new mixin and component

Signed-off-by: Jakob Röhrl <jakob.roehrl@web.de>

src/mixins/attachmentUpload.js

@@ -0,0 +1,68 @@
+/*
+ * @copyright Copyright (c) 2020 Jakob Röhrl <jakob.roehrl@web.de>
+ *
+ * @author Jakob Röhrl <jakob.roehrl@web.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/>.
+ *
+ */
+import { showError } from '@nextcloud/dialogs'
+import { formatFileSize } from '@nextcloud/files'
+
+export default {
+	methods: {
+		async onLocalAttachmentSelected(file) {
+			if (this.maxUploadSize > 0 && file.size > this.maxUploadSize) {
+				showError(
+					t('deck', `Failed to upload {name}`, { name: file.name }) + ' - '
+						+ t('deck', 'Maximum file size of {size} exceeded', { size: formatFileSize(this.maxUploadSize) })
+				)
+				event.target.value = ''
+				return
+			}
+
+			const bodyFormData = new FormData()
+			bodyFormData.append('cardId', this.cardId)
+			bodyFormData.append('type', 'deck_file')
+			bodyFormData.append('file', file)
+			try {
+				await this.$store.dispatch('createAttachment', { cardId: this.cardId, formData: bodyFormData })
+			} catch (err) {
+				if (err.response.data.status === 409) {
+					this.overwriteAttachment = err.response.data.data
+					this.modalShow = true
+				} else {
+					showError(err.response.data.message)
+				}
+			}
+		},
+
+		overrideAttachment() {
+			const bodyFormData = new FormData()
+			bodyFormData.append('cardId', this.cardId)
+			bodyFormData.append('type', 'deck_file')
+			bodyFormData.append('file', this.file)
+			this.$store.dispatch('updateAttachment', {
+				cardId: this.cardId,
+				attachmentId: this.overwriteAttachment.id,
+				formData: bodyFormData,
+			})
+
+			this.modalShow = false
+		},
+
+	},
+}