剧情弹幕：添加接口

game-server/app/servers/role/handler/barrageHandler.ts

@@ -0,0 +1,50 @@
+import { Application, BackendSession } from "pinus";
+import { ScriptBarrageModel } from "../../../db/ScriptBarrage";
+import { BarrageReturn } from '../../../domain/roleField/barrage';
+import { resResult, getRandEelm } from "../../../pubUtils/util";
+import { STATUS } from "../../../consts";
+
+export default function(app: Application) {
+    return new BarrageHandler(app);
+}
+
+export class BarrageHandler {
+    constructor(private app: Application) {
+    }
+
+    public async sendBarrage(msg: { warId: number, rid: string, index: string, content: string }, session: BackendSession) {
+        const roleId: string = session.get('roleId');
+        const { warId, rid, index, content } = msg;
+        const result = await ScriptBarrageModel.createBarrage(roleId, warId, rid, index, content);
+        let barrageList: BarrageReturn[] = [];
+        let bs = new BarrageReturn(result);
+        barrageList.push(bs);
+        return resResult(STATUS.SUCCESS, { barrageList });
+    }
+
+    public async getBarrageList(msg: {rid: string}, session: BackendSession) {
+        // const roleId: string = session.get('roleId');
+        const { rid } = msg;
+        const result = await ScriptBarrageModel.getBarrageList(rid, 1000);
+        const perMax = 10, max = 50; // 每个对话最大数量，每个剧本最大数量
+        let map = new Map<string, BarrageReturn[]>(); // index => BarrageReturn[]
+        for(let barrage of result) {
+            let { index } = barrage;
+            if(!map.has(index)) {
+                map.set(index, []);
+            }
+            map.get(index).push(new BarrageReturn(barrage));
+        }
+        let ratio = result.length > max? max/result.length: 1;
+
+        let barrageList: BarrageReturn[] = [];
+        for(let [_, barrages] of map) {
+            let count = Math.ceil(barrages.length * ratio);
+            if(count > perMax) count = perMax;
+            
+            let curBarrages = getRandEelm(barrages, count);
+            barrageList = barrageList.concat(curBarrages);
+        }
+        return resResult(STATUS.SUCCESS, { barrageList });
+    }
+}