53 lines
1.7 KiB
Go
53 lines
1.7 KiB
Go
// Package httperr defines the standard JSON error envelope shared by every
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// backend HTTP middleware and handler.
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//
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// The envelope shape is fixed by `backend/openapi.yaml` (`ErrorResponse`) and
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// must remain identical across the public, user, admin, and internal route
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// groups so that callers can parse failures uniformly.
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package httperr
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import (
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"github.com/gin-gonic/gin"
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)
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// Error code values that appear in the JSON envelope `error.code` field. They
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// are documented in `backend/openapi.yaml` and form the closed set of stable
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// machine-readable failure markers.
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const (
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CodeNotImplemented = "not_implemented"
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CodeInvalidRequest = "invalid_request"
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CodeUnauthorized = "unauthorized"
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CodeForbidden = "forbidden"
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CodeNotFound = "not_found"
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CodeConflict = "conflict"
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CodeMethodNotAllowed = "method_not_allowed"
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CodeInternalError = "internal_error"
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CodeServiceUnavailable = "service_unavailable"
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)
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// Body stores the inner `error` object of the standard envelope.
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type Body struct {
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// Code is the stable machine-readable failure marker.
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Code string `json:"code"`
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// Message is the human-readable client-safe failure description.
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Message string `json:"message"`
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}
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// Response wraps Body in the documented `{"error":{...}}` shape.
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type Response struct {
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Error Body `json:"error"`
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}
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// Abort writes the standard JSON error envelope with statusCode and aborts the
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// gin handler chain. It is the single helper every middleware and handler must
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// use to emit a failure response.
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func Abort(c *gin.Context, statusCode int, code, message string) {
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c.AbortWithStatusJSON(statusCode, Response{
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Error: Body{
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Code: code,
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Message: message,
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},
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})
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}
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