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95 lines
2.3 KiB
95 lines
2.3 KiB
// ------------------------------------------------------------------------
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// Project atila
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// Active Thing (activething.com) git.activething.com/go
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//
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// File name date_days_range.go
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// Created by DEV
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// Modified 21/02/2024
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//
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// Copyright 2024 activething.com
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// ------------------------------------------------------------------------
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// ------------------------------------------------------------------------
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package dates
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type (
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DateDaysRange struct {
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Start DateDays
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End DateDays
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}
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DateDaysRangeFnc func(daysRange *DateDaysRange)
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)
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func NewDateRange (options ...DateDaysRangeFnc) *DateDaysRange {
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dr := &DateDaysRange{}
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for _,o := range options {
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o(dr)
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}
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return dr
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}
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func (r DateDaysRange) IsZero () bool {
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return r.End-r.Start <= 0 }
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func (r DateDaysRange) Size () DateDays {
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return DateDays(r.End -r.Start) }
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func (r DateDaysRange) Contains (days DateDays) bool {
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if r.IsZero() {
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return false }
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return r.Start < days && r.End > days
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}
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func (r DateDaysRange) ContainsRange (drange DateDaysRange) bool {
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if r.IsZero() {
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return false }
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return r.Start > drange.Start && r.End < drange.End
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}
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func (r DateDaysRange) IsRangeOverlap (drange DateDaysRange) bool {
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if r.IsZero() {
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return false }
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if r.Start == drange.Start || r.Start == drange.End || r.End == drange.End {
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return true }
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if r.Start > drange.Start {
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return drange.End < r.End
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}
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return r.End > drange.Start
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}
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/*
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::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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I HAVE NO DESIRE TO WALK ON WATER," SAID SIDDHARTA.
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"LET THE OLD SHRAMANAS SATISFY THEMSELVES WITH SUCH SKILLS.
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SIDDHARTA
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- HERMANN HESSE -
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:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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*/
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