remove orphan edges

src/Edge/EdgeRepo.php

@@ -3,12 +3,16 @@
 use Illuminate\Support\Facades\DB;
 use Lucent\LucentException;
 use PDOException;
+use stdClass;
 
 class EdgeRepo
 {
 
+    public function __construct()
+    {
+    }
 
-    public static function insert(Edge $edge): void
+    public function insert(Edge $edge): void
     {
         try {
             DB::table("edges")->insert($edge->toDB());
@@ -21,7 +25,7 @@ class EdgeRepo
 
     }
 
-    public static function update(string $from, EdgeCollection $edges): void
+    public function update(string $from, EdgeCollection $edges): void
     {
         $edgesDB = collect($edges)->map(fn($e) => $e->toDB())->toArray();
         DB::table("edges")->where("source", $from)->delete();
@@ -29,4 +33,36 @@ class EdgeRepo
     }
 
 
+    public function findAll(): EdgeCollection
+    {
+        $edges = DB::table("edges")->get();
+        return new EdgeCollection(...$edges->map([$this, 'mapEdge'])->toArray());
+    }
+
+    public function mapEdge(stdClass $edge): Edge
+    {
+
+        return new Edge(
+            source: $edge->source,
+            target: $edge->target,
+            sourceSchema: $edge->sourceSchema,
+            targetSchema: $edge->targetSchema,
+            field: $edge->field,
+            rank: $edge->rank,
+            depth: $edge->depth ?? 0
+        );
+
+    }
+
+    public function remove(Edge $edge): void
+    {
+        DB::table("edges")
+            ->where("source", $edge->source)
+            ->where("target", $edge->target)
+            ->where("sourceSchema", $edge->sourceSchema)
+            ->where("targetSchema", $edge->targetSchema)
+            ->where("field", $edge->field)
+            ->delete();
+    }
+
 }