datahub/docs/src/backend.memory.html
2012-07-05 15:39:30 +01:00

151 lines
37 KiB
HTML

<!DOCTYPE html> <html> <head> <title>backend.memory.js</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <link rel="stylesheet" media="all" href="docco.css" /> </head> <body> <div id="container"> <div id="background"></div> <div id="jump_to"> Jump To &hellip; <div id="jump_wrapper"> <div id="jump_page"> <a class="source" href="backend.couchdb.html"> backend.couchdb.js </a> <a class="source" href="backend.csv.html"> backend.csv.js </a> <a class="source" href="backend.dataproxy.html"> backend.dataproxy.js </a> <a class="source" href="backend.elasticsearch.html"> backend.elasticsearch.js </a> <a class="source" href="backend.gdocs.html"> backend.gdocs.js </a> <a class="source" href="backend.memory.html"> backend.memory.js </a> <a class="source" href="costco.html"> costco.js </a> <a class="source" href="model.html"> model.js </a> <a class="source" href="view.graph.html"> view.graph.js </a> <a class="source" href="view.grid.html"> view.grid.js </a> <a class="source" href="view.map.html"> view.map.js </a> <a class="source" href="view.multiview.html"> view.multiview.js </a> <a class="source" href="view.slickgrid.html"> view.slickgrid.js </a> <a class="source" href="view.timeline.html"> view.timeline.js </a> <a class="source" href="view.transform.html"> view.transform.js </a> <a class="source" href="widget.facetviewer.html"> widget.facetviewer.js </a> <a class="source" href="widget.fields.html"> widget.fields.js </a> <a class="source" href="widget.filtereditor.html"> widget.filtereditor.js </a> <a class="source" href="widget.pager.html"> widget.pager.js </a> <a class="source" href="widget.queryeditor.html"> widget.queryeditor.js </a> </div> </div> </div> <table cellpadding="0" cellspacing="0"> <thead> <tr> <th class="docs"> <h1> backend.memory.js </h1> </th> <th class="code"> </th> </tr> </thead> <tbody> <tr id="section-1"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-1">&#182;</a> </div> </td> <td class="code"> <div class="highlight"><pre><span class="k">this</span><span class="p">.</span><span class="nx">recline</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">recline</span> <span class="o">||</span> <span class="p">{};</span>
<span class="k">this</span><span class="p">.</span><span class="nx">recline</span><span class="p">.</span><span class="nx">Backend</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">recline</span><span class="p">.</span><span class="nx">Backend</span> <span class="o">||</span> <span class="p">{};</span>
<span class="k">this</span><span class="p">.</span><span class="nx">recline</span><span class="p">.</span><span class="nx">Backend</span><span class="p">.</span><span class="nx">Memory</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">recline</span><span class="p">.</span><span class="nx">Backend</span><span class="p">.</span><span class="nx">Memory</span> <span class="o">||</span> <span class="p">{};</span>
<span class="p">(</span><span class="kd">function</span><span class="p">(</span><span class="nx">$</span><span class="p">,</span> <span class="nx">my</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">my</span><span class="p">.</span><span class="nx">__type__</span> <span class="o">=</span> <span class="s1">&#39;memory&#39;</span><span class="p">;</span></pre></div> </td> </tr> <tr id="section-2"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-2">&#182;</a> </div> <h2>Data Wrapper</h2>
<p>Turn a simple array of JS objects into a mini data-store with
functionality like querying, faceting, updating (by ID) and deleting (by
ID).</p>
<p>@param data list of hashes for each record/row in the data ({key:
value, key: value})
@param fields (optional) list of field hashes (each hash defining a field
as per recline.Model.Field). If fields not specified they will be taken
from the data.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">my</span><span class="p">.</span><span class="nx">Store</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">data</span><span class="p">,</span> <span class="nx">fields</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">self</span> <span class="o">=</span> <span class="k">this</span><span class="p">;</span>
<span class="k">this</span><span class="p">.</span><span class="nx">data</span> <span class="o">=</span> <span class="nx">data</span><span class="p">;</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">fields</span><span class="p">)</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">fields</span> <span class="o">=</span> <span class="nx">fields</span><span class="p">;</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">data</span><span class="p">)</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">fields</span> <span class="o">=</span> <span class="nx">_</span><span class="p">.</span><span class="nx">map</span><span class="p">(</span><span class="nx">data</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="kd">function</span><span class="p">(</span><span class="nx">value</span><span class="p">,</span> <span class="nx">key</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="p">{</span><span class="nx">id</span><span class="o">:</span> <span class="nx">key</span><span class="p">};</span>
