Implement TextToImage OCP API

apps/settings/lib/Controller/AISettingsController.php

@@ -57,7 +57,7 @@ public function __construct(
 	 * @return DataResponse
 	 */
 	public function update($settings) {
-		$keys = ['ai.stt_provider', 'ai.textprocessing_provider_preferences', 'ai.translation_provider_preferences'];
+		$keys = ['ai.stt_provider', 'ai.textprocessing_provider_preferences', 'ai.translation_provider_preferences', 'ai.text2image_provider'];
 		foreach ($keys as $key) {
 			if (!isset($settings[$key])) {
 				continue;

apps/settings/lib/Settings/Admin/ArtificialIntelligence.php

@@ -48,6 +48,7 @@ public function __construct(
 		private ISpeechToTextManager $sttManager,
 		private IManager $textProcessingManager,
 		private ContainerInterface $container,
+		private \OCP\TextToImage\IManager $text2imageManager,
 	) {
 	}
 
@@ -101,15 +102,25 @@ public function getForm() {
 			];
 		}
 
+		$text2imageProviders = [];
+		foreach ($this->text2imageManager->getProviders() as $provider) {
+			$text2imageProviders[] = [
+				'id' => $provider->getId(),
+				'name' => $provider->getName(),
+			];
+		}
+
 		$this->initialState->provideInitialState('ai-stt-providers', $sttProviders);
 		$this->initialState->provideInitialState('ai-translation-providers', $translationProviders);
 		$this->initialState->provideInitialState('ai-text-processing-providers', $textProcessingProviders);
 		$this->initialState->provideInitialState('ai-text-processing-task-types', $textProcessingTaskTypes);
+		$this->initialState->provideInitialState('ai-text2image-providers', $text2imageProviders);
 
 		$settings = [
 			'ai.stt_provider' => count($sttProviders) > 0 ? $sttProviders[0]['class'] : null,
 			'ai.textprocessing_provider_preferences' => $textProcessingSettings,
 			'ai.translation_provider_preferences' => $translationPreferences,
+			'ai.text2image_provider' => count($text2imageProviders) > 0 ? $text2imageProviders[0]['id'] : null,
 		];
 		foreach ($settings as $key => $defaultValue) {
 			$value = $defaultValue;

apps/settings/src/components/AdminAI.vue

@@ -36,6 +36,24 @@
 				</NcCheckboxRadioSwitch>
 			</template>
 		</NcSettingsSection>
+		<NcSettingsSection :name="t('settings', 'Image generation')"
+			:description="t('settings', 'Image generation can be implemented by different apps. Here you can set which app should be used.')">
+			<template v-for="provider in text2imageProviders">
+				<NcCheckboxRadioSwitch :key="provider.id"
+					:checked.sync="settings['ai.text2image_provider']"
+					:value="provider.id"
+					name="text2image_provider"
+					type="radio"
+					@update:checked="saveChanges">
+					{{ provider.name }}
+				</NcCheckboxRadioSwitch>
+			</template>
+			<template v-if="!hasText2ImageProviders">
+				<NcCheckboxRadioSwitch disabled type="radio">
+					{{ t('settings', 'None of your currently installed apps provide image generation functionality') }}
+				</NcCheckboxRadioSwitch>
+			</template>
+		</NcSettingsSection>
 		<NcSettingsSection :name="t('settings', 'Text processing')"
 			:description="t('settings', 'Text processing tasks can be implemented by different apps. Here you can set which app should be used for which task.')">
 			<template v-for="type in tpTaskTypes">
@@ -88,7 +106,7 @@ export default {
 		DragVerticalIcon,
 		ArrowDownIcon,
 		ArrowUpIcon,
-		NcButton
+		NcButton,
 	},
 	data() {
 		return {
@@ -100,6 +118,7 @@ export default {
 			translationProviders: loadState('settings', 'ai-translation-providers'),
 			textProcessingProviders: loadState('settings', 'ai-text-processing-providers'),
 			textProcessingTaskTypes: loadState('settings', 'ai-text-processing-task-types'),
+			text2imageProviders: loadState('settings', 'ai-text2image-providers'),
 			settings: loadState('settings', 'ai-settings'),
 		}
 	},
@@ -113,21 +132,24 @@ export default {
 		tpTaskTypes() {
 			return Object.keys(this.settings['ai.textprocessing_provider_preferences']).filter(type => !!this.getTaskType(type))
 		},
+		hasText2ImageProviders() {
+		  return this.text2imageProviders.length > 0
+		},
 	},
 	methods: {
 	  moveUp(i) {
 			this.settings['ai.translation_provider_preferences'].splice(
 			  Math.min(i - 1, 0),
 				0,
-				...this.settings['ai.translation_provider_preferences'].splice(i, 1)
+				...this.settings['ai.translation_provider_preferences'].splice(i, 1),
 			)
 			this.saveChanges()
 		},
 		moveDown(i) {
 			this.settings['ai.translation_provider_preferences'].splice(
 				i + 1,
 				0,
-				...this.settings['ai.translation_provider_preferences'].splice(i, 1)
+				...this.settings['ai.translation_provider_preferences'].splice(i, 1),
 			)
 			this.saveChanges()
 		},

