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Basic relative date converter implemented #187

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Basic relative date converter implemented
jeffrey-chi Nov 16, 2024
3e7f02c
Merge pull request #186 from SFDO-Community/main
jeffrey-chi Nov 16, 2024
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298 changes: 298 additions & 0 deletions force-app/main/default/classes/DateUtility.cls
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/**
* @description : Utility Class for processing Indicator Date conditions
* @author : jeffrey-chi
* @created date : 11/15/24
**/
public with sharing class DateUtility {
public class DateConversionException extends Exception {}

/**
* @description : A Relative Date converter based off the Relative Dates found in
* https://help.salesforce.com/s/articleView?id=sf.filter_dates_relative.htm&type=5
* @author : jeffrey-chi
* @created date : 11/15/24
* @param relativeDate The Relative Date to be converted according to baseDate.
* @param baseDate The Date that Relative Date will be converted relative to.
* @return The Relative Date as a Date object.
*/
public static Date convertRelativeDate(String relativeDate, Date baseDate) {
String rdt = relativeDate.toLowerCase();
Date convertedDate;

if (rdt.containsAny('tyw')) {
if (rdt == 'yesterday') {
convertedDate = baseDate.addDays(-1);
} else if (rdt == 'today') {
convertedDate = baseDate;
} else if (rdt == 'tomorrow') {
convertedDate = baseDate.addDays(1);
} else {
// DAY
Matcher m = Pattern.compile('^(\\D{0,4})\\s*(\\d{1,9})\\s(days.*)').matcher(rdt);
if (m.matches()) {
switch on m.group(1) {
when 'last' {
convertedDate = baseDate.addDays(Integer.valueOf(m.group(2)) * -1);
} when 'next' {
convertedDate = baseDate.addDays(Integer.valueOf(m.group(2)));
} when '' {
if (m.group(3) != 'days ago') {throw new DateConversionException('Invalid relative day format');}
convertedDate = baseDate.addDays(Integer.valueOf(m.group(2)) * -1);
} when else {
throw new DateConversionException('Invalid relative day format');
}
}
return convertedDate;
}

// WEEK
m = Pattern.compile('^(\\D{0,4})\\s*(\\d{0,9})\\s(week.*)').matcher(rdt);
if (m.matches()) {
switch on m.group(1) {
when 'last' {
convertedDate = (String.isBlank(m.group(2)) ? baseDate.toStartOfWeek().addDays(-7)
: baseDate.toStartOfWeek().addDays(Integer.valueOf(m.group(2)) * -7));
} when 'next' {
convertedDate = (String.isBlank(m.group(2)) ? baseDate.toStartOfWeek().addDays(7)
: baseDate.toStartOfWeek().addDays(Integer.valueOf(m.group(2)) * 7));
} when 'this' {
convertedDate = baseDate.toStartOfWeek();
} when '' {
if (m.group(3) != 'weeks ago') {throw new DateConversionException('Invalid relative week format');}
convertedDate = baseDate.toStartOfWeek().addDays(Integer.valueOf(m.group(2)) * -7);
} when else {
throw new DateConversionException('Invalid relative week format');
}
}
return convertedDate;
}

// MONTH
m = Pattern.compile('^(\\D{0,4})\\s*(\\d{0,9})\\s(month.*)').matcher(rdt);
if (m.matches()) {
switch on m.group(1) {
when 'last' {
convertedDate = (String.isBlank(m.group(2)) ? baseDate.toStartOfMonth().addMonths(-1)
: baseDate.toStartOfMonth().addMonths(Integer.valueOf(m.group(2)) * -1));
} when 'next' {
convertedDate = (String.isBlank(m.group(2)) ? baseDate.toStartOfMonth().addMonths(1)
: baseDate.toStartOfMonth().addMonths(Integer.valueOf(m.group(2))));
} when 'this' {
convertedDate = baseDate.toStartOfMonth();
} when '' {
if (m.group(3) != 'months ago') {throw new DateConversionException('Invalid relative month format');}
convertedDate = baseDate.toStartOfMonth().addMonths(Integer.valueOf(m.group(2)) * -1);
} when else {
throw new DateConversionException('Invalid relative month format');
}
}
return convertedDate;
}

