- Updated to a more elegant way of handling break weeks. - Contiguous break weeks are now coalesced into a single break period. - Weeks are now keyed off calendar week number rather than week starting date.

nigel.stanger / Handbook

Browse code - Updated to a more elegant way of handling break weeks. - Contiguous break weeks are now coalesced into a single break period. - Weeks are now keyed off calendar week number rather than week starting date. master
1 parent 7686ce2 commit ff5046bdc8298fbeb11f49f307e2224c3a1e42f2 nstanger authored on 12 Jun 2012

Patch

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Ignore Space Show notes View calendar/generate_calendar.php
<?php /* File: $Id$ This script generates a LaTeX include file that contains macros specifying the date ranges for every week of the three main teaching periods through the year (i.e., summer school, first semester, second semester). Simply set the configuration as outlined below and run the script, saving the output in a suitable location, ideally only once for all papers. A good spot would be somewhere in the TeX search path. / // LaTeX macro names can't include numbers, so we have to convert them to words. include( "Numbers/Words.php" ); / Teaching period configuration. It's easily extensible to a new teaching period simply by adding a new specification for that period. The key should be valid as a LaTeX macro name (i.e., no spaces, no digits, no punctuation). The components of each period specification are: start_date: The date of the first day of the first week of the period. num_weeks: The total number of weeks in the period, /including/ any breaks (e.g., 13 teaching weeks plus 1 week mid-semester break = 14 weeks). break_weeks: A list of breaks that occur during the teaching period. Each is specified by the start (break_start) and end (break_end) week. If a break is only one week long, then break_start and break_end should be equal. If there are no breaks in the teaching period, include a single break specification with both break_start and break_end set to zero. The list should ideally be in ascending order, but the script doesn't assume this and sorts the list anyway. Weeks are numbered by absolute calendar week number (i.e., week 1 is the first calendar week of the year). The date of the first Monday of the year is stored in $first_monday below (everything is Monday-indexed). / $first_monday = new DateTime( "2012-01-02" ); $periods = array( 'SummerSchool' => array( 'first_week' => 2, 'last_week' => 7, 'break_weeks' => array( array( 'break_starts' => 0, 'break_ends' => 0, ), ), ), 'SemesterOne' => array( 'first_week' => 9, 'last_week' => 22, 'break_weeks' => array( array( 'break_starts' => 15, 'break_ends' => 15, ), ), ), 'SemesterTwo' => array( 'first_week' => 28, 'last_week' => 41, 'break_weeks' => array( array( 'break_starts' => 35, 'break_ends' => 35, ), ), ), 'FullYear' => array( 'first_week' => 9, 'last_week' => 41, 'break_weeks' => array( array( 'break_starts' => 23, 'break_ends' => 27, ), array( 'break_starts' => 15, 'break_ends' => 15, ), array( 'break_starts' => 35, 'break_ends' => 35, ), ), ), ); // A couple of handy date intervals: four days to the end of the current week, // and seven days to the start of next week. $plus_four_days = new DateInterval( 'P4D' ); $plus_seven_days = new DateInterval( 'P7D' ); $numwords = new Numbers_Words(); foreach ( $periods as $period_name => $period_data ) { $week_start = clone( $first_monday ); // Jump forward the correct number of weeks to the start of the teaching period. $week_start->add( new DateInterval( sprintf( "P%dD", ( $period_data['first_week'] - 1 ) 7 ) ) ); $week_number = 0; $num_breaks = 0; // Grab the first break week off the front of the list. sort( $period_data['break_weeks'] ); $break_week = array_shift( $period_data['break_weeks'] ); for ( $week = $period_data['first_week']; $week <= $period_data['last_week']; $week++ ) { $week_end = clone( $week_start ); $week_end->add( $plus_four_days ); // Handle break weeks. if ( ( $week >= $break_week['break_starts'] ) && ( $week <= $break_week['break_ends'] ) ) { if ( $week == $break_week['break_starts'] ) { $num_breaks++; // Work out the end date of the break. $break_end = clone( $week_start ); // Note: +4 days to get to Friday. $break_end->add( new DateInterval( sprintf( "P%dD", ( ( $break_week['break_ends'] - $break_week['break_starts'] ) * 7 ) + 4 ) ) ); // Output macro for inclusion in paper calendar. printf( "\\newcommand{\\%sBreak%s}{%s--%s}\n", $period_name, ucfirst( $numwords->toWords( $num_breaks ) ), // If the week start and end dates are in the same month, we only // need to output the month name once. ( $week_start->format( 'n' ) == $break_end->format( 'n' ) ) ? $week_start->format( 'j' ) : $week_start->format( 'j M' ), $break_end->format( 'j M' ) ); } // if current week == first week of break if ( $week == $break_week['break_ends'] ) { // Grab the next break week off the front of the list. $break_week = array_shift( $period_data['break_weeks'] ); } // if current week == last week of break } // if current week is a break week else { $week_number++; // If the week start and end dates are in the same month, we only // need to output the month name once. if ( $week_start->format( 'n' ) == $week_end->format( 'n' ) ) { // Output macro for inclusion in paper calendar. printf( "\\newcommand{\\%sWeek%s}{%s--%s \\\\ %s}\n", $period_name, ucfirst( $numwords->toWords( $week_number ) ), $week_start->format( 'j' ), $week_end->format( 'j' ), $week_end->format( 'M' ) ); } // if same month else { // Output macro for inclusion in paper calendar. printf( "\\newcommand{\\%sWeek%s}{%s \\\\ --%s}\n", $period_name, ucfirst( $numwords->toWords( $week_number ) ), $week_start->format( 'j M' ), $week_end->format( 'j M' ) ); } // else different months } // else normal teaching week $week_start->add( $plus_seven_days ); } // for each week } // foreach teaching period ?