1 | var setupDefaults = require('./setupDefaults')
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2 |
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3 | var helperGetDateTime = require('./helperGetDateTime')
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4 | var helperNewDate = require('./helperNewDate')
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5 |
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6 | var toStringDate = require('./toStringDate')
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7 |
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8 | var isValidDate = require('./isValidDate')
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9 |
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10 |
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11 |
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12 |
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13 |
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14 |
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15 |
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16 |
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17 |
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18 | function getDateDiff (startDate, endDate, rules) {
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19 | var startTime, endTime, item, diffTime, rule, len, index
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20 | var result = { done: false, time: 0 }
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21 | startDate = toStringDate(startDate)
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22 | endDate = endDate ? toStringDate(endDate) : helperNewDate()
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23 | if (isValidDate(startDate) && isValidDate(endDate)) {
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24 | startTime = helperGetDateTime(startDate)
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25 | endTime = helperGetDateTime(endDate)
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26 | if (startTime < endTime) {
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27 | diffTime = result.time = endTime - startTime
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28 | rule = rules && rules.length > 0 ? rules : setupDefaults.dateDiffRules
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29 | result.done = true
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30 | for (index = 0, len = rule.length; index < len; index++) {
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31 | item = rule[index]
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32 | if (diffTime >= item[1]) {
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33 | if (index === len - 1) {
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34 | result[item[0]] = diffTime || 0
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35 | } else {
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36 | result[item[0]] = Math.floor(diffTime / item[1])
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37 | diffTime -= result[item[0]] * item[1]
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38 | }
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39 | } else {
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40 | result[item[0]] = 0
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41 | }
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42 | }
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43 | }
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44 | }
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45 | return result
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46 | }
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47 |
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48 | module.exports = getDateDiff
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