cleaning bunch of models, services, and routes for new line stuff

packages/core/models/line.model.ts

@@ -0,0 +1,37 @@
+import { ObjectId } from "mongodb";
+
+export class Line {
+  constructor(
+    public _id?: ObjectId,
+    public createdDate: Date = new Date(),
+    public lastUpdatedDate: Date = new Date(),
+    public name?: string
+  ) {}
+}
+
+export class LineMember {
+  // the last time that the user visited the line
+  // for new activity monitoring
+  lastVisitDate?: Date;
+
+  constructor(
+    // unique constraint
+    public lineId: ObjectId,
+    public userId: ObjectId,
+
+    public state: LineMemberState = LineMemberState.INBOX,
+
+    public createdDate: Date = new Date(),
+    public _id?: ObjectId
+  ) {}
+}
+
+export enum LineMemberState {
+  // these states will be for later when we want an inbox and such
+  // INVITED = "INVITED", // user gets this in their request inbox
+
+  // ARCHIVED = "ARCHIVED", // user no longer wants anything to do with convo
+
+  INBOX = "INBOX", // user decided to join this conversation after being invited...for now things just land in inbox anyway
+  TUNED = "TUNED", // user upgraded priority of this and now is toggle tuned in live to convo
+}