Add a struct for search filters

src/invidious/search/filters.cr

@@ -0,0 +1,79 @@
+module Invidious::Search
+  struct Filters
+    # Values correspond to { "2:embedded": { "1:varint": <X> }}
+    # except for "None" which is only used by us (= nothing selected)
+    enum Date
+      None  = 0
+      Hour  = 1
+      Today = 2
+      Week  = 3
+      Month = 4
+      Year  = 5
+    end
+
+    # Values correspond to { "2:embedded": { "2:varint": <X> }}
+    # except for "All" which is only used by us (= nothing selected)
+    enum Type
+      All      = 0
+      Video    = 1
+      Channel  = 2
+      Playlist = 3
+      Movie    = 4
+
+      # Has it been removed?
+      # (Not available on youtube's UI)
+      Show = 5
+    end
+
+    # Values correspond to { "2:embedded": { "3:varint": <X> }}
+    # except for "None" which is only used by us (= nothing selected)
+    enum Duration
+      None   = 0
+      Short  = 1 # "Under 4 minutes"
+      Long   = 2 # "Over 20 minutes"
+      Medium = 3 # "4 - 20 minutes"
+    end
+
+    # Note: flag enums automatically generate
+    # "none" and "all" members
+    @[Flags]
+    enum Features
+      Live
+      FourK # "4K"
+      HD
+      Subtitles  # "Subtitles/CC"
+      CCommons   # "Creative Commons"
+      ThreeSixty # "360°"
+      VR180
+      ThreeD # "3D"
+      HDR
+      Location
+      Purchased
+    end
+
+    # Values correspond to { "1:varint": <X> }
+    enum Sort
+      Relevance = 0
+      Rating    = 1
+      Date      = 2
+      Views     = 3
+    end
+
+    # Parameters are sorted as on Youtube
+    property date : Date
+    property type : Type
+    property duration : Duration
+    property features : Features
+    property sort : Sort
+
+    def initialize(
+      *, # All parameters must be named
+      @date : Date = Date::None,
+      @type : Type = Type::All,
+      @duration : Duration = Duration::None,
+      @features : Features = Features::None,
+      @sort : Sort = Sort::Relevance
+    )
+    end
+  end
+end