// QUARTER
m = Pattern.compile('^(\\D{0,4})\\s*(\\d{0,9})\\s(quarter.*)').matcher(rdt);
if (m.matches()) {
Integer curQuarter = ((baseDate.month() - 1) / 3) + 1;
Date curQuarterStart = Date.newInstance(baseDate.year(), 1, 1).addMonths((curQuarter - 1) * 3);
switch on m.group(1) {
when 'last' {
convertedDate = (String.isBlank(m.group(2)) ? curQuarterStart.addMonths(-3)
: curQuarterStart.addMonths(Integer.valueOf(m.group(2)) * -3));
} when 'next' {
convertedDate = (String.isBlank(m.group(2)) ? curQuarterStart.addMonths(3)
: curQuarterStart.addMonths(Integer.valueOf(m.group(2)) * 3));
} when 'this' {
convertedDate = curQuarterStart;
} when '' {
if (m.group(3) != 'quarters ago') {throw new DateConversionException('Invalid relative quarter format');}
convertedDate = curQuarterStart.addMonths(Integer.valueOf(m.group(2)) * -3);
} when else {
throw new DateConversionException('Invalid relative quarter format');
}
}
return convertedDate;
}

// YEAR
m = Pattern.compile('^(\\D{0,4})\\s*(\\d{0,9})\\s(year.*)').matcher(rdt);
if (m.matches()) {
Date currentYear = Date.newInstance(baseDate.year(), 1, 1);
switch on m.group(1) {
when 'last' {
convertedDate = (String.isBlank(m.group(2)) ? currentYear.addYears(-1)
: currentYear.addYears(Integer.valueOf(m.group(2)) * -1));
} when 'next' {
convertedDate = (String.isBlank(m.group(2)) ? currentYear.addYears(1)
: currentYear.addYears(Integer.valueOf(m.group(2))));
} when 'this' {
convertedDate = currentYear;
} when '' {
if (m.group(3) != 'years ago') {throw new DateConversionException('Invalid relative year format');}
convertedDate = currentYear.addYears(Integer.valueOf(m.group(2)) * -1);
} when else {
throw new DateConversionException('Invalid relative year format');
}
}
return convertedDate;
}

// TODO: FISCAL YEAR/QUARTER

// Throw error - No format matched
throw new DateConversionException('Invalid relative date format');
}
return convertedDate;
} else {
throw new DateConversionException('Invalid relative date format');
}
}
public static Date convertRelativeDate(String relativeDate) {
return convertRelativeDate(relativeDate, Date.today());
}

/**
* @description : An alternative Relative Date converter based off the Relative Dates found in
* https://developer.salesforce.com/docs/atlas.en-us.soql_sosl.meta/soql_sosl/sforce_api_calls_soql_select_dateformats.htm
* @author : jeffrey-chi
* @created date : 11/15/24
* @param relativeDate The Relative Date to be converted according to baseDate.
* @param baseDate The Date that Relative Date will be converted relative to.
* @return The Relative Date as a Date object.
*/
public static Date convertAltRelativeDate(String relativeDate, Date baseDate) {
String rdt = relativeDate.toLowerCase();
Date convertedDate;

if (rdt.containsAny('tyw')) {
if (rdt == 'yesterday') {
convertedDate = baseDate.addDays(-1);
} else if (rdt == 'today') {
convertedDate = baseDate;
} else if (rdt == 'tomorrow') {
convertedDate = baseDate.addDays(1);
} else {
// DAY
Matcher m = Pattern.compile('^(\\w{0,4}).*_(day[_\\w]*):*(\\d{0,9})').matcher(rdt);
if (m.matches()) {
switch on m.group(1) {
when 'last' {
convertedDate = (String.isBlank(m.group(3)) ? baseDate.addDays(-90)
: baseDate.addDays(Integer.valueOf(m.group(3)) * -1));
} when 'next' {
convertedDate = (String.isBlank(m.group(3)) ? baseDate.addDays(90)
: baseDate.addDays(Integer.valueOf(m.group(3))));
} when 'n' {
if (m.group(2) != 'days_ago') {throw new DateConversionException('Invalid relative day format');}
convertedDate = baseDate.addDays(Integer.valueOf(m.group(3)) * -1);
} when else {
throw new DateConversionException('Invalid relative day format');
}
}
return convertedDate;
}

