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import { GCalendarEvent, GCalendarMeta } from './gapi';
import { PatternEntry } from './pattern';
import { defaultChartColor} from './theme';
export type PatternGraphData = {
name: string,
value: number,
color: string
};
export type GraphData = {
name: string,
start: Date,
end: Date,
data: PatternGraphData[]
};
export function getGraphData(
start: Date, end: Date,
patterns: PatternEntry[], calendars: { [id: string]: GCalendarMeta },
calEventsGetter: (id: string, start: Date, end: Date) => Promise<GCalendarEvent[]>) {
if (start >= end) return Promise.resolve({ patternGraphData: [], calendarGraphData: [] });
let event_pms = [];
for (let id in calendars)
{
if (!calendars[id].enabled) continue;
let filtered = patterns.filter(p => p.cal.regex.test(calendars[id].name));
if (filtered.length > 0)
event_pms.push(calEventsGetter(id, start, end)
.then(r => { return { id, events: r, filtered }; }));
}
return Promise.all(event_pms).then(all_events => {
let events: {[id: string]: GCalendarEvent[]} = {};
let patternsByCal: {[id: string]: PatternEntry[]} = {};
let results: {[idx: number]: number} = {};
let cal_results: {[id: string]: number} = {};
all_events.forEach(e => {
events[e.id] = e.events;
patternsByCal[e.id] = e.filtered;
});
for (let i = 0; i < patterns.length; i++)
results[i] = 0;
for (let id in calendars) {
if (!events[id]) continue;
events[id].forEach(event => {
patternsByCal[id].forEach(p => {
if (!p.event.regex.test(event.summary)) {
console.log(event.summary, p.event.regex);
return;
}
if (!cal_results.hasOwnProperty(id)) {
cal_results[id] = 0;
}
let duration = (event.end.getTime() - event.start.getTime()) / 60000;
results[p.idx] += duration;
cal_results[id] += duration;
});
});
}
let patternGraphData = [];
let calendarGraphData = [];
const filterMarginal = (data: PatternGraphData[]) => {
let sum = 0;
let majorParts = [];
let minorSum = 0;
data.forEach(d => sum += d.value);
data.forEach(d => {
let ratio = d.value / sum;
if (ratio < 1e-2) minorSum += d.value;
else majorParts.push(d);
});
majorParts.push({
name: 'Other',
value: minorSum,
color: defaultChartColor,
});
return majorParts;
};
for (let i = 0; i < patterns.length; i++) {
patternGraphData.push({
name: patterns[i].name,
value: results[i] / 60.0,
color: patterns[i].color.background});
}
for (let id in cal_results) {
calendarGraphData.push({
name: calendars[id].name,
value: (cal_results[id] / 60.0),
color: calendars[id].color.background});
}
return {start, end,
patternGraphData: filterMarginal(patternGraphData),
calendarGraphData: filterMarginal(calendarGraphData) };
});
}
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