MOO API Engineering Course

(cc) http://www.flickr.com/photos/laughingsquid

WHO, MOO?

MOO CERTIFIED API
ENGINEERING COURSE
• course length: 4.25 minutes

1. write-only API is for MOO Pack creation
2. Allow 100% flexibility in text and image layout on a
pack of cards (eventually)
3. But make simple templates the default (now)
4. Be as easy to use as the Flickr API (or nearly so)
5. Provide decent preview tools for developers
6. Share revenue with API keyholders (after 1.0)

(UN)DESIGN GOALS

1.Register for an API key
2.POST XML document to moo.com/api/api.php
3.Redirect users to MOO for checkout
4. Can specify return_path to bring user back to your site
at the end

HOW MOO WORKS

REGISTRATION

http://www.moo.com/api
need to register as a MOO user then get key.

HOW, MOO?

1 <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?>
2 <moo xsi:noNamespaceSchemaLocation=quot;http://www.moo.com/xsd/api_0.6.xsdquot;
xmlns:xsi=quot;http://www.w3.org/2001/XMLSchema-instancequot;>
3 <request> <version>0.6</version>
4 <api_key> 88888888-4444-88888888-88888888-4444</api_key>
5 <call>build</call>
6 </request>

STEP 2: Boilerplate crap

1 <?xml version=quot;1.0quot; encoding=quot;UTF-8quot;?>
2 <moo xsi:noNamespaceSchemaLocation=quot;http://www.moo.com/xsd/api_0.6.xsdquot;
xmlns:xsi=quot;http://www.w3.org/2001/XMLSchema-instancequot;>
3 <request> <version>0.6</version>
4 <api_key> 88888888-4444-88888888-88888888-4444</api_key>
5 <call>build</call>
6 </request>
7
8 <payload> <chooser>
9 <product_type>minicard</product_type>
10 <images>
11 <url>http://whitelabel.org/barcamplondon5.png</url>
12 </images>
13 </chooser> </payload> </moo>

STEP 2: Payload

STEP 3: Redirect user to MOO checkout

1.Simplest format: drop upto 200 images, user chooses
from within those.
2. Preselected images
3. Preselected images with specified crop, zoom data
4. Variable text, text colours, bold, etc

Details: images

Bleed
* minicard - 6%
* notecard - 3%
* sticker - 4%
• We have to cut the cards
* postcard - 2% • Stay out of the green area!
* greetingcard - 2%

WIN ! FAIL FAIL

Details: Bleed

1 <crop> <manual>
2 <x>161</x>
3 <y>203</y>
4 <width>572</width>
5 <height>572</height>
6 </manual> </crop>

1.You can specify the exact crop on an image
2. Will be stretched to fit the aspect ratio of the cards
Details: Cropping

• Will reject images under 300px by 300px
• going to refine and revise this -should be variable by
product
• and allow override
• no buddy icon support on minicards yet
• GIF, JPEG and PNG

Restrictions and gotchas

• can specify all text fields on all cards individually
• 3 fonts (serif, sans serif, fixed)
• bold
• alignment (depending on product)
• fully variable colour per text line
• 600 different colours in a 100 pack of minicards
• avoid pale colors for text lines, especially yellows

Details: text

10 <product>
11 <product_type>minicard</product_type>
12 <designs>
13 <design>
14 <image>
15 <url> http://whitelabel.com/barcamplondon5.jpg </url>
16 <type>variable</type>
17 <crop>
18 <auto>true</auto>
19 </crop>
20 </image>
21 <text_collection>
22 <minicard>
23 <text_line>
24 <id>1</id>
25 <string>This is line 1</string>
26 <bold>true</bold>
27 <align>left</align>
28 <font>modern</font>
29 <colour>#ff0000</colour>
30 </text_line>

Examples: variable text

• http://www.moo.com/api/validator.php
• validates XML document
• feedback
• generates pdf preview

Development and Testing

• Dan Coulter’s MOO-Builder library for PHP
• http://dancoulter.com/projects/moo-builder/
• supports all features of the API
• totally easy to use.

http://dancoulter.com/projects/moo-
builder/

http://dancoulter.com/projects/moo-
builder/

• http://search.cpan.org/dist/Net-Moo/

• (Aaron Straup from flickr)

Perl

• Ruminant 0.9.5: http://gems.github.com/list.html
(James Darling)

1 require 'moo'
2 moo = Moo::Order.new :api_key => quot;blahblahblahquot;
3 card = Moo::MiniCard.new
4 card.url = quot;http://whitelabel.org/barcamplondon5.jpgquot;
5 card.text = quot;I like tatoosn Oh yes I doquot;
6 moo.designs << card
7 moo.to_xml

Ruby

http://www.memespring.co.uk/stickers/

+

=
foolish live demos

• 15% Revenue Share to API key holders
(we will pay retroactively!)
• Business cards
• Fully variable text and imaging positioning

Coming soon

• Best API hacks this weekend
• Grand Prize: Flip.video
• post it online and email stefan@moo.com
• the most complex (dynamic text, other API integration)
• Openstreetmap integration?
• Warcraft guild cards?
• some image/metadata thingamy

Competition

MOO API Engineering Course

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