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76 lines
2.0 KiB
76 lines
2.0 KiB
package JsonSerialization
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import (
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"encoding/json"
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"errors"
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"fmt"
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"strings"
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"git.tovijaeschke.xyz/tovi/Envelope/Backend/Models"
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schema "github.com/Kangaroux/go-map-schema"
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)
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func DeserializeUser(data []byte, allowMissing []string, allowAllMissing bool) (Models.User, error) {
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var (
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userData Models.User = Models.User{}
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jsonStructureTest map[string]interface{} = make(map[string]interface{})
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jsonStructureTestResults *schema.CompareResults
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field schema.FieldMissing
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allowed string
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missingFields []string
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i int
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err error
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)
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// Verify the JSON has the correct structure
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json.Unmarshal(data, &jsonStructureTest)
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jsonStructureTestResults, err = schema.CompareMapToStruct(
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&userData,
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jsonStructureTest,
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&schema.CompareOpts{
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ConvertibleFunc: CanConvert,
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TypeNameFunc: schema.DetailedTypeName,
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})
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if err != nil {
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return userData, err
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}
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if len(jsonStructureTestResults.MismatchedFields) > 0 {
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return userData, errors.New(fmt.Sprintf(
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"MismatchedFields found when deserializing data: %s",
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jsonStructureTestResults.Errors().Error(),
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))
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}
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// Remove allowed missing fields from MissingFields
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for _, allowed = range allowMissing {
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for i, field = range jsonStructureTestResults.MissingFields {
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if allowed == field.String() {
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jsonStructureTestResults.MissingFields = append(
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jsonStructureTestResults.MissingFields[:i],
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jsonStructureTestResults.MissingFields[i+1:]...,
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)
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}
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}
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}
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if !allowAllMissing && len(jsonStructureTestResults.MissingFields) > 0 {
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for _, field = range jsonStructureTestResults.MissingFields {
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missingFields = append(missingFields, field.String())
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}
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return userData, errors.New(fmt.Sprintf(
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"MissingFields found when deserializing data: %s",
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strings.Join(missingFields, ", "),
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))
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}
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// Deserialize the JSON into the struct
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err = json.Unmarshal(data, &userData)
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if err != nil {
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return userData, err
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}
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return userData, err
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}
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