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HW7: done ex3

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Claudio Maggioni 2019-11-13 11:04:39 +01:00
parent 243b1f5f6a
commit ef9219d436
15 changed files with 5788 additions and 86 deletions
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1
hw7/Claudio_Maggioni/package.json
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@ -4,6 +4,7 @@
"description": "Exercise 7 of Web Atelier. Express.js and Mongoose",
"main": "app.js",
"scripts": {
"dustc": "cd ./views; dustc *.dust partials/*.dust -o ../public/js/views.js",
"start": "DEBUG='canvas-server' nodemon ./bin/www",
"test": "npm run test-mocha",
"test-mocha": "./node_modules/mocha/bin/mocha -R spec ./test/routes ./test/hypermedia"

19
hw7/Claudio_Maggioni/public/dustjs-linkedin/LICENSE Normal file
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@ -0,0 +1,19 @@
Copyright (c) 2010 Aleksander Williams
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

1157
hw7/Claudio_Maggioni/public/dustjs-linkedin/dust-core.js Normal file
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hw7/Claudio_Maggioni/public/dustjs-linkedin/dust-core.min.js vendored Normal file
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4359
hw7/Claudio_Maggioni/public/dustjs-linkedin/dust-full.js Normal file
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hw7/Claudio_Maggioni/public/dustjs-linkedin/dust-full.min.js vendored Normal file
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3
hw7/Claudio_Maggioni/public/js/fetch.js
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@ -81,6 +81,7 @@ function doJSONRequest(method, url, headers, data){
headers['Content-Type'] = JSON_MIME;
}
return doFetchRequest(method, url, headers, data).then(res => res.json());
return doFetchRequest(method, url, headers, data)
.then(res => res.status == 204 ? {} : res.json());
}

