Refactoring account setup listenr

src/main/Auth.ts

@@ -17,98 +17,105 @@ interface AccountDoc {
 
 export default class Auth {
   public static ready() {
-    let clientId: string
-    let clientSecret: string
-    ipcMain.on("new-account-setup", async (event: Event, instance: string) => {
+    ipcMain.on("new-account-setup", (event: Event, instance: string) => this.setup(event, instance))
+  }
+
+  private static async setup(event: Event, instance: string) {
+    let appData: OAuth.AppData
+
+    try {
       const SCOPES: string = "read write follow"
-      let url: string | null
-      try {
-        let appData: OAuth.AppData = await Mastodon.registerApp(
-          "TheDesk",
-          {
-            scopes: SCOPES
-          },
-          "https://" + instance
-        )
-        clientId = appData.clientId
-        clientSecret = appData.clientSecret
-        url = appData.url
-        if (url === undefined || url === null) {
-          event.sender.send(`error`, {
-            id: "ERROR_GET_AUTHURL",
-            message: "Failed to get auth URL to login."
-          })
-          return
-        }
-        shell.openExternal(
-          url,
-          {
-            activate: false
-          },
-          err => {
-            if (err) console.log(err)
-          }
-        )
-      } catch (err) {
-        let error: Error = err
-        event.sender.send(`error`, {
-          id: "ERROR_CONNECTION",
-          message: "Connection error",
-          meta: error
-        })
-      }
-    })
-    ipcMain.on(
-      "new-account-auth",
-      async (event: Event, code: string, instance: string) => {
-        try {
-          let tokenData: Partial<{ accessToken: string }> = await Mastodon.fetchAccessToken(clientId, clientSecret, code, "https://" + instance)
-          if (tokenData.accessToken === undefined) {
-            event.sender.send(`error`, {
-              id: "ERROR_GET_TOKEN",
-              message: "Failed to get access token."
-            })
-            return
-          }
+      appData = await Mastodon.registerApp(
+        "TheDesk",
+        {
+          scopes: SCOPES
+        },
+        "https://" + instance
+      )
+    } catch (err) {
+      let error: Error = err
+      event.sender.send(`error`, {
+        id: "ERROR_CONNECTION",
+        message: "Connection error",
+        meta: error
+      })
+      return
+    }
 
-          const client = Client.createAuthClient('http', instance, tokenData.accessToken)
+    let url: string | null = appData.url
+    if (url === null) {
+      event.sender.send(`error`, {
+        id: "ERROR_GET_AUTHURL",
+        message: "Failed to get auth URL to login."
+      })
+      return
+    }
 
-          let resp: Response<Account> = await client.get<Account>("/accounts/verify_credentials")
-          let you = resp.data
-
-          let db = new Datastore({
-            filename: join(app.getPath("userData"), "account.db"),
-            autoload: true
-          })
-
-          let docs: AccountDoc = {
-            domain: instance,
-            acct: you.acct,
-            avatar: you.avatar,
-            avatarStatic: you.avatar_static,
-            accessToken: tokenData.accessToken,
-          }
-
-          db.insert(docs, function (err, newDocs) {
-            if (err) {
-              event.sender.send(`error`, {
-                id: "ERROR_YOU_TRY_ANOTHER_ACCOUNT",
-                message: "You cannot login already logined account."
-              })
-            } else {
-              Client.setAuthClient('http', `@${newDocs.acct}@${newDocs.domain}`, client)
-              event.sender.send(`login-complete`, newDocs)
-            }
-          })
-        } catch (err) {
-          let error: Error = err
-          event.sender.send(`error`, {
-            id: "ERROR_CONNECTION",
-            message: "Connection error",
-            meta: error
-          })
-        }
+    shell.openExternal(
+      url,
+      {
+        activate: false
+      },
+      err => {
+        if (err) console.log(err)
       }
     )
+
+    ipcMain.once("new-account-auth", (event: Event, code: string, instance: string) => {
+      this.auth(event, code, instance, appData.clientId, appData.clientSecret)
+    })
+  }
+
+  private static async auth(event: Event, code: string, instance: string, clientId: string, clientSecret: string) {
+    let tokenData: Partial<{ accessToken: string }>
+    try {
+      tokenData = await Mastodon.fetchAccessToken(clientId, clientSecret, code, "https://" + instance)
+    } catch (err) {
+      let error: Error = err
+      event.sender.send(`error`, {
+        id: "ERROR_CONNECTION",
+        message: "Connection error",
+        meta: error
+      })
+      return
+    }
+
+    if (tokenData.accessToken === undefined) {
+      event.sender.send(`error`, {
+        id: "ERROR_GET_TOKEN",
+        message: "Failed to get access token."
+      })
+      return
+    }
+
+    const client = Client.createAuthClient('http', instance, tokenData.accessToken)
+
+    let resp: Response<Account> = await client.get<Account>("/accounts/verify_credentials")
+    let you = resp.data
+
+    let db = new Datastore({
+      filename: join(app.getPath("userData"), "account.db"),
+      autoload: true
+    })
+
+    let docs: AccountDoc = {
+      domain: instance,
+      acct: you.acct,
+      avatar: you.avatar,
+      avatarStatic: you.avatar_static,
+      accessToken: tokenData.accessToken,
+    }
+
+    db.insert(docs, function (err, newDocs) {
+      if (err) {
+        event.sender.send(`error`, {
+          id: "ERROR_YOU_TRY_ANOTHER_ACCOUNT",
+          message: "You cannot login already logined account."
+        })
+      } else {
+        Client.setAuthClient('http', `@${newDocs.acct}@${newDocs.domain}`, client)
+        event.sender.send(`login-complete`, newDocs)
+      }
+    })
   }
 }