// WEEK
m = Pattern.compile('^(\\w{0,4}).*_(week[_\\w]*):*(\\d{0,9})').matcher(rdt);
if (m.matches()) {
switch on m.group(1) {
when 'last' {
convertedDate = (String.isBlank(m.group(3)) ? baseDate.toStartOfWeek().addDays(-7)
: baseDate.toStartOfWeek().addDays(Integer.valueOf(m.group(3)) * -7));
} when 'next' {
convertedDate = (String.isBlank(m.group(3)) ? baseDate.toStartOfWeek().addDays(7)
: baseDate.toStartOfWeek().addDays(Integer.valueOf(m.group(3)) * 7));
} when 'this' {
convertedDate = baseDate.toStartOfWeek();
} when 'n' {
if (m.group(2) != 'weeks_ago') {throw new DateConversionException('Invalid relative week format');}
convertedDate = baseDate.toStartOfWeek().addDays(Integer.valueOf(m.group(3)) * -7);
} when else {
throw new DateConversionException('Invalid relative week format');
}
}
return convertedDate;
}

// MONTH
m = Pattern.compile('^(\\w{0,4}).*_(month[_\\w]*):*(\\d{0,9})').matcher(rdt);
if (m.matches()) {
switch on m.group(1) {
when 'last' {
convertedDate = (String.isBlank(m.group(3)) ? baseDate.toStartOfMonth().addMonths(-1)
: baseDate.toStartOfMonth().addMonths(Integer.valueOf(m.group(3)) * -1));
} when 'next' {
convertedDate = (String.isBlank(m.group(3)) ? baseDate.toStartOfMonth().addMonths(1)
: baseDate.toStartOfMonth().addMonths(Integer.valueOf(m.group(3))));
} when 'this' {
convertedDate = baseDate.toStartOfMonth();
} when 'n' {
if (m.group(2) != 'months_ago') {throw new DateConversionException('Invalid relative month format');}
convertedDate = baseDate.toStartOfMonth().addMonths(Integer.valueOf(m.group(3)) * -1);
} when else {
throw new DateConversionException('Invalid relative month format');
}
}
return convertedDate;
}

// QUARTER
m = Pattern.compile('^(\\w{0,4}).*_(quarter[_\\w]*):*(\\d{0,9})').matcher(rdt);
if (m.matches()) {
Integer curQuarter = ((baseDate.month() - 1) / 3) + 1;
Date curQuarterStart = Date.newInstance(baseDate.year(), 1, 1).addMonths((curQuarter - 1) * 3);
switch on m.group(1) {
when 'last' {
convertedDate = (String.isBlank(m.group(3)) ? curQuarterStart.addMonths(-3)
: curQuarterStart.addMonths(Integer.valueOf(m.group(3)) * -3));
} when 'next' {
convertedDate = (String.isBlank(m.group(3)) ? curQuarterStart.addMonths(3)
: curQuarterStart.addMonths(Integer.valueOf(m.group(3)) * 3));
} when 'this' {
convertedDate = curQuarterStart;
} when 'n' {
if (m.group(2) != 'quarters_ago') {throw new DateConversionException('Invalid relative quarter format');}
convertedDate = curQuarterStart.addMonths(Integer.valueOf(m.group(3)) * -3);
} when else {
throw new DateConversionException('Invalid relative quarter format');
}
}
return convertedDate;
}

// YEAR
m = Pattern.compile('^(\\w{0,4}).*_(year[_\\w]*):*(\\d{0,9})').matcher(rdt);
if (m.matches()) {
Date currentYear = Date.newInstance(baseDate.year(), 1, 1);
switch on m.group(1) {
when 'last' {
convertedDate = (String.isBlank(m.group(3)) ? currentYear.addYears(-1)
: currentYear.addYears(Integer.valueOf(m.group(3)) * -1));
} when 'next' {
convertedDate = (String.isBlank(m.group(3)) ? currentYear.addYears(1)
: currentYear.addYears(Integer.valueOf(m.group(3))));
} when 'this' {
convertedDate = currentYear;
} when 'n' {
if (m.group(2) != 'years_ago') {throw new DateConversionException('Invalid relative year format');}
convertedDate = currentYear.addYears(Integer.valueOf(m.group(3)) * -1);
} when else {
throw new DateConversionException('Invalid relative year format');
}
}
return convertedDate;
}

// TODO: FISCAL YEAR/QUARTER

// Throw error - No format matched
throw new DateConversionException('Invalid relative date format');
}
return convertedDate;
} else {
throw new DateConversionException('Invalid relative date format');
}
}
public static Date convertAltRelativeDate(String relativeDate) {
return convertAltRelativeDate(relativeDate, Date.today());
}
}
5 changes: 5 additions & 0 deletions force-app/main/default/classes/DateUtility.cls-meta.xml
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<?xml version="1.0" encoding="UTF-8"?>
<ApexClass xmlns="http://soap.sforce.com/2006/04/metadata">
<apiVersion>62.0</apiVersion>
<status>Active</status>
</ApexClass>
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