diff --git a/apps/workflowengine/src/components/Check.vue b/apps/workflowengine/src/components/Check.vue
index 8f7fbca286..905c2c989b 100644
--- a/apps/workflowengine/src/components/Check.vue
+++ b/apps/workflowengine/src/components/Check.vue
@@ -3,12 +3,17 @@
 		<Multiselect ref="checkSelector" v-model="currentOption" :options="options"
 			label="name" track-by="class" :allow-empty="false"
 			:placeholder="t('workflowengine', 'Select a filter')" @input="updateCheck" />
-		<Multiselect :disabled="!currentOption" v-model="currentOperator" :options="operators"
+		<Multiselect v-model="currentOperator" :disabled="!currentOption" :options="operators"
 			label="name" track-by="operator" :allow-empty="false"
 			:placeholder="t('workflowengine', 'Select a comparator')" @input="updateCheck" />
-		<component :is="currentOption.component" v-if="currentOperator && currentComponent" v-model="check.value" :disabled="!currentOption" :check="check" @valid="valid=true && validate()" @invalid="valid=false && validate()" />
-		<input v-else v-model="check.value" type="text" :class="{ invalid: !valid }"
-			@input="updateCheck" :disabled="!currentOption" :placeholder="valuePlaceholder">
+		<component :is="currentOption.component" v-if="currentOperator && currentComponent" v-model="check.value"
+			:disabled="!currentOption" :check="check"
+			@input="updateCheck"
+			@valid="(valid=true) && validate()"
+			@invalid="(valid=false) && validate()" />
+		<input v-else v-model="check.value" type="text"
+			:class="{ invalid: !valid }"
+			:disabled="!currentOption" :placeholder="valuePlaceholder" @input="updateCheck">
 		<Actions>
 			<ActionButton v-if="deleteVisible || !currentOption" icon="icon-delete" @click="$emit('remove')" />
 		</Actions>
@@ -47,7 +52,7 @@ export default {
 			currentOption: null,
 			currentOperator: null,
 			options: [],
-			valid: true,
+			valid: true
 		}
 	},
 	computed: {
@@ -67,6 +72,12 @@ export default {
 			if (this.currentOption && this.currentOption.placeholder) {
 				return this.currentOption.placeholder(this.check)
 			}
+			return ''
+		}
+	},
+	watch: {
+		'check.operator': function() {
+			this.validate()
 		}
 	},
 	mounted() {
@@ -74,11 +85,6 @@ export default {
 		this.currentOption = this.Checks[this.check.class]
 		this.currentOperator = this.operators.find((operator) => operator.operator === this.check.operator)
 	},
-	watch: {
-		'check.operator': function () {
-			this.validate()
-		}
-	},
 	methods: {
 		showDelete() {
 			this.deleteVisible = true
@@ -88,7 +94,7 @@ export default {
 		},
 		validate() {
 			if (this.currentOption && this.currentOption.validate) {
-				if(this.currentOption.validate(this.check)) {
+				if (this.currentOption.validate(this.check)) {
 					this.valid = true
 				} else {
 					this.valid = false
diff --git a/apps/workflowengine/src/components/Checks/FileMimeType.vue b/apps/workflowengine/src/components/Checks/FileMimeType.vue
index 02e68db178..a3e3798304 100644
--- a/apps/workflowengine/src/components/Checks/FileMimeType.vue
+++ b/apps/workflowengine/src/components/Checks/FileMimeType.vue
@@ -1,35 +1,39 @@
 <template>
 	<div>
-		<multiselect
+		<Multiselect
 			:value="currentValue"
-			placeholder="Select a user agent"
+			:placeholder="t('workflowengine', 'Select a file type')"
 			label="label"
 			track-by="pattern"
-			:options="options" :multiple="false" :tagging="false" @input="setValue">
+			:options="options" :multiple="false" :tagging="false"
+			@input="setValue">
 			<template slot="singleLabel" slot-scope="props">
-				<span class="option__icon" :class="props.option.icon"></span>
+				<span class="option__icon" :class="props.option.icon" />
 				<span class="option__title option__title_single">{{ props.option.label }}</span>
 			</template>
 			<template slot="option" slot-scope="props">
-				<span class="option__icon" :class="props.option.icon"></span>
+				<span class="option__icon" :class="props.option.icon" />
 				<span class="option__title">{{ props.option.label }}</span>
 			</template>
-		</multiselect>
-		<input type="text" :value="currentValue.pattern" @input="updateCustom"/>
+		</Multiselect>
+		<input type="text" :value="currentValue.pattern" @input="updateCustom" v-if="!isPredefined">
 	</div>
 </template>
 
