Add BackgroundFill enum

crates/teloxide-core/src/types.rs

@@ -3,6 +3,7 @@
 pub use allowed_update::*;
 pub use animation::*;
 pub use audio::*;
+pub use background_fill::*;
 pub use birthdate::*;
 pub use bot_command::*;
 pub use bot_command_scope::*;
@@ -168,6 +169,7 @@ pub use write_access_allowed::*;
 mod allowed_update;
 mod animation;
 mod audio;
+mod background_fill;
 mod birthdate;
 mod bot_command;
 mod bot_command_scope;

crates/teloxide-core/src/types/background_fill.rs

@@ -0,0 +1,52 @@
+use serde::{Deserialize, Serialize};
+
+use crate::types::Rgb;
+
+/// This object describes the way a background is filled based on the selected
+/// colors.
+#[derive(Clone, Debug)]
+#[derive(PartialEq, Eq, PartialOrd, Ord, Hash)]
+#[derive(Serialize, Deserialize)]
+#[serde(rename_all = "snake_case")]
+#[serde(tag = "type")]
+pub enum BackgroundFill {
+    Solid(BackgroundFillSolid),
+    Gradient(BackgroundFillGradient),
+    FreeformGradient(BackgroundFillFreeformGradient),
+}
+
+/// The background is filled using the selected color.
+#[derive(Clone, Debug)]
+#[derive(PartialEq, Eq, PartialOrd, Ord, Hash)]
+#[derive(Serialize, Deserialize)]
+pub struct BackgroundFillSolid {
+    /// The color of the background fill in the RGB24 format
+    pub color: Rgb,
+}
+
+/// The background is a gradient fill.
+#[derive(Clone, Debug)]
+#[derive(PartialEq, Eq, PartialOrd, Ord, Hash)]
+#[derive(Serialize, Deserialize)]
+pub struct BackgroundFillGradient {
+    /// Top color of the gradient in the RGB24 format
+    pub top_color: Rgb,
+
+    /// Bottom color of the gradient in the RGB24 format
+    pub bottom_color: Rgb,
+
+    /// Clockwise rotation angle of the background fill in degrees; 0-359
+    // FIXME: use/add a specialized rotation type?
+    pub rotation_angle: u16,
+}
+
+/// The background is a freeform gradient that rotates after every message in
+/// the chat.
+#[derive(Clone, Debug)]
+#[derive(PartialEq, Eq, PartialOrd, Ord, Hash)]
+#[derive(Serialize, Deserialize)]
+pub struct BackgroundFillFreeformGradient {
+    /// A list of the 3 or 4 base colors that are used to generate the freeform
+    /// gradient in the RGB24 format
+    pub colors: Vec<Rgb>,
+}