-widescreen">
-                                <h1 class="title">{ "A Generator for vCards" }</h1>
-                                <h2 class="subtitle">{ "Supports generating vCards (.vcf), print-ready PDF business cards and QR Codes" }</h2>
-                            </div>
-                        </div>
-                    </section>
-
-                    <section class="section">
-                        <div class="container is-max-widescreen">
-
-                            { self.render_errors() }
-
-                            <NameView oninput=self.link.callback(|n: Name| Msg::UpdateName(n)) />
-
-                            <AddressView address_type=AddressType::Home oninput=self.link.callback(|a: Address| Msg::UpdateHomeAddress(a)) />
-
-                            <AddressView address_type=AddressType::Work oninput=self.link.callback(|a: Address| Msg::UpdateWorkAddress(a)) />
-
-                            <TelephoneView oninput=self.link.callback(|t: Telephone| Msg::UpdateTelephone(t)) />
-
-                            <div class="block level-left">
-                                <div class="select level-item">
-                                    <select id="download_options" onchange=download_options>
-                                        <option value="vcard">{ "VCard (.vcf)" }</option>
-                                        <option value="pdf">{ "Print-ready PDF" }</option>
-                                        <option value="qrcode">{ "QR Code" }</option>
-                                    </select>
-                                </div>
-                                
-                                { self.render_download() }
-                            </div>
-
-                            <div class="block">
-                                { self.render_preview() }
-                            </div>
-
-                        </div>
-                    </section>
-                </main>
-
-                <footer class="footer">
-                    <div class="content has-text-centered">
-                        <p>
-                            <strong>{ "VCard Generator" }</strong> { " by " } <a href="https://jelemux.dev">{ "Jeremias Weber" }</a>{ ". "}
-                            { "The source code is licenced " } <a href="http://opensource.org/licenses/mit-license.php">{ "MIT" }</a>{"."}
-                        </p>
-                    </div>
-                </footer>
-            </>
-        }
-    }
-}
-
-impl MainView {
+use input_objects::*;
+pub mod input_objects;
+
+pub mod main;
+pub mod name;
+pub mod photo;
+pub mod birthday;
+pub mod address;
+pub mod telephone;
+
+pub trait VCardPropertyInputComponent<P, T>: Component 
+    where   P: vcard::properties::Property,
+            T: VCardPropertyInputObject<P, Self>
+{
+    fn get_input_object(&self) -> T;
+    fn get_title(&self) -> String;
+    fn get_errors(&self) -> Vec<String>;
     fn render_errors(&self) -> Html {
         html!{
             <>
                 {
-                    for self.error.iter().map(|err| 
+                    for self.get_errors().iter().map(|err| 
                         html!{
                             <div class="notification is-danger is-light">
                                 { err }
@@ -267,120 +31,4 @@ impl MainView {
             </>
         }
     }
-    fn render_download(&self) -> Html {
-        if self.download.is_some() {
-            let download = self.download.as_ref().unwrap();
-
-            html!{
-                <a href=download.as_data_link() download=download.file_name class="button is-primary level-item" >
-                    { "Download" }
-                </a>
-            }
-        } else {
-            html!{}
-        }
-    }
-    fn render_preview(&self) -> Html {
-        if self.download.is_some() {
-            let download = self.download.as_ref().unwrap();
-
-            match download.mime_type {
-                MimeType::PDF => html!{
-                    <iframe src=download.as_data_link() alt="PDF Preview" width="400" height="550"/>
-                },
-                MimeType::VCard => {
-                    html!{
-                        <pre>
-                            <code> { download.content.clone() } </code>
-                        </pre>
-                    }
-                }
-                MimeType::SVG => html!{
-                    <img src=download.as_data_link() alt="Image Preview" class="image is-square" width="300" height="300"/>
-                },
-            }
-        } else {
-            html!{}
-        }
-    }
-    fn generate_vcard(&self) -> Result<VCard, VCardError> {
-        match VCard::from_formatted_name_str(&self.name.formatted_name()) {
-            Ok(vcard) => {
-                let mut vcard = vcard;
-
-                let names = {
-                    let mut names = HashSet::new();
-                    names.insert(self.name.to_vcard_value());
-
-                    names
-                };
-
-                let addresses = {
-                    let mut addresses = HashSet::new();
-                    addresses.insert(self.home_address.to_vcard_value());
-                    addresses.insert(self.work_address.to_vcard_value());
-
-                    addresses
-                };
-
-                let telephones = {
-                    let mut telephones = HashSet::new();
-                    telephones.insert(self.telephone.to_vcard_value());
-                    
-                    telephones
-                };
-
-                vcard.names = Some(vcard::Set::from_hash_set(names).unwrap());
-                vcard.addresses = Some(vcard::Set::from_hash_set(addresses).unwrap());
-                vcard.telephones = Some(vcard::Set::from_hash_set(telephones).unwrap());
-
-                Ok(vcard)
-            }
-            Err(err) => Err(err),
-        }
-    }
-    fn generate_pdf(&self) -> Result<String, ()>{
-        let regular_bytes = include_bytes!("/usr/share/fonts/liberation/LiberationSans-Regular.ttf");
-        let regular_font_data = fonts::FontData::new(regular_bytes.to_vec(), Some(printpdf::BuiltinFont::Helvetica)).expect("font data should be correct");
-
-        let bold_bytes = include_bytes!("/usr/share/fonts/liberation/LiberationSans-Bold.ttf");
-        let bold_font_data = fonts::FontData::new(bold_bytes.to_vec(), Some(printpdf::BuiltinFont::HelveticaBold)).expect("font data should be correct");
-
-        let italic_bytes = include_bytes!("/usr/share/fonts/liberation/LiberationSans-Italic.ttf");
-        let italic_font_data = fonts::FontData::new(italic_bytes.to_vec(), Some(printpdf::BuiltinFont::HelveticaOblique)).expect("font data should be correct");
-
-        let bold_italic_bytes = include_bytes!("/usr/share/fonts/liberation/LiberationSans-BoldItalic.ttf");
-        let bold_italic_font_data = fonts::FontData::new(bold_italic_bytes.to_vec(), Some(printpdf::BuiltinFont::HelveticaBoldOblique)).expect("font data should be correct");
-
-        let font_family = fonts::FontFamily{ 
-            regular: regular_font_data, 
-            bold: bold_font_data, 
-            italic: italic_font_data, 
-            bold_italic: bold_italic_font_data 
-        };
-
-        let mut doc = genpdf::Document::new(font_family);
-
-        doc.set_title("BCard test");
-        doc.set_minimal_conformance();
-        doc.set_margins(10);
-        doc.set_line_spacing(1.25);
-
-        doc.push(
-            elements::Paragraph::new("genpdf Demo Document")
-                .aligned(elements::Alignment::Center)
-                .styled(style::Style::new().bold().with_font_size(20)),
-        );
-
-        // TODO fill doc with real data
-
-        let mut buf: Vec<u8> = Vec::new();
-        match doc.render(&mut buf) {
-            Ok(_) => Ok(match String::from_utf8(buf) {
-                Ok(s) => s,
-                Err(_) => return Err(()),
-            }),
-            Err(_) => Err(()),
-        }
-    }
 }
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