Add new library item scanner

server/scanner/ScanLogger.js

@@ -0,0 +1,70 @@
+const uuidv4 = require("uuid").v4
+const Logger = require('../Logger')
+const { LogLevel } = require('../utils/constants')
+
+class ScanLogger {
+  constructor() {
+    this.id = null
+    this.type = null
+    this.name = null
+    this.verbose = false
+
+    this.startedAt = null
+    this.finishedAt = null
+    this.elapsed = null
+
+    /** @type {string[]} */
+    this.authorsRemovedFromBooks = []
+    /** @type {string[]} */
+    this.seriesRemovedFromBooks = []
+
+    this.logs = []
+  }
+
+  toJSON() {
+    return {
+      id: this.id,
+      type: this.type,
+      name: this.name,
+      startedAt: this.startedAt,
+      finishedAt: this.finishedAt,
+      elapsed: this.elapsed
+    }
+  }
+
+  setData(type, name) {
+    this.id = uuidv4()
+    this.type = type
+    this.name = name
+    this.startedAt = Date.now()
+  }
+
+  setComplete() {
+    this.finishedAt = Date.now()
+    this.elapsed = this.finishedAt - this.startedAt
+  }
+
+  getLogLevelString(level) {
+    for (const key in LogLevel) {
+      if (LogLevel[key] === level) {
+        return key
+      }
+    }
+    return 'UNKNOWN'
+  }
+
+  addLog(level, ...args) {
+    const logObj = {
+      timestamp: (new Date()).toISOString(),
+      message: args.join(' '),
+      levelName: this.getLogLevelString(level),
+      level
+    }
+
+    if (this.verbose) {
+      Logger.debug(`[Scan] "${this.name}":`, ...args)
+    }
+    this.logs.push(logObj)
+  }
+}
+module.exports = ScanLogger