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Merge pull request #1 from Vpowgh/development
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Development
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@Vpowgh
Vpowgh authored Jun 5, 2022
2 parents 7bac586 + 13d116c commit d422488
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11 changes: 8 additions & 3 deletions README.md
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Expand Up @@ -13,12 +13,17 @@ Google calendar URLs are of format: https://calendar.google.com/calendar/ical/CA
Import plugin code to HomeRemote project.

The plugin uses following attributes to store data:
> "eventlist", "event1", "event2", "event3" ,"event4", "event5", "event6", "event7", "event8", "event9", "event10"
> "eventlist", "longlist", "event1", "event2", "event3" ,"event4", "event5", "event6", "event7", "event8", "event9", "event10"
"eventlist" contains all future events in JSON format. The other attributes contain the next 10 coming events.
"eventlist" contains all future events in JSON format including date and summary. "longlist" is the same than eventlist but adds long description of an event if available. The other attributes contain the next 10 coming events.

"eventlist" can be used for example in HomeRemote GridView component. In ItemsSource put "yourdevice.eventlist" as Device Binding, and in TextMemberPath "event".
"eventlist" and "longlist" can be used for example in HomeRemote GridView component. In ItemsSource put "yourdevice.eventlist" or "yourdevice.longlist" as Device Binding, and in TextMemberPath "event".

# Release notes
v1.1
- Better handling of properties with optional parameters.
- "longlist" with DESCRIPTION field now available.
- Known limitations: recurring events not supported.

v1.0
- Initial release.
101 changes: 85 additions & 16 deletions ecal.js
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Expand Up @@ -46,42 +46,104 @@ function onPoll() {
var newdate = dateObj.getUTCFullYear() + zeroPad(dateObj.getUTCMonth() + 1, 2) + zeroPad(dateObj.getUTCDate(), 2);

var str = response.data;
var startIndex = 0, index, events = [];
var sdate, edate;
var startIndex, endIndex, index, events = [];
var sdate, edate, ssum, sdes;

//simple check that it is actually calendar file
startIndex = str.indexOf("BEGIN:VCALENDAR");
if(startIndex == -1) {
return;
}

while((index = str.indexOf("DTSTART", startIndex)) > -1) {
while((index = str.indexOf("BEGIN:VEVENT", startIndex)) > -1) { //find start of an event
var ii;
sdate = str.substr(index+8,8); //startdate timestamp

ii = str.indexOf("DTEND", index);
//find end of an event, if not found the file is not good
ii = str.indexOf("END:VEVENT", index);
if(ii != -1) {
edate = str.substr(ii+6,8); //enddate timestamp
index = ii;
endIndex = ii;
}
else {
return;
}

//find startdate within event
ii = str.indexOf("DTSTART", index);
if( (ii != -1) && (ii < endIndex) ) {
ii = str.indexOf(":", ii); //skip possible optional parameters
sdate = str.substr(ii+1,8);
}
else { //if start time missing go to next event
startIndex = endIndex;
continue;
}

//find enddate within event
ii = str.indexOf("DTEND", index);
if( (ii != -1) && (ii < endIndex) ) {
ii = str.indexOf(":", ii);
edate = str.substr(ii+1,8); //enddate timestamp
}
else { //if end time missing just use starttime
edate = sdate;
}


//find summary within event
ii = str.indexOf("SUMMARY", index);
if(ii != -1) {
index = ii;
if( (ii != -1) && (ii < endIndex) ) {
ii = str.indexOf(":", ii);
ssum = ii+1;
}
else { //if summary is missing then do not add event
startIndex = index;
startIndex = endIndex;
continue;
}


//find description within event
ii = str.indexOf("DESCRIPTION", index);
if( (ii != -1) && (ii < endIndex) ) {
ii = str.indexOf(":", ii);
sdes = ii+1;
}
else { //if description is missing
sdes = -1;
}

//add event if all ok
if( (sdate >= newdate) || ((sdate < newdate) && (edate >= newdate)) ) { //either event is in the future, or has started and event end is the future (multiday event)
let event = {};
event.date = sdate;
event.year = parseInt(sdate.substr(0,4));
event.month = parseInt(sdate.substr(4,2));
event.day = parseInt(sdate.substr(6,2));
event.summary = str.substring(index+8, str.indexOf("\n", index));
event.summary = str.substring(ssum, str.indexOf("\r\n", ssum));

//unfold description
var unfold = 1;
ii = sdes;
while(unfold) {
ii = str.indexOf("\r\n", ii) + 2; //find end of CRLF
if(str.charAt(ii) != " ") { //CRLF+space is line separator, just CRLF is end of description
unfold = 0;
}
}

//remove line separators and escapes
var s = str.substring(sdes, ii);
while(s.indexOf("\r\n ") > -1) {
s = s.replace("\r\n ","");
}
while(s.indexOf("\\") > -1) {
s = s.replace("\\","");
}
//word wrap around 60 chars
s = s.replace(/(?![^\n]{1,60}$)([^\n]{1,60})\s/g, '$1\n');
event.description = s;

events.push(event);
}

startIndex = index;
startIndex = endIndex;
}

//sort events based on date
Expand All @@ -101,6 +163,13 @@ function onPoll() {
}
elist = elist.slice(0,-1) + "]";
device.eventlist = elist;

elist = "[";
for(var i=0; (i<events.length) && (i<500); i++) { //limit to 500 in any case
elist = elist + "{" + "event:\"" + events[i].day + "." + events[i].month + ". " + events[i].summary + "\\n" + events[i].description + "\"},";
}
elist = elist.slice(0,-1) + "]";
device.longlist = elist;
}
}

Expand All @@ -110,7 +179,7 @@ function onSynchronizeDevices() {
cal1.DisplayName = "Event Calender 1";
cal1.Capabilities = [];
cal1.Attributes = [
"eventlist", "event1", "event2", "event3" ,"event4", "event5", "event6", "event7", "event8", "event9", "event10"
"eventlist", "longlist", "event1", "event2", "event3" ,"event4", "event5", "event6", "event7", "event8", "event9", "event10"
];

plugin.Devices[cal1.Id] = cal1;
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