 <script>
-	import { Multiselect } from 'nextcloud-vue/dist/Components/Multiselect'
+import { Multiselect } from 'nextcloud-vue/dist/Components/Multiselect'
+import valueMixin from './../../mixins/valueMixin'
 
 export default {
 	name: 'FileMimeType',
 	components: {
 		Multiselect
 	},
+	mixins: [
+		valueMixin
+	],
 	data() {
 		return {
-			value: '',
 			predefinedTypes: [
 				{
 					icon: 'icon-picture',
@@ -53,23 +57,29 @@ export default {
 		options() {
 			return [...this.predefinedTypes, this.customValue]
 		},
+		isPredefined() {
+			const matchingPredefined = this.predefinedTypes.find((type) => this.newValue === type.pattern)
+			if (matchingPredefined) {
+				return true
+			}
+			return false
+		},
 		customValue() {
-			const matchingPredefined = this.predefinedTypes.find((type) => this.value.pattern === type.pattern)
 			return {
 				icon: 'icon-settings-dark',
-				label: t('workflowengine', 'Custom pattern'),
-				pattern: '',
+				label: t('workflowengine', 'Custom mimetype'),
+				pattern: ''
 			}
 		},
 		currentValue() {
-			const matchingPredefined = this.predefinedTypes.find((type) => this.value === type.pattern)
+			const matchingPredefined = this.predefinedTypes.find((type) => this.newValue === type.pattern)
 			if (matchingPredefined) {
 				return matchingPredefined
 			}
 			return {
 				icon: 'icon-settings-dark',
-				label: t('workflowengine', 'Custom pattern'),
-				pattern: this.value,
+				label: t('workflowengine', 'Custom mimetype'),
+				pattern: this.newValue
 			}
 		}
 	},
@@ -79,25 +89,19 @@ export default {
 			var result = regexRegex.exec(string)
 			return result !== null
 		},
-		setValue (value) {
+		setValue(value) {
 			// TODO: check if value requires a regex and set the check operator according to that
 			if (value !== null) {
-				this.value = value.pattern
+				this.newValue = value.pattern
+				this.$emit('input', this.newValue)
 			}
 		},
-		updateCustom (event) {
-			console.log(event)
-			this.value = event.target.value
+		updateCustom(event) {
+			this.newValue = event.target.value
+			this.$emit('input', this.newValue)
 		}
 	}
 }
 </script>
 
-<style scoped>
-	.multiselect::v-deep .multiselect__single {
-		display: flex;
-	}
-	input, .multiselect {
-		width: 100%;
-	}
-</style>
+<style scoped src="./../../css/multiselect.css"></style>
diff --git a/apps/workflowengine/src/components/Checks/FileSystemTag.vue b/apps/workflowengine/src/components/Checks/FileSystemTag.vue
deleted file mode 100644
index b8c24bf118..0000000000
--- a/apps/workflowengine/src/components/Checks/FileSystemTag.vue
+++ /dev/null
@@ -1,68 +0,0 @@
-<!--
-  - @copyright Copyright (c) 2019 Julius Härtl <jus@bitgrid.net>
-  -
-  - @author Julius Härtl <jus@bitgrid.net>
-  -
-  - @license GNU AGPL version 3 or any later version
-  -
-  - This program is free software: you can redistribute it and/or modify
-  - it under the terms of the GNU Affero General Public License as
-  - published by the Free Software Foundation, either version 3 of the
-  - License, or (at your option) any later version.
-  -
-  - This program is distributed in the hope that it will be useful,
-  - but WITHOUT ANY WARRANTY; without even the implied warranty of
-  - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-  - GNU Affero General Public License for more details.
-  -
-  - You should have received a copy of the GNU Affero General Public License
-  - along with this program. If not, see <http://www.gnu.org/licenses/>.
-  -
-  -->
-
-<template>
-	<MultiselectTag v-model="newValue" :multiple="false" type="text" placeholder="1 MB"
-					@input="update"/>
-</template>
-
-<script>
-import { MultiselectTag } from 'nextcloud-vue'
-
-export default {
-	name: 'SizeValue',
-	components: {
-		MultiselectTag
-	},
-	props: {
-		value: {
-			type: String,
-			default: ''
-		}
-	},
-	data() {
-		return {
-			valid: false,
-			newValue: this.value
-		}
-	},
-	watch: {
-		value() {
-			this.newValue = this.value
-		}
-	},
-	methods: {
-		update() {
-			if (this.validate()) {
-				this.$emit('input', this.newValue)
-				this.valid = false
-			} else {
-				this.valid = false
-			}
-		}
-	}
-}
-</script>
-
-<style scoped>
-
-</style>
diff --git a/apps/workflowengine/src/components/Checks/RequestTime.vue b/apps/workflowengine/src/components/Checks/RequestTime.vue
index 9ea211874f..b150e67b00 100644
--- a/apps/workflowengine/src/components/Checks/RequestTime.vue
+++ b/apps/workflowengine/src/components/Checks/RequestTime.vue
@@ -1,14 +1,17 @@
 <template>
 	<div class="timeslot">
-		<multiselect v-model="newValue.timezone" :options="timezones"></multiselect>
-		<input type="text" class="timeslot--start" v-model="newValue.startTime" placeholder="08:00" @input="update"/>
-		<input type="text" v-model="newValue.endTime" placeholder="18:00" @input="update"/>
+		<Multiselect v-model="newValue.timezone" :options="timezones" />
+		<input v-model="newValue.startTime" type="text" class="timeslot--start"
+			placeholder="08:00" @input="update">
+		<input v-model="newValue.endTime" type="text" placeholder="18:00"
+			@input="update">
 	</div>
 </template>
 
