From e5021187e96b78b53203bd95d08d6818aea47d17 Mon Sep 17 00:00:00 2001
From: "Thomas F. K. Jorna" <thomasfkjorna@gmail.com>
Date: Wed, 14 Jul 2021 15:10:31 +0200
Subject: New Ignite 7.0.6 app

---
 app/services/api/api.ts | 102 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 app/services/api/api.ts

(limited to 'app/services/api/api.ts')

diff --git a/app/services/api/api.ts b/app/services/api/api.ts
new file mode 100644
index 0000000..15f6815
--- /dev/null
+++ b/app/services/api/api.ts
@@ -0,0 +1,102 @@
+import { ApisauceInstance, create, ApiResponse } from "apisauce"
+import { getGeneralApiProblem } from "./api-problem"
+import { ApiConfig, DEFAULT_API_CONFIG } from "./api-config"
+import * as Types from "./api.types"
+
+/**
+ * Manages all requests to the API.
+ */
+export class Api {
+  /**
+   * The underlying apisauce instance which performs the requests.
+   */
+  apisauce: ApisauceInstance
+
+  /**
+   * Configurable options.
+   */
+  config: ApiConfig
+
+  /**
+   * Creates the api.
+   *
+   * @param config The configuration to use.
+   */
+  constructor(config: ApiConfig = DEFAULT_API_CONFIG) {
+    this.config = config
+  }
+
+  /**
+   * Sets up the API.  This will be called during the bootup
+   * sequence and will happen before the first React component
+   * is mounted.
+   *
+   * Be as quick as possible in here.
+   */
+  setup() {
+    // construct the apisauce instance
+    this.apisauce = create({
+      baseURL: this.config.url,
+      timeout: this.config.timeout,
+      headers: {
+        Accept: "application/json",
+      },
+    })
+  }
+
+  /**
+   * Gets a list of users.
+   */
+  async getUsers(): Promise<Types.GetUsersResult> {
+    // make the api call
+    const response: ApiResponse<any> = await this.apisauce.get(`/users`)
+
+    // the typical ways to die when calling an api
+    if (!response.ok) {
+      const problem = getGeneralApiProblem(response)
+      if (problem) return problem
+    }
+
+    const convertUser = (raw) => {
+      return {
+        id: raw.id,
+        name: raw.name,
+      }
+    }
+
+    // transform the data into the format we are expecting
+    try {
+      const rawUsers = response.data
+      const resultUsers: Types.User[] = rawUsers.map(convertUser)
+      return { kind: "ok", users: resultUsers }
+    } catch {
+      return { kind: "bad-data" }
+    }
+  }
+
+  /**
+   * Gets a single user by ID
+   */
+
+  async getUser(id: string): Promise<Types.GetUserResult> {
+    // make the api call
+    const response: ApiResponse<any> = await this.apisauce.get(`/users/${id}`)
+
+    // the typical ways to die when calling an api
+    if (!response.ok) {
+      const problem = getGeneralApiProblem(response)
+      if (problem) return problem
+    }
+
+    // transform the data into the format we are expecting
+    try {
+      const resultUser: Types.User = {
+        id: response.data.id,
+        name: response.data.name,
+      }
+      return { kind: "ok", user: resultUser }
+    } catch {
+      return { kind: "bad-data" }
+    }
+  }
+}
-- 
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