<span class="p">});</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="k">this</span><span class="p">.</span><span class="nx">update</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">doc</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">_</span><span class="p">.</span><span class="nx">each</span><span class="p">(</span><span class="nx">self</span><span class="p">.</span><span class="nx">data</span><span class="p">,</span> <span class="kd">function</span><span class="p">(</span><span class="nx">internalDoc</span><span class="p">,</span> <span class="nx">idx</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span><span class="p">(</span><span class="nx">doc</span><span class="p">.</span><span class="nx">id</span> <span class="o">===</span> <span class="nx">internalDoc</span><span class="p">.</span><span class="nx">id</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">self</span><span class="p">.</span><span class="nx">data</span><span class="p">[</span><span class="nx">idx</span><span class="p">]</span> <span class="o">=</span> <span class="nx">doc</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">});</span>
<span class="p">};</span>
<span class="k">this</span><span class="p">.</span><span class="k">delete</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">doc</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">newdocs</span> <span class="o">=</span> <span class="nx">_</span><span class="p">.</span><span class="nx">reject</span><span class="p">(</span><span class="nx">self</span><span class="p">.</span><span class="nx">data</span><span class="p">,</span> <span class="kd">function</span><span class="p">(</span><span class="nx">internalDoc</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="p">(</span><span class="nx">doc</span><span class="p">.</span><span class="nx">id</span> <span class="o">===</span> <span class="nx">internalDoc</span><span class="p">.</span><span class="nx">id</span><span class="p">);</span>
<span class="p">});</span>
<span class="k">this</span><span class="p">.</span><span class="nx">data</span> <span class="o">=</span> <span class="nx">newdocs</span><span class="p">;</span>
<span class="p">};</span>
<span class="k">this</span><span class="p">.</span><span class="nx">save</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">changes</span><span class="p">,</span> <span class="nx">dataset</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">self</span> <span class="o">=</span> <span class="k">this</span><span class="p">;</span>
<span class="kd">var</span> <span class="nx">dfd</span> <span class="o">=</span> <span class="nx">$</span><span class="p">.</span><span class="nx">Deferred</span><span class="p">();</span></pre></div> </td> </tr> <tr id="section-3"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-3">&#182;</a> </div> <p>TODO _.each(changes.creates) { ... }</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">_</span><span class="p">.</span><span class="nx">each</span><span class="p">(</span><span class="nx">changes</span><span class="p">.</span><span class="nx">updates</span><span class="p">,</span> <span class="kd">function</span><span class="p">(</span><span class="nx">record</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">self</span><span class="p">.</span><span class="nx">update</span><span class="p">(</span><span class="nx">record</span><span class="p">);</span>
<span class="p">});</span>
<span class="nx">_</span><span class="p">.</span><span class="nx">each</span><span class="p">(</span><span class="nx">changes</span><span class="p">.</span><span class="nx">deletes</span><span class="p">,</span> <span class="kd">function</span><span class="p">(</span><span class="nx">record</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">self</span><span class="p">.</span><span class="k">delete</span><span class="p">(</span><span class="nx">record</span><span class="p">);</span>
<span class="p">});</span>
<span class="nx">dfd</span><span class="p">.</span><span class="nx">resolve</span><span class="p">();</span>
<span class="k">return</span> <span class="nx">dfd</span><span class="p">.</span><span class="nx">promise</span><span class="p">();</span>
<span class="p">},</span>
<span class="k">this</span><span class="p">.</span><span class="nx">query</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">queryObj</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">dfd</span> <span class="o">=</span> <span class="nx">$</span><span class="p">.</span><span class="nx">Deferred</span><span class="p">();</span>
