feat: Add translation capabilities to mail

Signed-off-by: Grigory Vodyanov <[email protected]>

appinfo/info.xml

@@ -34,7 +34,7 @@ The rating depends on the installed text processing backend. See [the rating ove
 
 Learn more about the Nextcloud Ethical AI Rating [in our blog](https://nextcloud.com/blog/nextcloud-ethical-ai-rating/).
 	]]></description>
-	<version>4.2.0-alpha.1</version>
+	<version>4.2.0-alpha.2</version>
 	<licence>agpl</licence>
 	<author homepage="https://github.com/ChristophWurst">Christoph Wurst</author>
 	<author homepage="https://github.com/GretaD">GretaD</author>

lib/Controller/PageController.php

@@ -287,6 +287,11 @@ public function index(): TemplateResponse {
 			$this->aiIntegrationsService->isLlmProcessingEnabled() && $this->aiIntegrationsService->isLlmAvailable(SummaryTaskType::class)
 		);
 
+		$this->initialStateService->provideInitialState(
+			'llm_translation_enabled',
+			$this->aiIntegrationsService->isTaskAvailable('core:text2text:translate')
+		);
+
 		$this->initialStateService->provideInitialState(
 			'llm_freeprompt_available',
 			$this->aiIntegrationsService->isLlmProcessingEnabled() && $this->aiIntegrationsService->isLlmAvailable(FreePromptTaskType::class)

lib/Service/AiIntegrations/AiIntegrationsService.php

@@ -72,7 +72,7 @@ public function summarizeMessages(Account $account, array $messages): void {
 			$this->logger->info('No text summary provider available');
 			return;
 		}
-		
+
 		$client = $this->clientFactory->getClient($account);
 		try {
 			foreach ($messages as $entry) {
@@ -356,6 +356,11 @@ public function isLlmAvailable(string $taskType): bool {
 		return in_array($taskType, $manager->getAvailableTaskTypes(), true);
 	}
 
+	public function isTaskAvailable(string $taskName): bool {
+		$availableTasks = $this->taskProcessingManager->getAvailableTaskTypes();
+		return array_key_exists($taskName, $availableTasks);
+	}
+
 	/**
 	 * Whether the llm_processing admin setting is enabled globally on this instance.
 	 */

src/components/Envelope.vue

@@ -249,13 +249,13 @@
 					</template>
 				</NcActionInput>
 
-				<ActionButton :aria-label="t('spreed', 'Set custom snooze')"
+				<ActionButton :aria-label="t('mail', 'Set custom snooze')"
 					close-after-click
 					@click.stop="setCustomSnooze(customSnoozeDateTime)">
 					<template #icon>
 						<CheckIcon :size="16" />
 					</template>
-					{{ t('spreed', 'Set custom snooze') }}
+					{{ t('mail', 'Set custom snooze') }}
 				</ActionButton>
 			</template>
 			<template v-if="moreActionsOpen">

src/components/MenuEnvelope.vue

@@ -72,6 +72,15 @@
 				</template>
 				{{ t('mail', 'Unsnooze') }}
 			</ActionButton>
+			<ActionButton v-if="isTranslationEnabled ?? false"
+				:close-after-click="true"
+				@click.prevent="$emit('open-translation-modal')">
+				<template #icon>
+					<TranslationIcon :title="t('mail', 'Translate')"
+						:size="16" />
+				</template>
+				{{ t('mail', 'Translate') }}
+			</ActionButton>
 			<ActionButton :close-after-click="false"
 				@click="localMoreActionsOpen=true">
 				<template #icon>
@@ -214,6 +223,7 @@ import ChevronLeft from 'vue-material-design-icons/ChevronLeft.vue'
 import DotsHorizontalIcon from 'vue-material-design-icons/DotsHorizontal.vue'
 import DownloadIcon from 'vue-material-design-icons/Download.vue'
 import PrinterIcon from 'vue-material-design-icons/Printer.vue'
+import TranslationIcon from 'vue-material-design-icons/Translate.vue'
 import { mailboxHasRights } from '../util/acl.js'
 import { generateUrl } from '@nextcloud/router'
 import InformationIcon from 'vue-material-design-icons/Information.vue'
@@ -247,6 +257,7 @@ export default {
 		ChevronLeft,
 		CheckIcon,
 		DotsHorizontalIcon,
+		TranslationIcon,
 		DownloadIcon,
 		InformationIcon,
 		OpenInNewIcon,
@@ -283,6 +294,11 @@ export default {
 			type: Boolean,
 			default: true,
 		},
+		isTranslationAvailable: {
+			type: Boolean,
+			required: false,
+			default: false,
+		},
 	},
 	data() {
 		return {
@@ -296,6 +312,7 @@ export default {
 	computed: {
 		...mapGetters([
 			'isSnoozeDisabled',
+			'isTranslationEnabled',
 		]),
 		account() {
 			const accountId = this.envelope.accountId ?? this.mailbox.accountId

