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field_geo_point.go
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153 lines (123 loc) · 4.46 KB
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package core
import (
"context"
validation "github.com/go-ozzo/ozzo-validation/v4"
"github.com/pocketbase/pocketbase/core/validators"
"github.com/pocketbase/pocketbase/tools/types"
)
func init() {
Fields[FieldTypeGeoPoint] = func() Field {
return &GeoPointField{}
}
}
const FieldTypeGeoPoint = "geoPoint"
var (
_ Field = (*GeoPointField)(nil)
)
// GeoPointField defines "geoPoint" type field for storing latitude and longitude GPS coordinates.
//
// You can set the record field value as [types.GeoPoint], map or serialized json object with lat-lon props.
// The stored value is always converted to [types.GeoPoint].
// Nil, empty map, empty bytes slice, etc. results in zero [types.GeoPoint].
//
// Examples of updating a record's GeoPointField value programmatically:
//
// record.Set("location", types.GeoPoint{Lat: 123, Lon: 456})
// record.Set("location", map[string]any{"lat":123, "lon":456})
// record.Set("location", []byte(`{"lat":123, "lon":456}`)
type GeoPointField struct {
// Name (required) is the unique name of the field.
Name string `form:"name" json:"name"`
// Id is the unique stable field identifier.
//
// It is automatically generated from the name when adding to a collection FieldsList.
Id string `form:"id" json:"id"`
// System prevents the renaming and removal of the field.
System bool `form:"system" json:"system"`
// Hidden hides the field from the API response.
Hidden bool `form:"hidden" json:"hidden"`
// ---
// Presentable hints the Dashboard UI to use the underlying
// field record value in the relation preview label.
Presentable bool `form:"presentable" json:"presentable"`
// Help is an extra text explaining what the field is about.
// It is usually shown in Dashboard UI under the field input.
Help string `form:"help" json:"help"`
// Required will require the field coordinates to be non-zero (aka. not "Null Island").
Required bool `form:"required" json:"required"`
}
// Type implements [Field.Type] interface method.
func (f *GeoPointField) Type() string {
return FieldTypeGeoPoint
}
// GetId implements [Field.GetId] interface method.
func (f *GeoPointField) GetId() string {
return f.Id
}
// SetId implements [Field.SetId] interface method.
func (f *GeoPointField) SetId(id string) {
f.Id = id
}
// GetName implements [Field.GetName] interface method.
func (f *GeoPointField) GetName() string {
return f.Name
}
// SetName implements [Field.SetName] interface method.
func (f *GeoPointField) SetName(name string) {
f.Name = name
}
// GetSystem implements [Field.GetSystem] interface method.
func (f *GeoPointField) GetSystem() bool {
return f.System
}
// SetSystem implements [Field.SetSystem] interface method.
func (f *GeoPointField) SetSystem(system bool) {
f.System = system
}
// GetHidden implements [Field.GetHidden] interface method.
func (f *GeoPointField) GetHidden() bool {
return f.Hidden
}
// SetHidden implements [Field.SetHidden] interface method.
func (f *GeoPointField) SetHidden(hidden bool) {
f.Hidden = hidden
}
// ColumnType implements [Field.ColumnType] interface method.
func (f *GeoPointField) ColumnType(app App) string {
return `JSON DEFAULT '{"lon":0,"lat":0}' NOT NULL`
}
// PrepareValue implements [Field.PrepareValue] interface method.
func (f *GeoPointField) PrepareValue(record *Record, raw any) (any, error) {
point := types.GeoPoint{}
err := point.Scan(raw)
return point, err
}
// ValidateValue implements [Field.ValidateValue] interface method.
func (f *GeoPointField) ValidateValue(ctx context.Context, app App, record *Record) error {
val, ok := record.GetRaw(f.Name).(types.GeoPoint)
if !ok {
return validators.ErrUnsupportedValueType
}
// zero value
if val.Lat == 0 && val.Lon == 0 {
if f.Required {
return validation.ErrRequired
}
return nil
}
if val.Lat < -90 || val.Lat > 90 {
return validation.NewError("validation_invalid_latitude", "Latitude must be between -90 and 90 degrees.")
}
if val.Lon < -180 || val.Lon > 180 {
return validation.NewError("validation_invalid_longitude", "Longitude must be between -180 and 180 degrees.")
}
return nil
}
// ValidateSettings implements [Field.ValidateSettings] interface method.
func (f *GeoPointField) ValidateSettings(ctx context.Context, app App, collection *Collection) error {
return validation.ValidateStruct(f,
validation.Field(&f.Id, validation.By(DefaultFieldIdValidationRule)),
validation.Field(&f.Name, validation.By(DefaultFieldNameValidationRule)),
validation.Field(&f.Help, validation.By(DefaultFieldHelpValidationRule)),
)
}