feat: recurring for quick add magic (#1105)

Co-authored-by: kolaente <k@knt.li>
Reviewed-on: https://kolaente.dev/vikunja/frontend/pulls/1105
Reviewed-by: Dominik Pschenitschni <dpschen@noreply.kolaente.de>
Co-authored-by: konrad <k@knt.li>
Co-committed-by: konrad <k@knt.li>

src/modules/parseTaskText.test.js

@@ -7,14 +7,14 @@ describe('Parse Task Text', () => {
 	it('should return text with no intents as is', () => {
 		expect(parseTaskText('Lorem Ipsum').text).toBe('Lorem Ipsum')
 	})
-	
+
 	it('should not parse text when disabled', () => {
 		const text = 'Lorem Ipsum today *label +list !2 @user'
 		const result = parseTaskText(text, 'disabled')
-		
+
 		expect(result.text).toBe(text)
 	})
-	
+
 	it('should parse text in todoist mode when configured', () => {
 		const result = parseTaskText('Lorem Ipsum today @label #list !2 +user', 'todoist')
 
@@ -510,4 +510,54 @@ describe('Parse Task Text', () => {
 			expect(result.assignees[0]).toBe('user with long name')
 		})
 	})
+
+	describe('Recurring Dates', () => {
+		const cases = {
+			'every 1 hour': {type: 'hours', amount: 1},
+			'every hour': {type: 'hours', amount: 1},
+			'every 5 hours': {type: 'hours', amount: 5},
+			'every 12 hours': {type: 'hours', amount: 12},
+			'every day': {type: 'days', amount: 1},
+			'every 1 day': {type: 'days', amount: 1},
+			'every 2 days': {type: 'days', amount: 2},
+			'every week': {type: 'weeks', amount: 1},
+			'every 1 week': {type: 'weeks', amount: 1},
+			'every 3 weeks': {type: 'weeks', amount: 3},
+			'every month': {type: 'months', amount: 1},
+			'every 1 month': {type: 'months', amount: 1},
+			'every 2 months': {type: 'months', amount: 2},
+			'every year': {type: 'years', amount: 1},
+			'every 1 year': {type: 'years', amount: 1},
+			'every 4 years': {type: 'years', amount: 4},
+			'anually': {type: 'years', amount: 1},
+			'bianually': {type: 'months', amount: 6},
+			'semiannually': {type: 'months', amount: 6},
+			'biennially': {type: 'years', amount: 2},
+			'daily': {type: 'days', amount: 1},
+			'hourly': {type: 'hours', amount: 1},
+			'monthly': {type: 'months', amount: 1},
+			'weekly': {type: 'weeks', amount: 1},
+			'yearly': {type: 'years', amount: 1},
+			'every one hour': {type: 'hours', amount: 1}, // maybe unnesecary but better to include it for completeness sake
+			'every two hours': {type: 'hours', amount: 2},
+			'every three hours': {type: 'hours', amount: 3},
+			'every four hours': {type: 'hours', amount: 4},
+			'every five hours': {type: 'hours', amount: 5},
+			'every six hours': {type: 'hours', amount: 6},
+			'every seven hours': {type: 'hours', amount: 7},
+			'every eight hours': {type: 'hours', amount: 8},
+			'every nine hours': {type: 'hours', amount: 9},
+			'every ten hours': {type: 'hours', amount: 10},
+		}
+
+		for (const c in cases) {
+			it(`should parse ${c} as recurring date every ${cases[c].amount} ${cases[c].type}`, () => {
+				const result = parseTaskText(`Lorem Ipsum ${c}`)
+
+				expect(result.text).toBe('Lorem Ipsum')
+				expect(result.repeats.type).toBe(cases[c].type)
+				expect(result.repeats.amount).toBe(cases[c].amount)
+			})
+		}
+	})
 })

