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"use strict";
class VEventValue {
constructor (type, value, parameters = {}) {
this.type = type;
this.value = value;
this.parameters = parameters;
}
to_jcal () {
let value;
let v = this.value;
switch (this.type) {
case 'binary':
/* TOOD */
break;
case 'date-time':
value = v.format("~Y-~m-~dT~H:~M:~S");
// TODO TZ
break;
case 'date':
value = v.format("~Y-~m-~d");
break;
case 'duration':
/* TODO */
break;
case 'period':
/* TODO */
break;
case 'utc-offset':
/* TODO */
break;
case 'recur':
value = v.asJcal();
break;
case 'float':
case 'integer':
case 'text':
case 'uri':
case 'cal-address':
case 'boolean':
value = v;
}
return [this.parameters, this.type, value];
}
}
/* maybe ... */
class VEventDuration extends VEventValue {
}
class VEvent {
constructor (properties = {}, components = []) {
this.properties = properties;
this.components = components;
this.registered = [];
}
getProperty (key) {
let e = this.properties[key];
if (! e) return e;
return e.value;
}
setProperty (key, value) {
let e = this.properties[key];
if (! e) {
let type = (valid_input_types[key.toUpperCase()] || ['unknown'])[0]
if (typeof type === typeof []) type = type[0];
e = this.properties[key] = new VEventValue(type, value);
} else {
e.value = value;
}
for (let el of this.registered) {
/* TODO update correct fields, allow component to redraw themselves */
console.log(el);
el.redraw(this);
}
}
register (htmlNode) {
this.registered.push(htmlNode);
}
to_jcal () {
let out_properties = []
for (let [key, value] of Object.entries(this.properties)) {
let sub = value.to_jcal();
sub.unshift(key)
out_properties.push(sub);
}
return ['vevent', out_properties, [/* alarms go here*/]]
}
}
function make_vevent_value (value_tag) {
/* TODO parameters */
return new VEventValue (value_tag.tagName, make_vevent_value_ (value_tag));
}
function make_vevent_value_ (value_tag) {
/* RFC6321 3.6. */
switch (value_tag.tagName) {
case 'binary':
/* Base64 to binary
Seems to handle inline whitespace, which xCal standard reqires
*/
return atob(value_tag.innerHTML)
break;
case 'boolean':
switch (value_tag.innerHTML) {
case 'true': return true;
case 'false': return false;
default:
console.warn(`Bad boolean ${value_tag.innerHTML}, defaulting with !!`)
return !! value_tag.innerHTML;
}
break;
case 'time':
case 'date':
case 'date-time':
return parseDate(value_tag.innerHTML);
break;
case 'duration':
/* TODO duration parser here 'P1D' */
return value_tag.innerHTML;
break;
case 'float':
case 'integer':
return +value_tag.innerHTML;
break;
case 'period':
/* TODO has sub components, meaning that a string wont do */
let start = value_tag.getElementsByTagName('start')[0]
parseDate(start.innerHTML);
let other;
if ((other = value_tag.getElementsByTagName('end')[0])) {
return parseDate(other.innerHTML)
} else if ((other = value_tag.getElementsByTagName('duration')[0])) {
/* TODO parse duration */
return other.innerHTML
} else {
console.warn('Invalid end to period, defaulting to 1H');
return new Date(3600);
}
case 'recur':
/* TODO parse */
return "";
case 'utc-offset':
/* TODO parse */
return "";
default:
console.warn(`Unknown type '${value_tag.tagName}', defaulting to string`)
case 'cal-address':
case 'uri':
case 'text':
return value_tag.innerHTML;
}
}
/* xml dom object -> class VEvent */
function xml_to_vcal (xml) {
/* xml MUST have a VEVENT (or equivalent) as its root */
let properties = xml.getElementsByTagName('properties')[0];
let components = xml.getElementsByTagName('components')[0];
let property_map = {}
if (properties) {
for (var i = 0; i < properties.childElementCount; i++) {
let tag = properties.childNodes[i];
let parameters = {};
let value = [];
for (var j = 0; j < tag.childElementCount; j++) {
let child = tag.childNodes[j];
switch (tag.tagName) {
case 'parameters':
parameters = /* handle parameters */ {};
break;
/* These can contain multiple value tags, per
RFC6321 3.4.1.1. */
case 'categories':
case 'resources':
case 'freebusy':
case 'exdate':
case 'rdate':
value.push(make_vevent_value(child));
break;
default:
value = make_vevent_value(child);
}
}
property_map[tag.tagName] = value;
}
}
let component_list = []
if (components) {
for (let child of components.childNodes) {
component_list.push(xml_to_vcal(child))
}
}
return new VEvent(property_map, component_list)
}
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