define model structure

ebisbe · Jul 6, 2024 · 6d74723 · 6d74723
1 parent 5998ee6
commit 6d74723
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Showing 4 changed files with 87 additions and 16 deletions.
diff --git a/models/table.ts b/models/table.ts
@@ -3,38 +3,60 @@ import { Entity, Table } from "dynamodb-onetable";
 import { DynamoDBClient } from "@aws-sdk/client-dynamodb";
 const client = new DynamoDBClient();
 
+const { ddb_table } = process.env;
+
 const MySchema = {
   version: "0.0.1",
   indexes: {
     primary: { hash: "pk", sort: "sk" },
   },
+  params: {
+    typeField: "__typename",
+    isoDates: true,
+    separator: "#",
+    timestamps: true,
+  },
   models: {
-    list: {
-      pk: { type: String, value: "account#${name}" },
-      name: { type: String },
+    List: {
+      pk: { type: String, value: "USER#${userId}" },
+      sk: { type: String, value: "LIST#${id}" },
+      id: { type: String, generate: "ulid" },
+      userId: { type: String, required: true },
+      name: { type: String, required: true },
+      description: { type: String },
+      totalValue: { type: Number, default: 0 },
+      totalItems: { type: Number, default: 0 },
     },
-    item: {
-      pk: { type: String },
-      sk: { type: String },
+    Item: {
+      pk: { type: String, value: "LIST#${listId}" },
+      sk: { type: String, value: "ITEM#${id}" },
+      listId: { type: String },
+      id: { type: String, generate: "ulid" },
+      name: { type: String },
+      description: { type: String },
+      value: { type: Number, default: 0 },
     },
-    buyer: {
-      pk: { type: String },
-      sk: { type: String },
+    Buyer: {
+      pk: { type: String, value: "ITEM#${itemId}" },
+      sk: { type: String, value: "BUYER#${userId}" },
+      userId: { type: String, required: true },
+      name: { type: String, required: true },
+      itemId: { type: String, required: true },
     },
   } as const,
 };
 
 const table = new Table({
   client: client,
-  name: "MyTable",
+  name: ddb_table,
   schema: MySchema,
 });
 
-export type List = Entity<typeof MySchema.models.list>;
-export const List = table.getModel("list");
+export type List = Entity<typeof MySchema.models.List>;
+export const List = table.getModel("List");
 
-export type Item = Entity<typeof MySchema.models.item>;
-export const Item = table.getModel("item");
+export type Item = Entity<typeof MySchema.models.Item>;
+export const Item = table.getModel("Item");
 
-export type Buyer = Entity<typeof MySchema.models.buyer>;
-export const Buyer = table.getModel("buyer");
+export type Buyer = Entity<typeof MySchema.models.Buyer>;
+export const Buyer = table.getModel("Buyer");
diff --git a/package.json b/package.json
@@ -17,6 +17,7 @@
   },
   "devDependencies": {
     "@eslint/js": "^9.6.0",
+    "@types/node": "^20.14.10",
     "eslint": "9.x",
     "globals": "^15.8.0",
     "prettier": "3.3.2",

diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
diff --git a/serverless.ts b/serverless.ts
@@ -20,6 +20,9 @@ const serverlessConfig: Serverless = {
   functions: {
     hello: {
       handler: "functions/handler.hello",
+      environment: {
+        ddb_table: { Ref: "DdbTable" },
+      },
       events: [
         {
           httpApi: {
@@ -30,6 +33,36 @@ const serverlessConfig: Serverless = {
       ],
     },
   },
+
+  resources: {
+    Resources: {
+      DdbTable: {
+        Type: "AWS::DynamoDB::Table",
+        Properties: {
+          AttributeDefinitions: [
+            {
+              AttributeName: "pk",
+              AttributeType: "S",
+            },
+            {
+              AttributeName: "sk",
+              AttributeType: "S",
+            },
+          ],
+          KeySchema: [
+            {
+              AttributeName: "pk",
+              KeyType: "HASH",
+            },
+            {
+              AttributeName: "sk",
+              KeyType: "RANGE",
+            },
+          ],
+        },
+      },
+    },
+  },
 };
 
 export default serverlessConfig;