58 lines
1.8 KiB
JavaScript
58 lines
1.8 KiB
JavaScript
const eventParser = async ({ oldData, newData, trigger, table, jobIdField }) => {
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const isNew = !oldData;
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let changedFields = {};
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let changedFieldNames = [];
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if (isNew) {
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// If there's no old data, every field in newData is considered changed (new)
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changedFields = { ...newData };
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changedFieldNames = Object.keys(newData);
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} else {
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// Compare oldData with newData for changes
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for (const key in newData) {
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if (Object.prototype.hasOwnProperty.call(newData, key)) {
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// Check if the key exists in oldData and if values differ
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if (
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!Object.prototype.hasOwnProperty.call(oldData, key) ||
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JSON.stringify(oldData[key]) !== JSON.stringify(newData[key])
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) {
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changedFields[key] = newData[key];
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changedFieldNames.push(key);
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}
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}
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}
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// Check for fields that were removed
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for (const key in oldData) {
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if (Object.prototype.hasOwnProperty.call(oldData, key) && !Object.prototype.hasOwnProperty.call(newData, key)) {
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changedFields[key] = null; // Indicate field was removed
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changedFieldNames.push(key);
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}
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}
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}
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// Extract jobId based on jobIdField
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let jobId = null;
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if (jobIdField) {
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// If the jobIdField is provided as a string like "req.body.event.new.jobid",
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// strip the prefix if it exists so we can use the property name.
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let keyName = jobIdField;
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const prefix = "req.body.event.new.";
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if (keyName.startsWith(prefix)) {
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keyName = keyName.slice(prefix.length);
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}
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// Attempt to retrieve the job id from newData first; if not available, try oldData.
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jobId = newData[keyName] || (oldData && oldData[keyName]) || null;
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}
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return {
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changedFieldNames,
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changedFields,
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isNew,
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data: newData,
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trigger,
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table,
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jobId
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};
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};
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module.exports = eventParser;
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