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54 lines
1.7 KiB
Go
54 lines
1.7 KiB
Go
package sqlmodel
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import (
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"bytes"
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"fmt"
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"strings"
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"text/template"
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"zero/core/stringx"
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)
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var updateTemplate = `
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func ({{.pointer}} *{{.model}}Model) Update(data {{.model}}{{.conditions}}) error {
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sql := ` + "`" + `update ` + "` + " + `{{.pointer}}.table` + " + `" + ` set ` + "` +" + ` {{.modelWithLowerStart}}RowsWithPlaceHolder + ` + "` where" + ` {{.valueConditions}}` + "`\n" +
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` _, err := {{.pointer}}.conn.Exec(sql, {{.values}})
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return err
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}
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`
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func (s *structExp) genUpdate() (string, error) {
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var updateValues []string
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var conditionsValues []string
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for _, field := range s.Fields {
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key := fmt.Sprintf("data.%s", field.name)
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if stringx.Contains(s.conditions, field.tag) ||
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stringx.Contains(s.conditions, field.name) {
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conditionsValues = append(conditionsValues, key)
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} else if !stringx.Contains(s.ignoreFields, field.name) && !stringx.Contains(s.ignoreFields, field.tag) {
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updateValues = append(updateValues, key)
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}
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}
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conditionExp, valueConditions := s.buildCondition()
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if len(s.conditions) == 1 && s.conditions[0] == s.primaryKey {
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conditionExp = ""
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} else {
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conditionExp = ", " + conditionExp
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}
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t := template.Must(template.New("updateTemplate").Parse(updateTemplate))
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var tmplBytes bytes.Buffer
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err := t.Execute(&tmplBytes, map[string]string{
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"pointer": "m",
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"model": s.name,
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"values": strings.Join(append(updateValues, conditionsValues...), ", "),
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"primaryKey": s.primaryKey,
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"valueConditions": valueConditions,
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"conditions": conditionExp,
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"modelWithLowerStart": fmtUnderLine2Camel(s.name, false),
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})
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if err != nil {
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return "", err
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}
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return tmplBytes.String(), nil
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}
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