57 lines
1.7 KiB
JavaScript
57 lines
1.7 KiB
JavaScript
import CreatureVariables from '/imports/api/creature/creatures/CreatureVariables.js';
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import Creatures from '/imports/api/creature/creatures/Creatures.js';
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import { EJSON } from 'meteor/ejson';
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export default function writeScope(creatureId, computation) {
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if (!creatureId) throw 'creatureId is required';
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const scope = computation.scope;
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const variables = computation.variables || {};
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delete variables._id;
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let $set, $unset;
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for (const key in scope){
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// Remove large properties that aren't likely to be accessed
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delete scope[key].parent;
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delete scope[key].ancestors;
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// Remove empty keys
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for (const subKey in scope[key]) {
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if (scope[key][subKey] === undefined) {
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delete scope[key][subKey]
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}
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}
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// Only update changed fields
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if (!EJSON.equals(variables[key], scope[key])) {
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if (!$set) $set = {};
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/* Log detailed diffs
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const diff = omitBy(variables[key], (v, k) => EJSON.equals(scope[key][k], v));
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for (let subkey in diff) {
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console.log(`${key}.${subkey}: ${variables[key][subkey]} => ${scope[key][subkey]}`)
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}
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*/
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// Set the changed key in the creature variables
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$set[key] = scope[key];
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}
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}
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// Remove all the keys that no longer exist in scope
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for (const key in variables) {
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if (!scope[key]) {
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if (!$unset) $unset = {};
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$unset[key] = 1;
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}
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}
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if ($set || $unset) {
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const update = {};
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if ($set) update.$set = $set;
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if ($unset) update.$unset = $unset;
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CreatureVariables.upsert({_creatureId: creatureId}, update);
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}
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if (computation.creature?.dirty) {
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Creatures.update({_creatureId: creatureId}, {$unset: { dirty: 1 }});
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}
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}
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