<span class="kd">var</span> <span class="nx">numRows</span> <span class="o">=</span> <span class="nx">queryObj</span><span class="p">.</span><span class="nx">size</span> <span class="o">||</span> <span class="k">this</span><span class="p">.</span><span class="nx">data</span><span class="p">.</span><span class="nx">length</span><span class="p">;</span>
<span class="kd">var</span> <span class="nx">start</span> <span class="o">=</span> <span class="nx">queryObj</span><span class="p">.</span><span class="nx">from</span> <span class="o">||</span> <span class="mi">0</span><span class="p">;</span>
<span class="kd">var</span> <span class="nx">results</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">data</span><span class="p">;</span>
<span class="nx">results</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">_applyFilters</span><span class="p">(</span><span class="nx">results</span><span class="p">,</span> <span class="nx">queryObj</span><span class="p">);</span>
<span class="nx">results</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">_applyFreeTextQuery</span><span class="p">(</span><span class="nx">results</span><span class="p">,</span> <span class="nx">queryObj</span><span class="p">);</span></pre></div> </td> </tr> <tr id="section-4"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-4">&#182;</a> </div> <p>not complete sorting!</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">_</span><span class="p">.</span><span class="nx">each</span><span class="p">(</span><span class="nx">queryObj</span><span class="p">.</span><span class="nx">sort</span><span class="p">,</span> <span class="kd">function</span><span class="p">(</span><span class="nx">sortObj</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">fieldName</span> <span class="o">=</span> <span class="nx">_</span><span class="p">.</span><span class="nx">keys</span><span class="p">(</span><span class="nx">sortObj</span><span class="p">)[</span><span class="mi">0</span><span class="p">];</span>
<span class="nx">results</span> <span class="o">=</span> <span class="nx">_</span><span class="p">.</span><span class="nx">sortBy</span><span class="p">(</span><span class="nx">results</span><span class="p">,</span> <span class="kd">function</span><span class="p">(</span><span class="nx">doc</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">_out</span> <span class="o">=</span> <span class="nx">doc</span><span class="p">[</span><span class="nx">fieldName</span><span class="p">];</span>
<span class="k">return</span> <span class="nx">_out</span><span class="p">;</span>
<span class="p">});</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">sortObj</span><span class="p">[</span><span class="nx">fieldName</span><span class="p">].</span><span class="nx">order</span> <span class="o">==</span> <span class="s1">&#39;desc&#39;</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">results</span><span class="p">.</span><span class="nx">reverse</span><span class="p">();</span>
<span class="p">}</span>
<span class="p">});</span>
<span class="kd">var</span> <span class="nx">facets</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">computeFacets</span><span class="p">(</span><span class="nx">results</span><span class="p">,</span> <span class="nx">queryObj</span><span class="p">);</span>
<span class="kd">var</span> <span class="nx">out</span> <span class="o">=</span> <span class="p">{</span>
<span class="nx">total</span><span class="o">:</span> <span class="nx">results</span><span class="p">.</span><span class="nx">length</span><span class="p">,</span>
<span class="nx">hits</span><span class="o">:</span> <span class="nx">results</span><span class="p">.</span><span class="nx">slice</span><span class="p">(</span><span class="nx">start</span><span class="p">,</span> <span class="nx">start</span><span class="o">+</span><span class="nx">numRows</span><span class="p">),</span>
<span class="nx">facets</span><span class="o">:</span> <span class="nx">facets</span>
<span class="p">};</span>
<span class="nx">dfd</span><span class="p">.</span><span class="nx">resolve</span><span class="p">(</span><span class="nx">out</span><span class="p">);</span>
<span class="k">return</span> <span class="nx">dfd</span><span class="p">.</span><span class="nx">promise</span><span class="p">();</span>
