mirror of
https://github.com/bitechdev/ResolveSpec.git
synced 2025-11-13 09:53:53 +00:00
101 lines
2.9 KiB
Go
101 lines
2.9 KiB
Go
package reflection
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import (
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"reflect"
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"strings"
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"github.com/bitechdev/ResolveSpec/pkg/logger"
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)
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type ModelFieldDetail struct {
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Name string `json:"name"`
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DataType string `json:"datatype"`
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SQLName string `json:"sqlname"`
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SQLDataType string `json:"sqldatatype"`
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SQLKey string `json:"sqlkey"`
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Nullable bool `json:"nullable"`
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FieldValue reflect.Value `json:"-"`
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}
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// GetModelColumnDetail - Get a list of columns in the SQL declaration of the model
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func GetModelColumnDetail(record reflect.Value) []ModelFieldDetail {
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defer func() {
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if r := recover(); r != nil {
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logger.Error("Panic in GetModelColumnDetail : %v", r)
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}
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}()
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var lst []ModelFieldDetail
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lst = make([]ModelFieldDetail, 0)
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if !record.IsValid() {
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return lst
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}
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if record.Kind() == reflect.Pointer || record.Kind() == reflect.Interface {
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record = record.Elem()
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}
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if record.Kind() != reflect.Struct {
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return lst
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}
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modeltype := record.Type()
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for i := 0; i < modeltype.NumField(); i++ {
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fieldtype := modeltype.Field(i)
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gormdetail := fieldtype.Tag.Get("gorm")
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gormdetail = strings.Trim(gormdetail, " ")
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fielddetail := ModelFieldDetail{}
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fielddetail.FieldValue = record.Field(i)
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fielddetail.Name = fieldtype.Name
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fielddetail.DataType = fieldtype.Type.Name()
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fielddetail.SQLName = fnFindKeyVal(gormdetail, "column:")
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fielddetail.SQLDataType = fnFindKeyVal(gormdetail, "type:")
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if strings.Index(strings.ToLower(gormdetail), "identity") > 0 ||
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strings.Index(strings.ToLower(gormdetail), "primary_key") > 0 {
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fielddetail.SQLKey = "primary_key"
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} else if strings.Contains(strings.ToLower(gormdetail), "unique") {
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fielddetail.SQLKey = "unique"
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} else if strings.Contains(strings.ToLower(gormdetail), "uniqueindex") {
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fielddetail.SQLKey = "uniqueindex"
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}
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if strings.Contains(strings.ToLower(gormdetail), "nullable") {
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fielddetail.Nullable = true
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} else if strings.Contains(strings.ToLower(gormdetail), "null") {
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fielddetail.Nullable = true
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}
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if strings.Contains(strings.ToLower(gormdetail), "not null") {
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fielddetail.Nullable = false
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}
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if strings.Contains(strings.ToLower(gormdetail), "foreignkey:") {
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fielddetail.SQLKey = "foreign_key"
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ik := strings.Index(strings.ToLower(gormdetail), "foreignkey:")
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ie := strings.Index(gormdetail[ik:], ";")
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if ie > ik && ik > 0 {
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fielddetail.SQLName = strings.ToLower(gormdetail)[ik+11 : ik+ie]
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//fmt.Printf("\r\nforeignkey: %v", fielddetail)
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}
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}
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//";foreignkey:rid_parent;association_foreignkey:id_atevent;save_associations:false;association_autocreate:false;"
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lst = append(lst, fielddetail)
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}
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return lst
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}
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func fnFindKeyVal(src, key string) string {
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icolStart := strings.Index(strings.ToLower(src), strings.ToLower(key))
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val := ""
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if icolStart >= 0 {
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val = src[icolStart+len(key):]
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icolend := strings.Index(val, ";")
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if icolend > 0 {
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val = val[:icolend]
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}
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return val
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}
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return ""
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}
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