apps/testing/composer/composer/autoload_classmap.php

@@ -13,6 +13,7 @@
     'OCA\\Testing\\Controller\\LockingController' => $baseDir . '/../lib/Controller/LockingController.php',
     'OCA\\Testing\\Controller\\RateLimitTestController' => $baseDir . '/../lib/Controller/RateLimitTestController.php',
     'OCA\\Testing\\Locking\\FakeDBLockingProvider' => $baseDir . '/../lib/Locking/FakeDBLockingProvider.php',
+    'OCA\\Testing\\Provider\\FakeText2ImageProvider' => $baseDir . '/../lib/Provider/FakeText2ImageProvider.php',
     'OCA\\Testing\\Provider\\FakeTextProcessingProvider' => $baseDir . '/../lib/Provider/FakeTextProcessingProvider.php',
     'OCA\\Testing\\Provider\\FakeTranslationProvider' => $baseDir . '/../lib/Provider/FakeTranslationProvider.php',
 );

apps/testing/composer/composer/autoload_static.php

@@ -28,6 +28,7 @@ class ComposerStaticInitTesting
         'OCA\\Testing\\Controller\\LockingController' => __DIR__ . '/..' . '/../lib/Controller/LockingController.php',
         'OCA\\Testing\\Controller\\RateLimitTestController' => __DIR__ . '/..' . '/../lib/Controller/RateLimitTestController.php',
         'OCA\\Testing\\Locking\\FakeDBLockingProvider' => __DIR__ . '/..' . '/../lib/Locking/FakeDBLockingProvider.php',
+        'OCA\\Testing\\Provider\\FakeText2ImageProvider' => __DIR__ . '/..' . '/../lib/Provider/FakeText2ImageProvider.php',
         'OCA\\Testing\\Provider\\FakeTextProcessingProvider' => __DIR__ . '/..' . '/../lib/Provider/FakeTextProcessingProvider.php',
         'OCA\\Testing\\Provider\\FakeTranslationProvider' => __DIR__ . '/..' . '/../lib/Provider/FakeTranslationProvider.php',
     );

apps/testing/lib/AppInfo/Application.php

@@ -25,6 +25,7 @@
 namespace OCA\Testing\AppInfo;
 
 use OCA\Testing\AlternativeHomeUserBackend;
+use OCA\Testing\Provider\FakeText2ImageProvider;
 use OCA\Testing\Provider\FakeTranslationProvider;
 use OCA\Testing\Provider\FakeTextProcessingProvider;
 use OCP\AppFramework\App;
@@ -40,6 +41,7 @@ public function __construct(array $urlParams = []) {
 	public function register(IRegistrationContext $context): void {
 		$context->registerTranslationProvider(FakeTranslationProvider::class);
 		$context->registerTextProcessingProvider(FakeTextProcessingProvider::class);
+		$context->registerTextToImageProvider(FakeText2ImageProvider::class);
 	}
 
 	public function boot(IBootContext $context): void {

apps/testing/lib/Provider/FakeText2ImageProvider.php

@@ -0,0 +1,48 @@
+<?php
+/**
+ * @copyright Copyright (c) 2023 Marcel Klehr <mklehr@gmx.net>
+ *
+ * @author Marcel Klehr <mklehr@gmx.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/>.
+ */
+
+namespace OCA\Testing\Provider;
+
+use OCP\TextToImage\IProvider;
+
+class FakeText2ImageProvider implements IProvider {
+
+	public function getName(): string {
+		return 'Fake Text2Image provider';
+	}
+
+	public function generate(string $prompt, array $resources): void {
+		foreach ($resources as $resource) {
+			$read = fopen(__DIR__ . '/../../img/logo.png', 'r');
+			stream_copy_to_stream($read, $resource);
+			fclose($read);
+		}
+	}
+
+	public function getExpectedRuntime(): int {
+		return 1;
+	}
+
+	public function getId(): string {
+		return 'testing-fake-text2image-provider';
+	}
+}