86 lines
3.2 KiB
Go
86 lines
3.2 KiB
Go
package handlers
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import (
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"errors"
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"fmt"
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"strings"
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"github.com/gofiber/fiber/v2"
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"wucher/internal/shared/pkg/attachmentresolver"
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"wucher/internal/transport/http/jsonapi"
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"wucher/internal/transport/http/response"
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)
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func resolveAttachmentIDFromInput(c *fiber.Ctx, params attachmentresolver.Params, errorTitle string) ([]byte, bool) {
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attachmentID, err := attachmentresolver.Resolve(c.UserContext(), params)
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if err == nil {
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return attachmentID, false
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}
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var resolveErr *attachmentresolver.ResolveError
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if errors.As(err, &resolveErr) {
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switch resolveErr.Code {
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case attachmentresolver.ErrorInvalidAttachmentUUID:
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writeValidationError(c, fmt.Sprintf("%s is invalid UUID", fieldOrDefault(resolveErr.AttachmentField, "attachment_id")), "/data/attributes/"+fieldOrDefault(resolveErr.AttachmentField, "attachment_id"))
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return nil, true
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case attachmentresolver.ErrorInvalidFileUUID:
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writeValidationError(c, fmt.Sprintf("%s is invalid UUID", fieldOrDefault(resolveErr.FileField, "file_id")), "/data/attributes/"+fieldOrDefault(resolveErr.FileField, "file_id"))
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return nil, true
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case attachmentresolver.ErrorAttachmentNotFound:
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writeValidationError(c, fmt.Sprintf("%s not found", fieldOrDefault(resolveErr.AttachmentField, "attachment_id")), "/data/attributes/"+fieldOrDefault(resolveErr.AttachmentField, "attachment_id"))
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return nil, true
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case attachmentresolver.ErrorRequireValue:
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writeValidationError(c, fmt.Sprintf("%s or %s is required", fieldOrDefault(resolveErr.AttachmentField, "attachment_id"), fieldOrDefault(resolveErr.FileField, "file_id")), "/data/attributes")
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return nil, true
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case attachmentresolver.ErrorCannotResolveFromFile:
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writeValidationError(c, fmt.Sprintf("cannot resolve attachment from %s", fieldOrDefault(resolveErr.FileField, "file_id")), "/data/attributes/"+fieldOrDefault(resolveErr.FileField, "file_id"))
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return nil, true
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case attachmentresolver.ErrorFileNotReadyForAttachment:
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writeValidationError(c, fmt.Sprintf("%s is not ready yet; wait for file.updated SSE event", fieldOrDefault(resolveErr.FileField, "file_id")), "/data/attributes/"+fieldOrDefault(resolveErr.FileField, "file_id"))
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return nil, true
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case attachmentresolver.ErrorFileManagerUnavailable:
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writeBadRequestError(c, errorTitle, resolveErr.Error())
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return nil, true
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}
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}
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writeBadRequestError(c, errorTitle, err.Error())
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return nil, true
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}
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func writeValidationError(c *fiber.Ctx, detail, pointer string) {
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_ = response.WriteErrors(c, fiber.StatusUnprocessableEntity, []jsonapi.ErrorObject{{
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Status: "422",
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Title: "Validation error",
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Detail: detail,
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Source: &jsonapi.ErrorSource{Pointer: pointer},
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}})
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}
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func writeBadRequestError(c *fiber.Ctx, title, detail string) {
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if title == "" {
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title = "Request failed"
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}
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_ = response.WriteErrors(c, fiber.StatusBadRequest, []jsonapi.ErrorObject{{
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Status: "400",
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Title: title,
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Detail: detail,
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}})
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}
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func fieldOrDefault(v string, fallback string) string {
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if v == "" {
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return fallback
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}
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return v
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}
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func hasNonEmptyOptionalString(v *string) bool {
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return v != nil && strings.TrimSpace(*v) != ""
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}
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func hasBlankOptionalString(v *string) bool {
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return v != nil && strings.TrimSpace(*v) == ""
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}
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