5
hw7/Claudio_Maggioni/public/js/views.js Normal file
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@ -0,0 +1,5 @@
(function(dust){dust.register("favourites",body_0);function body_0(chk,ctx){return chk.w("<html><head><meta charset=\"utf-8\">").x(ctx.get(["bookmarked"], false),ctx,{"else":body_1,"block":body_2},{}).w("</head><body>").x(ctx.get(["bookmarked"], false),ctx,{"else":body_3,"block":body_4},{}).s(ctx.get(["favs"], false),ctx,{"else":body_5,"block":body_6},{}).w("</body></html>");}body_0.__dustBody=!0;function body_1(chk,ctx){return chk.w("<title>Favourites</title>");}body_1.__dustBody=!0;function body_2(chk,ctx){return chk.w("<title>Bookmarked</title>");}body_2.__dustBody=!0;function body_3(chk,ctx){return chk.w("<h1>Favourites</h1>");}body_3.__dustBody=!0;function body_4(chk,ctx){return chk.w("<h1>Bookmarked</h1>");}body_4.__dustBody=!0;function body_5(chk,ctx){return chk.w("<strong>No favourites.</strong>");}body_5.__dustBody=!0;function body_6(chk,ctx){return chk.w("<div>").p("favourite_partial",ctx,ctx,{"name":ctx.get(["name"], false),"dataURL":ctx.get(["dataURL"], false),"_id":ctx.get(["_id"], false),"bookmarked":ctx.get(["bookmarked"], false),"details":"true"}).w("</div>");}body_6.__dustBody=!0;return body_0}(dust));
(function(dust){dust.register("500",body_0);function body_0(chk,ctx){return chk.w("<html><head><meta charset='utf-8'></head><body><h1>Error 500</h1><pre>").f(ctx.get(["err"], false),ctx,"h").w("</pre></body></html>");}body_0.__dustBody=!0;return body_0}(dust));
(function(dust){dust.register("index",body_0);function body_0(chk,ctx){return chk.w("<!DOCTYPE html><html><head><meta charset=\"utf-8\"><title>OO-JS Exercise - Web Atelier 2017</title><link rel=\"stylesheet\" href=\"https://maxcdn.bootstrapcdn.com/font-awesome/4.6.3/css/font-awesome.min.css\"><link rel=\"stylesheet\" href=\"style.css\"></head><body onload=\"init()\"><h1>OO-JS Exercise: Canvas</h1><div id=\"app\"><div id=\"left-toolbar\" class=\"toolbar\"><button id=\"clear-btn\">Clear</button><button id=\"undo-btn\">Undo</button><button id=\"camera-btn\"><i class=\"fa fa-camera\" aria-hidden=\"true\"></i></button></div><canvas id=\"canvas\" width=\"600\" height=\"400\"></canvas><div id=\"brush-toolbar\" class=\"toolbar\"><!-- Brushes buttons go here (programmatically). Each button should be a <button> element --></div></div><div id=\"favourites\"></div><script src=\"dustjs-linkedin/dust-full.min.js\"></script><script src=\"js/views.js\"></script><script src=\"js/fetch.js\"></script><script src=\"scripts/brushes.js\"></script><script src=\"scripts/undo.js\"></script><!-- <script src=\"scripts/clock.js\"></script> --><script src=\"scripts/app.js\"></script><script src=\"main.js\"></script></body></html>");}body_0.__dustBody=!0;return body_0}(dust));
(function(dust){dust.register("favourite_partial",body_0);function body_0(chk,ctx){return chk.w("<h3>").f(ctx.get(["name"], false),ctx,"h").w("</h3><img src=\"").f(ctx.get(["dataURL"], false),ctx,"h").w("\" alt=\"").f(ctx.get(["name"], false),ctx,"h").w("\">").x(ctx.get(["b"], false),ctx,{"block":body_1},{}).x(ctx.get(["details"], false),ctx,{"else":body_2,"block":body_5},{});}body_0.__dustBody=!0;function body_1(chk,ctx){return chk.w("<p><strong>Bookmarked</strong></p>");}body_1.__dustBody=!0;function body_2(chk,ctx){return chk.w("<form id=\"favourite").f(ctx.get(["_id"], false),ctx,"h").w("\" method=\"POST\" action=\"/favorites/").f(ctx.get(["_id"], false),ctx,"h").w("?_method=PUT\"><input type=\"hidden\" name=\"dataURL\" value=\"").f(ctx.get(["dataURL"], false),ctx,"h").w("\"><label for=\"name\">Name:</label><input type=\"text\" name=\"name\" placeholder=\"Name\" value=\"").f(ctx.get(["name"], false),ctx,"h").w("\"><br><button data-update>Update</button><br><button data-delete formaction=\"/favorites/").f(ctx.get(["_id"], false),ctx,"h").w("?_method=DELETE\">Delete</button><br>").x(ctx.get(["bookmarked"], false),ctx,{"else":body_3,"block":body_4},{}).w("</form>");}body_2.__dustBody=!0;function body_3(chk,ctx){return chk.w("<button data-bookmark name=\"bookmarked\" value=\"true\"formaction=\"/favorites/").f(ctx.get(["_id"], false),ctx,"h").w("/bookmarked?_method=PUT\">Add bookmark</button>");}body_3.__dustBody=!0;function body_4(chk,ctx){return chk.w("<button data-del-bookmark name=\"bookmarked\" value=\"false\"formaction=\"/favorites/").f(ctx.get(["_id"], false),ctx,"h").w("/bookmarked?_method=PUT\">Remove bookmark</button>");}body_4.__dustBody=!0;function body_5(chk,ctx){return chk.w("<a href=\"/favorites/").f(ctx.get(["_id"], false),ctx,"h").w("\">Details</a>");}body_5.__dustBody=!0;return body_0}(dust));
(function(dust){dust.register("favourite",body_0);function body_0(chk,ctx){return chk.w("<html><head><meta charset=\"utf-8\"><title>").f(ctx.get(["name"], false),ctx,"h").w("</title></head><body>").p("favourite_partial",ctx,ctx,{}).w("<a href=\"/favorites\">Favourites list</a></body></html>");}body_0.__dustBody=!0;return body_0}(dust));