 <script>
 import { Multiselect } from 'nextcloud-vue/dist/Components/Multiselect'
 import moment from 'moment-timezone'
+import valueMixin from '../../mixins/valueMixin';
 
 const zones = moment.tz.names()
 export default {
@@ -16,6 +19,9 @@ export default {
 	components: {
 		Multiselect
 	},
+	mixins: [
+		valueMixin
+	],
 	props: {
 		value: {
 			type: String,
@@ -29,7 +35,7 @@ export default {
 				startTime: null,
 				endTime: null,
 				timezone: moment.tz.guess()
-			},
+			}
 		}
 	},
 	computed: {
@@ -37,8 +43,8 @@ export default {
 			return zones
 		}
 	},
-	watch: {
-		'value': function(value) {
+	methods: {
+		updateInternalValue(value) {
 			var data = JSON.parse(value)
 			var startTime = data[0].split(' ', 2)[0]
 			var endTime = data[1].split(' ', 2)[0]
@@ -48,13 +54,11 @@ export default {
 				endTime: endTime,
 				timezone: timezone
 			}
-		}
-	},
-	methods: {
+		},
 		validate() {
-			return this.newValue.startTime && this.newValue.startTime.match(/^(0[0-9]|1[0-9]|2[0-3]|[0-9]):[0-5][0-9]$/i) !== null &&
-				this.newValue.endTime && this.newValue.endTime.match(/^(0[0-9]|1[0-9]|2[0-3]|[0-9]):[0-5][0-9]$/i) !== null &&
-				moment.tz.zone(this.newValue.timezone) !== null
+			return this.newValue.startTime && this.newValue.startTime.match(/^(0[0-9]|1[0-9]|2[0-3]|[0-9]):[0-5][0-9]$/i) !== null
+				&& this.newValue.endTime && this.newValue.endTime.match(/^(0[0-9]|1[0-9]|2[0-3]|[0-9]):[0-5][0-9]$/i) !== null
+				&& moment.tz.zone(this.newValue.timezone) !== null
 		},
 		update() {
 			if (this.validate()) {
diff --git a/apps/workflowengine/src/components/Checks/RequestUserAgent.vue b/apps/workflowengine/src/components/Checks/RequestUserAgent.vue
index 676a4c2317..c5ea6bd4ee 100644
--- a/apps/workflowengine/src/components/Checks/RequestUserAgent.vue
+++ b/apps/workflowengine/src/components/Checks/RequestUserAgent.vue
@@ -22,47 +22,51 @@
 
 <template>
 	<div>
-
-		<multiselect
+		<Multiselect
 			:value="currentValue"
-			placeholder="Select a file type"
+			:placeholder="t('workflowengine', 'Select a user agent')"
 			label="label"
 			track-by="pattern"
-			group-values="children",
-			group-label="text",
-			:options="options" :multiple="false" :tagging="false" @input="setValue">
+			group-values="children"
+			group-label="label"
+			:options="options" :multiple="false" :tagging="false"
+			@input="setValue">
 			<template slot="singleLabel" slot-scope="props">
-				<span class="option__icon" :class="props.option.icon"></span>
+				<span class="option__icon" :class="props.option.icon" />
 				<span class="option__title option__title_single">{{ props.option.label }}</span>
 			</template>
 			<template slot="option" slot-scope="props">
-				<span class="option__icon" :class="props.option.icon"></span>
-				<span class="option__title">{{ props.option.label }}</span>
+				<span class="option__icon" :class="props.option.icon" />
+				<span class="option__title">{{ props.option.label }} {{ props.option.$groupLabel }}</span>
 			</template>
-		</multiselect>
-		<input type="text" :value="currentValue.pattern" @input="updateCustom"/>
+		</Multiselect>
+		<input type="text" :value="currentValue.pattern" @input="updateCustom" v-if="!isPredefined">
 	</div>
 </template>
 
 <script>
 import { Multiselect } from 'nextcloud-vue/dist/Components/Multiselect'
+import valueMixin from '../../mixins/valueMixin';
 
