fix: fix server build

contract/model/data.ts

@@ -1,4 +1,5 @@
-import { Id } from 'model';
+import { Id } from './id';
+
 
 export class Data implements Id {    
     constructor(

contract/model/id.ts

@@ -0,0 +1,3 @@
+export interface Id {
+    _id: string;
+}

contract/model/image.ts

@@ -1,4 +1,4 @@
-import { Id } from 'model';
+import { Id } from './id';
 
 export class Image implements Id {    
     constructor(

contract/model/index.ts

@@ -1,8 +1,5 @@
-export interface Id {
-    _id: string;
-}
-
 export * from './data';
+export * from './id';
 export * from './line';
 export * from './image';
 export * from './note';

contract/model/line.ts

@@ -1,5 +1,6 @@
+import { Id } from './id';
 
-export class Line {    
+export class Line implements Id  {    
     constructor(
         public _id: string,
         public points: Array<[number, number]>,

contract/model/note.ts

@@ -1,4 +1,4 @@
-import { Id } from 'model';
+import { Id } from './id';
 
 export class Note implements Id {    
     constructor(

server/src/wall.services.ts

@@ -22,11 +22,11 @@ export class WallService {
     public async getWall(name: string): Promise<WallState> {
         const wall = await this.wallStore.getWall(name);
 
-        const lines = await this.lineStore.getLines(wall.lines);
+        const lines = await this.lineStore.getItems(wall.lines);
         lines.filter(async line => {
             if (line.points.length < 2 || !line.colour) {
                 await this.wallStore.removeLine(name, line._id);
-                await this.lineStore.deleteLine(line._id);
+                await this.lineStore.deleteItem(line._id);
                 return false;
             }
             return true;