Need help with Collections

[AgoS401]

Hi,

In a screen there are 10 questions, and user will select, Yes or No radio buttons. Upon clicking on submit button, coverages associated to the questions should be shown in the next screen based on configuration table.

Coverages are based on scenarios like, show Coverage4 if Q1 is Yes and Q2 is No. So created a configuration table accordingly like below:

Configuration table:

SCN-1	Q1	Yes	Cov4
SCN-1	Q2	No	Cov4
SCN-2	Q2	Yes	Cov5
SCN-2	Q3	No	Cov5
SCN-3	Q3	Yes	Cov6
SCN-4	Q4	Yes	Cov7
SCN-4	Q5	Yes	Cov7

Implementation: On App Start, created a collection to hold the configuration table.

ClearCollect(configTable, ConfigurationTables);
ClearCollect(uniqueScenariosColl, Distinct(configTable,Scenarios));

uniqueScenarioColl = ["SCN-1","SCN-2","SCN-3",...........]

Now on click on submit button, saved user's response in collection like below:

userResponseCol = [{q="Q01",r="Yes"},{q="Q02",r="No"},{q="Q03",r="No"}]

I am not able to merge the below two ForAll conditions. logic is loop all scenarios, get first scenario conditions, here Q1 is Yes and Q2 is No, check if two records are in userResponseColl, only then add the Cov4 to the finalCoverageCollection, then check second scenario and go on..

ForAll(uniqueScenariosColl,Collect(scenarioColl,Filter(configTable,Scenarios=Value)));

ForAll(scenarioColl,ForAll(userResponseCol, If(ThisRecord.q= QuestionId And ThisRecord.r = Response,Collect(matchColl,CoverageId))));
If(CountRows(matchColl) = CountRows(scenarioColl),Collect(finalCoverageCollection,matchColl));

Clear(scenarioColl); Clear(matchColl);

Appreciate your help here. 

[EddieE]

@AgoS401 

Try using As to separate off your 2 collection in the second ForAll(), ie

ForAll(

    scenarioColl As scCol,

       ForAll(

           userResponseCol As urCol, 

….

)

Then use scCol and urCol to reference the different collections. Using ThisRecord doesn’t usually work inside 2 x ForAll statements 

[AgoS401]

Thanks for the response. Whatever you have mentioned i.e., second ForAll is working fine, what i am looking for  - include the second ForAll within first ForAll and make it work.

First loop: ForAll(uniqueScenariosColl,Collect(scenarioColl,Filter(configTable,Scenarios=Value)));

Second ForAll: ForAll(scenarioColl,ForAll(userResponseCol, If(ThisRecord.q= QuestionId And ThisRecord.r = Response,Collect(matchColl,CoverageId))));

merge these two and also need to include below two statements in second ForAll.

If(CountRows(matchColl) = CountRows(scenarioColl),Collect(finalCoverageCollection,matchColl));

Clear(scenarioColl); Clear(matchColl);

[EddieE · Accepted solution]

@AgoS401 

Here a method to get what you want - ie Coverage values - but you may need to adjust it slightly?

App OnStart

// App OnStart

ClearCollect(
    configTable,
    {Scenario: "SCN-1",	Question: "Q1",	QResponse: "Yes", Coverage: "Cov4"},
    {Scenario: "SCN-1",	Question: "Q2",	QResponse: "No", Coverage: "Cov4"},
    {Scenario: "SCN-2",	Question: "Q2",	QResponse: "Yes", Coverage: "Cov5"},
    {Scenario: "SCN-2",	Question: "Q3",	QResponse: "No", Coverage: "Cov5"},
    {Scenario: "SCN-3",	Question: "Q3",	QResponse: "Yes", Coverage: "Cov6"},
    {Scenario: "SCN-4",	Question: "Q4",	QResponse: "Yes", Coverage: "Cov7"},
    {Scenario: "SCN-4",	Question: "Q5",	QResponse: "Yes", Coverage: "Cov7"}
);

// responses table with 2 extra columns
ClearCollect(
    responsesInitial,
    AddColumns(configTable, "CoverageResponse", "", "ShowValue", "" )
);

I've added two columns to the original configTable in a new collection that can be used below

Question gallery

Distinct(configTable, Question).Result

Yes/No Radio button OnChange

UpdateIf(
    responsesInitial,
    Question = ThisItem.Result , 
    {
        CoverageResponse: rd5.Selected.Value            
    }
);

Submit button

ClearCollect(
    userResponseCol,
    ForAll(
        responsesInitial,
        {
            Scenario: Scenario,
            Question: Question,	
            QResponse: QResponse, 
            Coverage: Coverage,
            CoverageResponse: CoverageResponse,
            ShowValue: If(QResponse = CoverageResponse, 1,0)
        }
    )
);


Clear(finalCoverageCollection);
ForAll(
    Distinct(userResponseCol, Scenario) As ds,
    If(
        CountRows( Filter(userResponseCol, Scenario = ds.Result)) = Sum( Filter(userResponseCol, Scenario = ds.Result),ShowValue ),
        Collect(
            finalCoverageCollection, 
            LookUp( userResponseCol, Scenario = ds.Result, Coverage)
        )
    )
)

Examples of use using your data above

Hopefully this makes sense and gets you what you need?

[AgoS401]

Thank you @EddieE  for the response. I solved my issue by merging the loops like said above,  and really liked your approach as well. Appreciate your help.