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result.go
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result.go
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package farm
import (
"encoding/json"
"net/http"
"github.com/SimonRichardson/coherence/pkg/api"
errs "github.com/SimonRichardson/coherence/pkg/api/http"
"github.com/SimonRichardson/coherence/pkg/selectors"
)
// ChangeSetQueryResult contains statistics about the query.
type ChangeSetQueryResult struct {
Errors errs.Error
Params KeyQueryParams `json:"query"`
Duration string `json:"duration"`
ChangeSet selectors.ChangeSet `json:"changeset"`
}
// EncodeTo encodes the ChangeSetQueryResult to the HTTP response writer.
func (qr *ChangeSetQueryResult) EncodeTo(w http.ResponseWriter) {
w.Header().Set(httpHeaderContentType, defaultContentType)
w.Header().Set(httpHeaderDuration, qr.Duration)
w.Header().Set(httpHeaderKey, qr.Params.Key().String())
if err := json.NewEncoder(w).Encode(struct {
Records api.ChangeSet `json:"records"`
}{
Records: api.ChangeSetOutput(qr.ChangeSet),
}); err != nil {
qr.Errors.Error(w, err.Error(), http.StatusInternalServerError)
}
}
// KeysQueryResult contains statistics about the query.
type KeysQueryResult struct {
Errors errs.Error
Duration string `json:"duration"`
Keys []selectors.Key `json:"keys"`
}
// EncodeTo encodes the KeysQueryResult to the HTTP response writer.
func (qr *KeysQueryResult) EncodeTo(w http.ResponseWriter) {
w.Header().Set(httpHeaderContentType, defaultContentType)
w.Header().Set(httpHeaderDuration, qr.Duration)
if err := json.NewEncoder(w).Encode(struct {
Records []api.Key `json:"records"`
}{
Records: api.KeysOutput(qr.Keys),
}); err != nil {
qr.Errors.Error(w, err.Error(), http.StatusInternalServerError)
}
}
// Int64QueryResult contains statistics about the query.
type Int64QueryResult struct {
Errors errs.Error
Params KeyParams `json:"query"`
Duration string `json:"duration"`
Integer int64 `json:"size"`
}
// EncodeTo encodes the Int64QueryResult to the HTTP response writer.
func (qr *Int64QueryResult) EncodeTo(w http.ResponseWriter) {
w.Header().Set(httpHeaderContentType, defaultContentType)
w.Header().Set(httpHeaderDuration, qr.Duration)
w.Header().Set(httpHeaderKey, qr.Params.Key().String())
if err := json.NewEncoder(w).Encode(struct {
Records int64 `json:"records"`
}{
Records: qr.Integer,
}); err != nil {
qr.Errors.Error(w, err.Error(), http.StatusInternalServerError)
}
}
// FieldsQueryResult contains statistics about the query.
type FieldsQueryResult struct {
Errors errs.Error
Params KeyQueryParams `json:"query"`
Duration string `json:"duration"`
Fields []selectors.Field `json:"fields"`
}
// EncodeTo encodes the FieldsQueryResult to the HTTP response writer.
func (qr *FieldsQueryResult) EncodeTo(w http.ResponseWriter) {
w.Header().Set(httpHeaderContentType, defaultContentType)
w.Header().Set(httpHeaderDuration, qr.Duration)
w.Header().Set(httpHeaderKey, qr.Params.Key().String())
w.Header().Set(httpHeaderQuorum, qr.Params.quorum.String())
if err := json.NewEncoder(w).Encode(struct {
Records []api.Field `json:"records"`
}{
Records: api.FieldsOutput(qr.Fields),
}); err != nil {
qr.Errors.Error(w, err.Error(), http.StatusInternalServerError)
}
}
// PresenceQueryResult contains statistics about the query.
type PresenceQueryResult struct {
Errors errs.Error
Params KeyFieldQueryParams `json:"query"`
Duration string `json:"duration"`
Presence selectors.Presence `json:"presence"`
}
// EncodeTo encodes the PresenceQueryResult to the HTTP response writer.
func (qr *PresenceQueryResult) EncodeTo(w http.ResponseWriter) {
w.Header().Set(httpHeaderContentType, defaultContentType)
w.Header().Set(httpHeaderDuration, qr.Duration)
w.Header().Set(httpHeaderKey, qr.Params.Key().String())
w.Header().Set(httpHeaderField, qr.Params.Field().String())
if err := json.NewEncoder(w).Encode(struct {
Records api.Presence `json:"records"`
}{
Records: api.Presence{
Inserted: qr.Presence.Inserted,
Present: qr.Presence.Present,
Score: qr.Presence.Score,
},
}); err != nil {
qr.Errors.Error(w, err.Error(), http.StatusInternalServerError)
}
}
// FieldScoreQueryResult contains statistics about the query.
type FieldScoreQueryResult struct {
Errors errs.Error
Params KeyFieldQueryParams `json:"query"`
Duration string `json:"duration"`
FieldScore selectors.FieldScore `json:"fieldscore"`
}
// EncodeTo encodes the FieldScoreQueryResult to the HTTP response writer.
func (qr *FieldScoreQueryResult) EncodeTo(w http.ResponseWriter) {
w.Header().Set(httpHeaderContentType, defaultContentType)
w.Header().Set(httpHeaderDuration, qr.Duration)
w.Header().Set(httpHeaderKey, qr.Params.Key().String())
w.Header().Set(httpHeaderField, qr.Params.Field().String())
w.Header().Set(httpHeaderQuorum, qr.Params.quorum.String())
if err := json.NewEncoder(w).Encode(struct {
Records api.FieldScore `json:"records"`
}{
Records: api.FieldScore{
Field: api.Field(qr.FieldScore.Field.String()),
Score: qr.FieldScore.Score,
},
}); err != nil {
qr.Errors.Error(w, err.Error(), http.StatusInternalServerError)
}
}
// FieldValueScoreQueryResult contains statistics about the query.
type FieldValueScoreQueryResult struct {
Errors errs.Error
Params KeyFieldQueryParams `json:"query"`
Duration string `json:"duration"`
FieldValueScore selectors.FieldValueScore `json:"fieldValueScore"`
}
// EncodeTo encodes the FieldValueScoreQueryResult to the HTTP response writer.
func (qr *FieldValueScoreQueryResult) EncodeTo(w http.ResponseWriter) {
w.Header().Set(httpHeaderContentType, defaultContentType)
w.Header().Set(httpHeaderDuration, qr.Duration)
w.Header().Set(httpHeaderKey, qr.Params.Key().String())
w.Header().Set(httpHeaderField, qr.Params.Field().String())
if err := json.NewEncoder(w).Encode(struct {
Records api.FieldValueScore `json:"records"`
}{
Records: api.FieldValueScore{
Field: api.Field(qr.FieldValueScore.Field.String()),
Value: qr.FieldValueScore.Value,
Score: qr.FieldValueScore.Score,
},
}); err != nil {
qr.Errors.Error(w, err.Error(), http.StatusInternalServerError)
}
}
const (
httpHeaderContentType = "Content-Type"
httpHeaderDuration = "X-Duration"
httpHeaderKey = "X-Key"
httpHeaderField = "X-Field"
httpHeaderQuorum = "X-Quorum"
)