Fix: Linter warnings (#137)

* Automaticly fixable eslint issues, mostly 3 -> 2 space indentation

* fix: updated plex_userid to camelcase

* Linted and some consistency refactor on middleware

* eslint uses ecmaversion 2020 & allow empty catch rule

* Started linting source files

* Fixed eslint errors & improved a lot of error handling

* Set 2 eslint rules as warning temporarly

src/tautulli/tautulli.js

@@ -1,5 +1,19 @@
 const fetch = require("node-fetch");
 
+class TautulliUnexpectedError extends Error {
+  constructor(errorMessage) {
+    const message = "Unexpected error fetching from tautulli.";
+    super(message);
+
+    this.statusCode = 500;
+    this.errorMessage = errorMessage;
+  }
+}
+
+function logTautulliError(error) {
+  throw new TautulliUnexpectedError(error);
+}
+
 class Tautulli {
   constructor(apiKey, ip, port) {
     this.apiKey = apiKey;
@@ -7,67 +21,59 @@ class Tautulli {
     this.port = port;
   }
 
-  buildUrlWithCmdAndUserid(cmd, user_id) {
+  buildUrlWithCmdAndUserid(cmd, userId) {
     const url = new URL("api/v2", `http://${this.ip}:${this.port}`);
     url.searchParams.append("apikey", this.apiKey);
     url.searchParams.append("cmd", cmd);
-    url.searchParams.append("user_id", user_id);
+    url.searchParams.append("user_id", userId);
 
     return url;
   }
 
-  logTautulliError(error) {
-    console.error("error fetching from tautulli");
-
-    throw error;
-  }
-
-  getPlaysByDayOfWeek(plex_userid, days, y_axis) {
+  getPlaysByDayOfWeek(plexUserId, days, yAxis) {
     const url = this.buildUrlWithCmdAndUserid(
       "get_plays_by_dayofweek",
-      plex_userid
+      plexUserId
     );
     url.searchParams.append("time_range", days);
-    url.searchParams.append("y_axis", y_axis);
+    url.searchParams.append("y_axis", yAxis);
 
     return fetch(url.href)
       .then(resp => resp.json())
-      .catch(error => this.logTautulliError(error));
+      .catch(error => logTautulliError(error));
   }
 
-  getPlaysByDays(plex_userid, days, y_axis) {
-    const url = this.buildUrlWithCmdAndUserid("get_plays_by_date", plex_userid);
+  getPlaysByDays(plexUserId, days, yAxis) {
+    const url = this.buildUrlWithCmdAndUserid("get_plays_by_date", plexUserId);
     url.searchParams.append("time_range", days);
-    url.searchParams.append("y_axis", y_axis);
+    url.searchParams.append("y_axis", yAxis);
 
     return fetch(url.href)
       .then(resp => resp.json())
-      .catch(error => this.logTautulliError(error));
+      .catch(error => logTautulliError(error));
   }
 
-  watchTimeStats(plex_userid) {
+  watchTimeStats(plexUserId) {
     const url = this.buildUrlWithCmdAndUserid(
       "get_user_watch_time_stats",
-      plex_userid
+      plexUserId
     );
     url.searchParams.append("grouping", 0);
 
     return fetch(url.href)
       .then(resp => resp.json())
-      .catch(error => this.logTautulliError(error));
+      .catch(error => logTautulliError(error));
   }
 
-  viewHistory(plex_userid) {
-    const url = this.buildUrlWithCmdAndUserid("get_history", plex_userid);
+  viewHistory(plexUserId) {
+    const url = this.buildUrlWithCmdAndUserid("get_history", plexUserId);
 
     url.searchParams.append("start", 0);
     url.searchParams.append("length", 50);
 
-    console.log("fetching url", url.href);
-
     return fetch(url.href)
       .then(resp => resp.json())
-      .catch(error => this.logTautulliError(error));
+      .catch(error => logTautulliError(error));
   }
 }