 export default {
-	name: 'UserAgent',
+	name: 'RequestUserAgent',
 	components: {
 		Multiselect
 	},
+	mixins: [
+		valueMixin
+	],
 	data() {
 		return {
-			value: '',
+			newValue: '',
 			predefinedTypes: [
 				{
-					text: t('workflowengine', 'Sync clients'),
+					label: t('workflowengine', 'Sync clients'),
 					children: [
-						{ id: 'android', text: t('workflowengine', 'Android client') },
-						{ id: 'ios', text: t('workflowengine', 'iOS client') },
-						{ id: 'desktop', text: t('workflowengine', 'Desktop client') },
-						{ id: 'mail', text: t('workflowengine', 'Thunderbird & Outlook addons') }
+						{ pattern: 'android', label: t('workflowengine', 'Android client'), icon: 'icon-phone' },
+						{ pattern: 'ios', label: t('workflowengine', 'iOS client'), icon: 'icon-phone' },
+						{ pattern: 'desktop', label: t('workflowengine', 'Desktop client'), icon: 'icon-desktop' },
+						{ pattern: 'mail', label: t('workflowengine', 'Thunderbird & Outlook addons'), icon: 'icon-mail' }
 					]
 				}
 			]
@@ -72,23 +76,34 @@ export default {
 		options() {
 			return [...this.predefinedTypes, this.customValue]
 		},
+		isPredefined() {
+			const matchingPredefined = this.predefinedTypes.map(groups => groups.children).flat().find((type) => this.newValue === type.pattern)
+			if (matchingPredefined) {
+				return true
+			}
+			return false
+		},
 		customValue() {
-			const matchingPredefined = this.predefinedTypes.find((type) => this.value.pattern === type.pattern)
 			return {
-				icon: 'icon-settings-dark',
-				label: t('workflowengine', 'Custom pattern'),
-				pattern: '',
+				label: t('workflowengine', 'Others'),
+				children: [
+					{
+						icon: 'icon-settings-dark',
+						label: t('workflowengine', 'Custom user agent'),
+						pattern: ''
+					}
+				]
 			}
 		},
 		currentValue() {
-			const matchingPredefined = this.predefinedTypes.find((type) => this.value === type.pattern)
+			const matchingPredefined = this.predefinedTypes.map(groups => groups.children).flat().find((type) => this.newValue === type.pattern)
 			if (matchingPredefined) {
 				return matchingPredefined
 			}
 			return {
 				icon: 'icon-settings-dark',
-				label: t('workflowengine', 'Custom pattern'),
-				pattern: this.value,
+				label: t('workflowengine', 'Custom user agent'),
+				pattern: this.newValue,
 			}
 		}
 	},
@@ -98,25 +113,19 @@ export default {
 			var result = regexRegex.exec(string)
 			return result !== null
 		},
-		setValue (value) {
+		setValue(value) {
 			// TODO: check if value requires a regex and set the check operator according to that
 			if (value !== null) {
-				this.value = value.pattern
+				this.newValue = value.pattern
+				this.$emit('input', this.newValue)
 			}
 		},
-		updateCustom (event) {
-			console.log(event)
-			this.value = event.target.value
+		updateCustom(event) {
+			this.newValue = event.target.value
+			this.$emit('input', this.newValue)
 		}
 	}
 }
 </script>
 
-<style scoped>
-	.multiselect::v-deep .multiselect__single {
-		display: flex;
-	}
-	input, .multiselect {
-		width: 100%;
-	}
-</style>
+<style scoped src="./../../css/multiselect.css"></style>
diff --git a/apps/workflowengine/src/components/Checks/file.js b/apps/workflowengine/src/components/Checks/file.js
index 146ac045ce..816aaa73a6 100644
--- a/apps/workflowengine/src/components/Checks/file.js
+++ b/apps/workflowengine/src/components/Checks/file.js
@@ -20,8 +20,8 @@
  *
  */
 
-import FileMimeType from './FileMimeType';
-import { stringValidator, validateIPv4, validateIPv6} from './../../helpers/validators'
+import FileMimeType from './FileMimeType'
+import { stringValidator, validateIPv4, validateIPv6 } from './../../helpers/validators'
 const FileChecks = [
 	{
 		class: 'OCA\\WorkflowEngine\\Check\\FileName',
@@ -77,7 +77,7 @@ const FileChecks = [
 		],
 		placeholder: (check) => {
 			if (check.operator === 'matchesIPv6' || check.operator === '!matchesIPv6') {
-				return '::1/128';
+				return '::1/128'
 			}
 			return '127.0.0.1/32'
 		},
diff --git a/apps/workflowengine/src/components/Checks/request.js b/apps/workflowengine/src/components/Checks/request.js
index 8b36b89a9e..5550555cf0 100644
--- a/apps/workflowengine/src/components/Checks/request.js
+++ b/apps/workflowengine/src/components/Checks/request.js
@@ -20,8 +20,8 @@
  *
  */
 
-import RequestUserAgent from './RequestUserAgent';
-import RequestTime from './RequestTime';
+import RequestUserAgent from './RequestUserAgent'
+import RequestTime from './RequestTime'
 
