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helper.go
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helper.go
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// MIT License
//
// Copyright (c) 2020 Lack
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
package callbacks
import (
"sort"
"github.com/lack-io/vine/lib/dao"
"github.com/lack-io/vine/lib/dao/clause"
)
// ConvertMapToValuesForCreate convert map to values
func ConvertMapToValuesForCreate(stmt *dao.Statement, mapValue map[string]interface{}) (values clause.Values) {
values.Columns = make([]clause.Column, 0, len(mapValue))
selectColumns, restricted := stmt.SelectAndOmitColumns(true, false)
var keys = make([]string, 0, len(mapValue))
for k := range mapValue {
keys = append(keys, k)
}
sort.Strings(keys)
for _, k := range keys {
value := mapValue[k]
if stmt.Schema != nil {
if field := stmt.Schema.LookUpField(k); field != nil {
k = field.DBName
}
}
if v, ok := selectColumns[k]; (ok && v) || (!ok && !restricted) {
values.Columns = append(values.Columns, clause.Column{Name: k})
if len(values.Values) == 0 {
values.Values = [][]interface{}{{}}
}
values.Values[0] = append(values.Values[0], value)
}
}
return
}
// ConvertSliceOfMapToValuesForCreate convert slice of map to values
func ConvertSliceOfMapToValuesForCreate(stmt *dao.Statement, mapValues []map[string]interface{}) (values clause.Values) {
var (
columns = make([]string, 0, len(mapValues))
result = map[string][]interface{}{}
selectColumns, restricted = stmt.SelectAndOmitColumns(true, false)
)
if len(mapValues) == 0 {
stmt.AddError(dao.ErrEmptySlice)
return
}
for idx, mapValue := range mapValues {
for k, v := range mapValue {
if stmt.Schema != nil {
if field := stmt.Schema.LookUpField(k); field != nil {
k = field.DBName
}
}
if _, ok := result[k]; !ok {
if v, ok := selectColumns[k]; (ok && v) || (!ok && !restricted) {
result[k] = make([]interface{}, len(mapValues))
columns = append(columns, k)
} else {
continue
}
}
result[k][idx] = v
}
}
sort.Strings(columns)
values.Values = make([][]interface{}, len(mapValues))
values.Columns = make([]clause.Column, len(columns))
for idx, column := range columns {
values.Columns[idx] = clause.Column{Name: column}
for i, v := range result[column] {
if len(values.Values[i]) == 0 {
values.Values[i] = make([]interface{}, len(columns))
}
values.Values[i][idx] = v
}
}
return
}