feat(dialog): add plugin (#306)

plugins/dialog/src/models.rs

@@ -0,0 +1,51 @@
+// Copyright 2019-2023 Tauri Programme within The Commons Conservancy
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: MIT
+
+use serde::{Deserialize, Deserializer, Serialize, Serializer};
+
+/// Types of message, ask and confirm dialogs.
+#[non_exhaustive]
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+pub enum MessageDialogKind {
+    /// Information dialog.
+    Info,
+    /// Warning dialog.
+    Warning,
+    /// Error dialog.
+    Error,
+}
+
+impl Default for MessageDialogKind {
+    fn default() -> Self {
+        Self::Info
+    }
+}
+
+impl<'de> Deserialize<'de> for MessageDialogKind {
+    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+    where
+        D: Deserializer<'de>,
+    {
+        let s = String::deserialize(deserializer)?;
+        Ok(match s.to_lowercase().as_str() {
+            "info" => MessageDialogKind::Info,
+            "warning" => MessageDialogKind::Warning,
+            "error" => MessageDialogKind::Error,
+            _ => MessageDialogKind::Info,
+        })
+    }
+}
+
+impl Serialize for MessageDialogKind {
+    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
+    where
+        S: Serializer,
+    {
+        match self {
+            Self::Info => serializer.serialize_str("info"),
+            Self::Warning => serializer.serialize_str("warning"),
+            Self::Error => serializer.serialize_str("error"),
+        }
+    }
+}