triplecheck-repository-cosmosdb-sql
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<h1>triplecheck-repository-cosmosdb-sql</h1>
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<a href="#triplecheck-repository-cosmosdb-sql" id="triplecheck-repository-cosmosdb-sql" style="color: inherit; text-decoration: none;">
<h1>triplecheck-repository-cosmosdb-sql</h1>
</a>
<p><img src="readme/triplecheck-repository.png" alt="TripleCheck database repository"></p>
<a href="#triplecheck-azure-cosmosdb-sql-database-repository" id="triplecheck-azure-cosmosdb-sql-database-repository" style="color: inherit; text-decoration: none;">
<h2>TripleCheck: Azure CosmosDB (SQL) database repository</h2>
</a>
<p>Database utility for using CosmosDB (SQL) with TripleCheck broker.</p>
<a href="#instructions" id="instructions" style="color: inherit; text-decoration: none;">
<h2>Instructions</h2>
</a>
<p>You'll need to have a CosmosDB account up, a container (SQL) and set the Partition Key to <code>/id</code>. Also, I'd recommend maybe setting the consistency to "Strong". Consider using the serverless option for CosmosDB, since that will be a lot cheaper for smaller workloads.</p>
<a href="#basic-implementation" id="basic-implementation" style="color: inherit; text-decoration: none;">
<h2>Basic implementation</h2>
</a>
<p>In your <code>triplecheck-broker</code> implementation, do a regular import for <code>triplecheck-repository-cosmosdbsql</code> and pass the repository to the broker. In an Azure Functions context, an implementation could look like:</p>
<pre><code class="language-TypeScript"><span style="color: #AF00DB">import</span><span style="color: #000000"> { </span><span style="color: #001080">TripleCheckBroker</span><span style="color: #000000"> } </span><span style="color: #AF00DB">from</span><span style="color: #000000"> </span><span style="color: #A31515">'triplecheck-broker'</span><span style="color: #000000">;</span>
<span style="color: #AF00DB">import</span><span style="color: #000000"> { </span><span style="color: #001080">CosmosSqlRepository</span><span style="color: #000000"> } </span><span style="color: #AF00DB">from</span><span style="color: #000000"> </span><span style="color: #A31515">'triplecheck-repository-cosmosdb-sql'</span><span style="color: #000000">;</span>
<span style="color: #AF00DB">export</span><span style="color: #000000"> </span><span style="color: #0000FF">const</span><span style="color: #000000"> </span><span style="color: #0070C1">config</span><span style="color: #000000"> = {</span>
<span style="color: #000000"> </span><span style="color: #001080">endpoint:</span><span style="color: #000000"> </span><span style="color: #A31515">'<your_endpoint_uri>'</span><span style="color: #000000">,</span>
<span style="color: #000000"> </span><span style="color: #001080">key:</span><span style="color: #000000"> </span><span style="color: #A31515">'<primary_key>'</span><span style="color: #000000">,</span>
<span style="color: #000000"> </span><span style="color: #001080">databaseId:</span><span style="color: #000000"> </span><span style="color: #A31515">'triplecheck'</span><span style="color: #000000">, </span><span style="color: #008000">// <--- example</span>
<span style="color: #000000"> </span><span style="color: #001080">containerId:</span><span style="color: #000000"> </span><span style="color: #A31515">'broker_sql'</span><span style="color: #000000"> </span><span style="color: #008000">// <--- example</span>
<span style="color: #000000">};</span>
<span style="color: #008000">/**</span>
<span style="color: #008000"> * </span><span style="color: #0000FF">@description</span><span style="color: #008000"> The handler.</span>
<span style="color: #008000"> */</span>
<span style="color: #AF00DB">export</span><span style="color: #000000"> </span><span style="color: #0000FF">async</span><span style="color: #000000"> </span><span style="color: #0000FF">function</span><span style="color: #000000"> </span><span style="color: #795E26">handler</span><span style="color: #000000">(</span><span style="color: #001080">context</span><span style="color: #000000">: </span><span style="color: #267F99">any</span><span style="color: #000000">, </span><span style="color: #001080">req</span><span style="color: #000000">: </span><span style="color: #267F99">any</span><span style="color: #000000">) {</span>
<span style="color: #000000"> </span><span style="color: #0000FF">const</span><span style="color: #000000"> [</span><span style="color: #0070C1">request</span><span style="color: #000000">, </span><span style="color: #0070C1">payload</span><span style="color: #000000">] = </span><span style="color: #AF00DB">await</span><span style="color: #000000"> </span><span style="color: #795E26">getRequestData</span><span style="color: #000000">(</span><span style="color: #001080">req</span><span style="color: #000000">);</span>
