Separate graphql API from rest of the system (#2503)

* Move graphql generated files to api
* Refactor identify options
* Remove models.StashBoxes
* Move ScraperSource to scraper package
* Rename field strategy enums
* Rename identify.TaskOptions to Options

pkg/models/generate.go

@@ -0,0 +1,91 @@
+package models
+
+import (
+	"fmt"
+	"io"
+	"strconv"
+)
+
+type GenerateMetadataOptions struct {
+	Sprites                   *bool                   `json:"sprites"`
+	Previews                  *bool                   `json:"previews"`
+	ImagePreviews             *bool                   `json:"imagePreviews"`
+	PreviewOptions            *GeneratePreviewOptions `json:"previewOptions"`
+	Markers                   *bool                   `json:"markers"`
+	MarkerImagePreviews       *bool                   `json:"markerImagePreviews"`
+	MarkerScreenshots         *bool                   `json:"markerScreenshots"`
+	Transcodes                *bool                   `json:"transcodes"`
+	Phashes                   *bool                   `json:"phashes"`
+	InteractiveHeatmapsSpeeds *bool                   `json:"interactiveHeatmapsSpeeds"`
+}
+
+type GeneratePreviewOptions struct {
+	// Number of segments in a preview file
+	PreviewSegments *int `json:"previewSegments"`
+	// Preview segment duration, in seconds
+	PreviewSegmentDuration *float64 `json:"previewSegmentDuration"`
+	// Duration of start of video to exclude when generating previews
+	PreviewExcludeStart *string `json:"previewExcludeStart"`
+	// Duration of end of video to exclude when generating previews
+	PreviewExcludeEnd *string `json:"previewExcludeEnd"`
+	// Preset when generating preview
+	PreviewPreset *PreviewPreset `json:"previewPreset"`
+}
+
+type PreviewPreset string
+
+const (
+	// X264_ULTRAFAST
+	PreviewPresetUltrafast PreviewPreset = "ultrafast"
+	// X264_VERYFAST
+	PreviewPresetVeryfast PreviewPreset = "veryfast"
+	// X264_FAST
+	PreviewPresetFast PreviewPreset = "fast"
+	// X264_MEDIUM
+	PreviewPresetMedium PreviewPreset = "medium"
+	// X264_SLOW
+	PreviewPresetSlow PreviewPreset = "slow"
+	// X264_SLOWER
+	PreviewPresetSlower PreviewPreset = "slower"
+	// X264_VERYSLOW
+	PreviewPresetVeryslow PreviewPreset = "veryslow"
+)
+
+var AllPreviewPreset = []PreviewPreset{
+	PreviewPresetUltrafast,
+	PreviewPresetVeryfast,
+	PreviewPresetFast,
+	PreviewPresetMedium,
+	PreviewPresetSlow,
+	PreviewPresetSlower,
+	PreviewPresetVeryslow,
+}
+
+func (e PreviewPreset) IsValid() bool {
+	switch e {
+	case PreviewPresetUltrafast, PreviewPresetVeryfast, PreviewPresetFast, PreviewPresetMedium, PreviewPresetSlow, PreviewPresetSlower, PreviewPresetVeryslow:
+		return true
+	}
+	return false
+}
+
+func (e PreviewPreset) String() string {
+	return string(e)
+}
+
+func (e *PreviewPreset) UnmarshalGQL(v interface{}) error {
+	str, ok := v.(string)
+	if !ok {
+		return fmt.Errorf("enums must be strings")
+	}
+
+	*e = PreviewPreset(str)
+	if !e.IsValid() {
+		return fmt.Errorf("%s is not a valid PreviewPreset", str)
+	}
+	return nil
+}
+
+func (e PreviewPreset) MarshalGQL(w io.Writer) {
+	fmt.Fprint(w, strconv.Quote(e.String()))
+}