From bdf4074e3c47d9229d2546cc5543ebd9a395c2eb Mon Sep 17 00:00:00 2001
From: Stefan Zermatten <stefanzermatten@gmail.com>
Date: Fri, 15 Jan 2021 17:41:06 +0200
Subject: [PATCH] Added first pass at denormalizing inventory data, needs
 testing and integration

---
 .../denormalise/recomputeInventory.js         | 88 +++++++++++++++++++
 app/imports/api/properties/Containers.js      |  4 +
 2 files changed, 92 insertions(+)
 create mode 100644 app/imports/api/creature/denormalise/recomputeInventory.js

diff --git a/app/imports/api/creature/denormalise/recomputeInventory.js b/app/imports/api/creature/denormalise/recomputeInventory.js
new file mode 100644
index 00000000..6cac3d69
--- /dev/null
+++ b/app/imports/api/creature/denormalise/recomputeInventory.js
@@ -0,0 +1,88 @@
+import CreatureProperties from '/imports/api/creature/CreatureProperties.js';
+import nodesToTree from '/imports/api/parenting/parenting.js';
+
+export default function recomputeInventory(creatureId){
+  let inventoryForest = nodesToTree({
+    collection: CreatureProperties,
+    ancestorId: creatureId,
+    filter: {
+      type: {$in: ['container', 'item']},
+    },
+    deactivatedByAncestor: {$ne: true},
+  });
+  return getChildrenInventoryData(inventoryForest);
+}
+
+function getChildrenInventoryData(forest){
+  let data = {
+    weightTotal: 0,
+    weightEquipment: 0,
+    weightCarried: 0,
+    valueTotal: 0,
+    valueEquipment: 0,
+    valueCarried: 0,
+  }
+  forest.forEach(tree => {
+    let treeData = getInventoryData(tree);
+    for (let key in data){
+      data[key] += treeData[key];
+    }
+  });
+}
+
+function getInventoryData(tree){
+  let data = {
+    weightTotal: 0,
+    weightEquipment: 0,
+    weightCarried: 0,
+    valueTotal: 0,
+    valueEquipment: 0,
+    valueCarried: 0,
+    itemsAttuned: 0,
+  }
+  let childData = getChildrenInventoryData(tree.children);
+  let node = tree.node;
+  if (node.type === 'container'){
+    data.weightTotal += node.weight;
+    data.valueTotal += node.value;
+    if (node.carried){
+      data.weightCarried += node.weight;
+      data.valueCarried += node.valueCarried;
+    }
+    storeContentsData(node, childData);
+  } else if (node.type === 'item'){
+    data.weightTotal += node.weight * node.quantity;
+    data.valueTotal += node.value * node.quantity;
+    data.weightCarried += node.weight * node.quantity;
+    data.valueCarried += node.valueCarried * node.quantity;
+    if (node.equipped){
+      data.weightEquipment += node.weight * node.quantity;
+      data.valueEquipment += node.valueCarried * node.quantity;
+    }
+    if (node.attuned){
+      data.itemsAttuned += 1;
+    }
+  }
+  for (let key in data){
+    data[key] += childData[key];
+  }
+  return data
+}
+
+function storeContentsData(node, childData){
+  let newContentsWeight;
+  if (node.contentsWeightless){
+    newContentsWeight = 0;
+  } else {
+    newContentsWeight = childData.weightCarried
+  }
+  if (node.contentsWeight !== newContentsWeight){
+    node.contentsWeight = newContentsWeight;
+    node.contentsWeightChanged = true;
+  }
+  let newContentsValue = childData.valueCarried;
+  if (node.contentsValue !== newContentsValue){
+    node.contentsValue = newContentsValue;
+    node.contentsValueChanged = true;
+  }
+}
diff --git a/app/imports/api/properties/Containers.js b/app/imports/api/properties/Containers.js
index 94b36000..8e878f70 100644
--- a/app/imports/api/properties/Containers.js
+++ b/app/imports/api/properties/Containers.js
@@ -38,6 +38,10 @@ const ComputedOnlyContainerSchema = new SimpleSchema({
     type: Number,
     optional: true,
   },
+  contentsValue:{
+    type: Number,
+    optional: true,
+  },
 });
 
 const ComputedContainerSchema = new SimpleSchema()