468 lines
11 KiB
Go
468 lines
11 KiB
Go
// Copyright © 2016 Abcum Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package item
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import (
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"fmt"
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"regexp"
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"github.com/robertkrimen/otto"
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"github.com/yuin/gopher-lua"
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"github.com/abcum/surreal/cnf"
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"github.com/abcum/surreal/sql"
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"github.com/abcum/surreal/util/conv"
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)
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func (this *Doc) each(fld *sql.DefineFieldStatement) (err error) {
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return this.current.Walk(func(key string, val interface{}) error {
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old := this.initial.Get(key).Data()
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if fld.Readonly && old != nil {
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this.current.Set(old, key)
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return nil
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}
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if fld.Code != "" {
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if cnf.Settings.DB.Lang == "js" {
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vm := otto.New()
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vm.Set("doc", this.current.Copy())
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ret, err := vm.Run("(function() { " + fld.Code + " })()")
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if err != nil {
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return fmt.Errorf("Problem executing code: %v %v", fld.Code, err.Error())
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}
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if ret.IsUndefined() {
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this.current.Del(key)
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} else {
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val, _ := ret.Export()
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this.current.Set(val, key)
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}
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}
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if cnf.Settings.DB.Lang == "lua" {
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vm := lua.NewState()
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defer vm.Close()
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vm.SetGlobal("doc", toLUA(vm, this.current.Copy()))
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if err := vm.DoString(fld.Code); err != nil {
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return fmt.Errorf("Problem executing code: %v %v", fld.Code, err.Error())
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}
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ret := vm.Get(-1)
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if ret == lua.LNil {
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this.current.Del(key)
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} else {
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this.current.Set(frLUA(ret), key)
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}
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}
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}
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// Ensure that any defined fields are correctly
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// formatted according to their defined type.
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if err = this.chck(fld, key, old, val); err != nil {
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return err
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}
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// Ensure that any default fields are correctly
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// formatted according to their defined type.
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if err = this.chck(fld, key, old, val); err != nil {
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return err
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}
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// Otherwise this is all good.
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return nil
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}, fld.Name)
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}
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func (this *Doc) chck(fld *sql.DefineFieldStatement, key string, old, val interface{}) (err error) {
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var exi bool
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// Ensure that any fields which have been set to
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// null are reset back to default if specified.
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exi = this.current.Exists(key)
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val = this.current.Get(key).Data()
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if fld.Default != nil && (exi == false || val == nil && fld.Notnull) {
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switch def := fld.Default.(type) {
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case sql.Null, *sql.Null:
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this.current.Set(nil, key)
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default:
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this.current.Set(fld.Default, key)
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case sql.Ident:
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this.current.Set(this.current.Get(def.ID).Data(), key)
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case *sql.Ident:
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this.current.Set(this.current.Get(def.ID).Data(), key)
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}
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}
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// Check to see if any field which has been set
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// to defaults now satisfies the field constraints.
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exi = this.current.Exists(key)
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val = this.current.Get(key).Data()
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if fld.Notnull && exi == true && val == nil {
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return fmt.Errorf("Field '%v' can't be null", key)
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}
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if fld.Mandatory && exi == false {
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return fmt.Errorf("Need to set field '%v'", key)
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}
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// Ensure that any defined fields are correctly
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// formatted according to their defined type.