208
hw7/Claudio_Maggioni/public/scripts/app.js
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@ -8,6 +8,149 @@ class App {
};
}
render_timestamp = 0;
render_last = null;
render_timeout = null;
registerFavoriteEvents(_id, dom) {
const form = dom.querySelector('form');
const delay = (f, ...args) => {
const execute = (f, ...args) => {
console.log("don't delay, solve Carzaniga today", ...args);
this.render_timestamp = new Date().getTime();
this.render_timeout = null;
this.render_last = null;
f(...args);
};
if (new Date().getTime() - this.render_timestamp < 100000) {
console.log("delaying", ...args);
this.render_last = () => execute(f, ...args);
if (this.render_timeout === null) {
this.render_timeout = setTimeout(() => this.render_last(), 100);
}
return;
}
execute(f, ...args);
}
form.querySelector('input[name=name]').onkeyup =
() => delay(submit, 'data-update', false);
const submit = (action, update = true) => {
let p;
const formData = new FormData(form);
const name = formData.get('name');
const dataURL = formData.get('dataURL');
switch (action) {
case 'data-update':
p = doJSONRequest('PUT', '/favorites/' + _id, {},
{ name, dataURL });
break;
case 'data-delete':
p = doJSONRequest('DELETE', '/favorites/' + _id);
break;
case 'data-bookmark':
p = doJSONRequest('PUT', `/favorites/${_id}/bookmarked`,
{}, { bookmarked: true });
break;
case 'data-del-bookmark':
p = doJSONRequest('PUT', `/favorites/${_id}/bookmarked`,
{}, { bookmarked: false });
break;
default:
console.warn(action, ' is not a valid action');
return;
}
p.catch(console.error);
if (action == 'data-delete' && update) {
p.then(_ => dom.remove());
} else if (update) {
p.then(e => this.renderFavorite(e, dom));
}
if (!update) {
// updating via javascript to not disrupt cursor in name when
// replacing html
dom.querySelector('h3').innerText = name;
}
};
form.onsubmit = e => {
e.preventDefault();
const formData = new FormData(form);
const name = formData.get('name');
const dataURL = formData.get('dataURL');
const action = e.explicitOriginalTarget.getAttributeNames()
.filter(e => e.startsWith('data-'))[0];
submit(action);
};
}
renderFavorite(data, div) {
data.bookmarked = data.bookmarked === true || data.bookmarked === 'true';
dust.render('favourite_partial',
data,
(err, out) => {
if (err) {
console.error(err);
} else {
let dom;
if (div === 'top' || !div) {
dom = document.createElement('div');
dom.id = 'favorite_' + data._id;
dom.innerHTML = out;
if (div === 'top') {
this.favourites.prepend(dom);
} else {
this.favourites.appendChild(dom);
}
} else {
div.innerHTML = out;
dom = div;
}
dom.className = data.bookmarked ? 'bookmarked' : '';
this.registerFavoriteEvents(data._id, dom);
}
});
}
getFavorites(nameFilter, onlyBookmarked = false) {
let url = '/favorites/search?ajax=true';
if (nameFilter) {
url += '&name=' + encodeURIComponent(nameFilter);
}
if (onlyBookmarked) {
url += '&bookmarked=true';
}
doFetchRequest('GET', url, { 'Accept': 'text/html' })
.then(res => res.text())
.then(html => {
this.favourites.innerHTML = html;
this.favourites.childNodes.forEach(e => {
const id = e.id.substring('favorite_'.length);
this.registerFavoriteEvents(id, e);
});
})
.catch(console.error);
}
constructor(conf) {
if (!(typeof conf === 'object' && conf)) {
throw new Error('Argument conf different from specification');
@ -21,6 +164,23 @@ class App {
this.ctx = this.canvas.getContext('2d');
this.favourites = document.querySelector('div#favourites');
this.getFavorites(false);
const nameFilter = document.getElementById('name-filter');
const bookmarkFilter = document.getElementById('bookmarked-filter');
const onSearch = () => {
const name = nameFilter.value;
const bookmark = bookmarkFilter.checked;
this.getFavorites(name, bookmark);
}
nameFilter.onkeyup = onSearch;
bookmarkFilter.onclick = onSearch;
if (typeof conf.buttons === 'object' && conf.buttons) {
this.buttons = {}
for (const b of ['clear', 'undo', 'camera'])
@ -44,37 +204,16 @@ class App {
if (this.buttons.camera) {
this.buttons.camera.addEventListener('click', () => {
const base64 = this.canvas.toDataURL();
const img = document.createElement('img');
img.src = base64;
const form = document.createElement('form');
form.method = 'POST';
form.action = '/favorites';
const data = {
dataURL: base64,
name: 'My New Masterpiece',
bookmarked: false
};
const image = document.createElement('input');
image.type = 'hidden';
image.name = 'dataURL';
image.value = base64;
form.appendChild(image);
const lblName = document.createElement('label');
lblName.setAttribute('for', 'name');
lblName.innerText = 'Name:';
form.appendChild(lblName);
const name = document.createElement('input');
name.type = 'text';
name.name = 'name';
name.placeholder = 'Name';
name.value = 'New Name';
form.appendChild(name);
const submit = document.createElement('button');
submit.innerText = 'Save';
form.appendChild(submit);
this.favourites.appendChild(img);
this.favourites.appendChild(form);
doJSONRequest("POST", "/favorites", {}, data)
.then(data => this.renderFavorite(data, 'top'))
.catch(console.error);
});
}
@ -85,17 +224,6 @@ class App {
const imgCanvas = document.createElement('canvas');
imgCanvas.width = this.canvas.width;
imgCanvas.height = this.canvas.height;
const imgCtx = imgCanvas.getContext('2d');
imgCtx.drawImage(player, 0, 0, canvas.width, canvas.height);
const imgData = imgCtx.getImageData(0, 0, imgCanvas.width,
imgCanvas.height);
for (let i = 0; i < data.length; i += 4) {
const pixel = (data[i] + 2 * data[i+1] + data[i+2]) / 4;
data[i] = data[i+1] = data[i+2] = pixel;
}
imgCtx.putImageData(imgData, 0, 0);
const img = document.createElement('img');
img.src = imgCanvas.toDataURL();
img.addEventListener('load', () => {

