Method assignInterfacesToValue

finisher_api.go:258–305

(values ...interface{})

}

func (db *DB) assignInterfacesToValue(values ...interface{}) {
	for _, value := range values {
		switch v := value.(type) {
		case []clause.Expression:
			for _, expr := range v {
				if eq, ok := expr.(clause.Eq); ok {
					switch column := eq.Column.(type) {
					case string:
						if field := db.Statement.Schema.LookUpField(column); field != nil {
							db.AddError(field.Set(db.Statement.Context, db.Statement.ReflectValue, eq.Value))
						}
					case clause.Column:
						if field := db.Statement.Schema.LookUpField(column.Name); field != nil {
							db.AddError(field.Set(db.Statement.Context, db.Statement.ReflectValue, eq.Value))
						}
					}
				} else if andCond, ok := expr.(clause.AndConditions); ok {
					db.assignInterfacesToValue(andCond.Exprs)
				}
			}
		case clause.Expression, map[string]string, map[interface{}]interface{}, map[string]interface{}:
			if exprs := db.Statement.BuildCondition(value); len(exprs) > 0 {
				db.assignInterfacesToValue(exprs)
			}
		default:
			if s, err := schema.Parse(value, db.cacheStore, db.NamingStrategy); err == nil {
				reflectValue := reflect.Indirect(reflect.ValueOf(value))
				switch reflectValue.Kind() {
				case reflect.Struct:
					for _, f := range s.Fields {
						if f.Readable {
							if v, isZero := f.ValueOf(db.Statement.Context, reflectValue); !isZero {
								if field := db.Statement.Schema.LookUpField(f.Name); field != nil {
									db.AddError(field.Set(db.Statement.Context, db.Statement.ReflectValue, v))
								}
							}
						}
					}
				}
			} else if len(values) > 0 {
				if exprs := db.Statement.BuildCondition(values[0], values[1:]...); len(exprs) > 0 {
					db.assignInterfacesToValue(exprs)
				}
				return
			}
		}
	}
}

// FirstOrInit finds the first matching record, otherwise if not found initializes a new instance with given conds.
// Each conds must be a struct or map.