> <?php /* File: $Id$ This script generates a LaTeX include file that contains macros specifying the date ranges for every week of the three main teaching periods through the year (i.e., summer school, first semester, second semester). Simply set the configuration as outlined below and run the script, saving the output in a suitable location, ideally only once for all papers. A good spot would be somewhere in the TeX search path. / // LaTeX macro names can't include numbers, so we have to convert them to words. include( "Numbers/Words.php" ); / Teaching period configuration. It's easily extensible to a new teaching period simply by adding a new specification for that period. The key should be valid as a LaTeX macro name (i.e., no spaces, no digits, no punctuation). The components of each period specification are: start_date: The date of the first day of the first week of the period. num_weeks: The total number of weeks in the period, /including/ any breaks (e.g., 13 teaching weeks plus 1 week mid-semester break = 14 weeks). break_week: A list of week numbers in which breaks from teaching occur. The list should ideally be in ascending order, but the script doesn't assume this and sorts the list anyway. The week number of a break is relative to num_weeks, so if a break week falls after the sixth then that week is week number 7. The numbering of teaching weeks will skip the break weeks regardless. If there are no breaks in the period, then set this to an empty array. Note that we aren't clever about coalescing contiguous weeks. For example, if weeks 7 and 8 are indicated as break weeks, a separate macro will be output for each week, not one covering both weeks. It's probably technically feasible, but not really worth the extra work :). */ $periods = array( 'SummerSchool' => array( 'start_date' => new DateTime( "2012-01-09" ), 'num_weeks' => 6, 'break_weeks' => array(), ), 'SemesterOne' => array( 'start_date' => new DateTime( "2012-02-27" ), 'num_weeks' => 14, 'break_weeks' => array( 7 ), ), 'SemesterTwo' => array( 'start_date' => new DateTime( "2012-07-09" ), 'num_weeks' => 14, 'break_weeks' => array( 8 ), ), ); // A couple of handy date intervals: four days to the end of the current week, // and seven days to the start of next week. $plus_four_days = new DateInterval( 'P4D' ); $plus_seven_days = new DateInterval( 'P7D' ); $numwords = new Numbers_Words(); foreach ( $periods as $period_name => $period_data ) { $week_start = clone( $period_data['start_date'] ); // We need to adjust the teaching week number according to the number // of break weeks that we've processed. $break_adjustment therefore // effectively stores the count of break weeks processed so far. $break_adjustment = 0; // Grab the first break week off the front of the list. sort( $period_data['break_weeks'] ); $break_week = array_shift( $period_data['break_weeks'] ); for ( $week = 1; $week <= $period_data['num_weeks']; $week++ ) { $week_end = clone( $week_start ); $week_end->add( $plus_four_days ); // If the week start and end dates are in the same month, we only // need to output the month name once. $same_month = $week_start->format( 'n' ) == $week_end->format( 'n' ); // Handle break weeks. if ( $week == $break_week ) { // Increment this first before doing anything else, because we use // it to generate a macro name for this break, and we want the // macro numbering to start from one, not zero. $break_adjustment++; // Output macro for inclusion in paper calendar. printf( "\\newcommand{\\%sBreak%s}{%s--%s}\n", $period_name, ucfirst( $numwords->toWords( $break_adjustment ) ), ( $same_month ) ? $week_start->format( 'j' ) : $week_start->format( 'j M' ), $week_end->format( 'j M' ) ); // Grab the next break week off the front of the list. $break_week = array_shift( $period_data['break_weeks'] ); } // if break week else { $week_number = $week - $break_adjustment; if( $same_month ) { // Output macro for inclusion in paper calendar. printf( "\\newcommand{\\%sWeek%s}{%s--%s \\\\ %s}\n", $period_name, ucfirst( $numwords->toWords( $week_number ) ), $week_start->format( 'j' ), $week_end->format( 'j' ), $week_end->format( 'M' ) ); } // if same month else { // Output macro for inclusion in paper calendar. printf( "\\newcommand{\\%sWeek%s}{%s \\\\ --%s}\n", $period_name, ucfirst( $numwords->toWords( $week_number ) ), $week_start->format( 'j M' ), $week_end->format( 'j M' ) ); } // else different months } // else normal teaching week $week_start->add( $plus_seven_days ); } // for each week } // foreach teaching period ?>

