feat(fastify): implemets FastifyInterceptorService for OgmaInterceptor

Pretty much just like the ExpressInterceptorService, but for Fastify.

packages/platform-fastify/README.md

@@ -1,11 +1,22 @@
 # `@ogma/platform-fastify`
 
-> TODO: description
+The `FastifyInterceptorService` parser for the `OgmaInterceptor`. This plugin class parses Fastify request and response object to be able to successfully log the data about the request. For more information, check out [the @ogma/nestjs-module](packages/nestjs-module/README.md) documentation.
+
+## Installation
+
+Nothing special, standard `npm i @ogma/platform-fastify` or `yarn add @ogma/platform-fastify`
 
 ## Usage
 
-```
-const platformFastify = require('@ogma/platform-fastify');
+This plugin is to be used in the `OgmaInterceptorOptions` portion of the `OgmaModule` during `forRoot` or `forRootAsync` registration. It can be used like so:
 
-// TODO: DEMONSTRATE API
+```ts
+@Module(
+  OgmaModule.forRoot({
+    interceptor: {
+      http: FastifyInterceptorService
+    }
+  })
+)
+export class AppModule {}
 ```

packages/platform-fastify/package.json

@@ -26,17 +26,21 @@
     "url": "git+https://github.com/jmcdo29/nestjs-ogma.git"
   },
   "scripts": {
-    "build": "tsc -b tsconfig.build.json"
+    "build": "tsc -b tsconfig.build.json",
+    "test": "jest",
+    "test:cov": "jest --coverage"
   },
   "bugs": {
     "url": "https://github.com/jmcdo29/nestjs-ogma/issues"
   },
   "devDependencies": {
     "@nestjs/platform-fastify": "7.0.6",
     "@ogma/nestjs-module": "^0.1.0",
+    "fastify": "^2.13.0",
     "rxjs": "^6.5.4"
   },
   "peerDependencies": {
+    "@nestjs/platform-fastify": "7.0.6",
     "@ogma/nestjs-module": "^0.1.0",
     "fastify": "^2.13.0"
   }

packages/platform-fastify/src/fastify-interceptor.service.ts

@@ -1,14 +1,14 @@
 import { Injectable, ExecutionContext, HttpException } from '@nestjs/common';
+import { HTTP_CODE_METADATA } from '@nestjs/common/constants';
 import { AbstractInterceptorService } from '@ogma/nestjs-module';
 import { FastifyRequest, FastifyReply } from 'fastify';
-import { HTTP_CODE_METADATA } from '@nestjs/common/constants';
 import { ServerResponse } from 'http';
 
 @Injectable()
 export class FastifyInterceptorService extends AbstractInterceptorService {
   getCallerIp(context: ExecutionContext): string[] | string {
     const req = this.getRequest(context);
-    return req.ips.length ? req.ips : req.ip;
+    return req.ips && req.ips.length ? req.ips : req.ip;
   }
 
   getCallPoint(context: ExecutionContext): string {
@@ -33,7 +33,7 @@ export class FastifyInterceptorService extends AbstractInterceptorService {
   ): string {
     let status;
     const res = this.getResponse(context);
-    status = res.status;
+    status = res.res.statusCode;
     const reflectStatus = this.reflector.get<number>(
       HTTP_CODE_METADATA,
       context.getHandler(),
@@ -50,7 +50,7 @@ export class FastifyInterceptorService extends AbstractInterceptorService {
   }
 
   private getResponse(context: ExecutionContext): FastifyReply<ServerResponse> {
-    return context.switchToHttp().getResponse();
+    return context.switchToHttp().getResponse<FastifyReply<ServerResponse>>();
   }
 
   private determineStatusCodeFromError(error: HttpException & Error): number {