<span style="color: #000000"> </span><span style="color: #0000FF">const</span><span style="color: #000000"> </span><span style="color: #0070C1">repository</span><span style="color: #000000"> = </span><span style="color: #795E26">CosmosSqlRepository</span><span style="color: #000000">(</span><span style="color: #001080">config</span><span style="color: #000000">);</span>
<span style="color: #000000"> </span><span style="color: #0000FF">const</span><span style="color: #000000"> { </span><span style="color: #0070C1">responseData</span><span style="color: #000000">, </span><span style="color: #0070C1">status</span><span style="color: #000000">, </span><span style="color: #0070C1">headers</span><span style="color: #000000"> } = </span><span style="color: #AF00DB">await</span><span style="color: #000000"> </span><span style="color: #795E26">TripleCheckBroker</span><span style="color: #000000">(</span><span style="color: #001080">request</span><span style="color: #000000">, </span><span style="color: #001080">payload</span><span style="color: #000000">, </span><span style="color: #001080">repository</span><span style="color: #000000">);</span>
<span style="color: #000000"> </span><span style="color: #AF00DB">return</span><span style="color: #000000"> {</span>
<span style="color: #000000"> </span><span style="color: #001080">status</span><span style="color: #000000">,</span>
<span style="color: #000000"> </span><span style="color: #001080">body:</span><span style="color: #000000"> </span><span style="color: #001080">responseData</span>
<span style="color: #000000"> };</span>
<span style="color: #000000">}</span>
<span style="color: #008000">/**</span>
<span style="color: #008000"> * </span><span style="color: #0000FF">@description</span><span style="color: #008000"> Utility function to get the data we need to run the TripleCheck broker. Expects the full Azure Functions request object.</span>
<span style="color: #008000"> */</span>
<span style="color: #0000FF">async</span><span style="color: #000000"> </span><span style="color: #0000FF">function</span><span style="color: #000000"> </span><span style="color: #795E26">getRequestData</span><span style="color: #000000">(</span><span style="color: #001080">req</span><span style="color: #000000">: </span><span style="color: #267F99">any</span><span style="color: #000000">) {</span>
<span style="color: #000000"> </span><span style="color: #0000FF">const</span><span style="color: #000000"> { </span><span style="color: #0070C1">body</span><span style="color: #000000">, </span><span style="color: #0070C1">method</span><span style="color: #000000">, </span><span style="color: #0070C1">url</span><span style="color: #000000"> } = </span><span style="color: #001080">req</span><span style="color: #000000">;</span>
<span style="color: #000000"> </span><span style="color: #0000FF">let</span><span style="color: #000000"> [</span><span style="color: #001080">pathname</span><span style="color: #000000">, </span><span style="color: #001080">search</span><span style="color: #000000">] = </span><span style="color: #001080">url</span><span style="color: #000000">.</span><span style="color: #795E26">split</span><span style="color: #000000">(</span><span style="color: #A31515">'?'</span><span style="color: #000000">);</span>
<span style="color: #000000"> </span><span style="color: #AF00DB">if</span><span style="color: #000000"> (!</span><span style="color: #001080">pathname</span><span style="color: #000000">) </span><span style="color: #001080">pathname</span><span style="color: #000000"> = </span><span style="color: #001080">url</span><span style="color: #000000">;</span>
<span style="color: #000000"> </span><span style="color: #0000FF">const</span><span style="color: #000000"> </span><span style="color: #0070C1">payload</span><span style="color: #000000"> = </span><span style="color: #0000FF">typeof</span><span style="color: #000000"> </span><span style="color: #001080">body</span><span style="color: #000000"> === </span><span style="color: #A31515">'string'</span><span style="color: #000000"> ? </span><span style="color: #267F99">JSON</span><span style="color: #000000">.</span><span style="color: #795E26">parse</span><span style="color: #000000">(</span><span style="color: #001080">body</span><span style="color: #000000">) : </span><span style="color: #001080">body</span><span style="color: #000000">;</span>
<span style="color: #000000"> </span><span style="color: #AF00DB">return</span><span style="color: #000000"> [</span>
<span style="color: #000000"> {</span>
<span style="color: #000000"> </span><span style="color: #001080">method</span><span style="color: #000000">,</span>
<span style="color: #000000"> </span><span style="color: #001080">pathname</span><span style="color: #000000">,</span>
<span style="color: #000000"> </span><span style="color: #001080">search</span>
<span style="color: #000000"> },</span>
<span style="color: #000000"> </span><span style="color: #001080">payload</span>
<span style="color: #000000"> ];</span>
<span style="color: #000000">}</span>
</code></pre>
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