fix(DownloadLogs): Implemented Download Logs Feature

src/webexcalling/src/Logger.ts

@@ -0,0 +1,88 @@
+/**
+ *
+ * @param error
+ */
+export function formatError(error: any) {
+    if (!error) {
+      return '';
+    }
+
+    if (error.stack) {
+      return `fileName: '${error.fileName}', name: '${error.name}' lineNumber:${error.lineNumber} columnNumber:${error.columnNumber} message:'${error.message}'.`;
+    }
+
+    if (error.message) {
+      return error.message;
+    }
+    return JSON.stringify(error);
+  }
+
+  /**
+   *
+   * @param text
+   * @param leadingCharactersToKeep
+   */
+  export function concise(text = '', leadingCharactersToKeep = 32) {
+    if (text.length > leadingCharactersToKeep) {
+      return `${text.substring(0, leadingCharactersToKeep - 1)}...`;
+    }
+    return text;
+    // return text ? (text.length > leadingCharactersToKeep ? text.substring(0, leadingCharactersToKeep - 1) + '...' : text) : '';
+  }
+
+  export function downloadLogs() {
+    let content = localStorage.getItem("log");
+    if (!content) {
+        content = "";
+    }
+    const a = document.createElement("a");
+    a.setAttribute("href", "data:text/plain;charset=utf-8," + encodeURIComponent(content));
+    a.setAttribute("download", "msteams-integration.log");
+    a.style.display = "none";
+    document.body.appendChild(a);
+    a.click();
+    document.body.removeChild(a);
+  }
+
+  export class Logger {
+    static maxLogSizeInBytes: 500000;
+    static log(level: string, msg: string) {
+      const logMsg: string[] = [];
+      logMsg.push(new Date().toISOString()," ", "[", level, "]", " ", msg, "\n");
+      if (level == "error") {
+        //console.log(getErrorObject());
+        }
+        if (level !== "debug") {
+            let log = localStorage.getItem("log");
+            if (!log) {
+                log = "";
+            }
+            if (log.length > Logger.maxLogSizeInBytes) {
+                localStorage.removeItem("log");
+                log = "";
+            }
+            localStorage.setItem("log", log + logMsg.join(""));
+        }
+      // console.log(`${new Date().toISOString()} [${level}] ${msg}\n`, 'test' );
+    }
+
+    static debug(msg: string) {
+      Logger.log('debug', msg);
+    }
+
+    static info(msg: string) {
+      Logger.log('info', msg);
+    }
+
+    static error(msg: string) {
+      Logger.log('error', msg);
+    }
+  }
+
+  export enum LOGGER {
+    ERROR = "error",
+    WARN = "warn",
+    INFO = "info",
+    LOG = "log",
+    TRACE = "trace"
+}

src/webexcalling/src/index.ts

@@ -7,3 +7,4 @@ export * from './ISpeedDialsAdapter';
 export * from './IVoicemailAdapter';
 export * from './IMetricsAdapter';
 export * from './ICallForwardAdapter';
+export * from './Logger';