mirror of https://git.swurl.xyz/swirl/link.git
96 lines
2.3 KiB
Go
96 lines
2.3 KiB
Go
package callbacks
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import (
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"sort"
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"gorm.io/gorm"
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"gorm.io/gorm/clause"
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)
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// ConvertMapToValuesForCreate convert map to values
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func ConvertMapToValuesForCreate(stmt *gorm.Statement, mapValue map[string]interface{}) (values clause.Values) {
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values.Columns = make([]clause.Column, 0, len(mapValue))
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selectColumns, restricted := stmt.SelectAndOmitColumns(true, false)
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var keys = make([]string, 0, len(mapValue))
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for k := range mapValue {
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keys = append(keys, k)
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}
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sort.Strings(keys)
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for _, k := range keys {
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value := mapValue[k]
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if stmt.Schema != nil {
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if field := stmt.Schema.LookUpField(k); field != nil {
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k = field.DBName
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}
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}
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if v, ok := selectColumns[k]; (ok && v) || (!ok && !restricted) {
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values.Columns = append(values.Columns, clause.Column{Name: k})
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if len(values.Values) == 0 {
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values.Values = [][]interface{}{{}}
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}
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values.Values[0] = append(values.Values[0], value)
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}
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}
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return
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}
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// ConvertSliceOfMapToValuesForCreate convert slice of map to values
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func ConvertSliceOfMapToValuesForCreate(stmt *gorm.Statement, mapValues []map[string]interface{}) (values clause.Values) {
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var (
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columns = make([]string, 0, len(mapValues))
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)
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// when the length of mapValues,return directly here
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// no need to call stmt.SelectAndOmitColumns method
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if len(mapValues) == 0 {
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stmt.AddError(gorm.ErrEmptySlice)
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return
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}
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var (
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result = make(map[string][]interface{}, len(mapValues))
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selectColumns, restricted = stmt.SelectAndOmitColumns(true, false)
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)
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for idx, mapValue := range mapValues {
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for k, v := range mapValue {
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if stmt.Schema != nil {
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if field := stmt.Schema.LookUpField(k); field != nil {
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k = field.DBName
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}
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}
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if _, ok := result[k]; !ok {
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if v, ok := selectColumns[k]; (ok && v) || (!ok && !restricted) {
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result[k] = make([]interface{}, len(mapValues))
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columns = append(columns, k)
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} else {
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continue
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}
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}
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result[k][idx] = v
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}
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}
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sort.Strings(columns)
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values.Values = make([][]interface{}, len(mapValues))
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values.Columns = make([]clause.Column, len(columns))
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for idx, column := range columns {
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values.Columns[idx] = clause.Column{Name: column}
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for i, v := range result[column] {
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if len(values.Values[i]) == 0 {
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values.Values[i] = make([]interface{}, len(columns))
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}
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values.Values[i][idx] = v
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}
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}
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return
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}
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