#49 feat: builders de grafos de provenance (proveedores-organizaciones y territorios)

src/components/provenance/provenance-graph.js

@@ -0,0 +1,104 @@
+/**
+ * Builders de grafos de provenance (específicos del dominio).
+ *
+ * Convierten el payload `product_provenance` del resumen de compra/pedido en
+ * un grafo en capas usando el servicio genérico `services/graph/graph-layout`.
+ */
+
+import { computeColumnLayout } from '@/services/graph/graph-layout'
+
+const SUPPLIER_ORG_COLUMNS = { product: 0, supplier: 1, organization: 2 }
+const TERRITORY_COLUMNS = { product: 0, supplier: 1, municipality: 2, department: 3, country: 4 }
+
+function makeCollector () {
+  const nodes = []
+  const edges = []
+  const seen = new Map()
+  return {
+    nodes,
+    edges,
+    addNode (kind, entity) {
+      const id = `${kind}:${entity.id}`
+      if (!seen.has(id)) {
+        const node = {
+          id,
+          kind,
+          label: entity.name,
+          image: entity.catalogue_images?.[0] || null,
+          entity: { ...entity, kind },
+        }
+        seen.set(id, node)
+        nodes.push(node)
+      }
+      return seen.get(id)
+    },
+    addEdge (from, to) {
+      edges.push({ from, to })
+    },
+  }
+}
+
+function layout (collector, columns) {
+  return computeColumnLayout(collector.nodes, collector.edges, {
+    columnOf: node => columns[node.kind] ?? 0,
+    columnWidth: 220,
+    rowHeight: 72,
+    padding: 24,
+  })
+}
+
+export function buildSupplierOrganizationGraph (provenance) {
+  const g = makeCollector()
+  for (const entry of provenance || []) {
+    if (!entry.product) continue
+    const product = g.addNode('product', entry.product)
+    for (const rel of entry.suppliers || []) {
+      if (!rel.supplier) continue
+      const supplier = g.addNode('supplier', rel.supplier)
+      g.addEdge(product.id, supplier.id)
+      if (rel.organization) {
+        const organization = g.addNode('organization', rel.organization)
+        g.addEdge(supplier.id, organization.id)
+      }
+    }
+  }
+  return layout(g, SUPPLIER_ORG_COLUMNS)
+}
+
+export function buildTerritoryGraph (provenance) {
+  const g = makeCollector()
+  for (const entry of provenance || []) {
+    if (!entry.product) continue
+    const product = g.addNode('product', entry.product)
+    for (const rel of entry.suppliers || []) {
+      if (!rel.supplier) continue
+      const supplier = g.addNode('supplier', rel.supplier)
+      g.addEdge(product.id, supplier.id)
+      if (rel.municipality) {
+        const municipality = g.addNode('municipality', rel.municipality)
+        g.addEdge(supplier.id, municipality.id)
+        if (rel.department) {
+          const department = g.addNode('department', rel.department)
+          g.addEdge(municipality.id, department.id)
+          if (rel.country) {
+            const country = g.addNode('country', rel.country)
+            g.addEdge(department.id, country.id)
+          }
+        }
+      }
+    }
+  }
+  return layout(g, TERRITORY_COLUMNS)
+}
+
+export function hasAnySupplier (provenance) {
+  return (provenance || []).some(entry => (entry.suppliers || []).length > 0)
+}
+
+export function hasAnyTerritory (provenance) {
+  return (provenance || []).some(entry =>
+    (entry.suppliers || []).some(rel =>
+      rel.municipality || rel.department || rel.country
+    )
+  )
+}