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errorHandler.js
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/**
* Common Error Handler for API Exceptions
* Provides consistent error parsing and user-friendly messages
*
* Usage:
*
* import { parseError } from '@/utils/errorHandler'
*
* try {
* await api.submitInvoice()
* } catch (error) {
* const errorContext = parseError(error)
* // errorContext = { title, message, type, technicalDetails, retryable }
*
* // Set dialog state
* errorTitle.value = errorContext.title
* errorMessage.value = errorContext.message
* showErrorDialog.value = true
* }
*/
/**
* Clean HTML and extra whitespace from error messages
*/
function cleanErrorMessage(rawMessage) {
if (!rawMessage) return ""
if (Array.isArray(rawMessage)) {
return cleanErrorMessage(rawMessage[0])
}
if (typeof rawMessage === "object" && rawMessage !== null) {
return cleanErrorMessage(
rawMessage.message || rawMessage.title || rawMessage.value,
)
}
let text = typeof rawMessage === "string" ? rawMessage : String(rawMessage)
// Remove HTML tags
if (typeof window !== "undefined" && typeof document !== "undefined") {
const container = document.createElement("div")
container.innerHTML = text
text = container.textContent || container.innerText || ""
} else {
text = text.replace(/<[^>]*>/g, " ")
}
return text.replace(/\s+/g, " ").trim()
}
/**
* Parse error and return structured error information
* @param {Error} error - The error object from API call
* @returns {Object} - Structured error information
*/
export function parseError(error) {
const context = {
title: __("Error"),
message: __("An unexpected error occurred"),
type: "error", // error, warning, validation
retryable: false,
technicalDetails: null,
}
// Build technical details
const detailsParts = []
if (error.exc_type) detailsParts.push(__('Type: {0}', [error.exc_type]))
if (error.httpStatus || error.status)
detailsParts.push(__('Status: {0}', [error.httpStatus || error.status]))
if (error.exception) detailsParts.push(__('Exception: {0}', [error.exception], "Error"))
context.technicalDetails =
detailsParts.length > 0 ? detailsParts.join(" | ") : null
// Detect error type from status code
if (error.httpStatus === 417 || error.status === 417) {
context.type = "validation"
context.title = __("Validation Error")
} else if (error.httpStatus === 403 || error.status === 403) {
context.type = "error"
context.title = __("Permission Denied")
} else if (error.httpStatus === 404 || error.status === 404) {
context.type = "warning"
context.title = __("Not Found")
} else if (error.httpStatus >= 500 || error.status >= 500) {
context.type = "error"
context.title = __("Server Error")
}
// Extract primary message
if (
error.messages &&
Array.isArray(error.messages) &&
error.messages.length > 0
) {
context.message = cleanErrorMessage(error.messages[0])
} else if (error._server_messages) {
try {
const serverMessages = JSON.parse(error._server_messages)
if (serverMessages && serverMessages.length > 0) {
const firstMessage = JSON.parse(serverMessages[0])
context.message = cleanErrorMessage(
firstMessage.message || firstMessage.title,
)
if (firstMessage.title) context.title = firstMessage.title
}
} catch (parseError) {
console.error("Error parsing _server_messages:", parseError)
}
} else if (error.message) {
context.message = cleanErrorMessage(error.message)
}
// Categorize by exception type and message content
const normalizedMessage = (context.message || "").toLowerCase()
const excType = (error.exc_type || "").toLowerCase()
// Insufficient Stock
if (
excType === "negativestockerror" ||
normalizedMessage.includes("needed in") ||
normalizedMessage.includes("insufficient stock") ||
normalizedMessage.includes("negative stock")
) {
context.type = "warning"
context.title = __("Insufficient Stock")
// Parse the message to extract item and quantity information
// Example: "1.0 units of Item IPhone 17-WHI needed in Warehouse Goods In Transit - BrD"
const match = context.message.match(
/(\d+\.?\d*)\s+units?\s+of\s+(?:Item\s+)?(.+?)\s+needed\s+in\s+(?:Warehouse\s+)?(.+?)(?:\s+to complete|$)/i,
)
if (match) {
const [, quantity, itemName, warehouse] = match
const qty = Number.parseFloat(quantity)
const unit = qty === 1 ? "unit" : "units"
context.message = `Not enough stock for "${itemName}".\n\nYou need ${qty} ${unit} but the warehouse "${warehouse}" doesn't have enough available.\n\nPlease reduce the quantity or check another warehouse.`
} else if (
!context.message ||
context.message === "An unexpected error occurred"
