9D11FADD-3AD2-4A17-A1B3-853002357DE8.codesnippet

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>IDECodeSnippetCompletionScopes</key>
	<array>
		<string>CodeBlock</string>
	</array>
	<key>IDECodeSnippetContents</key>
	<string>func getSum(forKeyPath: String) -&gt; Double? {
        let expressionName = "sum"
        let fetchRequest = NSFetchRequest(entityName: entityName)
        fetchRequest.resultType = .DictionaryResultType
        
        //2
        let sumExpressionDesc = NSExpressionDescription()
        sumExpressionDesc.name = expressionName
        
        //3
        sumExpressionDesc.expression =
            NSExpression(forFunction: "sum:",
                         arguments:[NSExpression(forKeyPath: forKeyPath)])
        
        sumExpressionDesc.expressionResultType =
            .DoubleAttributeType
        
        //4
        fetchRequest.propertiesToFetch = [sumExpressionDesc]
        
        //5
        do {
            let moc = AppDelegate.shareInstance.dataController.context

            let results = try moc.executeFetchRequest(fetchRequest) as! [NSDictionary]
            
            let resultDict =  results.first!
            let numDeals = resultDict[expressionName] as! Double
            return numDeals
            
        } catch let error as NSError {
            print("Could not fetch \(error), \(error.userInfo)")
        }
        return nil
    }
</string>
	<key>IDECodeSnippetIdentifier</key>
	<string>9D11FADD-3AD2-4A17-A1B3-853002357DE8</string>
	<key>IDECodeSnippetLanguage</key>
	<string>Xcode.SourceCodeLanguage.Swift</string>
	<key>IDECodeSnippetTitle</key>
	<string>Swift: CoreData / get sumif</string>
	<key>IDECodeSnippetUserSnippet</key>
	<true/>
	<key>IDECodeSnippetVersion</key>
	<integer>2</integer>
</dict>
</plist>