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calendar/generate_calendar.php

<?php

/*
	File: $Id$
	
	This script generates a LaTeX include file that contains macros specifying
	the date ranges for every week of the three main teaching periods through
	the year (i.e., summer school, first semester, second semester). Simply set
	the configuration as outlined below and run the script, saving the output
	in a suitable location, ideally only once for all papers. A good spot would
	be somewhere in the TeX search path.
*/

// LaTeX macro names can't include numbers, so we have to convert them to words.
include( "Numbers/Words.php" );

/*
	Teaching period configuration. It's easily extensible to a new teaching
	period simply by adding a new specification for that period. The key should
	be valid as a LaTeX macro name (i.e., no spaces, no digits, no punctuation).
	The components of each period specification are:
	
	start_date:		The date of the first day of the first week of the period.
		
	num_weeks:		The total number of weeks in the period, /including/ any
					breaks (e.g., 13 teaching weeks plus 1 week mid-semester
					break = 14 weeks).
		
	break_weeks:	A list of breaks that occur during the teaching period.
					Each is specified by the start (break_start) and end
					(break_end) week. If a break is only one week long, then
					break_start and break_end should be equal. If there are no
					breaks in the teaching period, include a single break
					specification with both break_start and break_end set to zero.
					
					The list should ideally be in ascending order, but the
					script doesn't assume this and sorts the list anyway. Weeks
					are numbered by absolute calendar week number (i.e., week
					1 is the first calendar week of the year). The date of the
					first Monday of the year is stored in $first_monday below
					(everything is Monday-indexed).
*/
$first_monday = new DateTime( "2012-01-02" );

