Upload web/src/controllers/NetworkController.php with huggingface_hub

web/src/controllers/NetworkController.php

@@ -0,0 +1,60 @@
+<?php
+
+declare(strict_types=1);
+
+class NetworkController
+{
+    public function index(): void
+    {
+        $db = Database::getInstance();
+
+        // Get available sections
+        $sections = $db->fetchAll(
+            "SELECT DISTINCT source_section FROM entity_relationships ORDER BY source_section"
+        );
+
+        $section = $_GET['section'] ?? '';
+        $section = Security::sanitize($section);
+        $entityType = $_GET['type'] ?? 'PERSON';
+        $entityType = in_array($entityType, ['PERSON', 'ORG']) ? $entityType : 'PERSON';
+        $minCount = max(2, (int)($_GET['min'] ?? 10));
+
+        $relationships = [];
+        $nodes = [];
+
+        if ($section) {
+            // Get top relationships for this section
+            $relationships = $db->fetchAll(
+                "SELECT entity_a, entity_b, co_occurrence_count, document_count, sample_doc_ids
+                 FROM entity_relationships
+                 WHERE source_section = :section AND entity_a_type = :type
+                 AND co_occurrence_count >= :minCount
+                 ORDER BY co_occurrence_count DESC
+                 LIMIT 200",
+                ['section' => $section, 'type' => $entityType, 'minCount' => $minCount]
+            );
+
+            // Build node set with degree counts
+            $nodeDegree = [];
+            foreach ($relationships as $rel) {
+                $a = $rel['entity_a'];
+                $b = $rel['entity_b'];
+                $nodeDegree[$a] = ($nodeDegree[$a] ?? 0) + (int)$rel['co_occurrence_count'];
+                $nodeDegree[$b] = ($nodeDegree[$b] ?? 0) + (int)$rel['co_occurrence_count'];
+            }
+            arsort($nodeDegree);
+            $nodes = $nodeDegree;
+        }
+
+        // Stats
+        $stats = $db->fetchAll(
+            "SELECT entity_a_type as type, source_section as section,
+                    COUNT(*) as rels, SUM(co_occurrence_count) as cooccurrences
+             FROM entity_relationships
+             GROUP BY entity_a_type, source_section
+             ORDER BY rels DESC"
+        );
+
+        require __DIR__ . '/../views/network.php';
+    }
+}