ev/pkg/gql/connection.go

68 lines
1.2 KiB
Go

package gql
import (
"context"
"encoding/json"
"github.com/sour-is/ev/pkg/es/event"
)
type Edge interface {
IsEdge()
}
type Connection struct {
Paging *PageInfo `json:"paging"`
Edges []Edge `json:"edges"`
}
type PostEvent struct {
ID string `json:"id"`
Payload string `json:"payload"`
Tags []string `json:"tags"`
Meta *event.Meta `json:"meta"`
}
func (PostEvent) IsEdge() {}
func (e *PostEvent) PayloadJSON(ctx context.Context) (m map[string]interface{}, err error) {
err = json.Unmarshal([]byte(e.Payload), &m)
return
}
type PageInfo struct {
Next bool `json:"next"`
Prev bool `json:"prev"`
Begin uint64 `json:"begin"`
End uint64 `json:"end"`
}
type PageInput struct {
After *int64 `json:"after"`
Before *int64 `json:"before"`
Count *int64 `json:"count"`
}
func (p *PageInput) GetIdx(v int64) int64 {
if p == nil {
// pass
} else if p.Before != nil {
return (*p.Before)
} else if p.After != nil {
return *p.After
}
return v
}
func (p *PageInput) GetCount(v int64) int64 {
if p == nil || p.Count == nil {
return v
} else if p.Before != nil {
return -(*p.Count)
} else if p.After != nil {
return *p.Count
}
return *p.Count
}