$periods = array(
	'SummerSchool' => array(
		'first_week'  => 2,
		'last_week'   => 7,
		'break_weeks' => array(
			array(
		    	'break_starts' => 0,
		        'break_ends'  => 0,
		    ),
		),
	),
	'SemesterOne' => array(
		'first_week'  => 9,
		'last_week'   => 22,
		'break_weeks' => array(
			array(
		    	'break_starts' => 15,
		        'break_ends'  => 15,
		    ),
		),
	),
	'SemesterTwo' => array(
		'first_week'  => 28,
		'last_week'   => 41,
		'break_weeks' => array(
			array(
		    	'break_starts' => 35,
		        'break_ends'  => 35,
		    ),
		),
	),
	'FullYear' => array(
		'first_week'  => 9,
		'last_week'   => 41,
		'break_weeks' => array(
			array(
		    	'break_starts' => 23,
		        'break_ends'  => 27,
		    ),
			array(
		    	'break_starts' => 15,
		        'break_ends'  => 15,
		    ),
			array(
		    	'break_starts' => 35,
		        'break_ends'  => 35,
		    ),
		),
	),
);

// A couple of handy date intervals: four days to the end of the current week,
// and seven days to the start of next week.
$plus_four_days = new DateInterval( 'P4D' );
$plus_seven_days = new DateInterval( 'P7D' );

$numwords = new Numbers_Words();

foreach ( $periods as $period_name => $period_data )
{
	$week_start = clone( $first_monday );
	// Jump forward the correct number of weeks to the start of the teaching period.
	$week_start->add( new DateInterval( sprintf( "P%dD", ( $period_data['first_week'] - 1 ) * 7 ) ) );
	
	$week_number = 0;
	$num_breaks = 0;
	
	// Grab the first break week off the front of the list.
	sort( $period_data['break_weeks'] );
	$break_week = array_shift( $period_data['break_weeks'] );
	
	for ( $week = $period_data['first_week']; $week <= $period_data['last_week']; $week++ )
	{
		$week_end = clone( $week_start );
		$week_end->add( $plus_four_days );
		
		// Handle break weeks.
		if ( ( $week >= $break_week['break_starts'] ) && ( $week <= $break_week['break_ends'] ) )
		{
			if ( $week == $break_week['break_starts'] )
			{
				$num_breaks++;
				
				// Work out the end date of the break.
				$break_end = clone( $week_start );
				// Note: +4 days to get to Friday.
				$break_end->add(
					new DateInterval(
						sprintf( "P%dD",  ( ( $break_week['break_ends'] - $break_week['break_starts'] ) * 7 ) + 4 )
					)
				);
				
				// Output macro for inclusion in paper calendar.
				printf(	"\\newcommand{\\%sBreak%s}{%s--%s}\n",
					$period_name,
					ucfirst( $numwords->toWords( $num_breaks ) ),
					// If the week start and end dates are in the same month, we only
					// need to output the month name once.
					( $week_start->format( 'n' ) == $break_end->format( 'n' ) ) ? $week_start->format( 'j' ) : $week_start->format( 'j M' ),
					$break_end->format( 'j M' )
				);
			} // if current week == first week of break
			
			if ( $week == $break_week['break_ends'] )
			{
				// Grab the next break week off the front of the list.
				$break_week = array_shift( $period_data['break_weeks'] );
			} // if current week == last week of break
		} // if current week is a break week
		else
		{
			$week_number++;
			
			// If the week start and end dates are in the same month, we only
			// need to output the month name once.
			if ( $week_start->format( 'n' ) == $week_end->format( 'n' ) )
			{
				// Output macro for inclusion in paper calendar.
				printf(	"\\newcommand{\\%sWeek%s}{%s--%s \\\\ %s}\n",
					$period_name,
					ucfirst( $numwords->toWords( $week_number ) ),
					$week_start->format( 'j' ),
					$week_end->format( 'j' ),
					$week_end->format( 'M' )
				);
			} // if same month
			else
			{
				// Output macro for inclusion in paper calendar.
				printf(	"\\newcommand{\\%sWeek%s}{%s \\\\ --%s}\n",
					$period_name,
					ucfirst( $numwords->toWords( $week_number ) ),
					$week_start->format( 'j M' ),
					$week_end->format( 'j M' )
				);
			} // else different months
		} // else normal teaching week
		
		$week_start->add( $plus_seven_days );
	} // for each week
} // foreach teaching period

<?php

// LaTeX macro names can't include numbers, so we have to convert them to words.
include( "Numbers/Words.php" );