src/components/ThreadEnvelope.vue

@@ -192,7 +192,8 @@
 							@open-tag-modal="onOpenTagModal"
 							@open-move-modal="onOpenMoveModal"
 							@open-event-modal="onOpenEventModal"
-							@open-task-modal="onOpenTaskModal" />
+							@open-task-modal="onOpenTaskModal"
+							@open-translation-modal="onOpenTranslationModal" />
 					</NcActions>
 					<NcModal v-if="showSourceModal" class="source-modal" @close="onCloseSourceModal">
 						<div class="source-modal-content">
@@ -217,6 +218,10 @@
 						:account="account"
 						:envelopes="[envelope]"
 						@close="onCloseTagModal" />
+					<TranslationModal v-if="showTranslationModal"
+						:rich-parameters="{}"
+						:message="plainTextBody"
+						@close="onCloseTranslationModal" />
 				</template>
 			</div>
 		</div>
@@ -299,6 +304,7 @@ import TagModal from './TagModal.vue'
 import MoveModal from './MoveModal.vue'
 import TaskModal from './TaskModal.vue'
 import EventModal from './EventModal.vue'
+import TranslationModal from './TranslationModal.vue'
 import axios from '@nextcloud/axios'
 import { generateUrl } from '@nextcloud/router'
 import { loadState } from '@nextcloud/initial-state'
@@ -307,6 +313,7 @@ import { mapStores } from 'pinia'
 import moment from '@nextcloud/moment'
 import { translateTagDisplayName } from '../util/tag.js'
 import { FOLLOW_UP_TAG_LABEL } from '../store/constants.js'
+import { Text, toPlain } from '../util/text.js'
 
 // Ternary loading state
 const LOADING_DONE = 0
@@ -321,6 +328,7 @@ export default {
 		TaskModal,
 		MoveModal,
 		TagModal,
+		TranslationModal,
 		ConfirmModal,
 		Avatar,
 		NcActionButton,
@@ -398,6 +406,8 @@ export default {
 			showEventModal: false,
 			showTaskModal: false,
 			showTagModal: false,
+			showTranslationModal: false,
+			plainTextBody: '',
 			rawMessage: '', // Will hold the raw source of the message when requested
 			isInternal: true,
 			enabledSmartReply: loadState('mail', 'llm_freeprompt_available', false),
@@ -863,6 +873,23 @@ export default {
 		onCloseTagModal() {
 			this.showTagModal = false
 		},
+		onOpenTranslationModal() {
+			try {
+				if (this.message.hasHtmlBody) {
+					let text = new Text('html', this.message.body)
+					text = toPlain(text)
+					this.plainTextBody = text.value
+				} else {
+					this.plainTextBody = this.message.body
+				}
+				this.showTranslationModal = true
+			} catch (error) {
+				showError(t('mail', 'Please wait for the message to load'))
+			}
+		},
+		onCloseTranslationModal() {
+			this.showTranslationModal = false
+		},
 		async onShowSourceModal() {
 			if (this.rawMessage.length === 0) {
 				const resp = await axios.get(