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melib/vcard: implement Card to VCard string conversion 

Concerns #54
feature/export-vcards
Manos Pitsidianakis 2023-06-17 23:28:14 +03:00
parent fdc0861ac0
commit 9327ac204d
Signed by: Manos Pitsidianakis
GPG Key ID: 7729C7707F7E09D0
1 changed files with 73 additions and 27 deletions
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100
melib/src/addressbook/vcard.rs
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@ -27,7 +27,7 @@
//! - Version 4 [RFC 6350: vCard Format Specification](https://datatracker.ietf.org/doc/rfc6350/)
//! - Parameter escaping [RFC 6868 Parameter Value Encoding in iCalendar and vCard](https://datatracker.ietf.org/doc/rfc6868/)
use std::{collections::HashMap, convert::TryInto};
use std::{collections::HashMap, convert::TryInto, fmt::Write};
use super::*;
use crate::{
@ -53,6 +53,7 @@ pub struct VCardVersion3;
impl VCardVersion for VCardVersion3 {}
pub struct CardDeserializer;
pub struct CardSerializer;
const HEADER_CRLF: &str = "BEGIN:VCARD\r\n"; //VERSION:4.0\r\n";
const FOOTER_CRLF: &str = "END:VCARD\r\n";
@ -171,6 +172,53 @@ impl CardDeserializer {
}
}
impl CardSerializer {
pub fn to_string(card: &Card) -> std::result::Result<String, VCardSerializeError> {
let mut ret = HEADER_CRLF.to_string();
write!(&mut ret, "VERSION:4.0\r\n")?;
macro_rules! line {
($hdr:literal, $field: expr) => {{
let f = { $field };
if !f.is_empty() {
write!(&mut ret, concat!($hdr, ":{}\r\n"), f)?;
}
}};
}
line!("FN", &card.name);
line!("TITLE", &card.title);
line!("EMAIL", &card.email);
line!("URL", &card.url);
line!(
"BDAY;VALUE=text",
card.birthday
.as_ref()
.map(|t| t.to_string())
.unwrap_or_default()
);
// https://datatracker.ietf.org/doc/html/rfc6350#section-6.8.1
// line!("KEY", card.key);
write!(&mut ret, "END:VCARD\r\n")?;
Ok(ret)
}
}
#[derive(Debug, Clone)]
#[repr(transparent)]
pub struct VCardSerializeError(std::fmt::Error);
impl std::fmt::Display for VCardSerializeError {
fn fmt(&self, fmt: &mut std::fmt::Formatter) -> std::fmt::Result {
write!(fmt, "{}", self.0)
}
}
impl From<std::fmt::Error> for VCardSerializeError {
fn from(err: std::fmt::Error) -> Self {
Self(err)
}
}
impl<V: VCardVersion> TryInto<Card> for VCard<V> {
type Error = crate::error::Error;
@ -255,26 +303,6 @@ fn parse_card<'a>() -> impl Parser<'a, Vec<&'a str>> {
}
}
#[test]
fn test_load_cards() {
/*
let mut contents = String::with_capacity(256);
let p = &std::path::Path::new("/tmp/contacts.vcf");
use std::io::Read;
contents.clear();
std::fs::File::open(&p)
.unwrap()
.read_to_string(&mut contents)
.unwrap();
for s in parse_card().parse(contents.as_str()).unwrap().1 {
println!("");
println!("{}", s);
println!("{:?}", CardDeserializer::from_str(s));
println!("");
}
*/
}
pub fn load_cards(p: &std::path::Path) -> Result<Vec<Card>> {
let vcf_dir = std::fs::read_dir(p);
let mut ret: Vec<Result<_>> = Vec::new();
@ -322,10 +350,28 @@ pub fn load_cards(p: &std::path::Path) -> Result<Vec<Card>> {
ret.into_iter().collect::<Result<Vec<Card>>>()
}
#[test]
fn test_card() {
