refactore to new project structure

logic/strategies/naked.go

@@ -1,6 +1,6 @@
 package strategies
 
-import "git.kleiax.de/homepage/libs/sudoku/board"
+import "git.kleiax.de/homepage/board"
 
 // ────────────────────────────────────────────────────────────────────────────── //
 // NAKED_SINGLE STRUCTURE                                                         //
@@ -13,15 +13,17 @@ type NakedSingle struct {
 func (ns *NakedSingle) SearchProgressableCells() int {
 	ns.field.ForEachPart(func(part board.Part) {
 		part.ForEachCell(func(cell *board.Cell) {
-			// candidates := cell.notes.numbers
-			// if len(candidates) == 1 {
-			// 	change := Change{
-			// 		cell:   cell,
-			// 		action: ActionSetNumber,
-			// 		value:  candidates[0],
-			// 	}
-			// 	ns.changes = append(ns.changes, change)
-			// }
+			candidates := cell.Notes.Get()
+			if len(candidates) == 1 {
+				change := board.ExternalChange{
+					Cell:       cell,
+					Action:     board.ActionSetNumber,
+					Value:      candidates[0],
+					From:       cell.GetNumber(),
+					TriggerdBy: ns.getName(),
+				}
+				ns.changes = append(ns.changes, change)
+			}
 		})
 	})
 	return len(ns.changes)