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<?php |
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namespace marsapp\helper\timeperiod\classes; |
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use marsapp\helper\timeperiod\classes\Base; |
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use marsapp\helper\timeperiod\classes\DataProcess; |
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/** |
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* Logical Process for Time Period Helper |
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* |
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* @author Mars Hung <[email protected]> |
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* @see https://github.com/marshung24/TimePeriodHelper |
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*/ |
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class LogicalProcess extends Base |
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{ |
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/** |
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* ************************************************ |
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* ************** Operation Function ************** |
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* ************************************************ |
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*/ |
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/** |
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* Union one or more time periods |
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* |
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* 1. Sort and merge one or more time periods with contacts |
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* 2. TimePeriodHelper::union($timePeriods1, $timePeriods2, $timePeriods3, ......); |
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* |
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* @param array $timePeriods |
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* @return array |
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*/ |
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public static function union() |
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{ |
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$opt = []; |
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// Combine and sort |
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$merge = call_user_func_array('array_merge', func_get_args()); |
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$merge = DataProcess::sort($merge); |
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if (empty($merge)) { |
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return $opt; |
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} |
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$tmp = array_shift($merge); |
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foreach ($merge as $k => $tp) { |
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if ($tp[0] > $tmp[1]) { |
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// Got it, and set next. |
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$opt[] = $tmp; |
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$tmp = $tp; |
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} elseif ($tp[1] > $tmp[1]) { |
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// Extend end time |
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$tmp[1] = $tp[1]; |
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} |
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} |
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$opt[] = $tmp; |
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return $opt; |
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} |
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/** |
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* Computes the difference of time periods |
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* |
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* 1. Compares $timePeriods1 against $timePeriods2 and returns the values in $timePeriods1 that are not present in $timePeriods2. |
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* 2. e.g. TimePeriodHelper::diff($timePeriods1, $timePeriods2); |
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* 3. Whether $timePeriods is sorted out will affect the correctness of the results. Please refer to Note 5. Ensure performance by keeping the $timePeriods format correct. |
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* |
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* @param array $timePeriods1 |
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* @param array $timePeriods2 |
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* @param bool $sortOut Whether the input needs to be rearranged. Value: true, false, 'default'. If it is 'default', see getSortOut() |
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* @return array |
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*/ |
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public static function diff(array $timePeriods1, array $timePeriods2, $sortOut = 'default') |
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{ |
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/*** Arguments prepare ***/ |
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// Subject or pattern is empty, do nothing |
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if (empty($timePeriods1) || empty($timePeriods2)) { |
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return $timePeriods1; |
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} |
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// Data sorting out |
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self::dataSortOut($sortOut, $timePeriods1, $timePeriods2); |
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$opt = []; |
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foreach ($timePeriods1 as $k1 => $ori) { |
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foreach ($timePeriods2 as $ko => $sub) { |
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if ($sub[1] <= $ori[0]) { |
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// No overlap && Passed: --sub0--sub1--ori0--ori1-- |
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unset($timePeriods2[$ko]); |
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continue; |
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} elseif ($ori[1] <= $sub[0]) { |
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// No overlap: --ori0--ori1--sub0--sub1-- |
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continue; |
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} elseif ($sub[0] <= $ori[0] && $ori[1] <= $sub[1]) { |
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// Subtract all: --sub0--ori0--ori1--sub1-- |
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$ori = []; |
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break; |
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} elseif ($ori[0] < $sub[0] && $sub[1] < $ori[1]) { |
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// Delete internal: --ori0--sub0--sub1--ori1-- |
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$opt[] = [$ori[0], $sub[0]]; |
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$ori = [$sub[1], $ori[1]]; |
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//} elseif ($sub[0] <= $ori[0] && $sub[1] <= $ori[1]) { // Complete condition |
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} elseif ($sub[0] <= $ori[0]) { // Equivalent condition |
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// Delete overlap: --sub0--ori0--sub1--ori1-- |
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$ori = [$sub[1], $ori[1]]; |
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//} elseif ($ori[0] <= $sub[0] && $ori[1] <= $sub[1]) { // Complete condition |
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//} elseif ($ori[1] <= $sub[1]) { // Equivalent condition |
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} else { // Equivalent condition |
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// Delete overlap: --ori0--sub0--ori1--sub1-- |
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$ori = [$ori[0], $sub[0]]; |
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} |
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} |
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// All No overlap |
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if (!empty($ori)) { |
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$opt[] = $ori; |
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} |
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} |
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return $opt; |
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} |
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/** |
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* Computes the intersection of time periods |
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* |
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* 1. e.g. TimePeriodHelper::intersect($timePeriods1, $timePeriods2); |
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* 2. Whether $timePeriods is sorted out will affect the correctness of the results. Please refer to Note 5. Ensure performance by keeping the $timePeriods format correct. |