) {
context.message =
__("Not enough stock available in the warehouse.\n\nPlease reduce the quantity or check stock availability.")
}
context.retryable = true
}
// Validation Errors
else if (excType === "validationerror" || context.type === "validation") {
context.type = "validation"
context.title = __("Validation Error")
context.retryable = true
}
// Price List Errors
else if (
normalizedMessage.includes("price list") ||
normalizedMessage.includes("price not found")
) {
context.type = "warning"
context.title = __("Pricing Error")
context.retryable = true
}
// Customer/Party Errors
else if (
normalizedMessage.includes("customer") ||
normalizedMessage.includes("party")
) {
context.type = "validation"
context.title = __("Customer Error")
context.retryable = true
}
// Tax Errors
else if (
normalizedMessage.includes("tax") ||
normalizedMessage.includes("account")
) {
context.type = "warning"
context.title = __("Tax Configuration Error")
context.retryable = false
}
// Payment Errors
else if (
normalizedMessage.includes("payment") ||
normalizedMessage.includes("mode of payment")
) {
context.type = "validation"
context.title = __("Payment Error")
context.retryable = true
}
// Series/Naming Errors
else if (
normalizedMessage.includes("series") ||
normalizedMessage.includes("naming")
) {
context.type = "error"
context.title = __("Naming Series Error")
context.retryable = false
}
// Permission Errors
else if (
normalizedMessage.includes("permission") ||
normalizedMessage.includes("not allowed")
) {
context.type = "error"
context.title = __("Permission Denied")
context.retryable = false
}
// Network/Connection Errors
else if (
normalizedMessage.includes("network") ||
normalizedMessage.includes("timeout") ||
normalizedMessage.includes("connection") ||
normalizedMessage.includes("fetch")
) {
context.type = "warning"
context.title = __("Connection Error")
context.message =
__("Unable to connect to server. Check your internet connection.")
context.retryable = true
}
// Duplicate Errors
else if (
normalizedMessage.includes("duplicate") ||
normalizedMessage.includes("already exists")
) {
context.type = "validation"
context.title = __("Duplicate Entry")
context.retryable = false
}
return context
}
/**
* Format error for clipboard (for reporting)
* @param {Object} errorContext - Parsed error context
* @param {Object} additionalInfo - Additional context (user, profile, etc)
* @returns {string} - Formatted error report
*/
export function formatErrorReport(errorContext, additionalInfo = {}) {
const lines = [
__("Error Report - POS Next"),
"=".repeat(40),
__('Title: {0}', [errorContext.title]),
__('Type: {0}', [errorContext.type]),
__('Message: {0}', [errorContext.message]),
"",
]
if (errorContext.technicalDetails) {
lines.push(__('Technical: {0}', [errorContext.technicalDetails]))
lines.push("")
}
if (additionalInfo.timestamp) {
lines.push(__('Timestamp: {0}', [additionalInfo.timestamp]))
}
if (additionalInfo.user) {
lines.push(__('User: {0}', [additionalInfo.user]))
}
if (additionalInfo.posProfile) {
lines.push(__('POS Profile: {0}', [additionalInfo.posProfile]))
}
return lines.join("\n")
}
/**
* Get toast icon class based on error type
* @param {string} errorType - error, warning, or validation
* @returns {string} - Tailwind CSS class
*/
export function getErrorIconClass(errorType) {
switch (errorType) {
case "error":
return "text-red-600"
case "warning":
return "text-orange-600"
case "validation":
return "text-yellow-600"
default:
return "text-red-600"
}
}
/**
* Handle API error with toast notification
* @param {Error} error - The error object
* @param {Function} toastFn - Toast creation function
* @param {Object} options - Additional options
*/
export function handleApiError(error, toastFn, options = {}) {
const errorContext = parseError(error)
const toastOptions = {
title: errorContext.title,
text: errorContext.message,
icon: "alert-circle",
iconClasses: getErrorIconClass(errorContext.type),
timeout: options.timeout || 6000,
}
if (toastFn) {
toastFn(toastOptions)
}
return errorContext
}