剧情弹幕：添加接口

shared/db/ScriptBarrage.ts

@@ -0,0 +1,40 @@
+import BaseModel from './BaseModel';
+import { index, getModelForClass, prop, DocumentType } from '@typegoose/typegoose';
+import { genCode } from '../pubUtils/util';
+
+/**
+  * 派遣任务记录表
+  */
+@index({ roleId: 1, type: 1 })
+
+export default class ScriptBarrage extends BaseModel {
+  @prop({ required: true })
+  code: string;					  // 弹幕唯一标识
+  @prop({ required: true })
+  roleId: string;					// 角色 id
+  @prop({ required: true })
+  warId: number;          // 关卡id
+  @prop({ required: true })
+  rid: string;            // 剧本id
+  @prop({ required: true })
+  index: string;          // 对话索引
+  @prop({ required: true })
+  content: string;        // 弹幕内容
+
+
+  public static async createBarrage(roleId: string, warId: number, rid: string, index: string, content: string) {
+    const code = genCode(10);
+    let result: ScriptBarrageType = await ScriptBarrageModel.findOneAndUpdate({ code }, { $setOnInsert: { roleId, warId, rid, index, content } }, { new: true, upsert: true }).lean();
+    return result;
+  }
+
+  public static async getBarrageList(rid: string, limit: number) {
+    let result: ScriptBarrageType[] = await ScriptBarrageModel.find({ rid }, { _id: 0 }).limit(limit).sort({ index: 1, createdAt: -1 }).lean();
+    return result;
+  }
+  
+}
+
+export const ScriptBarrageModel = getModelForClass(ScriptBarrage);
+
+export interface ScriptBarrageType extends Pick<DocumentType<ScriptBarrage>, keyof ScriptBarrage>{};