 const RequestChecks = [
 	{
@@ -32,7 +32,7 @@ const RequestChecks = [
 			{ operator: '!is', name: t('workflowengine', 'is not') },
 			{ operator: 'matches', name: t('workflowengine', 'matches') },
 			{ operator: '!matches', name: t('workflowengine', 'does not match') }
-		],
+		]
 		// TODO: implement component
 	},
 	{
@@ -53,8 +53,7 @@ const RequestChecks = [
 			{ operator: 'matches', name: t('workflowengine', 'matches') },
 			{ operator: '!matches', name: t('workflowengine', 'does not match') }
 		],
-		// TODO: implement component
-		// component: RequestUserAgent
+		component: RequestUserAgent
 	},
 	{
 		class: 'OCA\\WorkflowEngine\\Check\\UserGroupMembership',
@@ -62,7 +61,7 @@ const RequestChecks = [
 		operators: [
 			{ operator: 'is', name: t('workflowengine', 'is member of') },
 			{ operator: '!is', name: t('workflowengine', 'is not member of') }
-		],
+		]
 		// TODO: implement component
 	}
 ]
diff --git a/apps/workflowengine/src/components/Operation.vue b/apps/workflowengine/src/components/Operation.vue
index 3cd7378f0d..ad44d37693 100644
--- a/apps/workflowengine/src/components/Operation.vue
+++ b/apps/workflowengine/src/components/Operation.vue
@@ -2,8 +2,8 @@
 	<div class="actions__item" :class="{'colored': colored}" :style="{ backgroundColor: colored ? operation.color : 'transparent' }">
 		<div class="icon" :class="operation.iconClass" :style="{ backgroundImage: operation.iconClass ? '' : `url(${operation.icon})` }" />
 		<div class="actions__item__description">
-		<h3>{{ operation.name }}</h3>
-		<small>{{ operation.description }}</small>
+			<h3>{{ operation.name }}</h3>
+			<small>{{ operation.description }}</small>
 		</div>
 		<div class="actions__item_options">
 			<slot />
diff --git a/apps/workflowengine/src/components/Rule.vue b/apps/workflowengine/src/components/Rule.vue
index c5c6094879..76d332ac41 100644
--- a/apps/workflowengine/src/components/Rule.vue
+++ b/apps/workflowengine/src/components/Rule.vue
@@ -5,9 +5,10 @@
 				<span>{{ t('workflowengine', 'When') }}</span>
 				<Event :rule="rule" @update="updateRule" />
 			</p>
-			<p v-for="check in rule.checks">
+			<p v-for="(check, index) in rule.checks" :key="index">
 				<span>{{ t('workflowengine', 'and') }}</span>
-				<Check :check="check" :rule="rule" @update="updateRule" @remove="removeCheck(check)" />
+				<Check :check="check" :rule="rule" @update="updateRule"
+					@remove="removeCheck(check)" />
 			</p>
 			<p>
 				<span />
@@ -15,7 +16,7 @@
 					value="Add a new filter" @click="rule.checks.push({class: null, operator: null, value: null})">
 			</p>
 		</div>
-		<div class="flow-icon icon-confirm"></div>
+		<div class="flow-icon icon-confirm" />
 		<div class="action">
 			<div class="buttons">
 				<Actions>
@@ -32,7 +33,7 @@
 					@input="updateOperation" />
 			</Operation>
 			<button v-tooltip="ruleStatus.tooltip" class="status-button icon" :class="ruleStatus.class"
-					@click="saveRule">
+				@click="saveRule">
 				{{ ruleStatus.title }}
 			</button>
 		</div>
@@ -245,5 +246,4 @@ export default {
 		}
 	}
 
-
 </style>
diff --git a/apps/workflowengine/src/helpers/validators.js b/apps/workflowengine/src/helpers/validators.js
index 033ce2ec7f..5fb94f66ec 100644
--- a/apps/workflowengine/src/helpers/validators.js
+++ b/apps/workflowengine/src/helpers/validators.js
@@ -20,7 +20,6 @@
  *
  */
 
