| package types |
| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| import ( |
| "database/sql" |
| "errors" |
| "fmt" |
| "net/http" |
| "strconv" |
| "time" |
| |
| "github.com/apache/trafficcontrol/lib/go-tc" |
| "github.com/apache/trafficcontrol/lib/go-tc/tovalidate" |
| "github.com/apache/trafficcontrol/lib/go-util" |
| "github.com/apache/trafficcontrol/traffic_ops/traffic_ops_golang/api" |
| "github.com/apache/trafficcontrol/traffic_ops/traffic_ops_golang/dbhelpers" |
| |
| validation "github.com/go-ozzo/ozzo-validation" |
| ) |
| |
| // TOType is a needed type alias to define functions on. |
| type TOType struct { |
| api.APIInfoImpl `json:"-"` |
| tc.TypeNullable |
| } |
| |
| func (v *TOType) GetLastUpdated() (*time.Time, bool, error) { |
| return api.GetLastUpdated(v.APIInfo().Tx, *v.ID, "type") |
| } |
| |
| func (v *TOType) SetLastUpdated(t tc.TimeNoMod) { v.LastUpdated = &t } |
| func (v *TOType) InsertQuery() string { return insertQuery() } |
| func (v *TOType) NewReadObj() interface{} { return &tc.TypeNullable{} } |
| func (v *TOType) SelectQuery() string { return selectQuery() } |
| func (v *TOType) SelectMaxLastUpdatedQuery(where string, orderBy string, pagination string, tableName string) string { |
| return selectMaxLastUpdatedQuery(where, orderBy, pagination, tableName) |
| } |
| func (v *TOType) ParamColumns() map[string]dbhelpers.WhereColumnInfo { |
| return map[string]dbhelpers.WhereColumnInfo{ |
| "name": dbhelpers.WhereColumnInfo{Column: "typ.name"}, |
| "id": dbhelpers.WhereColumnInfo{Column: "typ.id", Checker: api.IsInt}, |
| "useInTable": dbhelpers.WhereColumnInfo{Column: "typ.use_in_table"}, |
| } |
| } |
| func (v *TOType) UpdateQuery() string { return updateQuery() } |
| func (v *TOType) DeleteQuery() string { return deleteQuery() } |
| |
| func (typ TOType) GetKeyFieldsInfo() []api.KeyFieldInfo { |
| return []api.KeyFieldInfo{{Field: "id", Func: api.GetIntKey}} |
| } |
| |
| //Implementation of the Identifier, Validator interface functions |
| func (typ TOType) GetKeys() (map[string]interface{}, bool) { |
| if typ.ID == nil { |
| return map[string]interface{}{"id": 0}, false |
| } |
| return map[string]interface{}{"id": *typ.ID}, true |
| } |
| |
| func (typ *TOType) SetKeys(keys map[string]interface{}) { |
| i, _ := keys["id"].(int) //this utilizes the non panicking type assertion, if the thrown away ok variable is false i will be the zero of the type, 0 here. |
| typ.ID = &i |
| } |
| |
| func (typ *TOType) GetAuditName() string { |
| if typ.Name != nil { |
| return *typ.Name |
| } |
| if typ.ID != nil { |
| return strconv.Itoa(*typ.ID) |
| } |
| return "unknown" |
| } |
| |
| func (typ *TOType) GetType() string { |
| return "type" |
| } |
| |
| func (typ *TOType) Validate() (error, error) { |
| errs := validation.Errors{ |
| "name": validation.Validate(typ.Name, validation.Required), |
| "description": validation.Validate(typ.Description, validation.Required), |
| "use_in_table": validation.Validate(typ.UseInTable, validation.Required), |
| } |
| if errs != nil { |
| return util.JoinErrs(tovalidate.ToErrors(errs)), nil |
| } |
| return nil, nil |
| } |
| |
| func (tp *TOType) Read(h http.Header, useIMS bool) ([]interface{}, error, error, int, *time.Time) { |
| api.DefaultSort(tp.APIInfo(), "name") |
| return api.GenericRead(h, tp, useIMS) |
| } |
| |
| func (tp *TOType) Update(h http.Header) (error, error, int) { |
| if !tp.AllowMutation(false) { |
| return errors.New("can not update type"), nil, http.StatusBadRequest |
| } |
| return api.GenericUpdate(h, tp) |
| } |
| |
| func (tp *TOType) Delete() (error, error, int) { |
| if !tp.AllowMutation(false) { |
| return errors.New(fmt.Sprintf("can not delete type")), nil, http.StatusBadRequest |
| } |
| return api.GenericDelete(tp) |
| } |
| |
| func (tp *TOType) Create() (error, error, int) { |
| if !tp.AllowMutation(true) { |
| return errors.New("can not create type"), nil, http.StatusBadRequest |
| } |
| return api.GenericCreate(tp) |
| } |
| |
| func (tp *TOType) AllowMutation(forCreation bool) bool { |
| if !forCreation { |
| userErr, sysErr, actualUseInTable := tp.loadUseInTable() |
| if userErr != nil || sysErr != nil { |
| return false |
| } else if actualUseInTable != "server" { |
| return false |
| } |
| } else if *tp.UseInTable != "server" { // Only allow creating of types with UseInTable being "server" |
| return false |
| } |
| return true |
| } |
| |
| func (tp *TOType) loadUseInTable() (error, error, string) { |
| var useInTable string |
| // ID is only nil on creation, should not call this method in that case |
| if tp.ID != nil { |
| query := `SELECT use_in_table from type where id=$1` |
| err := tp.ReqInfo.Tx.Tx.QueryRow(query, tp.ID).Scan(&useInTable) |
| if err == sql.ErrNoRows { |
| if tp.UseInTable == nil { |
| return nil, nil, "" |
| } |
| return nil, nil, *tp.UseInTable |
| } |
| if err != nil { |
| return nil, err, "" |
| } |
| } else { |
| return errors.New("no type with that key found"), nil, "" |
| } |
| |
| return nil, nil, useInTable |
| } |
| |
| func selectMaxLastUpdatedQuery(where, orderBy, pagination, tableName string) string { |
| return `SELECT max(t) from ( |
| SELECT max(last_updated) as t from ` + tableName + ` typ ` + where + orderBy + pagination + |
| ` UNION ALL |
| select max(last_updated) as t from last_deleted l where l.table_name='type') as res` |
| } |
| |
| func selectQuery() string { |
| return `SELECT |
| id, |
| name, |
| description, |
| use_in_table, |
| last_updated |
| FROM type typ` |
| } |
| |
| func updateQuery() string { |
| query := `UPDATE |
| type SET |
| name=:name, |
| description=:description, |
| use_in_table=:use_in_table |
| WHERE id=:id RETURNING last_updated` |
| return query |
| } |
| |
| func insertQuery() string { |
| query := `INSERT INTO type ( |
| name, |
| description, |
| use_in_table) VALUES ( |
| :name, |
| :description, |
| :use_in_table) RETURNING id,last_updated` |
| return query |
| } |
| |
| func deleteQuery() string { |
| query := `DELETE FROM type |
| WHERE id=:id` |
| return query |
| } |