src/modules/parseTaskText.ts

@@ -38,6 +38,24 @@ interface Priorites {
 	DO_NOW: number,
 }
 
+enum RepeatType {
+	Hours = 'hours',
+	Days = 'days',
+	Weeks = 'weeks',
+	Months = 'months',
+	Years = 'years',
+}
+
+interface Repeats {
+	type: RepeatType,
+	amount: number,
+}
+
+interface repeatParsedResult {
+	textWithoutMatched: string,
+	repeats: Repeats | null,
+}
+
 interface ParsedTaskText {
 	text: string,
 	date: Date | null,
@@ -45,6 +63,7 @@ interface ParsedTaskText {
 	list: string | null,
 	priority: number | null,
 	assignees: string[],
+	repeats: Repeats | null,
 }
 
 interface Prefixes {
@@ -67,6 +86,7 @@ export const parseTaskText = (text: string, prefixesMode: PrefixMode = PrefixMod
 		list: null,
 		priority: null,
 		assignees: [],
+		repeats: null,
 	}
 
 	const prefixes = PREFIXES[prefixesMode]
@@ -83,7 +103,11 @@ export const parseTaskText = (text: string, prefixesMode: PrefixMode = PrefixMod
 
 	result.assignees = getItemsFromPrefix(text, prefixes.assignee)
 
-	const {newText, date} = parseDate(text)
+	const {textWithoutMatched, repeats} = getRepeats(text)
+	result.text = textWithoutMatched
+	result.repeats = repeats
+
+	const {newText, date} = parseDate(result.text)
 	result.text = newText
 	result.date = date
 
@@ -132,6 +156,113 @@ const getPriority = (text: string, prefix: string): number | null => {
 	return null
 }
 
+const getRepeats = (text: string): repeatParsedResult => {
+	const regex = /((every|each) (([0-9]+|one|two|three|four|five|six|seven|eight|nine|ten) )?(hours?|days?|weeks?|months?|years?))|anually|bianually|semiannually|biennially|daily|hourly|monthly|weekly|yearly/ig
+	const results = regex.exec(text)
+	if (results === null) {
+		return {
+			textWithoutMatched: text,
+			repeats: null,
+		}
+	}
+
+	let amount = 1
+	switch (results[3] ? results[3].trim() : undefined) {
+		case 'one':
+			amount = 1
+			break
+		case 'two':
+			amount = 2
+			break
+		case 'three':
+			amount = 3
+			break
+		case 'four':
+			amount = 4
+			break
+		case 'five':
+			amount = 5
+			break
+		case 'six':
+			amount = 6
+			break
+		case 'seven':
+			amount = 7
+			break
+		case 'eight':
+			amount = 8
+			break
+		case 'nine':
+			amount = 9
+			break
+		case 'ten':
+			amount = 10
+			break
+		default:
+			amount = results[3] ? parseInt(results[3]) : 1
+	}
+	let type: RepeatType = RepeatType.Hours
+
+	switch (results[0]) {
+		case 'biennially':
+			type = RepeatType.Years
+			amount = 2
+			break
+		case 'bianually':
+		case 'semiannually':
+			type = RepeatType.Months
+			amount = 6
+			break
+		case 'yearly':
+		case 'anually':
+			type = RepeatType.Years
+			break
+		case 'daily':
+			type = RepeatType.Days
+			break
+		case 'hourly':
+			type = RepeatType.Hours
+			break
+		case 'monthly':
+			type = RepeatType.Months
+			break
+		case 'weekly':
+			type = RepeatType.Weeks
+			break
+		default:
+			switch (results[5]) {
+				case 'hour':
+				case 'hours':
+					type = RepeatType.Hours
+					break
+				case 'day':
+				case 'days':
+					type = RepeatType.Days
+					break
+				case 'week':
+				case 'weeks':
+					type = RepeatType.Weeks
+					break
+				case 'month':
+				case 'months':
+					type = RepeatType.Months
+					break
+				case 'year':
+				case 'years':
+					type = RepeatType.Years
+					break
+			}
+	}
+
+	return {
+		textWithoutMatched: text.replace(results[0], ''),
+		repeats: {
+			amount,
+			type,
+		},
+	}
+}
+
 const cleanupItemText = (text: string, items: string[], prefix: string): string => {
 	items.forEach(l => {
 		text = text