-
 const validateRegex = function(string) {
 	var regexRegex = /^\/(.*)\/([gui]{0,3})$/
 	var result = regexRegex.exec(string)
diff --git a/apps/workflowengine/src/legacy/filesystemtagsplugin.js b/apps/workflowengine/src/legacy/filesystemtagsplugin.js
deleted file mode 100644
index e945c79195..0000000000
--- a/apps/workflowengine/src/legacy/filesystemtagsplugin.js
+++ /dev/null
@@ -1,78 +0,0 @@
-/**
- * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-(function() {
-
-	OCA.WorkflowEngine = OCA.WorkflowEngine || {}
-	OCA.WorkflowEngine.Plugins = OCA.WorkflowEngine.Plugins || {}
-
-	OCA.WorkflowEngine.Plugins.FileSystemTagsPlugin = {
-		getCheck: function() {
-			this.collection = OC.SystemTags.collection
-
-			return {
-				class: 'OCA\\WorkflowEngine\\Check\\FileSystemTags',
-				name: t('workflowengine', 'File system tag'),
-				operators: [
-					{ operator: 'is', name: t('workflowengine', 'is tagged with') },
-					{ operator: '!is', name: t('workflowengine', 'is not tagged with') }
-				]
-			}
-		},
-		render: function(element, check) {
-			if (check.class !== 'OCA\\WorkflowEngine\\Check\\FileSystemTags') {
-				return
-			}
-
-			$(element).css('width', '400px')
-
-			$(element).select2({
-				allowClear: false,
-				multiple: false,
-				placeholder: t('workflowengine', 'Select tag…'),
-				query: _.debounce(function(query) {
-					query.callback({
-						results: OC.SystemTags.collection.filterByName(query.term)
-					})
-				}, 100, true),
-				id: function(element) {
-					return element.get('id')
-				},
-				initSelection: function(element, callback) {
-					callback($(element).val())
-				},
-				formatResult: function(tag) {
-					return OC.SystemTags.getDescriptiveTag(tag)
-				},
-				formatSelection: function(tagId) {
-					var tag = OC.SystemTags.collection.get(tagId)
-					if (!_.isUndefined(tag)) {
-						return OC.SystemTags.getDescriptiveTag(tag)
-					}
-				},
-				escapeMarkup: function(m) {
-					return m
-				}
-			})
-		}
-	}
-})()
-
-OC.Plugins.register('OCA.WorkflowEngine.CheckPlugins', OCA.WorkflowEngine.Plugins.FileSystemTagsPlugin)
diff --git a/apps/workflowengine/src/legacy/requesttimeplugin.js b/apps/workflowengine/src/legacy/requesttimeplugin.js
deleted file mode 100644
index eaeae287da..0000000000
--- a/apps/workflowengine/src/legacy/requesttimeplugin.js
+++ /dev/null
@@ -1,196 +0,0 @@
-/**
- * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-(function() {
-
-	OCA.WorkflowEngine = OCA.WorkflowEngine || {}
-	OCA.WorkflowEngine.Plugins = OCA.WorkflowEngine.Plugins || {}
-
-	OCA.WorkflowEngine.Plugins.RequestTimePlugin = {
-		timezones: [
-			'Europe/Berlin',
-			'Europe/London'
-		],
-		_$element: null,
-		getCheck: function() {
-			return {
-				class: 'OCA\\WorkflowEngine\\Check\\RequestTime',
-				name: t('workflowengine', 'Request time'),
-				operators: [
-					{ operator: 'in', name: t('workflowengine', 'between') },
-					{ operator: '!in', name: t('workflowengine', 'not between') }
-				]
-			}
-		},
-		render: function(element, check) {
-			if (check.class !== 'OCA\\WorkflowEngine\\Check\\RequestTime') {
-				return
-			}
-
-			var startTime = '09:00'
-			var endTime = '18:00'
-			var timezone = jstz.determine().name()
-			var $element = $(element)
-
-			if (_.isString(check.value) && check.value !== '') {
-				var value = JSON.parse(check.value)
-				var splittedStart = value[0].split(' ', 2)
-				var splittedEnd = value[1].split(' ', 2)
-
-				startTime = splittedStart[0]
-				endTime = splittedEnd[0]
-				timezone = splittedStart[1]
-			}
-
-			var valueJSON = JSON.stringify([startTime + ' ' + timezone, endTime + ' ' + timezone])
-			if (check.value !== valueJSON) {
-				check.value = valueJSON
-				$element.val(valueJSON)
-			}
-
-			$element.css('display', 'none')
-
-			$('<input>')
-				.attr('type', 'text')
-				.attr('placeholder', t('workflowengine', 'Start'))
-				.attr('title', t('workflowengine', 'Example: {placeholder}', { placeholder: '16:00' }))
-				.addClass('has-tooltip')
-				.tooltip({
-					placement: 'bottom'
-				})
-				.addClass('start')
-				.val(startTime)
-				.insertBefore($element)
-			$('<input>')
-				.attr('type', 'text')
-				.attr('placeholder', t('workflowengine', 'End'))
-				.attr('title', t('workflowengine', 'Example: {placeholder}', { placeholder: '16:00' }))
-				.addClass('has-tooltip')
-				.tooltip({
-					placement: 'bottom'
-				})
-				.addClass('end')
-				.val(endTime)
-				.insertBefore($element)
-
-			var timezoneInput = $('<input>')
-				.attr('type', 'hidden')
-				.css('width', '250px')
-				.insertBefore($element)
-				.val(timezone)
-
-			timezoneInput.select2({
-				allowClear: false,
-				multiple: false,
-				placeholder: t('workflowengine', 'Select timezone…'),
-				ajax: {
-					url: OC.generateUrl('apps/workflowengine/timezones'),
-					dataType: 'json',
-					quietMillis: 100,
-					data: function(term) {
-						if (term === '') {
-							// Default search in the same continent...
-							term = jstz.determine().name().split('/')
-							term = term[0]
-						}
-						return {
-							search: term
-						}
-					},
-					results: function(response) {
-						var results = []
-						$.each(response, function(timezone) {
-							results.push({ id: timezone })
-						})
-
-						return {
-							results: results,
-							more: false
-						}
-					}
-				},
-				initSelection: function(element, callback) {
-					callback(element.val())
-				},