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* |
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* @param array $timePeriods1 |
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* @param array $timePeriods2 |
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* @param bool $sortOut Whether the input needs to be rearranged. Value: true, false, 'default'. If it is 'default', see getSortOut() |
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* @return array |
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*/ |
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public static function intersect(array $timePeriods1, array $timePeriods2, $sortOut = 'default') |
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{ |
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// Subject or pattern is empty, do nothing |
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if (empty($timePeriods1) || empty($timePeriods2)) { |
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return []; |
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} |
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// Data sorting out |
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self::dataSortOut($sortOut, $timePeriods1, $timePeriods2); |
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$opt = []; |
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foreach ($timePeriods1 as $k1 => $ori) { |
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foreach ($timePeriods2 as $ko => $sub) { |
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if ($sub[1] <= $ori[0]) { |
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// No overlap && Passed: --sub0--sub1--ori0--ori1-- |
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unset($timePeriods2[$ko]); |
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continue; |
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} elseif ($ori[1] <= $sub[0]) { |
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// No overlap: --ori0--ori1--sub0--sub1-- |
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continue; |
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} elseif ($sub[0] <= $ori[0] && $ori[1] <= $sub[1]) { |
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// Subtract all: --sub0--ori0--ori1--sub1-- |
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$opt[] = [$ori[0], $ori[1]]; |
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break; |
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} elseif ($ori[0] < $sub[0] && $sub[1] < $ori[1]) { |
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// Delete internal: --ori0--sub0--sub1--ori1-- |
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$opt[] = [$sub[0], $sub[1]]; |
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$ori = [$sub[1], $ori[1]]; |
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//} elseif ($sub[0] <= $ori[0] && $sub[1] <= $ori[1]) { // Complete condition |
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} elseif ($sub[0] <= $ori[0]) { // Equivalent condition |
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// Delete overlap: --sub0--ori0--sub1--ori1-- |
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$opt[] = [$ori[0], $sub[1]]; |
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$ori = [$sub[1], $ori[1]]; |
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//} elseif ($ori[0] <= $sub[0] && $ori[1] <= $sub[1]) { // Complete condition |
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//} elseif ($ori[1] <= $sub[1]) { // Equivalent condition |
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} else { // Equivalent condition |
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// Delete overlap: --ori0--sub0--ori1--sub1-- |
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$opt[] = [$sub[0], $ori[1]]; |
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break; |
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} |
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} |
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} |
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return $opt; |
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} |
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/** |
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* Time period is overlap |
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* |
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* 1. Determine if there is overlap between the two time periods |
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* 2. Only when there is no intersection, no data is needed. |
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* 3. Logic is similar to intersect. |
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* |
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* @param array $timePeriods1 |
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* @param array $timePeriods2 |
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* @return bool |
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*/ |
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public static function isOverlap(array $timePeriods1, array $timePeriods2) |
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{ |
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// Subject or pattern is empty, do nothing |
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if (empty($timePeriods1) || empty($timePeriods2)) { |
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return false; |
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} |
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foreach ($timePeriods1 as $k1 => $ori) { |
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foreach ($timePeriods2 as $ko => $sub) { |
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if ($sub[1] <= $ori[0]) { |
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// No overlap && Passed: --sub0--sub1--ori0--ori1-- |
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unset($timePeriods2[$ko]); |
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continue; |
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} elseif ($ori[1] <= $sub[0]) { |
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// No overlap: --ori0--ori1--sub0--sub1-- |
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continue; |
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} elseif ($sub[0] <= $ori[0] && $ori[1] <= $sub[1]) { |
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// Subtract all: --sub0--ori0--ori1--sub1-- |
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return true; |
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} elseif ($ori[0] < $sub[0] && $sub[1] < $ori[1]) { |
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// Delete internal: --ori0--sub0--sub1--ori1-- |
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return true; |
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//} elseif ($sub[0] <= $ori[0] && $sub[1] <= $ori[1]) { // Complete condition |
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} elseif ($sub[0] <= $ori[0]) { // Equivalent condition |
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// Delete overlap: --sub0--ori0--sub1--ori1-- |
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return true; |
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//} elseif ($ori[0] <= $sub[0] && $ori[1] <= $sub[1]) { // Complete condition |
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//} elseif ($ori[1] <= $sub[1]) { // Equivalent condition |
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} else { // Equivalent condition |
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// Delete overlap: --ori0--sub0--ori1--sub1-- |
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return true; |
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} |
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} |
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} |
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return false; |
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} |
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/** |
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* The time period is in contact with the specified time (time period) |
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* |
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* @param array $timePeriods |
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* @param string $sDateTime |
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* @param string $eDateTime |
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* @param string $sortOut |
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* @return array |
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*/ |
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public static function contact(array $timePeriods, $sDateTime, $eDateTime = null, $sortOut = 'default') |
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{ |
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// Subject is empty, do nothing |
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if (empty($timePeriods)) { |
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return []; |
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} |
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// Data sorting out |
