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59 lines
1.8 KiB
JavaScript
59 lines
1.8 KiB
JavaScript
'use strict';
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const { create } = require("error-chain");
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const pgErrorCodes = require("pg-error-codes");
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const DatabaseError = require("../database-error.js");
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const splitValues = require("../split-values");
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let UniqueConstraintViolationError = create("UniqueConstraintViolationError", { inheritsFrom: DatabaseError });
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let detailsRegex = /Key \(([^\)]+)\)=\(([^\)]+)\) already exists\./;
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module.exports = {
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error: UniqueConstraintViolationError,
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errorName: "UniqueConstraintViolationError",
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check: function checkType(error) {
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return (
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// PostgreSQL (via `pg`):
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(error.length != null && error.file != null && error.line != null && error.routine != null && error.code === "23505")
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);
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},
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convert: function convertError(error) {
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let [_, columnValue, valueValue] = detailsRegex.exec(error.detail);
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let column, columns, value, values, messageColumn, messageValue, isComposite;
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if (columnValue.includes(",")) {
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columns = splitValues(columnValue);
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messageColumn = `columns [${columns.map(column => `'${column}'`).join(", ")}]`;
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isComposite = true;
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} else {
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column = columnValue;
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messageColumn = `column '${column}'`;
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isComposite = false;
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}
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if (valueValue.includes(",")) {
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values = splitValues(valueValue);
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messageValue = `Values [${values.map(value => `'${value}'`).join(", ")}] already exist`;
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} else {
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value = valueValue;
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messageValue = `Value '${value}' already exists`;
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}
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return new UniqueConstraintViolationError(`${messageValue} for ${messageColumn} in table '${error.table}'`, {
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originalError: error,
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pgCode: error.code,
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code: pgErrorCodes[error.code],
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schema: error.schema,
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table: error.table,
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column: column,
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columns: columns,
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value: value,
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values: values,
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isComposite: isComposite,
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constraint: error.constraint
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});
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}
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};
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