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POZend Framework Structure for Datamapper, Controller and Model
 

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  1. POZend Framework Structure for Datamapper, Controller and Model
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    <p>I have just started with Zend Framework, so I have lots of questions about the structure. I hope I can explain it properly, it's rather difficult.</p> <p>Ok, I have done the Quickstart Tutorial and decided to use a similar structure for my first project.</p> <p>So I have a Datamapper, a Model and the Database Table File.</p> <p>I have created a Form where I can enter a some Information(Item) and upload Images with it.</p> <p>I have 2 Datamapper (Item and Image) as well as 2 Models for them. I have an Item Controller, that one jumps into the ItemMapper. In the Datamapper I have a save Method. Please see below: </p> <pre><code> public function save(Application_Model_Item $item) { $data = array( 'item_title' =&gt; $item-&gt;getItemTitle(), 'item_description' =&gt; $item-&gt;getItemDescription(), ); $this-&gt;getDbTable()-&gt;insert($data); // Add Image Information ($imageData is Session Data) $table = new Application_Model_DbTable_Image(); foreach ($imageData as $fileData) { $image = new Application_Model_Image($fileData); $data = array( 'image_newname' =&gt; $image-&gt;getNewImageName(), 'image_thumbname' =&gt; $image-&gt;getImageThumbName(), ); $table-&gt;insert($data); } </code></pre> <p>Now the question I have.</p> <ol> <li>I have Getter and Setter in my Model. Should everything what is in the Item Database Table be in 1 Model? Means everything about the Image should go to the Image Model since it is in a different Database Table?</li> <li>Is it correct that I save the Information about the Image in the Item Mapper? Shoudl I not have a save() Method in the ImageMapper and save it in there? If so, how do I jump from the Item Mapper to the Image Mapper? Or would I first finish everything about the Item, return the ID to the Controller and than call the ImageMapper from the Controller?</li> <li><p>I read something about "Fat Model Thin Controller". I had this all the time in my had, but I noticed that my Controller got pretty fat with just putting the Form together. I have about 5 Dropdown Fields which are depending Dropdowns. When I saw that I duplicating Code I decided to add this in a separate Function. So f.e. I have a Dropdown for counties. I wrote a Function which is also in my Controller so it looks like this:</p> <pre><code>public function getCounties () </code></pre> <p>{ </p> <pre><code>// List of Counties does not exist in Cache, read from DB if(!$CountyList = $this-&gt;getFromCache('counties')){ $geolocationMapper = new Application_Model_GeolocationMapper(); $CountyDropdown = $geolocationMapper-&gt;createCountyDropdown(); // Save DB Result in Cache $this-&gt;addToCache ('counties',$CountyDropdown); return $CountyDropdown; } else{ // Return Country List from Cache return $this-&gt;getFromCache('counties'); } </code></pre> <p>} </p></li> </ol> <p>In my Add Function I use</p> <p>// Assign Geo Info to Form</p> <pre><code>$CountyList = $this-&gt;getCounties(); $form-&gt;getElement('county')-&gt;setMultiOptions($CountyList); </code></pre> <p>The Edit Function than</p> <pre><code>$CountyList = $this-&gt;getCounties(); $form-&gt;getElement('county')-&gt;setMultiOptions($CountyList)-&gt;setValue($activeCounty) </code></pre> <p>all the Functions like getCounties () stay in the Controller or should it be moved to the GeolocationMapper? And if so, how would that be called up?</p> <ol> <li>Should the Form be created in some Function so I would only call up something like createForm() ? I really have a lot of duplication (Add and Edit Function) and than Stuff comes from Database or Form was not Valid and it comes from Cache with a setValue. It just adds up when using dependable Dropdowns. </li> </ol> <p>I know this are lots of questions, but I have the feeling it gets very messy, as a learner you are happy when it works, but I would also like to structure it in a proper way. I hope it all makes sense.</p> <p>Maybe some of you have a few Tipps I could use. Thanks a lot for your help in advance.</p>
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    1. USDavid Snabel-Caunt
    1. USLuka
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    1. COThis seems more like a discussion. Perhaps it should be migrated to programmers.stackexchange.com
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      1. USbrady.vitrano
    2. COZend Framework is about OOP plus MVC and I sense that you are not familiar with both. Reminds me of my bumpy start with ZF. I literary threw away ZF for a few weeks and read books about OOP and MVC. Once you have that down the Framework is a breeze.
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      1. USAdrian World
 

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