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self::dataSortOut($sortOut, $timePeriods); |
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// Set $eDateTime |
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$eDateTime = $eDateTime ?: $sDateTime; |
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$sTime = min($sDateTime, $eDateTime); |
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$eTime = max($sDateTime, $eDateTime); |
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// Get Contact time periods |
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$opt = []; |
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foreach ($timePeriods as $k => $tp) { |
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if ($eTime <= $tp[0]) { |
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// No overlap && Passed: --$sTime--$eTime--$tp0--$tp1-- |
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if ($sTime == $tp[0]) { |
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// But |
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$opt[] = $tp; |
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} |
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} elseif ($tp[1] <= $sTime) { |
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// No overlap: --$tp0--$tp1--$sTime--$eTime-- |
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} else { |
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// Overlap |
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$opt[] = $tp; |
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} |
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} |
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return $opt; |
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} |
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/** |
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* Time period greater than the specified time |
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* |
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* @param array $timePeriods |
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* @param string $refDatetime |
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* @param string $intactTime |
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* @param string $sortOut |
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* @return array |
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*/ |
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public static function greaterThan(array $timePeriods, $refDatetime, $intactTime = true, $sortOut = 'default') |
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{ |
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// Subject is empty, do nothing |
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if (empty($timePeriods)) { |
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return []; |
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} |
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// Data sorting out |
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self::dataSortOut($sortOut, $timePeriods); |
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// Get Contact time periods |
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$opt = []; |
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foreach ($timePeriods as $k => $tp) { |
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if ($intactTime) { |
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// Time period is intact |
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if ($tp[0] >= $refDatetime) { |
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$opt[] = $tp; |
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} |
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} else { |
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// Time period not intact |
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if ($tp[1] > $refDatetime) { |
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$opt[] = $tp; |
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} |
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} |
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} |
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return $opt; |
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} |
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309
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/** |
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310
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* Time period less than the specified time |
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311
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* |
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312
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* @param array $timePeriods |
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313
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* @param string $refDatetime |
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314
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* @param string $intactTime |
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315
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* @param string $sortOut |
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316
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* @return array |
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317
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*/ |
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318
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public static function lessThan(array $timePeriods, $refDatetime, $intactTime = true, $sortOut = 'default') |
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319
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{ |
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320
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// Subject is empty, do nothing |
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321
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if (empty($timePeriods)) { |
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322
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return []; |
|
323
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} |
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324
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325
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// Data sorting out |
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326
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self::dataSortOut($sortOut, $timePeriods); |
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327
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328
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// Get Contact time periods |
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329
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$opt = []; |
|
330
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foreach ($timePeriods as $k => $tp) { |
|
331
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if ($intactTime) { |
|
332
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// Time period is intact |
|
333
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if ($tp[1] <= $refDatetime) { |
|
334
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$opt[] = $tp; |
|
335
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} |
|
336
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} else { |
|
337
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// Time period not intact |
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338
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if ($tp[0] < $refDatetime) { |
|
339
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$opt[] = $tp; |
|
340
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|
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} |
|
341
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|
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} |
|
342
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|
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} |
|
343
|
|
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|
|
344
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|
|
return $opt; |
|
345
|
|
|
} |
|
346
|
|
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|
|
347
|
|
|
/** |
|
348
|
|
|
* ******************************************** |
|
349
|
|
|
* ************** Tools Function ************** |
|
350
|
|
|
* ******************************************** |
|
351
|
|
|
*/ |
|
352
|
|
|
|
|
353
|
|
|
/** |
|
354
|
|
|
* Data sorting out |
|
355
|
|
|
* |
|
356
|
|
|
* @param string|bool $sortOut |
|
357
|
|
|
* @param array $timePeriods1 |
|
358
|
|
|
* @param array|null $timePeriods2 |
|
359
|
|
|
* @return void |
|
360
|
|
|
*/ |
|
361
|
|
|
public static function dataSortOut(&$sortOut, &$timePeriods1, &$timePeriods2 = null) |
|
362
|
|
|
{ |
|
363
|
|
|
// Data sorting out |
|
364
|
|
|
$sortOut = $sortOut === 'default' ? self::getSortOut() : !!$sortOut; |
|
365
|
|
|
if ($sortOut) { |
|
366
|
|
|
$timePeriods1 = self::union($timePeriods1); |
|
367
|
|
|
if (!is_null($timePeriods2)) { |
|
368
|
|
|
$timePeriods2 = self::union($timePeriods2); |
|
369
|
|
|
} |
|
370
|
|
|
} |
|
371
|
|
|
} |
|
372
|
|
|
} |
|
373
|
|
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|
marshung24 /
TimePeriodHelper
