56 lines
1.2 KiB
Go
56 lines
1.2 KiB
Go
package persistence
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import (
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"encoding/json"
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"fmt"
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"regexp"
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"strings"
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"github.com/Masterminds/squirrel"
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"github.com/deluan/navidrome/model"
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"github.com/deluan/navidrome/utils"
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)
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func toSqlArgs(rec interface{}) (map[string]interface{}, error) {
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// Convert to JSON...
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b, err := json.Marshal(rec)
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if err != nil {
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return nil, err
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}
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// ... then convert to map
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var m map[string]interface{}
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err = json.Unmarshal(b, &m)
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r := make(map[string]interface{}, len(m))
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for f, v := range m {
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if !utils.StringInSlice(f, model.AnnotationFields) {
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r[toSnakeCase(f)] = v
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}
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}
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return r, err
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}
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var matchFirstCap = regexp.MustCompile("(.)([A-Z][a-z]+)")
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var matchAllCap = regexp.MustCompile("([a-z0-9])([A-Z])")
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func toSnakeCase(str string) string {
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snake := matchFirstCap.ReplaceAllString(str, "${1}_${2}")
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snake = matchAllCap.ReplaceAllString(snake, "${1}_${2}")
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return strings.ToLower(snake)
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}
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func Exists(subTable string, cond squirrel.Sqlizer) exists {
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return exists{subTable: subTable, cond: cond}
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}
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type exists struct {
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subTable string
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cond squirrel.Sqlizer
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}
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func (e exists) ToSql() (string, []interface{}, error) {
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sql, args, err := e.cond.ToSql()
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sql = fmt.Sprintf("exists (select 1 from %s where %s)", e.subTable, sql)
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return sql, args, err
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}
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