feat: add classement match system

src/main/java/fr/titionfire/ffsaf/data/model/TreeModel.java

@@ -40,6 +40,14 @@ public class TreeModel {
     @JoinColumn(referencedColumnName = "id")
     TreeModel right;
 
+    public TreeModel(Long category, Integer level, MatchModel match) {
+        this.category = category;
+        this.level = level;
+        this.match = match;
+        this.left = null;
+        this.right = null;
+    }
+
     public List<TreeModel> flat() {
         List<TreeModel> out = new ArrayList<>();
         this.flat(out);
@@ -55,4 +63,44 @@ public class TreeModel {
         if (this.left != null)
             this.left.flat(out);
     }
+
+    public int death() {
+        int dg = 0;
+        int dd = 0;
+
+        if (this.right != null)
+            dg = this.right.death();
+
+        if (this.left != null)
+            dg = this.left.death();
+
+        return 1 + Math.max(dg, dd);
+    }
+
+    public int getMaxChildrenAtDepth(int death, int current) {
+        if (current == death)
+            return 1;
+
+        int tmp = 0;
+        if (this.right != null)
+            tmp += this.right.getMaxChildrenAtDepth(death, current + 1);
+
+        if (this.left != null)
+            tmp += this.left.getMaxChildrenAtDepth(death, current + 1);
+
+        return tmp;
+    }
+
+    public void getChildrenAtDepth (int death, int current, List<TreeModel> out) {
+        if (current == death) {
+            out.add(this);
+            return;
+        }
+
+        if (this.right != null)
+            this.right.getChildrenAtDepth(death, current + 1, out);
+
+        if (this.left != null)
+            this.left.getChildrenAtDepth(death, current + 1, out);
+    }
 }