138 lines
3.3 KiB
JavaScript
138 lines
3.3 KiB
JavaScript
import { Meteor } from 'meteor/meteor';
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import { Mongo } from 'meteor/mongo';
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import { check } from 'meteor/check';
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import SimpleSchema from 'simpl-schema';
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let Slideshow = new Mongo.Collection('Slideshow');
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let SlideshowImage = new Mongo.Collection("SlideshowImage");
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Slideshow.attachSchema(new SimpleSchema({
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name: {
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type: String,
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label: "Name",
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optional: false,
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trim: true,
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index: 1,
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unique: true
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},
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images: { //A JSON array of image URL's.
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type: Array,
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label: "Images",
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optional: false,
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defaultValue: []
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},
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'images.$': {
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type: String
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},
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createdAt: {
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type: Date,
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label: "Created On",
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optional: true
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},
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updatedAt: {
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type: Date,
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label: "Updated On",
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optional: true
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}
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}));
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SlideshowImage.attachSchema(new SimpleSchema({
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image: {
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type: String,
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label: "Image",
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optional: false,
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trim: false
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}
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}));
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if(Meteor.isServer) Meteor.publish('slideshow', function() {
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return Slideshow.find({});
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});
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if(Meteor.isServer) {
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WebApp.connectHandlers.use("/slideshow-image/", (req, res, next) => {
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try {
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let id = req.url.substr(1);
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let slide = SlideshowImage.findOne(id);
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if(slide) {
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let i = slide.image.indexOf(";base64,");
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let header = slide.image.substr(5, i);
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let content = slide.image.substr(i + 8);
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let buffer = new Buffer(content, 'base64');
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res.writeHead(200, {'Content-Type': header});
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res.write(buffer);
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res.end();
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}
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else {
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//TODO: Write out a bad image picture.
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}
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} catch(err) {
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console.log(err);
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res.end();
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}
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});
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Meteor.methods({
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addSlideshowImage: function(slideshowId, image) {
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check(slideshowId, String);
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check(image, String);
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if(Roles.userIsInRole(this.userId, [Meteor.UserRoles.ROLE_UPDATE])) {
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let id = SlideshowImage.insert({image});
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if(id) {
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Slideshow.update(slideshowId, {$push: {images: id}});
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}
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else {
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throw new Meteor.Error(400, "Image storage failed.");
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}
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}
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else throw new Meteor.Error(403, "Not authorized.");
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},
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removeSlideshowImage: function(slideshowId, imageId) {
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check(slideshowId, String);
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check(imageId, String);
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//Note: there is currently no way in mongo to remove an element at an index.
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Slideshow.update(slideshowId, {$pull: {images: imageId}});
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},
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swapSlideshowImages: function(slideshowId, firstIndex, secondIndex) {
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check(slideshowId, String);
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check(firstIndex, Number);
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check(secondIndex, Number);
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let slideshow = Slideshow.findOne(slideshowId);
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let temp = slideshow.images[firstIndex];
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slideshow.images[firstIndex] = slideshow.images[secondIndex];
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slideshow.images[secondIndex] = temp;
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Slideshow.update(slideshowId, {$set: {images: slideshow.images}});
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},
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addSlideshow: function(name) {
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check(name, String);
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if(Roles.userIsInRole(this.userId, [Meteor.UserRoles.ROLE_UPDATE])) {
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const createdAt = new Date();
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const updatedAt = createdAt;
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const images = [];
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//Returns the id of the object created.
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return Slideshow.insert({name, images, createdAt, updatedAt});
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}
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else throw new Meteor.Error(403, "Not authorized.");
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},
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removeSlideshow: function(_id) {
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check(_id, String);
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if(Roles.userIsInRole(this.userId, [Meteor.UserRoles.ROLE_UPDATE])) {
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Slideshow.remove({_id});
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}
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else throw new Meteor.Error(403, "Not authorized.");
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}
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});
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}
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export default Slideshow;
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