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TSTool / Datastore Reference / TimesheetsCom Web Services

Overview

The timesheets.com web services allow timesheets data to be queried by software, including web applications and analysis tools such as TSTool. TSTool accesses timesheets.com web services using the TimesheetsCom plugin. See the following documentation:

TSTool primarily uses the API report/project/customizable service to list time series and retrieve timesheet project data, which are then processed into time series. Other services are used to provide data for lookups.

The TSTool WebGet command can be used to retrieve data from any web service and save to a file. For example, a CSV format file can be saved and the resulting file can be read using commands such as ReadTableFromDelimitedFile (to read a table) and ReadDelimitedFile (to read time series). The ReadTableFromJSON command can be used to read a JSON file that has been retrieved from web services. These general commands provide flexibility to retrieve data in addition to the specific TimesheetsCom datastore commands.

Web Service to Time Series Mapping

Time series data objects in TSTool consist of various properties such as location identifier, data type, units, and data arrays containing data values and flags. To convert timesheets.com data to time series requires joining customer name, project name, and user last and first name to create unique time series identifiers. The project hours are then summed in the time series to provide a history of work activities by customer, project, and user (employee).

The TSTool main interface browsing tool displays joined information in the time series list to select time series. The Data type and Time step are general filters implemented for all datastores and the Where input filters are specific to timesheets.com data.

TSTool where filters

TSTool Where Filters

Standard Time Series Properties

The general form of time series identifier used by TSTool is:

LocationID.DataSource.DataType.Interval~DatastoreName

If the LocationID does not result in a unique time series identifier, the LocType can be used to avoid ambiguity by indicating the type of the location, as shown below:

LocType:LocationID.DataSource.DataType.Interval~DatastoreName

The standard time series identifier format for timesheets.com web service time series is as follows, where TimesheetsCom is used for the data source. Single quotes are used around the LocationId to ensure that periods and other characters are properly handled.

'CustomerName/ProjectName/UserLastName,UserFirstName'.ProjectHours.Day~DatastoreName

The meaning of the TSID parts is as follows:

  • The LocType syntax is not currently used.
  • The LocationId is set to a concatenation of the following, using / between the first three main parts and comma between user name parts:
    • CustomerName
    • ProjectName
    • UserLastName
    • UserFirstName
  • The DataSource is set to TimesheetsCom and has no impact on reading data.
  • The DataType is set to:
    • ProjectHours to indicate project hours.
    • Support for hourly data will be added in the future.
  • The Interval is set to:
    • Day always.
    • Aggregation to week and month interval may be added in the future.
  • The DatastoreName is taken from the datastore configuration file Name property:
    • The datastore name is listed in the TSTool main interface.
    • Multiple datastores can be configured, each pointing to a different timesheets.com account. Therefore, datastore names should be assigned with enough detail to avoid confusion. The following are typical examples:
      • timesheets - general datastore name but is ambiguous if more than one timesheets.com account is accessed at the same time
      • timesheets-org - general datastore name indicating the account's organization

Important standard time series properties include:

  1. Time Series Description:
    1. The project name is used for the time series description, which is used in graph legends.
  2. Data Units:
    1. Data units of Hours are used for all data.
  3. Missing Data Value:
    1. The special value NaN is used internally for the missing data value.
    2. Applications can set missing values to zero if the interpretation is accurate.

See the next section for additional mapping of timesheets.com API data to TSTool time series.

Other Specifications and Integration Considerations

The following are other specifications related to TSTool plugin integration with timesheets.com web services.

