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package lulu
import (
"encoding/json"
"fmt"
"strconv"
)
//go:generate go run github.com/sam-rba/string-enumer -t Unit -t CoverValidationStatus --text -o ./cover_gen.go .
// Unit is a unit of length measurement.
type Unit string
const (
Points Unit = "pt"
Millimeters Unit = "mm"
Inches Unit = "inch"
)
// CoverValidationStatus is the status of a validation job for a cover
// file that is running on the server.
type CoverValidationStatus string
const (
CoverStatusNull CoverValidationStatus = "NULL" // file validation is not started yet
CoverStatusNormalizing CoverValidationStatus = "NORMALIZING" // file validation is still running
CoverStatusNormalized CoverValidationStatus = "NORMALIZED" // file validation finished without any errors
CoverStatusError CoverValidationStatus = "ERROR" // file is invalid, list of errors is included in the response
)
func (s CoverValidationStatus) IsFinal() bool {
switch s {
case CoverStatusNormalized, CoverStatusError:
return true
}
return false
}
// coverDimensionsReq is the json body of a /cover-dimensions/ request.
type coverDimensionsReq struct {
Mfg PkgId `json:"pod_package_id"`
NPages uint `json:"interior_page_count"`
Unit Unit `json:"unit"`
}
// validateCoverReq is the json body of a /validate-cover/ request.
type validateCoverReq struct {
SrcUrl string `json:"source_url"`
Mfg PkgId `json:"pod_package_id"`
NPages uint `json:"interior_page_count"`
}
type CoverDimensions struct {
Width, Height float64
Unit Unit
}
func (cd *CoverDimensions) UnmarshalJSON(data []byte) error {
s := string(data)
var alias struct {
Width, Height string
Unit Unit
}
if err := json.Unmarshal(data, &alias); err != nil {
return fmt.Errorf("malformed %T: %q: %w", cd, s, err)
}
w, err := strconv.ParseFloat(alias.Width, 64)
if err != nil {
return fmt.Errorf("malformed %T.Width: %q: %w", cd, s, err)
}
h, err := strconv.ParseFloat(alias.Height, 64)
if err != nil {
return fmt.Errorf("malformed %T.Height: %q: %w", cd, s, err)
}
cd.Width = w
cd.Height = h
cd.Unit = alias.Unit
return nil
}
func (cd CoverDimensions) String() string {
return fmt.Sprintf("%0.3f x %0.3f %s", cd.Width, cd.Height, cd.Unit)
}
// CoverValidation contains the validation status of a cover file.
type CoverValidation struct {
Id uint `json:"id"`
SrcUrl string `json:"source_url"`
NPages uint `json:"page_count"`
Errors []string `json:"errors"`
Status CoverValidationStatus
}
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