let j = "BEGIN:VCARD\r\nVERSION:4.0\r\nN:Gump;Forrest;;Mr.;\r\nFN:Forrest Gump\r\nORG:Bubba Gump Shrimp Co.\r\nTITLE:Shrimp Man\r\nPHOTO;MEDIATYPE=image/gif:http://www.example.com/dir_photos/my_photo.gif\r\nTEL;TYPE=work,voice;VALUE=uri:tel:+1-111-555-1212\r\nTEL;TYPE=home,voice;VALUE=uri:tel:+1-404-555-1212\r\nADR;TYPE=WORK;PREF=1;LABEL=\"100 Waters Edge\\nBaytown\\, LA 30314\\nUnited States of America\":;;100 Waters Edge;Baytown;LA;30314;United States of America\r\nADR;TYPE=HOME;LABEL=\"42 Plantation St.\\nBaytown\\, LA 30314\\nUnited States of America\":;;42 Plantation St.;Baytown;LA;30314;United States of America\r\nEMAIL:forrestgump@example.com\r\nREV:20080424T195243Z\r\nx-qq:21588891\r\nEND:VCARD\r\n";
println!("results = {:#?}", CardDeserializer::from_str(j).unwrap());
let j = "BEGIN:VCARD\nVERSION:4.0\nN:Gump;Forrest;;Mr.;\nFN:Forrest Gump\nORG:Bubba Gump Shrimp Co.\nTITLE:Shrimp Man\nPHOTO;MEDIATYPE=image/gif:http://www.example.com/dir_photos/my_photo.gif\nTEL;TYPE=work,voice;VALUE=uri:tel:+1-111-555-1212\nTEL;TYPE=home,voice;VALUE=uri:tel:+1-404-555-1212\nADR;TYPE=WORK;PREF=1;LABEL=\"100 Waters Edge\\nBaytown\\, LA 30314\\nUnited States of America\":;;100 Waters Edge;Baytown;LA;30314;United States of America\nADR;TYPE=HOME;LABEL=\"42 Plantation St.\\nBaytown\\, LA 30314\\nUnited States of America\":;;42 Plantation St.;Baytown;LA;30314;United States of America\nEMAIL:forrestgump@example.com\nREV:20080424T195243Z\nx-qq:21588891\nEND:VCARD\n";
println!("results = {:#?}", CardDeserializer::from_str(j).unwrap());
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_vcard_parse_card() {
let j = "BEGIN:VCARD\r\nVERSION:4.0\r\nN:Gump;Forrest;;Mr.;\r\nFN:Forrest Gump\r\nORG:Bubba Gump Shrimp Co.\r\nTITLE:Shrimp Man\r\nPHOTO;MEDIATYPE=image/gif:http://www.example.com/dir_photos/my_photo.gif\r\nTEL;TYPE=work,voice;VALUE=uri:tel:+1-111-555-1212\r\nTEL;TYPE=home,voice;VALUE=uri:tel:+1-404-555-1212\r\nADR;TYPE=WORK;PREF=1;LABEL=\"100 Waters Edge\\nBaytown\\, LA 30314\\nUnited States of America\":;;100 Waters Edge;Baytown;LA;30314;United States of America\r\nADR;TYPE=HOME;LABEL=\"42 Plantation St.\\nBaytown\\, LA 30314\\nUnited States of America\":;;42 Plantation St.;Baytown;LA;30314;United States of America\r\nEMAIL:forrestgump@example.com\r\nREV:20080424T195243Z\r\nx-qq:21588891\r\nEND:VCARD\r\n";
println!("results = {:#?}", CardDeserializer::from_str(j).unwrap());
let j = "BEGIN:VCARD\nVERSION:4.0\nN:Gump;Forrest;;Mr.;\nFN:Forrest Gump\nORG:Bubba Gump Shrimp Co.\nTITLE:Shrimp Man\nPHOTO;MEDIATYPE=image/gif:http://www.example.com/dir_photos/my_photo.gif\nTEL;TYPE=work,voice;VALUE=uri:tel:+1-111-555-1212\nTEL;TYPE=home,voice;VALUE=uri:tel:+1-404-555-1212\nADR;TYPE=WORK;PREF=1;LABEL=\"100 Waters Edge\\nBaytown\\, LA 30314\\nUnited States of America\":;;100 Waters Edge;Baytown;LA;30314;United States of America\nADR;TYPE=HOME;LABEL=\"42 Plantation St.\\nBaytown\\, LA 30314\\nUnited States of America\":;;42 Plantation St.;Baytown;LA;30314;United States of America\nEMAIL:forrestgump@example.com\nREV:20080424T195243Z\nx-qq:21588891\nEND:VCARD\n";
println!("results = {:#?}", CardDeserializer::from_str(j).unwrap());
}
#[test]
fn test_vcard_export_card() {
let mut card = Card::new();
card.set_title("Shrimp Man".into())
.set_name("Forrest Gump".into())
.set_email("forrestgump@example.com".into());
assert_eq!(
&CardSerializer::to_string(&card).unwrap(),
"BEGIN:VCARD\r\nVERSION:4.0\r\nFN:Forrest Gump\r\nTITLE:Shrimp \
Man\r\nEMAIL:forrestgump@example.com\r\nEND:VCARD\r\n"
);
}
}