<span class="p">};</span></pre></div> </td> </tr> <tr id="section-5"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-5">&#182;</a> </div> <p>in place filtering</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">this</span><span class="p">.</span><span class="nx">_applyFilters</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">results</span><span class="p">,</span> <span class="nx">queryObj</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">_</span><span class="p">.</span><span class="nx">each</span><span class="p">(</span><span class="nx">queryObj</span><span class="p">.</span><span class="nx">filters</span><span class="p">,</span> <span class="kd">function</span><span class="p">(</span><span class="nx">filter</span><span class="p">)</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-6"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-6">&#182;</a> </div> <p>if a term filter ...</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">if</span> <span class="p">(</span><span class="nx">filter</span><span class="p">.</span><span class="nx">type</span> <span class="o">===</span> <span class="s1">&#39;term&#39;</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">results</span> <span class="o">=</span> <span class="nx">_</span><span class="p">.</span><span class="nx">filter</span><span class="p">(</span><span class="nx">results</span><span class="p">,</span> <span class="kd">function</span><span class="p">(</span><span class="nx">doc</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="p">(</span><span class="nx">doc</span><span class="p">[</span><span class="nx">filter</span><span class="p">.</span><span class="nx">field</span><span class="p">]</span> <span class="o">==</span> <span class="nx">filter</span><span class="p">.</span><span class="nx">term</span><span class="p">);</span>
<span class="p">});</span>
<span class="p">}</span>
<span class="p">});</span>
<span class="k">return</span> <span class="nx">results</span><span class="p">;</span>
<span class="p">};</span></pre></div> </td> </tr> <tr id="section-7"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-7">&#182;</a> </div> <p>we OR across fields but AND across terms in query string</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">this</span><span class="p">.</span><span class="nx">_applyFreeTextQuery</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">results</span><span class="p">,</span> <span class="nx">queryObj</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">queryObj</span><span class="p">.</span><span class="nx">q</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">terms</span> <span class="o">=</span> <span class="nx">queryObj</span><span class="p">.</span><span class="nx">q</span><span class="p">.</span><span class="nx">split</span><span class="p">(</span><span class="s1">&#39; &#39;</span><span class="p">);</span>
<span class="nx">results</span> <span class="o">=</span> <span class="nx">_</span><span class="p">.</span><span class="nx">filter</span><span class="p">(</span><span class="nx">results</span><span class="p">,</span> <span class="kd">function</span><span class="p">(</span><span class="nx">rawdoc</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">matches</span> <span class="o">=</span> <span class="kc">true</span><span class="p">;</span>
<span class="nx">_</span><span class="p">.</span><span class="nx">each</span><span class="p">(</span><span class="nx">terms</span><span class="p">,</span> <span class="kd">function</span><span class="p">(</span><span class="nx">term</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">foundmatch</span> <span class="o">=</span> <span class="kc">false</span><span class="p">;</span>
<span class="nx">_</span><span class="p">.</span><span class="nx">each</span><span class="p">(</span><span class="nx">self</span><span class="p">.</span><span class="nx">fields</span><span class="p">,</span> <span class="kd">function</span><span class="p">(</span><span class="nx">field</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">value</span> <span class="o">=</span> <span class="nx">rawdoc</span><span class="p">[</span><span class="nx">field</span><span class="p">.</span><span class="nx">id</span><span class="p">];</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">value</span> <span class="o">!==</span> <span class="kc">null</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">value</span> <span class="o">=</span> <span class="nx">value</span><span class="p">.</span><span class="nx">toString</span><span class="p">();</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-8"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-8">&#182;</a> </div> <p>value can be null (apparently in some cases)</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">value</span> <span class="o">=</span> <span class="s1">&#39;&#39;</span><span class="p">;</span>
<span class="p">}</span></pre></div> </td> </tr> <tr id="section-9"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-9">&#182;</a> </div> <p>TODO regexes?</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">foundmatch</span> <span class="o">=</span> <span class="nx">foundmatch</span> <span class="o">||</span> <span class="p">(</span><span class="nx">value</span><span class="p">.</span><span class="nx">toLowerCase</span><span class="p">()</span> <span class="o">===</span> <span class="nx">term</span><span class="p">.</span><span class="nx">toLowerCase</span><span class="p">());</span></pre></div> </td> </tr> <tr id="section-10"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-10">&#182;</a> </div> <p>TODO: early out (once we are true should break to spare unnecessary testing)