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if val != nil {
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switch fld.Type {
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case "url":
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if cnv, err := conv.ConvertToUrl(val); err == nil {
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this.current.Set(cnv, key)
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} else {
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if fld.Validate {
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return fmt.Errorf("Field '%v' needs to be a URL, but found '%v'", key, val)
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} else {
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this.current.Iff(old, key)
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}
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}
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case "uuid":
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if cnv, err := conv.ConvertToUuid(val); err == nil {
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this.current.Set(cnv, key)
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} else {
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if fld.Validate {
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return fmt.Errorf("Field '%v' needs to be a UUID, but found '%v'", key, val)
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} else {
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this.current.Iff(old, key)
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}
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}
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case "color":
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if cnv, err := conv.ConvertToColor(val); err == nil {
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this.current.Set(cnv, key)
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} else {
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if fld.Validate {
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return fmt.Errorf("Field '%v' needs to be a HEX or RGB color, but found '%v'", key, val)
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} else {
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this.current.Iff(old, key)
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}
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}
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case "email":
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if cnv, err := conv.ConvertToEmail(val); err == nil {
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this.current.Set(cnv, key)
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} else {
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if fld.Validate {
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return fmt.Errorf("Field '%v' needs to be an email address, but found '%v'", key, val)
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} else {
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this.current.Iff(old, key)
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}
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}
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case "phone":
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if cnv, err := conv.ConvertToPhone(val); err == nil {
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this.current.Set(cnv, key)
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} else {
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if fld.Validate {
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return fmt.Errorf("Field '%v' needs to be a phone number, but found '%v'", key, val)
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} else {
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this.current.Iff(old, key)
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}
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}
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case "array":
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if cnv, err := conv.ConvertToArray(val); err == nil {
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this.current.Set(cnv, key)
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} else {
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if fld.Validate {
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return fmt.Errorf("Field '%v' needs to be an array, but found '%v'", key, val)
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} else {
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this.current.Iff(old, key)
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}
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}
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case "object":
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if cnv, err := conv.ConvertToObject(val); err == nil {
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this.current.Set(cnv, key)
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} else {
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if fld.Validate {
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return fmt.Errorf("Field '%v' needs to be an object, but found '%v'", key, val)
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} else {
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this.current.Iff(old, key)
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}
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}
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case "domain":
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if cnv, err := conv.ConvertToDomain(val); err == nil {
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this.current.Set(cnv, key)
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} else {
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if fld.Validate {
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return fmt.Errorf("Field '%v' needs to be a domain name, but found '%v'", key, val)
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} else {
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this.current.Iff(old, key)
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}
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}
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case "base64":
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if cnv, err := conv.ConvertToBase64(val); err == nil {
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this.current.Set(cnv, key)
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} else {
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if fld.Validate {
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return fmt.Errorf("Field '%v' needs to be base64 data, but found '%v'", key, val)
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} else {
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this.current.Iff(old, key)
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}
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}
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case "record":
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if cnv, ok := val.(*sql.Thing); ok {
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this.current.Set(cnv, key)
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} else {
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if fld.Validate {
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return fmt.Errorf("Field '%v' needs to be a record, but found '%v'", key, val)
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} else {
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this.current.Iff(old, key)
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}
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}
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case "string":
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if cnv, err := conv.ConvertToString(val); err == nil {
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this.current.Set(cnv, key)
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} else {
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if fld.Validate {
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return fmt.Errorf("Field '%v' needs to be a string, but found '%v'", key, val)
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} else {
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this.current.Iff(old, key)
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}
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}
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case "number":
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if cnv, err := conv.ConvertToNumber(val); err == nil {
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this.current.Set(cnv, key)
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} else {
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if fld.Validate {
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return fmt.Errorf("Field '%v' needs to be a number, but found '%v'", key, val)
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} else {
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this.current.Iff(old, key)
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}
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}
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case "double":
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if cnv, err := conv.ConvertToDouble(val); err == nil {
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this.current.Set(cnv, key)
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} else {
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if fld.Validate {
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return fmt.Errorf("Field '%v' needs to be a double, but found '%v'", key, val)
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} else {
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this.current.Iff(old, key)
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}
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}
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case "boolean":
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if cnv, err := conv.ConvertToBoolean(val); err == nil {
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this.current.Set(cnv, key)
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} else {
