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client.go
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client.go
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package client
import (
"fmt"
"net/http"
"strings"
"github.com/ghetzel/go-stockutil/httputil"
"github.com/ghetzel/go-stockutil/sliceutil"
"github.com/ghetzel/go-stockutil/typeutil"
"github.com/ghetzel/pivot/v3/dal"
"github.com/ghetzel/pivot/v3/util"
)
const DefaultPivotUrl = `http://localhost:29029`
type Status = util.Status
type QueryOptions struct {
Limit int `json:"limit"`
Offset int `json:"offset"`
Sort []string `json:"sort,omitempty"`
Fields []string `json:"fields,omitempty"`
Conjunction string `json:"conjunction,omitempty"`
}
type Pivot struct {
*httputil.Client
}
func New(url string) (*Pivot, error) {
if url == `` {
url = DefaultPivotUrl
}
if client, err := httputil.NewClient(url); err == nil {
return &Pivot{
Client: client,
}, nil
} else {
return nil, err
}
}
func (self *Pivot) Status() (*Status, error) {
if response, err := self.Get(`/api/status`, nil, nil); err == nil {
status := Status{}
if err := self.Decode(response.Body, &status); err == nil {
return &status, nil
} else {
return nil, err
}
} else {
return nil, err
}
}
func (self *Pivot) Collections() ([]string, error) {
if response, err := self.Get(`/api/schema`, nil, nil); err == nil {
var names []string
if err := self.Decode(response.Body, &names); err == nil {
return names, nil
} else {
return nil, err
}
} else {
return nil, err
}
}
func (self *Pivot) CreateCollection(def *dal.Collection) error {
return fmt.Errorf("Not Implemented")
}
func (self *Pivot) DeleteCollection(name string) error {
_, err := self.Delete(fmt.Sprintf("/api/schema/%s", name), nil, nil)
return err
}
func (self *Pivot) Collection(name string) (*dal.Collection, error) {
if response, err := self.Get(fmt.Sprintf("/api/schema/%s", name), nil, nil); err == nil {
var collection dal.Collection
if err := self.Decode(response.Body, &collection); err == nil {
return &collection, nil
} else {
return nil, err
}
} else {
return nil, err
}
}
func (self *Pivot) Query(collection string, query interface{}, options *QueryOptions) (*dal.RecordSet, error) {
var response *http.Response
var err error
opts := make(map[string]interface{})
if options != nil {
opts[`limit`] = options.Limit
opts[`offset`] = options.Offset
if len(options.Sort) > 0 {
opts[`sort`] = strings.Join(options.Sort, `,`)
}
if len(options.Fields) > 0 {
opts[`fields`] = strings.Join(options.Fields, `,`)
}
}
if typeutil.IsMap(query) {
response, err = self.Post(fmt.Sprintf("/api/collections/%s/query/", collection), query, opts, nil)
} else if typeutil.IsArray(query) {
qS := sliceutil.Stringify(query)
if len(qS) == 0 {
qS = []string{`all`}
}
response, err = self.Get(fmt.Sprintf("/api/collections/%s/where/%s", collection, strings.Join(qS, `/`)), opts, nil)
} else {
q := typeutil.String(query)
if q == `` {
q = `all`
}
response, err = self.Get(fmt.Sprintf("/api/collections/%s/where/%s", collection, q), opts, nil)
}
if err == nil {
var recordset dal.RecordSet
if err := self.Decode(response.Body, &recordset); err == nil {
return &recordset, nil
} else {
return nil, err
}
} else {
return nil, err
}
}
func (self *Pivot) Aggregate(collection string, query interface{}) (*dal.RecordSet, error) {
return nil, fmt.Errorf("Not Implemented")
}
func (self *Pivot) GetRecord(collection string, id interface{}) (*dal.Record, error) {
if response, err := self.Get(fmt.Sprintf("/api/collections/%s/records/%v", collection, id), nil, nil); err == nil {
var record dal.Record
if err := self.Decode(response.Body, &record); err == nil {
return &record, nil
} else {
return nil, err
}
} else {
return nil, err
}
}
func (self *Pivot) CreateRecord(collection string, records ...*dal.Record) (*dal.RecordSet, error) {
return self.upsertRecord(true, collection, records...)
}
func (self *Pivot) UpdateRecord(collection string, records ...*dal.Record) (*dal.RecordSet, error) {
return self.upsertRecord(false, collection, records...)
}
func (self *Pivot) upsertRecord(create bool, collection string, records ...*dal.Record) (*dal.RecordSet, error) {
var response *http.Response
var err error
recordset := dal.NewRecordSet(records...)
if create {
response, err = self.Post(fmt.Sprintf("/api/collections/%s", collection), recordset, nil, nil)
} else {
response, err = self.Put(fmt.Sprintf("/api/collections/%s", collection), recordset, nil, nil)
}
if err == nil {
if err := self.Decode(response.Body, recordset); err == nil {
return recordset, nil
} else {
return recordset, err
}
} else {
return nil, err
}
}
func (self *Pivot) DeleteRecords(collection string, ids ...interface{}) error {
_, err := self.Delete(fmt.Sprintf(
"/api/collections/%s/records/%s",
collection,
strings.Join(sliceutil.Stringify(ids), `/`),
), nil, nil)
return err
}