TryCF Gist

trycf-gist-1696322153569-ec7bf13c-2d51-83d7-648b-5519b699cfa7.cfm

<cfscript>
	
	try{
	
		debug = false;
			
		questions = [
		  { questionid: 1, count: 1 },
		  { questionid: 2, count: 0 },
		  { questionid: 3, count: 1 },
		  { questionid: 4, count: 0 },
		  { questionid: 5, count: 0 },
		  { questionid: 6, count: 0 },
		  { questionid: 7, count: 0 },
		  { questionid: 8, count: 0 },
		  { questionid: 9, count: 0 },
		  { questionid: 10, count: 0 }
		];
		
		// Choose questions, at random, but make sure that there is an equal distribution 

		public struct function chooseQuestionEqualDistribution(array items = [], boolean randomise = true) output="false" {
		    
        // sort items by count
        items.sort(
					function ( a, b ) {
						if( b.count < a.count ) {
							return 1;
						}
						if( b.count > a.count ) {
							return -1;
						}
						return 0;
					}
				);
        
        // pick first item with smallest count
        var firstItem = items[1];
				
				if(debug) {
					// WriteDump(var={firstItem: firstItem});
					// abort;
				}
				
				
				if(randomise) {
				
					var minCounts = items.filter( function(item) {
							return item.count === firstItem.count;
					});
					
					if(debug) {
					
						WriteDump(var={minCounts: minCounts});
						// abort;
						
					}
					
					var randIdx = Val(Floor(Rand() * ArrayLen(minCounts)));
					
					var rndItmIdx = randIdx >= 1 ? randIdx : 1;
					
					if(debug) {
						WriteDump(var={rndItmIdx: rndItmIdx});
						// abort;
					}
					
					firstItem = minCounts[rndItmIdx];
					
					if(debug) {
						WriteDump(var={firstItem: firstItem});
						// abort;
					}
					
				}
        
        // increment that item's count
        firstItem.count++;
				
				if(debug) {
					WriteDump(var={firstItem: firstItem});
					// abort;
				}
        
        return firstItem;
		   
		}
	
		
		temp = {
			'count_1': 0,
			'count_2': 0,
			'count_3': 0,
			'count_4': 0,
			'count_5': 0,
			'count_6': 0,
			'count_7': 0,
			'count_8': 0,
			'count_9': 0,
			'count_10': 0
		};
		
		for (i = 1; i <= 15; i++){
		
			item = chooseQuestionEqualDistribution(questions);
			
			// WriteDump(var={questions: questions});
			// abort;
			
			temp['count_' & item.questionid] += 1;
			
			if(debug) {
				WriteDump(var={
					questions: questions,
					temp: temp
				});
				abort;
			}
			
		}
		
		
		WriteDump(var={
			questions: questions,
			temp: temp
		}, label="SUCCESS");
		
			
	}
	catch(any e){
		WriteDump(var={
			questions: questions,
			temp: temp,
			error: e
		}, label="ERROR");
	}
		
</cfscript>