57 lines
1.5 KiB
Go
57 lines
1.5 KiB
Go
package form
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import (
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"fmt"
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"github.com/ulule/deepcopier"
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"github.com/photoprism/photoprism/pkg/rnd"
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)
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// Marker represents an image marker edit form.
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type Marker struct {
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FileUID string `json:"FileUID,omitempty"`
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MarkerType string `json:"Type,omitempty"`
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MarkerSrc string `json:"Src,omitempty"`
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X float32 `json:"X"`
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Y float32 `json:"Y"`
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W float32 `json:"W,omitempty"`
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H float32 `json:"H,omitempty"`
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SubjSrc string `json:"SubjSrc"`
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MarkerName string `json:"Name"`
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MarkerReview bool `json:"MarkerReview"`
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MarkerInvalid bool `json:"Invalid"`
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}
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// NewMarker creates a new form initialized with model values.
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func NewMarker(m interface{}) (f Marker, err error) {
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err = deepcopier.Copy(m).To(&f)
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return f, err
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}
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// Validate returns an error if any form values are invalid.
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func (frm *Marker) Validate() error {
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// Check type and src length.
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if len(frm.MarkerType) > 8 || len(frm.MarkerSrc) > 8 || len(frm.SubjSrc) > 8 {
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return fmt.Errorf("invalid type or src")
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}
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if len([]rune(frm.MarkerName)) > 160 {
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return fmt.Errorf("name is too long")
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}
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// Validate file UID.
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if frm.FileUID == "" {
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return fmt.Errorf("missing file uid")
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} else if rnd.InvalidUID(frm.FileUID, 'f') {
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return fmt.Errorf("invalid file uid")
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}
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// Check if the coordinates are within a valid range.
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if frm.X > 1 || frm.Y > 1 || frm.X < 0 || frm.Y < 0 || frm.W < 0 || frm.H < 0 || frm.W > 1 || frm.H > 1 {
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return fmt.Errorf("invalid area")
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}
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return nil
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}
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