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Check if date ranges overlap
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@ZachTRice
ZachTRice committed Jun 10, 2018
1 parent 3a1dd83 commit 2b4eab3
Showing 1 changed file with 121 additions and 39 deletions.
160 changes: 121 additions & 39 deletions web/js/layers/info.js
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Original file line number Diff line number Diff line change
Expand Up @@ -66,6 +66,76 @@ export function layersInfo(config, models, layer) {
wvui.closeDialog();
};

// this function takes an array of date ranges in this format:
// [{ layer.period, dateRanges.startDate: Date, dateRanges.endDate: Date, dateRanges.dateInterval: Number}]
// the array is first sorted, and then checked for any overlap
var dateOverlap = function (period, dateRanges) {
var sortedRanges = dateRanges.sort((previous, current) => {
// get the start date from previous and current
var previousTime = util.parseDate(previous.startDate);
previousTime = previousTime.getTime();
var currentTime = util.parseDate(current.startDate);
currentTime = currentTime.getTime();

// if the previous is earlier than the current
if (previousTime < currentTime) {
return -1;
}

// if the previous time is the same as the current time
if (previousTime === currentTime) {
return 0;
}

// if the previous time is later than the current time
return 1;
});

var result = sortedRanges.reduce((result, current, idx, arr) => {
// get the previous range
if (idx === 0) { return result; }
var previous = arr[idx - 1];

// check for any overlap
var previousEnd = util.parseDate(previous.endDate);
// Add dateInterval
if (previous.dateInterval > 1) {
if (period === 'daily') {
previousEnd = new Date(previousEnd.setTime(previousEnd.getTime() + previous.dateInterval * 86400000));
} else if (period === 'monthly') {
previousEnd = new Date(previousEnd.setMonth(previousEnd.getMonth() + previous.dateInterval));
} else if (period === 'yearly') {
previousEnd = new Date(previousEnd.setFullYear(previousEnd.getFullYear() + previous.dateInterval));
}
}
previousEnd = previousEnd.getTime();

var currentStart = util.parseDate(current.startDate);
currentStart = currentStart.getTime();

var overlap = (previousEnd >= currentStart);
// store the result
if (overlap) {
// yes, there is overlap
result.overlap = true;
// store the specific ranges that overlap
result.ranges.push({
previous: previous,
current: current
});
}

return result;
},
{
overlap: false,
ranges: []
});

// return the final results
return result;
};

var renderDescription = function ($dialog) {
var startDate, endDate;
var $layerDescription = $('<div>', {
Expand Down Expand Up @@ -138,44 +208,38 @@ export function layersInfo(config, models, layer) {
} else {
$layerDateEnd.append('Present');
}
if (layer.dateRanges && (layer.dateRanges).length > 1) {
$layerDateEnd.append($layerDateRangesButton.append(' <sup>*View Dates</sup>'));
}
if (layer.id) $layerDateEnd.attr('id', layer.id + '-endDate');
$layerDateRange.append($layerDateEnd);
$layerDescription.append($layerDateRange);
}

if (layer.dateRanges) {
// If the layer has date ranges...
if (layer.dateRanges && (layer.dateRanges).length > 1) {
var firstDateRange = true;
if ((layer.dateRanges).length > 1) {
$layerDateWrap.append('<p>Date Ranges:</p>', $layerDateRanges);
$layerDescription.append($layerDateWrap);
lodashForEachRight(layer.dateRanges, function(dateRange) {
let rangeStartDate = util.parseDate(dateRange.startDate);
let rangeEndDate = util.parseDate(dateRange.endDate);
if (layer.period === 'subdaily') {
rangeStartDate = rangeStartDate.getDate() + ' ' + util.giveMonth(rangeStartDate) + ' ' +
rangeStartDate.getFullYear() + ' ' + util.pad(rangeStartDate.getHours(), 2, '0') + ':' +
util.pad(rangeStartDate.getMinutes(), 2, '0');
rangeEndDate = rangeEndDate.getDate() + ' ' + util.giveMonth(rangeEndDate) + ' ' +
rangeEndDate.getFullYear() + ' ' + util.pad(rangeEndDate.getHours(), 2, '0') + ':' +
util.pad(rangeEndDate.getMinutes(), 2, '0');
if (firstDateRange) {
if (layer.endDate === undefined) {
rangeEndDate = 'Present';
}
firstDateRange = false;
}
$layerDateRanges.append('<li class="list-group-item">' + rangeStartDate + ' - ' +
rangeEndDate + '</li>');
} else if (layer.period === 'yearly') {
$layerDateWrap.append('<p>Date Ranges:</p>', $layerDateRanges);
$layerDescription.append($layerDateWrap);