-				formatResult: function(element) {
-					return '<span>' + element.id + '</span>'
-				},
-				formatSelection: function(element) {
-					if (!_.isUndefined(element.id)) {
-						element = element.id
-					}
-					return '<span>' + element + '</span>'
-				}
-			})
-
-			// Has to be added after select2 for `event.target.classList`
-			timezoneInput.addClass('timezone')
-
-			$element.parent()
-				.on('change', '.start', _.bind(this.update, this))
-				.on('change', '.end', _.bind(this.update, this))
-				.on('change', '.timezone', _.bind(this.update, this))
-
-			this._$element = $element
-		},
-		update: function(event) {
-			var value = event.target.value
-			var key = null
-
-			for (var i = 0; i < event.target.classList.length; i++) {
-				key = event.target.classList[i]
-			}
-
-			if (key === null) {
-				console.warn('update triggered but element doesn\'t have any class')
-				return
-			}
-
-			var data = JSON.parse(this._$element.val())
-			var startTime = moment(data[0].split(' ', 2)[0], 'H:m Z')
-			var endTime = moment(data[1].split(' ', 2)[0], 'H:m Z')
-			var timezone = data[0].split(' ', 2)[1]
-
-			if (key === 'start' || key === 'end') {
-				var parsedDate = moment(value, ['H:m', 'h:m a'], true).format('HH:mm')
-
-				if (parsedDate === 'Invalid date') {
-					return
-				}
-
-				var indexValue = 0
-				if (key === 'end') {
-					indexValue = 1
-				}
-				data[indexValue] = parsedDate + ' ' + timezone
-			}
-
-			if (key === 'timezone') {
-				data[0] = startTime.format('HH:mm') + ' ' + value
-				data[1] = endTime.format('HH:mm') + ' ' + value
-			}
-
-			this._$element.val(JSON.stringify(data))
-			this._$element.trigger('change')
-		}
-	}
-})()
-
-OC.Plugins.register('OCA.WorkflowEngine.CheckPlugins', OCA.WorkflowEngine.Plugins.RequestTimePlugin)
diff --git a/apps/workflowengine/src/legacy/requesturlplugin.js b/apps/workflowengine/src/legacy/requesturlplugin.js
deleted file mode 100644
index 7e13422387..0000000000
--- a/apps/workflowengine/src/legacy/requesturlplugin.js
+++ /dev/null
@@ -1,116 +0,0 @@
-/**
- * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-(function() {
-
-	OCA.WorkflowEngine = OCA.WorkflowEngine || {}
-	OCA.WorkflowEngine.Plugins = OCA.WorkflowEngine.Plugins || {}
-
-	OCA.WorkflowEngine.Plugins.RequestURLPlugin = {
-		predefinedValues: ['webdav'],
-		getCheck: function() {
-			return {
-				class: 'OCA\\WorkflowEngine\\Check\\RequestURL',
-				name: t('workflowengine', 'Request URL'),
-				operators: [
-					{ operator: 'is', name: t('workflowengine', 'is') },
-					{ operator: '!is', name: t('workflowengine', 'is not') },
-					{ operator: 'matches', name: t('workflowengine', 'matches') },
-					{ operator: '!matches', name: t('workflowengine', 'does not match') }
-				]
-			}
-		},
-		render: function(element, check) {
-			if (check.class !== 'OCA\\WorkflowEngine\\Check\\RequestURL') {
-				return
-			}
-
-			var placeholder = 'https://localhost/index.php'
-
-			if (check.operator === 'matches' || check.operator === '!matches') {
-				placeholder = '/^https\\:\\/\\/localhost\\/index\\.php$/i'
-			}
-
-			$(element).css('width', '250px')
-				.attr('placeholder', placeholder)
-				.attr('title', t('workflowengine', 'Example: {placeholder}', { placeholder: placeholder }))
-				.addClass('has-tooltip')
-				.tooltip({
-					placement: 'bottom'
-				})
-
-			if (check.operator === 'matches' || check.operator === '!matches') {
-				if (this._validateRegex(check.value)) {
-					$(element).removeClass('invalid-input')
-				} else {
-					$(element).addClass('invalid-input')
-				}
-			} else {
-				var self = this
-				var data = [
-					{
-						text: t('workflowengine', 'Predefined URLs'),
-						children: [
-							{ id: 'webdav', text: t('workflowengine', 'Files WebDAV') }
-						]
-					}
-				]
-				if (this.predefinedValues.indexOf(check.value) === -1) {
-					data.unshift({
-						id: check.value,
-						text: check.value
-					})
-				}
-
-				$(element).select2({
-					data: data,
-					createSearchChoice: function(term) {
-						if (self.predefinedValues.indexOf(check.value) === -1) {
-							return {
-								id: term,
-								text: term
-							}
-						}
-					},
-					id: function(element) {
-						return element.id
-					},
-					formatResult: function(tag) {
-						return tag.text
-					},
-					formatSelection: function(tag) {
-						return tag.text
-					},
-					escapeMarkup: function(m) {
-						return m
-					}
-				})
-			}
-		},
-
-		_validateRegex: function(string) {
-			var regexRegex = /^\/(.*)\/([gui]{0,3})$/
-			var result = regexRegex.exec(string)
-			return result !== null
-		}
-	}
-})()
-
-OC.Plugins.register('OCA.WorkflowEngine.CheckPlugins', OCA.WorkflowEngine.Plugins.RequestURLPlugin)
diff --git a/apps/workflowengine/src/legacy/requestuseragentplugin.js b/apps/workflowengine/src/legacy/requestuseragentplugin.js
deleted file mode 100644
index 5480e4ccc8..0000000000
--- a/apps/workflowengine/src/legacy/requestuseragentplugin.js
+++ /dev/null
@@ -1,119 +0,0 @@
-/**
- * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-(function() {
-
-	OCA.WorkflowEngine = OCA.WorkflowEngine || {}
-	OCA.WorkflowEngine.Plugins = OCA.WorkflowEngine.Plugins || {}
-
-	OCA.WorkflowEngine.Plugins.RequestUserAgentPlugin = {
-		predefinedValues: ['android', 'ios', 'desktop'],
-		getCheck: function() {
-			return {
-				class: 'OCA\\WorkflowEngine\\Check\\RequestUserAgent',
-				name: t('workflowengine', 'Request user agent'),