33
hw7/Claudio_Maggioni/routes/favourites_db_asaw/router.js
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@ -13,6 +13,9 @@ const { error, catchErrs, renderFav, parseId, notFound } = require('../utils');
async function findAndRender(filter, req, res) {
try {
if (filter.name) {
filter.name = { $regex: filter.name, $options: 'i' };
}
const favs = await Favorite.find(filter);
renderFav(req, res, favs);
} catch(e) {
@ -57,6 +60,7 @@ router.get('/search', async (req, res) => {
const filter = Object.assign({}, req.query);
delete filter['dataURL'];
delete filter['_method'];
delete filter['ajax'];
await findAndRender(filter, req, res);
});
@ -110,6 +114,7 @@ function handleUpdate(partial = false) {
}
res.status = 200;
Object.assign(fav, edit);
renderFav(req, res, fav, false);
} catch (e) {
error(e, res);
@ -139,24 +144,22 @@ router.delete('/:id', async (req, res) => {
}
});
router.put('/:id/bookmarked', (req, res) => {
router.put('/:id/bookmarked', async (req, res) => {
if (req.body.bookmarked !== true && req.body.bookmarked !== false &&
req.body.bookmarked !== "true" && req.body.bookmarked !== "false") {
res.writeHead(400, { 'Content-Type': 'text/plain' });
res.end('Bad PUT bookmark form parameters');
}
try {
const fav = Favorite.findByIdAndUpdate(parseId(req), {
$set: { bookmarked: req.body.bookmarked }
}, { new: true });
const fav = await Favorite.findById(parseId(req));
fav.bookmarked = req.body.bookmarked === true ||
req.body.bookmarked === "true";
fav.save();
if (notFound(fav, res)) {
return;
}
if (!req.body.bookmarked) {
res.writeHead(400, { 'Content-Type': 'text/plain' });
res.end('Bad PUT bookmark form parameters');
} else {
renderFav(req, res, fav, false);
}
renderFav(req, res, fav, false);
} catch (e) {
error(e, res);
notFound(null, res);
}
});