// Start creating an array of date ranges without overlapping dates //

var dateRanges = dateOverlap(layer.period, layer.dateRanges);

if (dateRanges.overlap === false) {
if (layer.dateRanges && (layer.dateRanges).length > 1) {
$layerDateEnd.append($layerDateRangesButton.append(' <sup>*View Dates</sup>'));
}
lodashForEachRight(layer.dateRanges, function(dateRange, index) {
let rangeStartDate = dateRange.startDate;
let rangeEndDate = dateRange.endDate;
rangeStartDate = util.parseDate(rangeStartDate);
rangeEndDate = util.parseDate(rangeEndDate);
if (layer.period === 'yearly') {
if (dateRange.dateInterval === '1' && dateRange.startDate === dateRange.endDate) {
rangeStartDate = rangeStartDate.getFullYear();
$layerDateRanges.append('<li class="list-group-item">' + rangeStartDate + '</li>');
} else {
rangeStartDate = rangeStartDate.getFullYear();
rangeEndDate = new Date(rangeEndDate.setFullYear(rangeEndDate.getFullYear() + dateRange.dateInterval));
if (dateRange.dateInterval !== '1') {
rangeEndDate = new Date(rangeEndDate.setFullYear(rangeEndDate.getFullYear() + dateRange.dateInterval));
}
rangeEndDate = rangeEndDate.getFullYear();
if (firstDateRange) {
if (layer.endDate === undefined) {
Expand All @@ -192,7 +256,9 @@ export function layersInfo(config, models, layer) {
$layerDateRanges.append('<li class="list-group-item">' + rangeStartDate + '</li>');
} else {
rangeStartDate = util.giveMonth(rangeStartDate) + ' ' + rangeStartDate.getFullYear();
rangeEndDate = new Date(rangeEndDate.setMonth(rangeEndDate.getMonth() + dateRange.dateInterval));
if (dateRange.dateInterval !== '1') {
rangeEndDate = new Date(rangeEndDate.setMonth(rangeEndDate.getMonth() + dateRange.dateInterval));
}
rangeEndDate = util.giveMonth(rangeEndDate) + ' ' + rangeEndDate.getFullYear();
if (firstDateRange) {
if (layer.endDate === undefined) {
Expand All @@ -209,11 +275,11 @@ export function layersInfo(config, models, layer) {
rangeStartDate.getFullYear();
$layerDateRanges.append('<li class="list-group-item">' + rangeStartDate + '</li>');
} else {
rangeStartDate = rangeStartDate.getDate() + ' ' + util.giveMonth(rangeStartDate) + ' ' +
rangeStartDate.getFullYear();
rangeEndDate = new Date(rangeEndDate.setTime(rangeEndDate.getTime() + dateRange.dateInterval * 86400000));
rangeEndDate = rangeEndDate.getDate() + ' ' + util.giveMonth(rangeEndDate) + ' ' +
rangeEndDate.getFullYear();
rangeStartDate = rangeStartDate.getDate() + ' ' + util.giveMonth(rangeStartDate) + ' ' + rangeStartDate.getFullYear();
if (dateRange.dateInterval !== '1') {
rangeEndDate = new Date(rangeEndDate.setTime(rangeEndDate.getTime() + dateRange.dateInterval * 86400000));
}
rangeEndDate = rangeEndDate.getDate() + ' ' + util.giveMonth(rangeEndDate) + ' ' + rangeEndDate.getFullYear();
if (firstDateRange) {
if (layer.endDate === undefined) {
rangeEndDate = 'Present';
Expand All @@ -223,14 +289,30 @@ export function layersInfo(config, models, layer) {
$layerDateRanges.append('<li class="list-group-item">' + rangeStartDate + ' - ' +
rangeEndDate + '</li>');
}
} else if (layer.period === 'subdaily') {
rangeStartDate = rangeStartDate.getDate() + ' ' + util.giveMonth(rangeStartDate) + ' ' +
rangeStartDate.getFullYear() + ' ' + util.pad(rangeStartDate.getHours(), 2, '0') + ':' +
util.pad(rangeStartDate.getMinutes(), 2, '0');
rangeEndDate = rangeEndDate.getDate() + ' ' + util.giveMonth(rangeEndDate) + ' ' +
rangeEndDate.getFullYear() + ' ' + util.pad(rangeEndDate.getHours(), 2, '0') + ':' +
util.pad(rangeEndDate.getMinutes(), 2, '0');
if (firstDateRange) {
if (layer.endDate === undefined) {
rangeEndDate = 'Present';
}
firstDateRange = false;
}
$layerDateRanges.append('<li class="list-group-item">' + rangeStartDate + ' - ' +
rangeEndDate + '</li>');
}
});
$layerDateRangesButton.click(function(e) {
e.preventDefault();
$layerDateWrap.toggleClass('d-none');
$('#wv-layers-info-dialog').perfectScrollbar('update');
});
}

$layerDateRangesButton.click(function(e) {
e.preventDefault();
$layerDateWrap.toggleClass('d-none');
$('#wv-layers-info-dialog').perfectScrollbar('update');
});
}

if (layer.description) {
Expand Down

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