Add:Email smtp config & send ebooks to devices #1474

server/objects/settings/EmailSettings.js

@@ -0,0 +1,101 @@
+const Logger = require('../../Logger')
+const { areEquivalent, copyValue, isNullOrNaN } = require('../../utils')
+
+// REF: https://nodemailer.com/smtp/
+class EmailSettings {
+  constructor(settings = null) {
+    this.id = 'email-settings'
+    this.host = null
+    this.port = 465
+    this.secure = true
+    this.user = null
+    this.pass = null
+    this.fromAddress = null
+
+    // Array of { name:String, email:String }
+    this.ereaderDevices = []
+
+    if (settings) {
+      this.construct(settings)
+    }
+  }
+
+  construct(settings) {
+    this.host = settings.host
+    this.port = settings.port
+    this.secure = !!settings.secure
+    this.user = settings.user
+    this.pass = settings.pass
+    this.fromAddress = settings.fromAddress
+    this.ereaderDevices = settings.ereaderDevices?.map(d => ({ ...d })) || []
+  }
+
+  toJSON() {
+    return {
+      id: this.id,
+      host: this.host,
+      port: this.port,
+      secure: this.secure,
+      user: this.user,
+      pass: this.pass,
+      fromAddress: this.fromAddress,
+      ereaderDevices: this.ereaderDevices.map(d => ({ ...d }))
+    }
+  }
+
+  update(payload) {
+    if (!payload) return false
+
+    if (payload.port !== undefined) {
+      if (isNullOrNaN(payload.port)) payload.port = 465
+      else payload.port = Number(payload.port)
+    }
+    if (payload.secure !== undefined) payload.secure = !!payload.secure
+
+    if (payload.ereaderDevices !== undefined && !Array.isArray(payload.ereaderDevices)) payload.ereaderDevices = undefined
+
+    let hasUpdates = false
+
+    const json = this.toJSON()
+    for (const key in json) {
+      if (key === 'id') continue
+
+      if (payload[key] !== undefined && !areEquivalent(payload[key], json[key])) {
+        this[key] = copyValue(payload[key])
+        hasUpdates = true
+      }
+    }
+
+    return hasUpdates
+  }
+
+  getTransportObject() {
+    const payload = {
+      host: this.host,
+      secure: this.secure
+    }
+    if (this.port) payload.port = this.port
+    if (this.user && this.pass !== undefined) {
+      payload.auth = {
+        user: this.user,
+        pass: this.pass
+      }
+    }
+
+    return payload
+  }
+
+  getEReaderDevices(user) {
+    // Only accessible to admin or up
+    if (!user.isAdminOrUp) {
+      return []
+    }
+
+    return this.ereaderDevices.map(d => ({ ...d }))
+  }
+
+  getEReaderDevice(deviceName) {
+    return this.ereaderDevices.find(d => d.name === deviceName)
+  }
+}
+module.exports = EmailSettings