How to generate 'largest overlap' from polygon-in-polygon query

SFM_TravisBott

Hoping the community here can lend a hand. 

The goal: create a calculation attribute rule for a polygon feature class that extracts a value from the feature with which it has the largest overlap in another dataset. If a user creates a polygon I want the value of an underlying polygon to be used for an attribute in the edited datasets. However I want to have error controls in case the user creates a polygon that overlaps two of the underlying polygons. I want to extract the attribute from the polygon with which it has the largest overlap. 

Current code:

 

var fsJurisdiction = FeatureSetByName($datastore, "jurisdictions", ["Jurisdiction"])

var fsJurisdictionIntersect = Intersects(fsJurisdiction, $feature)
var jurisdiction = First(fsJurisdictionIntersect)

if (jurisdiction == null) return {"errorMessage": "Not in a jurisdiction"}

return jurisdiction.Jurisdiction

 

JohannesLindner

var fsJurisdiction = FeatureSetByName($datastore, "jurisdictions", ["Jurisdiction"])

var fsJurisdictionIntersect = Intersects(fsJurisdiction, $feature)
var intersected_jurisdictions = []
for(var j in fsJurisdictionIntersect) {
    var jurisdiction = {
        Jurisdiction: j.Jurisdiction,
        Overlap: Area(Intersection(j, $feature))
    }
    Push(intersected_jurisdictions, jurisdiction)
}
function sort_by_overlap(j1, j2) { return j1.Overlap < j2.Overlap }

var jurisdiction = First(Sort(intersected_jurisdictions, sort_by_overlap))

if (jurisdiction == null) return {"errorMessage": "Not in a jurisdiction"}

return jurisdiction.Jurisdiction