fix(core): update

ts/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@pushrocks/smartclickhouse',
-  version: '2.0.4',
+  version: '2.0.5',
   description: 'an odm for talking to clickhouse'
 }

ts/smartclickhouse.classes.smartclickhouse.ts

@@ -9,6 +9,7 @@ export interface IClickhouseConstructorOptions {
 
 export class SmartClickHouseDb {
   public options: IClickhouseConstructorOptions;
+  public defaultClient: plugins.clickhouse.ClickHouseClient;
   public clickhouseClient: plugins.clickhouse.ClickHouseClient;
 
   constructor(optionsArg: IClickhouseConstructorOptions) {
@@ -32,23 +33,38 @@ export class SmartClickHouseDb {
     // the password
     this.options.password ? defaultOptions.password = this.options.password : null;
     // lets connect
-    const defaultClient = new plugins.clickhouse.ClickHouseClient({
+    this.defaultClient = new plugins.clickhouse.ClickHouseClient({
       ...defaultOptions,
       database: 'default',
     });
+    await this.pingDatabaseUntilAvailable();
     console.log(`Create database ${this.options.database}, if it does not exist...`);
-    if (dropOld) {
-      await defaultClient.queryPromise(`DROP DATABASE IF EXISTS ${this.options.database}`);
-    }
-    await defaultClient.queryPromise(`CREATE DATABASE IF NOT EXISTS ${this.options.database}`);
+    await this.createDatabase(dropOld);
 
     console.log(`Ensured database. Now connecting to wanted database: ${this.options.database}`);
     this.clickhouseClient = new plugins.clickhouse.ClickHouseClient({
       ...defaultOptions
     });
-    console.log(`trying to ping database...`);
-    const result = await this.clickhouseClient.ping();
-    console.log(`Ping successfull?: ${result}`);
+  }
+
+  public async createDatabase(dropOld: boolean = false) {
+    if (dropOld) {
+      await this.defaultClient.queryPromise(`DROP DATABASE IF EXISTS ${this.options.database}`);
+    }
+    await this.defaultClient.queryPromise(`CREATE DATABASE IF NOT EXISTS ${this.options.database}`);
+  }
+
+  public async pingDatabaseUntilAvailable() {
+    let available = false;
+    while(!available) {
+      available = await this.defaultClient.ping().catch(err => {
+        return false;
+      });
+      if (!available) {
+        console.log(`NOT OK: tried pinging ${this.options.url}... Trying again in 5 seconds.`);
+        await plugins.smartdelay.delayFor(5000);
+      }
+    }
   }
 
   /**

ts/smartclickhouse.classes.timedatatable.ts

@@ -66,6 +66,7 @@ export class TimeDataTable {
   }
 
   // INSTANCE
+  public healingDeferred: plugins.smartpromise.Deferred<any>;
   public smartClickHouseDbRef: SmartClickHouseDb;
   public options: ITimeDataTableOptions;
 
@@ -92,6 +93,7 @@ export class TimeDataTable {
    * stores a json and tries to map it to the nested syntax
    */
   public async addData(dataArg: any) {
+
     // the storageJson
     let storageJson: { [key: string]: any } = {};
     
@@ -164,7 +166,18 @@ export class TimeDataTable {
 
     const result = await this.smartClickHouseDbRef.clickhouseClient.insertPromise(this.options.tableName, [
       storageJson,
-    ]);
+    ]).catch(async () => {
+      if (this.healingDeferred) {
+        return;
+      }
+      this.healingDeferred = plugins.smartpromise.defer();
+      console.log(`Ran into an error. Trying to set up things properly again.`);
+      await this.smartClickHouseDbRef.pingDatabaseUntilAvailable();
+      await this.smartClickHouseDbRef.createDatabase();
+      this.columns = [];
+      this.healingDeferred.resolve();
+      this.healingDeferred = null;
+    });
     return result;
   }
 }

ts/smartclickhouse.plugins.ts

@@ -1,9 +1,13 @@
 // @pushrocks scope
+import * as smartdelay from '@pushrocks/smartdelay';
 import * as smartobject from '@pushrocks/smartobject';
+import * as smartpromise from '@pushrocks/smartpromise';
 import * as smarturl from '@pushrocks/smarturl';
 
 export {
+  smartdelay,
   smartobject,
+  smartpromise,
   smarturl
 }