推进 server-rs DDD 分层与新接口接线
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188
server-rs/crates/module-runtime-story/src/projection.rs
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188
server-rs/crates/module-runtime-story/src/projection.rs
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use serde_json::{Value, to_value};
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use shared_contracts::{
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runtime_story::RuntimeStoryOptionView,
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story::{
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StoryEventPayload, StoryRuntimeActorProjection, StoryRuntimeInventoryProjection,
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StoryRuntimeOptionProjection, StoryRuntimeProjectionResponse, StoryRuntimeStatusProjection,
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StorySessionPayload,
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},
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};
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use crate::{
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current_encounter_id, read_bool_field, read_i32_field, read_optional_string_field,
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view_model::build_runtime_story_inventory,
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};
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pub struct StoryRuntimeProjectionSource {
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pub story_session: StorySessionPayload,
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pub story_events: Vec<StoryEventPayload>,
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pub game_state: Value,
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pub options: Vec<RuntimeStoryOptionView>,
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pub server_version: u32,
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pub current_narrative_text: Option<String>,
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pub action_result_text: Option<String>,
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pub toast: Option<String>,
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}
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/// 将领域快照折成前端可直接消费的新 story runtime 投影。
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pub fn build_story_runtime_projection(
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source: StoryRuntimeProjectionSource,
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) -> StoryRuntimeProjectionResponse {
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let inventory = build_runtime_story_inventory(&source.game_state);
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StoryRuntimeProjectionResponse {
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story_session: source.story_session,
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story_events: source.story_events,
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server_version: source.server_version,
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actor: StoryRuntimeActorProjection {
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hp: read_i32_field(&source.game_state, "playerHp").unwrap_or(0),
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max_hp: read_i32_field(&source.game_state, "playerMaxHp").unwrap_or(1),
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mana: read_i32_field(&source.game_state, "playerMana").unwrap_or(0),
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max_mana: read_i32_field(&source.game_state, "playerMaxMana").unwrap_or(1),
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currency: inventory.player_currency,
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currency_text: inventory.currency_text.clone(),
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},
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inventory: StoryRuntimeInventoryProjection {
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backpack_items: inventory
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.backpack_items
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.into_iter()
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.map(|item| to_value(item).expect("runtime inventory item should serialize"))
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.collect(),
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equipment_slots: inventory
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.equipment_slots
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.into_iter()
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.map(|slot| to_value(slot).expect("runtime equipment slot should serialize"))
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.collect(),
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forge_recipes: inventory
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.forge_recipes
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.into_iter()
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.map(|recipe| to_value(recipe).expect("runtime forge recipe should serialize"))
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.collect(),
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},
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options: source
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.options
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.into_iter()
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.map(build_story_runtime_option_projection)
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.collect(),
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status: StoryRuntimeStatusProjection {
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in_battle: read_bool_field(&source.game_state, "inBattle").unwrap_or(false),
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npc_interaction_active: read_bool_field(&source.game_state, "npcInteractionActive")
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.unwrap_or(false),
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current_encounter_id: current_encounter_id(&source.game_state),
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current_npc_battle_mode: read_optional_string_field(
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&source.game_state,
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"currentNpcBattleMode",
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),
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current_npc_battle_outcome: read_optional_string_field(
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&source.game_state,
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"currentNpcBattleOutcome",
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),
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},
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current_narrative_text: source.current_narrative_text,
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action_result_text: source.action_result_text,
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toast: source.toast,
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}
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}
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fn build_story_runtime_option_projection(
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option: RuntimeStoryOptionView,
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) -> StoryRuntimeOptionProjection {
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let disabled = option.disabled.unwrap_or(false);
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StoryRuntimeOptionProjection {
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function_id: option.function_id,
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action_text: option.action_text,
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detail_text: option.detail_text,
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scope: option.scope,
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payload: option.payload,
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enabled: !disabled,
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reason: option.reason,
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}
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}
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#[cfg(test)]
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mod tests {
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use serde_json::json;
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use super::*;
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fn story_session() -> StorySessionPayload {
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StorySessionPayload {
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story_session_id: "storysess_1".to_string(),
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runtime_session_id: "runtime_1".to_string(),
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actor_user_id: "user_1".to_string(),
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world_profile_id: "profile_1".to_string(),
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initial_prompt: "进入营地".to_string(),
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opening_summary: Some("营地开场".to_string()),
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latest_narrative_text: "篝火仍然亮着。".to_string(),
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latest_choice_function_id: Some("npc_chat".to_string()),
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status: "active".to_string(),
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version: 3,
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created_at: "1.000000Z".to_string(),
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updated_at: "3.000000Z".to_string(),
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}
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}
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#[test]
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fn projection_builds_frontend_ready_story_runtime_shape() {
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let projection = build_story_runtime_projection(StoryRuntimeProjectionSource {
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story_session: story_session(),
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story_events: vec![StoryEventPayload {
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event_id: "storyevt_1".to_string(),
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story_session_id: "storysess_1".to_string(),
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event_kind: "story_continued".to_string(),
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narrative_text: "篝火仍然亮着。".to_string(),
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choice_function_id: Some("npc_chat".to_string()),
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created_at: "3.000000Z".to_string(),
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}],
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game_state: json!({
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"worldType": "WUXIA",
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"playerCharacter": { "id": "hero-1", "name": "沈砺" },
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"playerHp": 28,
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"playerMaxHp": 40,
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"playerMana": 12,
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"playerMaxMana": 20,
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"playerCurrency": 80,
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"playerInventory": [{
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"id": "potion-1",
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"category": "消耗品",
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"name": "疗伤药",
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"quantity": 2,
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"rarity": "common",
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"tags": ["healing"]
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}],
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"playerEquipment": { "weapon": null, "armor": null, "relic": null },
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"currentEncounter": { "id": "npc_firekeeper", "npcName": "守火人" },
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"inBattle": false,
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"npcInteractionActive": true
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}),
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options: vec![RuntimeStoryOptionView {
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function_id: "npc_chat".to_string(),
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action_text: "继续交谈".to_string(),
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detail_text: Some("围绕当前话题继续推进关系判断。".to_string()),
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scope: "npc".to_string(),
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interaction: None,
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payload: Some(json!({ "npcId": "npc_firekeeper" })),
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disabled: None,
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reason: None,
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}],
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server_version: 3,
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current_narrative_text: Some("守火人示意你继续说。".to_string()),
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action_result_text: None,
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toast: Some("关系有所变化。".to_string()),
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});
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assert_eq!(projection.story_session.story_session_id, "storysess_1");
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assert_eq!(projection.actor.hp, 28);
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assert_eq!(projection.actor.currency_text, "80 铜钱");
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assert_eq!(projection.inventory.backpack_items.len(), 1);
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assert_eq!(projection.options[0].function_id, "npc_chat");
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assert!(projection.options[0].enabled);
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assert_eq!(
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projection.status.current_encounter_id.as_deref(),
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Some("npc_firekeeper")
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);
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assert_eq!(projection.toast.as_deref(), Some("关系有所变化。"));
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}
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}
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