Images section (#813)

* Add new configuration options
* Refactor scan/clean
* Schema changes
* Add details to galleries
* Remove redundant code
* Refine thumbnail generation
* Gallery overhaul
* Don't allow modifying zip gallery images
* Show gallery card overlays
* Hide zoom slider when not in grid mode

pkg/models/model_image.go

@@ -0,0 +1,44 @@
+package models
+
+import (
+	"database/sql"
+)
+
+// Image stores the metadata for a single image.
+type Image struct {
+	ID        int             `db:"id" json:"id"`
+	Checksum  string          `db:"checksum" json:"checksum"`
+	Path      string          `db:"path" json:"path"`
+	Title     sql.NullString  `db:"title" json:"title"`
+	Rating    sql.NullInt64   `db:"rating" json:"rating"`
+	OCounter  int             `db:"o_counter" json:"o_counter"`
+	Size      sql.NullInt64   `db:"size" json:"size"`
+	Width     sql.NullInt64   `db:"width" json:"width"`
+	Height    sql.NullInt64   `db:"height" json:"height"`
+	StudioID  sql.NullInt64   `db:"studio_id,omitempty" json:"studio_id"`
+	CreatedAt SQLiteTimestamp `db:"created_at" json:"created_at"`
+	UpdatedAt SQLiteTimestamp `db:"updated_at" json:"updated_at"`
+}
+
+// ImagePartial represents part of a Image object. It is used to update
+// the database entry. Only non-nil fields will be updated.
+type ImagePartial struct {
+	ID        int              `db:"id" json:"id"`
+	Checksum  *string          `db:"checksum" json:"checksum"`
+	Path      *string          `db:"path" json:"path"`
+	Title     *sql.NullString  `db:"title" json:"title"`
+	Rating    *sql.NullInt64   `db:"rating" json:"rating"`
+	Size      *sql.NullInt64   `db:"size" json:"size"`
+	Width     *sql.NullInt64   `db:"width" json:"width"`
+	Height    *sql.NullInt64   `db:"height" json:"height"`
+	StudioID  *sql.NullInt64   `db:"studio_id,omitempty" json:"studio_id"`
+	CreatedAt *SQLiteTimestamp `db:"created_at" json:"created_at"`
+	UpdatedAt *SQLiteTimestamp `db:"updated_at" json:"updated_at"`
+}
+
+// ImageFileType represents the file metadata for an image.
+type ImageFileType struct {
+	Size   *int `graphql:"size" json:"size"`
+	Width  *int `graphql:"width" json:"width"`
+	Height *int `graphql:"height" json:"height"`
+}