-				operators: [
-					{ operator: 'is', name: t('workflowengine', 'is') },
-					{ operator: '!is', name: t('workflowengine', 'is not') },
-					{ operator: 'matches', name: t('workflowengine', 'matches') },
-					{ operator: '!matches', name: t('workflowengine', 'does not match') }
-				]
-			}
-		},
-		render: function(element, check) {
-			if (check.class !== 'OCA\\WorkflowEngine\\Check\\RequestUserAgent') {
-				return
-			}
-
-			var placeholder = 'Mozilla/5.0 User Agent'
-
-			if (check.operator === 'matches' || check.operator === '!matches') {
-				placeholder = '/^Mozilla\\/5\\.0 (.*)$/i'
-			}
-
-			$(element).css('width', '250px')
-				.attr('placeholder', placeholder)
-				.attr('title', t('workflowengine', 'Example: {placeholder}', { placeholder: placeholder }))
-				.addClass('has-tooltip')
-				.tooltip({
-					placement: 'bottom'
-				})
-
-			if (check.operator === 'matches' || check.operator === '!matches') {
-				if (this._validateRegex(check.value)) {
-					$(element).removeClass('invalid-input')
-				} else {
-					$(element).addClass('invalid-input')
-				}
-			} else {
-				var self = this
-				var data = [
-					{
-						text: t('workflowengine', 'Sync clients'),
-						children: [
-							{ id: 'android', text: t('workflowengine', 'Android client') },
-							{ id: 'ios', text: t('workflowengine', 'iOS client') },
-							{ id: 'desktop', text: t('workflowengine', 'Desktop client') },
-							{ id: 'mail', text: t('workflowengine', 'Thunderbird & Outlook addons') }
-						]
-					}
-				]
-				if (this.predefinedValues.indexOf(check.value) === -1) {
-					data.unshift({
-						id: check.value,
-						text: check.value
-					})
-				}
-
-				$(element).select2({
-					data: data,
-					createSearchChoice: function(term) {
-						if (self.predefinedValues.indexOf(check.value) === -1) {
-							return {
-								id: term,
-								text: term
-							}
-						}
-					},
-					id: function(element) {
-						return element.id
-					},
-					formatResult: function(tag) {
-						return tag.text
-					},
-					formatSelection: function(tag) {
-						return tag.text
-					},
-					escapeMarkup: function(m) {
-						return m
-					}
-				})
-			}
-		},
-
-		_validateRegex: function(string) {
-			var regexRegex = /^\/(.*)\/([gui]{0,3})$/
-			var result = regexRegex.exec(string)
-			return result !== null
-		}
-	}
-})()
-
-OC.Plugins.register('OCA.WorkflowEngine.CheckPlugins', OCA.WorkflowEngine.Plugins.RequestUserAgentPlugin)
diff --git a/apps/workflowengine/src/legacy/usergroupmembershipplugin.js b/apps/workflowengine/src/legacy/usergroupmembershipplugin.js
deleted file mode 100644
index 6d60e9e4d6..0000000000
--- a/apps/workflowengine/src/legacy/usergroupmembershipplugin.js
+++ /dev/null
@@ -1,75 +0,0 @@
-/**
- * @copyright Copyright (c) 2016 Morris Jobke <hey@morrisjobke.de>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-(function() {
-
-	OCA.WorkflowEngine = OCA.WorkflowEngine || {}
-	OCA.WorkflowEngine.Plugins = OCA.WorkflowEngine.Plugins || {}
-
-	OCA.WorkflowEngine.Plugins.UserGroupMembershipPlugin = {
-		getCheck: function() {
-			return {
-				class: 'OCA\\WorkflowEngine\\Check\\UserGroupMembership',
-				name: t('workflowengine', 'User group membership'),
-				operators: [
-					{ operator: 'is', name: t('workflowengine', 'is member of') },
-					{ operator: '!is', name: t('workflowengine', 'is not member of') }
-				]
-			}
-		},
-		render: function(element, check, groups) {
-			if (check.class !== 'OCA\\WorkflowEngine\\Check\\UserGroupMembership') {
-				return
-			}
-
-			$(element).css('width', '400px')
-
-			$(element).select2({
-				data: { results: groups, text: 'displayname' },
-				initSelection: function(element, callback) {
-					var groupId = element.val()
-					if (groupId && groups.length > 0) {
-						callback({
-							id: groupId,
-							displayname: groups.find(function(group) {
-								return group.id === groupId
-							}).displayname
-						})
-					} else if (groupId) {
-						callback({
-							id: groupId,
-							displayname: groupId
-						})
-					} else {
-						callback()
-					}
-				},
-				formatResult: function(element) {
-					return '<span>' + escapeHTML(element.displayname) + '</span>'
-				},
-				formatSelection: function(element) {
-					return '<span title="' + escapeHTML(element.id) + '">' + escapeHTML(element.displayname) + '</span>'
-				}
-			})
-		}
-	}
-})()
-
-OC.Plugins.register('OCA.WorkflowEngine.CheckPlugins', OCA.WorkflowEngine.Plugins.UserGroupMembershipPlugin)
diff --git a/apps/workflowengine/src/store.js b/apps/workflowengine/src/store.js
index 75e53149ea..a322c7fb3e 100644
--- a/apps/workflowengine/src/store.js
+++ b/apps/workflowengine/src/store.js
@@ -85,7 +85,7 @@ const store = new Vuex.Store({
 			let events = []
 			if (rule.isComplex === false && rule.fixedEntity === '') {
 				entity = context.state.entities.find((item) => rule.entities && rule.entities[0] === item.id)
-				entity = entity ? entity : Object.values(context.state.entities)[0]
+				entity = entity || Object.values(context.state.entities)[0]
 				events = [entity.events[0].eventName]
 			}
 
@@ -124,7 +124,7 @@ const store = new Vuex.Store({
 			await axios.delete(getApiUrl(`/${rule.id}`))
 			context.commit('removeRule', rule)
 		},
-		setValid (context, { rule, valid }) {
+		setValid(context, { rule, valid }) {
 			rule.valid = valid
 			context.commit('updateRule', rule)
 		}