110 lines
No EOL
2.5 KiB
JavaScript
110 lines
No EOL
2.5 KiB
JavaScript
/**
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* Helper service for tracking images needed by tags and caching them.
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*/
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angular.module('quay').factory('ImageLoaderService', ['ApiService', function(ApiService) {
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var imageLoader = function(namespace, name) {
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this.namespace = namespace;
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this.name = name;
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this.tagCache = {};
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this.images = [];
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this.imageMap = {};
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this.imageTagMap = {};
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};
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imageLoader.prototype.getTagSpecificImages = function(tag, callback) {
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var errorDisplay = ApiService.errorDisplay('Could not load tag specific images', function() {
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callback([]);
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});
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var params = {
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'repository': this.namespace + '/' + this.name,
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'tag': tag,
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'owned': true
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};
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ApiService.listTagImages(null, params).then(function(resp) {
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callback(resp['images']);
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}, errorDisplay);
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};
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imageLoader.prototype.getTagsForImage = function(image) {
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return this.imageTagMap[image.id] || [];
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};
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imageLoader.prototype.registerTagImages_ = function(tag, images) {
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this.tagCache[tag] = images;
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if (!images.length) {
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return;
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}
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var that = this;
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images.forEach(function(image) {
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if (!that.imageMap[image.id]) {
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that.imageMap[image.id] = image;
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that.images.push(image);
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}
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});
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var rootImage = images[0];
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if (!this.imageTagMap[rootImage.id]) {
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this.imageTagMap[rootImage.id] = [];
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}
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this.imageTagMap[rootImage.id].push(tag);
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}
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imageLoader.prototype.loadImages = function(tags, callback) {
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var toLoad = [];
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var that = this;
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tags.forEach(function(tag) {
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if (that.tagCache[tag]) {
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return;
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}
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toLoad.push(tag);
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});
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if (!toLoad.length) {
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callback();
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return;
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}
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var loadImages = function(index) {
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if (index >= toLoad.length) {
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callback();
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return;
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}
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var tag = toLoad[index];
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var params = {
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'repository': that.namespace + '/' + that.name,
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'tag': tag,
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};
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ApiService.listTagImages(null, params).then(function(resp) {
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that.registerTagImages_(tag, resp['images']);
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loadImages(index + 1);
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}, function() {
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loadImages(index + 1);
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})
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};
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loadImages(0);
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};
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imageLoader.prototype.reset = function() {
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this.tagCache = {};
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this.images = [];
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this.imageMap = {};
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this.imageTagMap = {};
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};
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var imageLoaderService = {};
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imageLoaderService.getLoader = function(namespace, name) {
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return new imageLoader(namespace, name);
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};
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return imageLoaderService
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}]); |