private async routeAndDispatchBatchRequest()

in src/table/batch/TableBatchOrchestrator.ts [245:348]
86 lines of code
11 McCabe index (conditional complexity)

  private async routeAndDispatchBatchRequest(
    request: BatchRequest,
    context: Context,
    contentID: number,
    batchId: string
  ): Promise<any> {
    const batchContextClone = this.createBatchContextClone(
      context,
      request,
      batchId
    );

    let response: any;
    let __return: any;
    // we only use 5 HTTP Verbs to determine the table operation type
    try {
      switch (request.getMethod()) {
        case BatchStringConstants.VERB_POST:
          // INSERT: we are inserting an entity
          // POST	https://myaccount.table.core.windows.net/mytable
          ({ __return, response } = await this.handleBatchInsert(
            request,
            response,
            batchContextClone,
            contentID,
            batchId
          ));
          break;
        case BatchStringConstants.VERB_PUT:
          // UPDATE: we are updating an entity
          // PUT http://127.0.0.1:10002/devstoreaccount1/mytable(PartitionKey='myPartitionKey', RowKey='myRowKey')
          // INSERT OR REPLACE:
          // PUT	https://myaccount.table.core.windows.net/mytable(PartitionKey='myPartitionKey', RowKey='myRowKey')
          ({ __return, response } = await this.handleBatchUpdate(
            request,
            response,
            batchContextClone,
            contentID,
            batchId
          ));
          break;
        case BatchStringConstants.VERB_DELETE:
          // DELETE: we are deleting an entity
          // DELETE	https://myaccount.table.core.windows.net/mytable(PartitionKey='myPartitionKey', RowKey='myRowKey')
          ({ __return, response } = await this.handleBatchDelete(
            request,
            response,
            batchContextClone,
            contentID,
            batchId
          ));
          break;
        case BatchStringConstants.VERB_GET:
          // QUERY : we are querying / retrieving an entity
          // GET	https://myaccount.table.core.windows.net/mytable(PartitionKey='<partition-key>',RowKey='<row-key>')?$select=<comma-separated-property-names>
          ({ __return, response } = await this.handleBatchQuery(
            request,
            response,
            batchContextClone,
            contentID,
            batchId
          ));
          break;
        case BatchStringConstants.VERB_CONNECT:
          throw new Error("Connect Method unsupported in batch.");
          break;
        case BatchStringConstants.VERB_HEAD:
          throw new Error("Head Method unsupported in batch.");
          break;
        case BatchStringConstants.VERB_OPTIONS:
          throw new Error("Options Method unsupported in batch.");
          break;
        case BatchStringConstants.VERB_TRACE:
          throw new Error("Trace Method unsupported in batch.");
          break;
        case BatchStringConstants.VERB_PATCH:
          // this is using the PATCH verb to merge
          ({ __return, response } = await this.handleBatchMerge(
            request,
            response,
            batchContextClone,
            contentID,
            batchId
          ));
          break;
        default:
          // MERGE: this must be the merge, as the merge operation is not currently generated by autorest
          // MERGE	https://myaccount.table.core.windows.net/mytable(PartitionKey='myPartitionKey', RowKey='myRowKey')
          // INSERT OR MERGE
          // MERGE	https://myaccount.table.core.windows.net/mytable(PartitionKey='myPartitionKey', RowKey='myRowKey')
          ({ __return, response } = await this.handleBatchMerge(
            request,
            response,
            batchContextClone,
            contentID,
            batchId
          ));
      }
    } catch (batchException) {
      // this allows us to catch and debug any errors in the batch handling
      throw batchException;
    }
    return __return;
  }