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if fld.Validate {
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return fmt.Errorf("Field '%v' needs to be a boolean, but found '%v'", key, val)
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} else {
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this.current.Iff(old, key)
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}
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}
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case "datetime":
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if cnv, err := conv.ConvertToDatetime(val); err == nil {
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this.current.Set(cnv, key)
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} else {
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if fld.Validate {
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return fmt.Errorf("Field '%v' needs to be a datetime, but found '%v'", key, val)
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} else {
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this.current.Iff(old, key)
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}
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}
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case "latitude":
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if cnv, err := conv.ConvertToLatitude(val); err == nil {
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this.current.Set(cnv, key)
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} else {
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if fld.Validate {
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return fmt.Errorf("Field '%v' needs to be a latitude value, but found '%v'", key, val)
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} else {
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this.current.Iff(old, key)
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}
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}
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case "longitude":
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if cnv, err := conv.ConvertToLongitude(val); err == nil {
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this.current.Set(cnv, key)
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} else {
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if fld.Validate {
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return fmt.Errorf("Field '%v' needs to be a longitude value, but found '%v'", key, val)
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} else {
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this.current.Iff(old, key)
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}
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}
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case "custom":
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if cnv, err := conv.ConvertToOneOf(val, fld.Enum...); err == nil {
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this.current.Set(cnv, key)
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} else {
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if fld.Validate {
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return fmt.Errorf("Field '%v' needs to be one of %v, but found '%v'", key, fld.Enum, val)
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} else {
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this.current.Iff(old, key)
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}
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}
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}
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}
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if fld.Match != "" {
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if reg, err := regexp.Compile(fld.Match); err != nil {
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return fmt.Errorf("Regular expression /%v/ is invalid", fld.Match)
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} else {
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if !reg.MatchString(fmt.Sprintf("%v", val)) {
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if fld.Validate {
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return fmt.Errorf("Field '%v' needs to match the regular expression /%v/", key, fld.Match)
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} else {
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this.current.Iff(old, key)
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}
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}
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}
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}
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if fld.Min != 0 {
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if val = this.current.Get(key).Data(); val != nil {
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switch now := val.(type) {
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case []interface{}:
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if len(now) < int(fld.Min) {
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if fld.Validate {
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return fmt.Errorf("Field '%v' needs to have at least %v items", key, fld.Min)
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} else {
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this.current.Iff(old, key)
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}
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}
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case string:
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if len(now) < int(fld.Min) {
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if fld.Validate {
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return fmt.Errorf("Field '%v' needs to have at least %v characters", key, fld.Min)
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} else {
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this.current.Iff(old, key)
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}
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}
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case int64:
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if now < int64(fld.Min) {
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if fld.Validate {
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return fmt.Errorf("Field '%v' needs to be >= %v", key, fld.Min)
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} else {
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this.current.Iff(old, key)
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}
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}
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case float64:
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if now < float64(fld.Min) {
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if fld.Validate {
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return fmt.Errorf("Field '%v' needs to be >= %v", key, fld.Min)
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} else {
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this.current.Iff(old, key)
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}
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}
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}
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}
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}
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if fld.Max != 0 {
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if val = this.current.Get(key).Data(); val != nil {
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switch now := val.(type) {
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case []interface{}:
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if len(now) > int(fld.Max) {
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if fld.Validate {
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return fmt.Errorf("Field '%v' needs to have %v or fewer items", key, fld.Max)
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} else {
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this.current.Iff(old, key)
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}
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}
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case string:
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if len(now) > int(fld.Max) {
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if fld.Validate {
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return fmt.Errorf("Field '%v' needs to have %v or fewer characters", key, fld.Max)
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} else {
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this.current.Iff(old, key)
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}
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}
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case int64:
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if now > int64(fld.Max) {
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if fld.Validate {
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return fmt.Errorf("Field '%v' needs to be <= %v", key, fld.Max)
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} else {
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this.current.Iff(old, key)
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}
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}
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case float64:
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if now > float64(fld.Max) {
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if fld.Validate {
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return fmt.Errorf("Field '%v' needs to be <= %v", key, fld.Max)
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} else {
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this.current.Iff(old, key)
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}
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}
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}
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}
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}
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return
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}
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