  1. Service URL:
    1. The configuration file ServiceRootURI property includes the server root without service query parameters. See the Datastore Configuration File section for an example.
  2. Data Caching:
    1. TSTool performance, in particular interactive features, is impacted by web service query times. Therefore, it is desirable to cache data in memory so that software does not need to requery web services. The API also has query limits and frequent queries will result in API cutoff. When data are cached, changes in the timesheets.com database will not be visible in the TSTool session unless TSTool rereads the data. There is a balance between performance and having access to the most recent data.
    2. Currently, TSTool caches all data by reading the data at startup because the full list of time series can only be determined by examining all the data records. TSTool will also automatically refresh cached data when a request is made an hour or more after the previous request. If necessary, restart TSTool to read the current data.
    3. Additional optimization of caching may be implemented in future releases.
  3. Account and other codes:
    1. Currently the default is to read all timesheet records regardless of the account code, billable code, review status, etc.
    2. The datastore configuration file and ReadTimesheetsCom command may be enhanced in the future to provide more control.

Limitations

The following limitations and design issues have been identified during development of the TimesheetsCom plugin. Additional software development is required to overcome these limitations.

  1. General:
    1. Data Caching: In order to determine a unique list of customers/projects/users, it is necessary to process all of the report data records. To ensure fast performance, the data are cached after reading. The API has access limits and caching the data helps avoid API cutoffs. As a compromise, the report data are cached for an hour. Subsequent operations will cause the data to be reread, which will cause a slight delay. If it is necessary to retrieve current data, restart TSTool.
    2. Error handling:
      1. The timesheets.com web services return error messages and will be interpreted in more detail as experience with the API is gained.
  2. Hourly data:
    1. Hourly data are not currently supported but are expected to be supported in a future release.

Datastore Configuration File

A datastore is configured by creating a datastore configuration file.

Create a user datastore configuration file .tstool/NN/datastores/timesheets-yourorg.cfg (or similar) in the user's files, for example by copying and modifying the following example, or copying from another installation. The NN should agree with the major TSTool version, for example 14 as shown by the Help / About TSTool menu. TSTool will attempt to open datastores for all enabled configuration files.

The following illustrates the TimesheetsComDataStore datastore configuration file format and configures a datastore named timesheets-abc. The Name property is the datastore name that will be used by the TSTool - the file name can be any name but is often the same as the Name with extension .cfg.

# Configuration information for timesheets.com web service datastore.
# Properties are:
#
# Enabled - indicates if the datastore is enabled (active)
# ServiceApiDocumentationUri - URI for online API documentation
# Type - must be TimesheetsComDataStore to find proper software
#
# The user will see the following when interacting with the data store:
#
# Name - data store identifier used in applications, for example as the
#     input type information for time series identifiers (usually a short string)
# Description - data store description for reports and user interfaces (short phrase)
# ServiceRootURI - web service root URI, including the server name and root path

Enabled = True
#Enabled = False
Type = "TimesheetsComDataStore"
Name = "timesheets-abc"
Description = "ABC timesheets.com"
ServiceRootURI = "https://secure05v.timesheets.com/api/public/v1"
ServiceApiDocumentationUri = "https://support2.timesheets.com/knowledge-base/documentation/"
ApiKey = "INSERT KEY"
Authorization = "INSERT AUTHORIZATION"

TimesheetsCom Web Services DataStore Configuration File

The following table describes configuration file properties. See the timesheets.com Getting Started with the API documentation for information about getting the API key and authentication tokens.

TimesheetsCom Web Services DataStore Configuration File Properties

Property                                         Description Default
ApiKey The API key for the user.
Authorization The API authorization for the user.
Description
required		 Description of the datastore, typically a short sentence, used in some displays. None - must be specified.
Enabled Indicates whether the datastore is enabled. True
Name
required		 Datastore name that is used in the TSTool software and TimesheetsCom plugin commands. The name should be unique across all datastores. None - must be specified.
ServiceApiDocumentationURI The URL for the web services API documentation, specific to the system. This is used by software to display system-specific documentation. Documentation will not be available from command editors.
ServiceRootURI
required		 The root URL for the web services. This should include everything except the service name and query parameters (the specific service name and query parameters are automatically specified by software to query data). None - must be specified.
Type
required		 Must be TimesheetsComDataStore, which is used by TSTool to identify which plugin software to use for the datastore. None - must be specified.

See Also