Unlucky Launcher v0.2.3

crates/presenter/src/dto/settings.rs

@@ -0,0 +1,220 @@
+//! 设置页 DTO：设置分组的通用行模型。
+//!
+//! 「行」是 UI 与 `core::setting` schema 之间的唯一形状：一行 = 一个键 + 一种控件 +
+//! 当前值。写回走 [`crate::dto::AppCommand::SetSetting`]，由 host 用 `SettingStore::set`
+//! 落盘（不自己拼 JSON、不另立配置文件，`AGENTS §6`）。
+
+use serde::{Deserialize, Serialize};
+
+/// 控件类型（决定设置页画什么）。
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
+pub enum SettingControl {
+    /// 开关
+    Toggle,
+    /// 分段单选（`options` + `selected`）
+    Choice,
+    /// 单行文本（`value_text`）
+    Text,
+    /// 只读展示（当前路径/当前版本这类）
+    ReadOnly,
+    /// 动作按钮（`action` 给回调 id）
+    Action,
+}
+
+/// 一行设置。
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub struct SettingRowView {
+    /// schema 键（`download.concurrency`）
+    pub key: String,
+    /// 行标题
+    pub label: String,
+    /// 说明/当前值附注
+    pub description: String,
+    /// 控件
+    pub control: SettingControl,
+    /// 开关值
+    pub flag: bool,
+    /// 单选序号
+    pub selected: i32,
+    /// 单选项文案
+    pub options: Vec<String>,
+    /// 文本值
+    pub value_text: String,
+    /// 动作 id（`detect_region` 这类）
+    pub action: String,
+}
+
+impl SettingRowView {
+    /// 开关行。
+    pub fn toggle(key: &str, label: &str, description: &str, value: bool) -> Self {
+        Self {
+            key: key.to_string(),
+            label: label.to_string(),
+            description: description.to_string(),
+            control: SettingControl::Toggle,
+            flag: value,
+            selected: 0,
+            options: Vec::new(),
+            value_text: String::new(),
+            action: String::new(),
+        }
+    }
+
+    /// 单选行。
+    pub fn choice(
+        key: &str,
+        label: &str,
+        description: &str,
+        options: &[&str],
+        selected: i32,
+    ) -> Self {
+        Self {
+            key: key.to_string(),
+            label: label.to_string(),
+            description: description.to_string(),
+            control: SettingControl::Choice,
+            flag: false,
+            selected,
+            options: options.iter().map(|item| (*item).to_string()).collect(),
+            value_text: String::new(),
+            action: String::new(),
+        }
+    }
+
+    /// 文本行。
+    pub fn text(key: &str, label: &str, description: &str, value: &str) -> Self {
+        Self {
+            key: key.to_string(),
+            label: label.to_string(),
+            description: description.to_string(),
+            control: SettingControl::Text,
+            flag: false,
+            selected: 0,
+            options: Vec::new(),
+            value_text: value.to_string(),
+            action: String::new(),
+        }
+    }
+
+    /// 只读行。
+    pub fn read_only(label: &str, value: &str) -> Self {
+        Self {
+            key: String::new(),
+            label: label.to_string(),
+            description: value.to_string(),
+            control: SettingControl::ReadOnly,
+            flag: false,
+            selected: 0,
+            options: Vec::new(),
+            value_text: value.to_string(),
+            action: String::new(),
+        }
+    }
+
+    /// 动作行。
+    pub fn action(key: &str, label: &str, description: &str, action: &str) -> Self {
+        Self {
+            key: key.to_string(),
+            label: label.to_string(),
+            description: description.to_string(),
+            control: SettingControl::Action,
+            flag: false,
+            selected: 0,
+            options: Vec::new(),
+            value_text: String::new(),
+            action: action.to_string(),
+        }
+    }
+}
+
+/// 一个设置分组（设置页右栏的一段）。
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub struct SettingGroupView {
+    /// 分组 id（与设置页子导航的 `SettingSection` 同名：download / java / data / ai / mcp）
+    pub id: String,
+    /// 分组标题
+    pub title: String,
+    /// 行
+    pub rows: Vec<SettingRowView>,
+}
+
+impl SettingGroupView {
+    /// 建组。
+    pub fn new(id: &str, title: &str) -> Self {
+        Self {
+            id: id.to_string(),
+            title: title.to_string(),
+            rows: Vec::new(),
+        }
+    }
+
+    /// 追加一行（链式）。
+    pub fn with(mut self, row: SettingRowView) -> Self {
+        self.rows.push(row);
+        self
+    }
+}
+
+/// 在分组快照里找一个键的当前值（设置页回填用）。
+pub fn find_row<'a>(groups: &'a [SettingGroupView], key: &str) -> Option<&'a SettingRowView> {
+    groups
+        .iter()
+        .flat_map(|group| group.rows.iter())
+        .find(|row| row.key == key)
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn rows_carry_exactly_one_control_kind() {
+        let toggle = SettingRowView::toggle("agent.mcp.enabled", "MCP", "", true);
+        assert_eq!(toggle.control, SettingControl::Toggle);
+        assert!(toggle.flag);
+
+        let choice = SettingRowView::choice("download.region", "地区", "", &["auto", "cn"], 1);
+        assert_eq!(choice.options, vec!["auto", "cn"]);
+        assert_eq!(choice.selected, 1);
+
+        let action = SettingRowView::action("java.action", "检测", "", "detect_region");
+        assert_eq!(action.action, "detect_region");
+    }
+
+    #[test]
+    fn find_row_scans_all_groups() {
+        let groups = vec![
+            SettingGroupView::new("download", "下载").with(SettingRowView::text(
+                "download.proxy_url",
+                "代理",
+                "",
+                "",
+            )),
+            SettingGroupView::new("mcp", "MCP").with(SettingRowView::toggle(
+                "agent.mcp.enabled",
+                "开关",
+                "",
+                false,
+            )),
+        ];
+        assert_eq!(
+            find_row(&groups, "agent.mcp.enabled").map(|row| row.label.as_str()),
+            Some("开关")
+        );
+        assert!(find_row(&groups, "nope").is_none());
+    }
+
+    #[test]
+    fn rows_are_serde_round_trip_safe() {
+        let group = SettingGroupView::new("download", "下载").with(SettingRowView::choice(
+            "download.concurrency",
+            "并发",
+            "",
+            &["4", "8", "16"],
+            1,
+        ));
+        let text = serde_json::to_string(&group).expect("序列化");
+        let back: SettingGroupView = serde_json::from_str(&text).expect("反序列化");
+        assert_eq!(back, group);
+    }
+}