9
hw7/Claudio_Maggioni/routes/utils.js
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@ -28,8 +28,13 @@ function renderFav(req, res, favs, list = true) {
};
if (req.accepts('html')) {
res.render(list ? 'favourites.dust' : 'favourite.dust',
list ? { favs } : favs);
if (req.query.ajax === 'true' && list) {
res.render('server_side.dust', { favs });
} else if (list) {
res.render('favourites.dust', { favs });
} else {
res.render('favorite.dust', favs);
}
} else if (req.accepts('json')) {
if (list) {
favs = favs.map(makeTestsPass);

15
hw7/Claudio_Maggioni/views/favourite.dust
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@ -1,13 +1,14 @@
{! vim: set ts=2 sw=2 et tw=120: !}
<html>
<head>
<meta charset="utf-8">
<title>{name}</title>
</head>
<body>
{>"favourite_partial" /}
</body>
<head>
<meta charset="utf-8">
<title>{name}</title>
</head>
<body>
{>"favourite_partial" /}
<a href="/favorites">Favourites list</a>
</body>
</html>

29
hw7/Claudio_Maggioni/views/favourite_partial.dust
View file

@ -4,25 +4,24 @@
<img src="{dataURL}" alt="{name}">
{?b}
<p>
<strong>Bookmarked</strong>
<strong>Bookmarked</strong>
</p>
{/b}
{?details}
<a href="/favorites/{_id}">Details</a>
{:else}
<form method="POST" action="/favorites/{_id}?_method=PUT">
<input type="hidden" name="dataURL" value="{dataURL}">
<label for="name">Name:</label>
<input type="text" name="name" placeholder="Name" value="{name}"><br>
<button>Update</button><br>
<button formaction="/favorites/{_id}?_method=DELETE">Delete</button><br>
{?bookmarked}
<button name="bookmarked" value="false"
formaction="/favorites/{_id}/bookmarked?_method=PUT">Remove bookmark</button>
{:else}
<button name="bookmarked" value="true"
formaction="/favorites/{_id}/bookmarked?_method=PUT">Add bookmark</button>
{/bookmarked}
<form id="favourite{_id}" method="POST" action="/favorites/{_id}?_method=PUT">
<input type="hidden" name="dataURL" value="{dataURL}">
<label for="name">Name:</label>
<input type="text" name="name" placeholder="Name" value="{name}"><br>
<button data-update>Update</button><br>
<button data-delete formaction="/favorites/{_id}?_method=DELETE">Delete</button><br>
{?bookmarked}
<button data-del-bookmark name="bookmarked" value="false"
formaction="/favorites/{_id}/bookmarked?_method=PUT">Remove bookmark</button>
{:else}
<button data-bookmark name="bookmarked" value="true"
formaction="/favorites/{_id}/bookmarked?_method=PUT">Add bookmark</button>
{/bookmarked}
</form>
<a href="/favorites">Favourites list</a>
{/details}

18
hw7/Claudio_Maggioni/views/index.dust
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@ -2,7 +2,6 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>OO-JS Exercise - Web Atelier 2017</title>
@ -25,12 +24,19 @@
<!-- Brushes buttons go here (programmatically). Each button should be a <button> element -->
</div>
</div>
<h2>Favourites</h2>
<div id="favourites">
{#favs}
{>"favourite_partial" name=name dataURL=dataURL _id=_id bookmarked=bookmarked details="true" /}
{/favs}
<br>
<div>
<label for="name-filter">By name search:</label>
<input id="name-filter" type="text" placeholder="Search by name">
<br>
<label for="bookmarked-filter">Only bookmarked</label>
<input id="bookmarked-filter" type="checkbox">
</div>
<div id="favourites">
</div>
<script src="dustjs-linkedin/dust-full.min.js"></script>
<script src="js/views.js"></script>
<script src="js/fetch.js"></script>
<script src="scripts/brushes.js"></script>
<script src="scripts/undo.js"></script>
<!-- <script src="scripts/clock.js"></script> -->

9
hw7/Claudio_Maggioni/views/server_side.dust Normal file
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@ -0,0 +1,9 @@
{! vim: set ts=2 sw=2 et tw=120: !}
{#favs}
<div id="favorite_{_id}" class="{?bookmarked}bookmarked{/bookmarked}">
{>"favourite_partial" name=name dataURL=dataURL _id=_id bookmarked=bookmarked /}
</div>
{/favs}