if (foundmatch) return true;</p> </td> <td class="code"> <div class="highlight"><pre> <span class="p">});</span>
<span class="nx">matches</span> <span class="o">=</span> <span class="nx">matches</span> <span class="o">&amp;&amp;</span> <span class="nx">foundmatch</span><span class="p">;</span></pre></div> </td> </tr> <tr id="section-11"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-11">&#182;</a> </div> <p>TODO: early out (once false should break to spare unnecessary testing)
if (!matches) return false;</p> </td> <td class="code"> <div class="highlight"><pre> <span class="p">});</span>
<span class="k">return</span> <span class="nx">matches</span><span class="p">;</span>
<span class="p">});</span>
<span class="p">}</span>
<span class="k">return</span> <span class="nx">results</span><span class="p">;</span>
<span class="p">};</span>
<span class="k">this</span><span class="p">.</span><span class="nx">computeFacets</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">records</span><span class="p">,</span> <span class="nx">queryObj</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">facetResults</span> <span class="o">=</span> <span class="p">{};</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">queryObj</span><span class="p">.</span><span class="nx">facets</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">facetResults</span><span class="p">;</span>
<span class="p">}</span>
<span class="nx">_</span><span class="p">.</span><span class="nx">each</span><span class="p">(</span><span class="nx">queryObj</span><span class="p">.</span><span class="nx">facets</span><span class="p">,</span> <span class="kd">function</span><span class="p">(</span><span class="nx">query</span><span class="p">,</span> <span class="nx">facetId</span><span class="p">)</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-12"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-12">&#182;</a> </div> <p>TODO: remove dependency on recline.Model</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">facetResults</span><span class="p">[</span><span class="nx">facetId</span><span class="p">]</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">recline</span><span class="p">.</span><span class="nx">Model</span><span class="p">.</span><span class="nx">Facet</span><span class="p">({</span><span class="nx">id</span><span class="o">:</span> <span class="nx">facetId</span><span class="p">}).</span><span class="nx">toJSON</span><span class="p">();</span>
<span class="nx">facetResults</span><span class="p">[</span><span class="nx">facetId</span><span class="p">].</span><span class="nx">termsall</span> <span class="o">=</span> <span class="p">{};</span>
<span class="p">});</span></pre></div> </td> </tr> <tr id="section-13"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-13">&#182;</a> </div> <p>faceting</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">_</span><span class="p">.</span><span class="nx">each</span><span class="p">(</span><span class="nx">records</span><span class="p">,</span> <span class="kd">function</span><span class="p">(</span><span class="nx">doc</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">_</span><span class="p">.</span><span class="nx">each</span><span class="p">(</span><span class="nx">queryObj</span><span class="p">.</span><span class="nx">facets</span><span class="p">,</span> <span class="kd">function</span><span class="p">(</span><span class="nx">query</span><span class="p">,</span> <span class="nx">facetId</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">fieldId</span> <span class="o">=</span> <span class="nx">query</span><span class="p">.</span><span class="nx">terms</span><span class="p">.</span><span class="nx">field</span><span class="p">;</span>
<span class="kd">var</span> <span class="nx">val</span> <span class="o">=</span> <span class="nx">doc</span><span class="p">[</span><span class="nx">fieldId</span><span class="p">];</span>
<span class="kd">var</span> <span class="nx">tmp</span> <span class="o">=</span> <span class="nx">facetResults</span><span class="p">[</span><span class="nx">facetId</span><span class="p">];</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">val</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">tmp</span><span class="p">.</span><span class="nx">termsall</span><span class="p">[</span><span class="nx">val</span><span class="p">]</span> <span class="o">=</span> <span class="nx">tmp</span><span class="p">.</span><span class="nx">termsall</span><span class="p">[</span><span class="nx">val</span><span class="p">]</span> <span class="o">?</span> <span class="nx">tmp</span><span class="p">.</span><span class="nx">termsall</span><span class="p">[</span><span class="nx">val</span><span class="p">]</span> <span class="o">+</span> <span class="mi">1</span> <span class="o">:</span> <span class="mi">1</span><span class="p">;</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="nx">tmp</span><span class="p">.</span><span class="nx">missing</span> <span class="o">=</span> <span class="nx">tmp</span><span class="p">.</span><span class="nx">missing</span> <span class="o">+</span> <span class="mi">1</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">});</span>