/*
	Teaching period configuration. It's easily extensible to a new teaching
	period simply by adding a new specification for that period. The key should
	be valid as a LaTeX macro name (i.e., no spaces, no digits, no punctuation).
	The components of each period specification are:
	
		start_date:	The date of the first day of the first week of the period.
		
		num_weeks:	The total number of weeks in the period, /including/ any
					breaks (e.g., 13 teaching weeks plus 1 week mid-semester
					break = 14 weeks).
		
		break_week:	A list of week numbers in which breaks from teaching occur.
					The list should ideally be in ascending order, but the
					script doesn't assume this and sorts the list anyway. The
					week number of a break is relative to num_weeks, so if a
					break week falls after the sixth then that week is week
					number 7. The numbering of teaching weeks will skip the
					break weeks regardless. If there are no breaks in the
					period, then set this to an empty array.
					
					Note that we aren't clever about coalescing contiguous
					weeks. For example, if weeks 7 and 8 are indicated as break
					weeks, a separate macro will be output for each week, not
					one covering both weeks. It's probably technically feasible,
					but not really worth the extra work :).
*/
$periods = array(
	'SummerSchool' => array(
		'start_date'  => new DateTime( "2012-01-09" ),
		'num_weeks'   => 6,
		'break_weeks' => array(),
	),
	'SemesterOne' => array(
		'start_date'  => new DateTime( "2012-02-27" ),
		'num_weeks'   => 14,
		'break_weeks' => array( 7 ),
	),
	'SemesterTwo' => array(
		'start_date'  => new DateTime( "2012-07-09" ),
		'num_weeks'   => 14,
		'break_weeks' => array( 8 ),
	),
);

$numwords = new Numbers_Words();

foreach ( $periods as $period_name => $period_data )
{
	$week_start = clone( $period_data['start_date'] );
	
	// We need to adjust the teaching week number according to the number
	// of break weeks that we've processed. $break_adjustment therefore
	// effectively stores the count of break weeks processed so far.
	$break_adjustment = 0;
	
	// Grab the first break week off the front of the list.
	sort( $period_data['break_weeks'] );
	$break_week = array_shift( $period_data['break_weeks'] );
	
	for ( $week = 1; $week <= $period_data['num_weeks']; $week++ )
	{
		$week_end = clone( $week_start );
		$week_end->add( $plus_four_days );
		
		// If the week start and end dates are in the same month, we only
		// need to output the month name once.
		$same_month = $week_start->format( 'n' ) == $week_end->format( 'n' );
		
		// Handle break weeks.
		if ( $week == $break_week )
		{
			// Increment this first before doing anything else, because we use
			// it to generate a macro name for this break, and we want the
			// macro numbering to start from one, not zero.
			$break_adjustment++;
			
			// Output macro for inclusion in paper calendar.
			printf(	"\\newcommand{\\%sBreak%s}{%s--%s}\n",
				$period_name,
				ucfirst( $numwords->toWords( $break_adjustment ) ),
				( $same_month ) ? $week_start->format( 'j' ) : $week_start->format( 'j M' ),
				$week_end->format( 'j M' )
			);
			
			// Grab the next break week off the front of the list.
			$break_week = array_shift( $period_data['break_weeks'] );
		} // if break week
		else
		{
			$week_number = $week - $break_adjustment;
			
			if( $same_month )
			{
				// Output macro for inclusion in paper calendar.
				printf(	"\\newcommand{\\%sWeek%s}{%s--%s \\\\ %s}\n",
					$period_name,
					ucfirst( $numwords->toWords( $week_number ) ),
					$week_start->format( 'j' ),
					$week_end->format( 'j' ),
					$week_end->format( 'M' )
				);
			} // if same month
			else
			{
				// Output macro for inclusion in paper calendar.
				printf(	"\\newcommand{\\%sWeek%s}{%s \\\\ --%s}\n",
					$period_name,
					ucfirst( $numwords->toWords( $week_number ) ),
					$week_start->format( 'j M' ),
					$week_end->format( 'j M' )
				);
			} // else different months
		} // else normal teaching week
		
		$week_start->add( $plus_seven_days );
	} // for each week
} // foreach teaching period

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