added a SSOSettings class

server/objects/SSOSettings.js

@@ -0,0 +1,68 @@
+const { CoverDestination, BookCoverAspectRatio, BookshelfView } = require('../utils/constants')
+const Logger = require('../Logger')
+const User = require('./User')
+
+const defaultSettings = {
+  oidc: {
+    issuer: "",
+    authorizationURL: "",
+    tokenURL: "",
+    userInfoURL: "",
+    clientID: "",
+    clientSecret: "",
+    callbackURL: "/oidc/callback",
+    scope: "openid email profile"  
+  },
+  user: {
+    createNewUser: false,
+    isActive: true,
+    userSettings: {
+      mobileOrderBy: 'recent',
+      mobileOrderDesc: true,
+      mobileFilterBy: 'all',
+      orderBy: 'book.title',
+      orderDesc: false,
+      filterBy: 'all',
+      playbackRate: 1,
+      bookshelfCoverSize: 120,
+      collapseSeries: false
+    },
+    permissions: {
+      download: false,
+      update: false,
+      delete: false,
+      upload: false,
+      accessAllLibraries: false
+    }
+  }
+}
+
+class SSOSettings {
+  constructor(settings=defaultSettings) {
+    this.id = 'sso-settings'
+    this.oidc = {...settings.oidc}
+    this.user = {...settings.user}
+  }
+
+  toJSON() {
+    return {
+      oidc: {...this.oidc},
+      user: {...this.user}
+    }
+  }
+
+  update(payload) {
+    let hasUpdates = false
+    for (const key in payload) {
+      for (const setting in payload) {
+        if (!this[key] || this[key][setting] === payload[key][setting]) {
+          continue
+        }
+        this[key][setting] = payload[key][setting]
+        hasUpdates = true
+      }
+    }
+    return hasUpdates
+  }
+}
+module.exports = SSOSettings