<span class="p">});</span>
<span class="nx">_</span><span class="p">.</span><span class="nx">each</span><span class="p">(</span><span class="nx">queryObj</span><span class="p">.</span><span class="nx">facets</span><span class="p">,</span> <span class="kd">function</span><span class="p">(</span><span class="nx">query</span><span class="p">,</span> <span class="nx">facetId</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">tmp</span> <span class="o">=</span> <span class="nx">facetResults</span><span class="p">[</span><span class="nx">facetId</span><span class="p">];</span>
<span class="kd">var</span> <span class="nx">terms</span> <span class="o">=</span> <span class="nx">_</span><span class="p">.</span><span class="nx">map</span><span class="p">(</span><span class="nx">tmp</span><span class="p">.</span><span class="nx">termsall</span><span class="p">,</span> <span class="kd">function</span><span class="p">(</span><span class="nx">count</span><span class="p">,</span> <span class="nx">term</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="p">{</span> <span class="nx">term</span><span class="o">:</span> <span class="nx">term</span><span class="p">,</span> <span class="nx">count</span><span class="o">:</span> <span class="nx">count</span> <span class="p">};</span>
<span class="p">});</span>
<span class="nx">tmp</span><span class="p">.</span><span class="nx">terms</span> <span class="o">=</span> <span class="nx">_</span><span class="p">.</span><span class="nx">sortBy</span><span class="p">(</span><span class="nx">terms</span><span class="p">,</span> <span class="kd">function</span><span class="p">(</span><span class="nx">item</span><span class="p">)</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-14"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-14">&#182;</a> </div> <p>want descending order</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">return</span> <span class="o">-</span><span class="nx">item</span><span class="p">.</span><span class="nx">count</span><span class="p">;</span>
<span class="p">});</span>
<span class="nx">tmp</span><span class="p">.</span><span class="nx">terms</span> <span class="o">=</span> <span class="nx">tmp</span><span class="p">.</span><span class="nx">terms</span><span class="p">.</span><span class="nx">slice</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">10</span><span class="p">);</span>
<span class="p">});</span>
<span class="k">return</span> <span class="nx">facetResults</span><span class="p">;</span>
<span class="p">};</span>
<span class="k">this</span><span class="p">.</span><span class="nx">transform</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">editFunc</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">toUpdate</span> <span class="o">=</span> <span class="nx">costco</span><span class="p">.</span><span class="nx">mapDocs</span><span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">data</span><span class="p">,</span> <span class="nx">editFunc</span><span class="p">);</span></pre></div> </td> </tr> <tr id="section-15"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-15">&#182;</a> </div> <p>TODO: very inefficient -- could probably just walk the documents and updates in tandem and update</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">_</span><span class="p">.</span><span class="nx">each</span><span class="p">(</span><span class="nx">toUpdate</span><span class="p">.</span><span class="nx">updates</span><span class="p">,</span> <span class="kd">function</span><span class="p">(</span><span class="nx">record</span><span class="p">,</span> <span class="nx">idx</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">self</span><span class="p">.</span><span class="nx">data</span><span class="p">[</span><span class="nx">idx</span><span class="p">]</span> <span class="o">=</span> <span class="nx">record</span><span class="p">;</span>
<span class="p">});</span>
<span class="k">return</span> <span class="k">this</span><span class="p">.</span><span class="nx">save</span><span class="p">(</span><span class="nx">toUpdate</span><span class="p">);</span>
<span class="p">};</span>
<span class="p">};</span>
<span class="p">}(</span><span class="nx">jQuery</span><span class="p">,</span> <span class="k">this</span><span class="p">.</span><span class="nx">recline</span><span class="p">.</span><span class="nx">Backend</span><span class="p">.</span><span class="nx">Memory</span><span class="p">));</span>
</pre></div> </td> </tr> </tbody> </table> </div> </body> </html>