Various flow related fixes

apps/workflowengine/lib/Manager.php

@@ -467,9 +467,16 @@ public function validateOperation($class, $name, array $checks, $operation, stri
 
 		$this->validateEvents($entity, $events, $instance);
 
+		if (count($checks) === 0) {
+			throw new \UnexpectedValueException($this->l->t('At least one check needs to be provided'));
+		}
 		$instance->validateOperation($name, $checks, $operation);
 
 		foreach ($checks as $check) {
+			if (!is_string($check['class'])) {
+				throw new \UnexpectedValueException($this->l->t('Invalid check provided'));
+			}
+
 			try {
 				/** @var ICheck $instance */
 				$instance = $this->container->query($check['class']);

apps/workflowengine/src/components/Check.vue

@@ -72,7 +72,7 @@ export default {
 			currentOption: null,
 			currentOperator: null,
 			options: [],
-			valid: true,
+			valid: false,
 		}
 	},
 	computed: {
@@ -107,6 +107,11 @@ export default {
 		this.options = Object.values(this.checks)
 		this.currentOption = this.checks[this.check.class]
 		this.currentOperator = this.operators.find((operator) => operator.operator === this.check.operator)
+
+		if (this.check.class === null) {
+			this.$nextTick(() => this.$refs.checkSelector.$el.focus())
+		}
+		this.check.invalid = !this.validate()
 	},
 	methods: {
 		showDelete() {

apps/workflowengine/src/components/Event.vue

@@ -56,7 +56,21 @@ export default {
 	},
 	methods: {
 		updateEvent(events) {
-			this.$set(this.rule, 'events', events.map(event => event.eventName))
+			if (events.length === 0) {
+				window.OCP.Toast.warning(t('workflowengine', 'At least one event must be selected'))
+				return
+			}
+			const existingEntity = this.rule.entity
+			const newEntities = events.map(event => event.entity.id).filter((value, index, self) => self.indexOf(value) === index)
+			let newEntity = null
+			if (newEntities.length > 1) {
+				newEntity = newEntities.filter(entity => entity !== existingEntity)[0]
+			} else {
+				newEntity = newEntities[0]
+			}
+
+			this.$set(this.rule, 'entity', newEntity)
+			this.$set(this.rule, 'events', events.filter(event => event.entity.id === newEntity).map(event => event.eventName))
 			this.$emit('update', this.rule)
 		},
 	},

apps/workflowengine/src/components/Rule.vue

@@ -30,8 +30,7 @@
 					@input="updateOperation" />
 			</Operation>
 			<div class="buttons">
-				<button v-tooltip="ruleStatus.tooltip"
-					class="status-button icon"
+				<button class="status-button icon"
 					:class="ruleStatus.class"
 					@click="saveRule">
 					{{ ruleStatus.title }}
@@ -43,6 +42,9 @@
 					{{ t('workflowengine', 'Delete') }}
 				</button>
 			</div>
+			<p v-if="error" class="error-message">
+				{{ error }}
+			</p>
 		</div>
 	</div>
 </template>
@@ -84,7 +86,7 @@ export default {
 			return this.$store.getters.getOperationForRule(this.rule)
 		},
 		ruleStatus() {
-			if (this.error || !this.rule.valid || this.rule.checks.some((check) => check.invalid === true)) {
+			if (this.error || !this.rule.valid || this.rule.checks.length === 0 || this.rule.checks.some((check) => check.invalid === true)) {
 				return {
 					title: t('workflowengine', 'The configuration is invalid'),
 					class: 'icon-close-white invalid',
@@ -174,12 +176,19 @@ export default {
 
 	.buttons {
 		display: block;
+		overflow: hidden;
+
 		button {
 			float: right;
 			height: 34px;
 		}
 	}
 
+	.error-message {
+		float: right;
+		margin-right: 10px;
+	}
+
 	.status-button {
 		transition: 0.5s ease all;
 		display: block;

apps/workflowengine/src/components/Workflow.vue

@@ -13,7 +13,10 @@
 					:operation="operation"
 					@click.native="createNewRule(operation)" />
 
-				<a :key="'add'" :href="appstoreUrl" class="actions__item colored more">
+				<a v-if="showAppStoreHint"
+					:key="'add'"
+					:href="appstoreUrl"
+					class="actions__item colored more">
 					<div class="icon icon-add" />
 					<div class="actions__item__description">
 						<h3>{{ t('workflowengine', 'More flows') }}</h3>
@@ -49,6 +52,7 @@ import Rule from './Rule'
 import Operation from './Operation'
 import { mapGetters, mapState } from 'vuex'
 import { loadState } from '@nextcloud/initial-state'
+import { generateUrl } from '@nextcloud/router'
 
 const ACTION_LIMIT = 3
 
@@ -61,7 +65,7 @@ export default {
 	data() {
 		return {
 			showMoreOperations: false,
-			appstoreUrl: '/index.php/settings/apps/workflow',
+			appstoreUrl: generateUrl('settings/apps/workflow'),
 			scope: loadState('workflowengine', 'scope'),
 		}
 	},
@@ -81,6 +85,9 @@ export default {
 			}
 			return Object.values(this.operations).slice(0, ACTION_LIMIT)
 		},
+		showAppStoreHint() {
+			return this.scope === 0 && OC.isUserAdmin()
+		},
 	},
 	mounted() {
 		this.$store.dispatch('fetchRules')

apps/workflowengine/src/store.js

@@ -98,7 +98,9 @@ const store = new Vuex.Store({
 				entity: entity ? entity.id : rule.fixedEntity,
 				events,
 				name: '', // unused in the new ui, there for legacy reasons
-				checks: [],
+				checks: [
+					{ class: null, operator: null, value: '' },
+				],
 				operation: rule.operation || '',
 			})
 		},

apps/workflowengine/src/styles/operation.scss

@@ -16,7 +16,7 @@
 	background-size: 50px 50px;
 	background-position: center center;
 	margin-top: 10px;
-	margin-bottom: 20px;
+	margin-bottom: 10px;
 	background-repeat: no-repeat;
 }
 .actions__item__description {