1 files changed, 89 insertions, 0 deletions
diff --git a/addons/web_unsplash/static/src/js/unsplashapi.js b/addons/web_unsplash/static/src/js/unsplashapi.js
new file mode 100644
index 00000000..8156be6c
--- /dev/null
+++ b/addons/web_unsplash/static/src/js/unsplashapi.js
@@ -0,0 +1,89 @@
+odoo.define('unsplash.api', function (require) {
+'use strict';
+
+var Class = require('web.Class');
+var rpc = require('web.rpc');
+var Mixins = require('web.mixins');
+var ServicesMixin = require('web.ServicesMixin');
+
+var UnsplashCore = Class.extend(Mixins.EventDispatcherMixin, ServicesMixin, {
+    /**
+     * @constructor
+     */
+    init: function (parent) {
+        Mixins.EventDispatcherMixin.init.call(this, arguments);
+        this.setParent(parent);
+
+        this._cache = {};
+        this.clientId = false;
+    },
+
+    //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+    /**
+     * Gets unsplash images from query string.
+     *
+     * @param {String} query search terms
+     * @param {Integer} pageSize number of image to display per page
+     * @returns {Promise}
+     */
+    getImages: function (query, pageSize) {
+        var from = 0;
+        var to = pageSize;
+        var cachedData = this._cache[query];
+
+        if (cachedData && (cachedData.images.length >= to || (cachedData.totalImages !== 0 && cachedData.totalImages < to))) {
+            return Promise.resolve({ images: cachedData.images.slice(from, to), isMaxed: to > cachedData.totalImages });
+        }
+        return this._fetchImages(query).then(function (cachedData) {
+            return { images: cachedData.images.slice(from, to), isMaxed: to > cachedData.totalImages };
+        });
+    },
+
+    //--------------------------------------------------------------------------
+    // Private
+    //--------------------------------------------------------------------------
+
+    /**
+     * Fetches images from unsplash and stores it in cache
+     *
+     * @param {String} query search terms
+     * @returns {Promise}
+     * @private
+     */
+    _fetchImages: function (query) {
+        if (!this._cache[query]) {
+            this._cache[query] = {
+                images: [],
+                maxPages: 0,
+                totalImages: 0,
+                pageCached: 0
+            };
+        }
+        var cachedData = this._cache[query];
+        var payload = {
+            query: query,
+            page: cachedData.pageCached + 1,
+            per_page: 30, // max size from unsplash API
+        };
+        return this._rpc({
+            route: '/web_unsplash/fetch_images',
+            params: payload,
+        }).then(function (result) {
+            if (result.error) {
+                return Promise.reject(result.error);
+            }
+            cachedData.pageCached++;
+            cachedData.images.push.apply(cachedData.images, result.results);
+            cachedData.maxPages = result.total_pages;
+            cachedData.totalImages = result.total;
+            return cachedData;
+        });
+    },
+});
+
+return UnsplashCore;
+
+});