mirror of
https://mau.dev/maunium/synapse.git
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179 lines
7.3 KiB
JavaScript
179 lines
7.3 KiB
JavaScript
/*
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Copyright 2014 OpenMarket Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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'use strict';
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// TODO determine if this is really required as a separate service to matrixService.
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/*
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* Upload an HTML5 file to a server
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*/
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angular.module('mFileUpload', ['matrixService', 'mUtilities'])
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.service('mFileUpload', ['$q', 'matrixService', 'mUtilities', function ($q, matrixService, mUtilities) {
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/*
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* Upload an HTML5 file or blob to a server and returned a promise
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* that will provide the URL of the uploaded file.
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* @param {File|Blob} file the file data to send
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*/
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this.uploadFile = function(file) {
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var deferred = $q.defer();
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console.log("Uploading " + file.name + "... to /_matrix/content");
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matrixService.uploadContent(file).then(
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function(response) {
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var content_url = response.data.content_token;
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console.log(" -> Successfully uploaded! Available at " + content_url);
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deferred.resolve(content_url);
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},
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function(error) {
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console.log(" -> Failed to upload " + file.name);
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deferred.reject(error);
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}
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);
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return deferred.promise;
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};
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/*
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* Upload an image file plus generate a thumbnail of it and upload it so that
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* we will have all information to fulfill an image message request data.
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* @param {File} imageFile the imageFile to send
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* @param {Integer} thumbnailSize the max side size of the thumbnail to create
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* @returns {promise} A promise that will be resolved by a image message object
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* ready to be send with the Matrix API
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*/
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this.uploadImageAndThumbnail = function(imageFile, thumbnailSize) {
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var self = this;
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var deferred = $q.defer();
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console.log("uploadImageAndThumbnail " + imageFile.name + " - thumbnailSize: " + thumbnailSize);
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// The message structure that will be returned in the promise
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var imageMessage = {
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msgtype: "m.image",
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url: undefined,
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body: {
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size: undefined,
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w: undefined,
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h: undefined,
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mimetype: undefined
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},
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thumbnail_url: undefined,
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thumbnail_info: {
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size: undefined,
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w: undefined,
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h: undefined,
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mimetype: undefined
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}
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};
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// First, get the image size
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mUtilities.getImageSize(imageFile).then(
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function(size) {
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console.log("image size: " + JSON.stringify(size));
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// The final operation: send imageFile
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var uploadImage = function() {
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self.uploadFile(imageFile).then(
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function(url) {
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// Update message metadata
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imageMessage.url = url;
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imageMessage.body = {
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size: imageFile.size,
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w: size.width,
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h: size.height,
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mimetype: imageFile.type
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};
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// If there is no thumbnail (because the original image is smaller than thumbnailSize),
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// reuse the original image info for thumbnail data
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if (!imageMessage.thumbnail_url) {
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imageMessage.thumbnail_url = imageMessage.url;
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imageMessage.thumbnail_info = imageMessage.body;
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}
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// We are done
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deferred.resolve(imageMessage);
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},
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function(error) {
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console.log(" -> Can't upload image");
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deferred.reject(error);
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}
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);
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};
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// Create a thumbnail if the image size exceeds thumbnailSize
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if (Math.max(size.width, size.height) > thumbnailSize) {
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console.log(" Creating thumbnail...");
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mUtilities.resizeImage(imageFile, thumbnailSize).then(
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function(thumbnailBlob) {
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// Get its size
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mUtilities.getImageSize(thumbnailBlob).then(
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function(thumbnailSize) {
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console.log(" -> Thumbnail size: " + JSON.stringify(thumbnailSize));
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// Upload it to the server
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self.uploadFile(thumbnailBlob).then(
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function(thumbnailUrl) {
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// Update image message data
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imageMessage.thumbnail_url = thumbnailUrl;
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imageMessage.thumbnail_info = {
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size: thumbnailBlob.size,
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w: thumbnailSize.width,
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h: thumbnailSize.height,
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mimetype: thumbnailBlob.type
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};
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// Then, upload the original image
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uploadImage();
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},
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function(error) {
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console.log(" -> Can't upload thumbnail");
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deferred.reject(error);
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}
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);
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},
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function(error) {
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console.log(" -> Failed to get thumbnail size");
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deferred.reject(error);
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}
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);
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},
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function(error) {
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console.log(" -> Failed to create thumbnail: " + error);
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deferred.reject(error);
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}
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);
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}
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else {
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// No need of thumbnail
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console.log(" Thumbnail is not required");
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uploadImage();
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}
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},
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function(error) {
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console.log(" -> Failed to get image size");
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deferred.reject(error);
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}
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);
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return deferred.promise;
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};
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}]);
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