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Changelog for Tz_World

Tz_World v1.3.2

This is the changelog for Tz_World v1.3.2 released on December 2nd 2023. For older changelogs please consult the release tag on GitHub

Bug Fixes

  • Fixes compiler warnings for Elixir 1.16

Tz_World v1.3.1

This is the changelog for Tz_World v1.3.1 released on August 17th, 2023. For older changelogs please consult the release tag on GitHub

Bug Fixes

Thanks to @mjquinlan2000 for the report of issues on Elixir 1.15 and OTP 26.

Tz_World v1.3.0

This is the changelog for Tz_World v1.3.0 released on April 5th, 2023. For older changelogs please consult the release tag on GitHub

Enhancements

  • Add httpc set_options/1 support. Thanks to @gabrielgiordan for the PR (and the PR for fixing CI).

Tz_World v1.2.0

This is the changelog for Tz_World v1.2.0 released on October 12th, 2022. For older changelogs please consult the release tag on GitHub

Bug Fixes

  • Fix TzWorld.Backend.Dets to not raise an exception if there is no timezone data available.

Enhancements

  • Adds options to mix tzworld.update mix task:
    • --include_oceans will download a 10% larger geojson data set that covers the worlds oceans
    • --force will force a data update, even if the data is the latest release. This can be used to switch between data that includes oceans and that which does not.
    • Thanks to @lguminski for the feedback and suggestion.

Tz_World v1.1.0

This is the changelog for Tz_World v1.1.0 released on August 26th, 2022. For older changelogs please consult the release tag on GitHub

Enhancements

Tz_World v1.0.0

This is the changelog for Tz_World v1.0.0 released on October 19th, 2021. For older changelogs please consult the release tag on GitHub

Enhancements

  • Update to version 1.0.0 since the API has been stable for a year.

Tz_World v0.7.1

This is the changelog for Tz_World v0.7.1 released on November 6th, 2020. For older changelogs please consult the release tag on GitHub

Bug Fixes

  • Don't use tests for the external data version since that changes outside of the code lifesycle

Tz_World v0.7.0

This is the changelog for Tz_World v0.7.0 released on October 10th, 2020. For older changelogs please consult the release tag on GitHub

Bug Fixes

  • Add :inets and :public_key to :extra_applications in mix.exs to make Elixir 1.11 happy.

Tz_World v0.6.0

This is the changelog for Tz_World v0.6.0 released on June 10th, 2020. For older changelogs please consult the release tag on GitHub

Bug Fixes

  • Honour the configuration for :data_dir. Thanks to @superhawk610. Fixes #12

  • Be more resilient if the :dets file is not in place

Tz_World v0.5.0

This is the changelog for Tz_World v0.5.0 released on May 23rd, 2020. For older changelogs please consult the release tag on GitHub

Bug Fixes

  • Move compile time configuration of the data directory to runtime and remove hard-coded default path

  • Start :inets and :ssl applications in the downloader mix task

  • Add certificate verification when downloading updates to the geo data

Enhancements

  • Document the :data_dir and :cacertfile configuration options it the README.md file

  • The backends :dets and :dets_with_index_cache now open the :dets file as access: :read which prevents errors if the file is abnormally closed.

Tz_World v0.4.0

This is the changelog for Tz_World v0.4.0 released on May 12th, 2020. For older changelogs please consult the release tag on GitHub

  • Adds configurable backends. Each backend is a GenServer that must be added to an applications supervision tree or started manually.

Breaking change

  • When specifying a lng, lat to TzWorld.timezone_at/2 the coordinates must be wrapped in a tuple. For example TzWorld.timezone_at({3.2, 45.32}) making it consistent with the Geo.Point and Geo.PointZ strategies.

Configurable backends

  • TzWorld.Backend.Memory which retains all data in memory for fast (but not fastest) performance at the expense of using approximately 1Gb of memory
  • TzWorld.Backend.Dets which uses Erlang's :dets data store. This uses negligible memory at the expense of slow access times (approximaltey 500ms in testing)
  • TzWorld.Backend.DetsWithIndexCache which balances memory usage and performance. This backend is recommended in most situations since its performance is similar to TzWorld.Backend.Memory (about 5% slower in testing) and uses about 25Mb of memory
  • TzWorld.Backend.Ets which uses :ets for storage. With the default settings of :compressed for the :ets table its memory consumption is about 512Mb but with access that is over 20 times slower than TzWorld.Backend.DetsWithIndexCache
  • TzWorld.Backend.EtsWithIndexCache which uses :ets for storage with an additional in-memory cache of the bounding boxes. This still uses about 512Mb but is faster than any of the other backends by about 40%

Enhancements

  • Add TzWorld.all_timezones_at/2 to return all timezones for a given location. In rare cases, usually disputed territory, multiple timezones may be declared for overlapping regions. TzWorld.all_timezones_at/2 returns a (potentially empty) list of all time zones known for a given point. Futher testing of this function is required and will be completed before version 1.0.

Tz_World v0.3.0

This is the changelog for Tz_World v0.3.0 released on December 4th, 2019. For older changelogs please consult the release tag on GitHub

Breaking Changes

  • Changes the error return from {:error, :timezone_not_found} to {:error, :time_zone_not_found} since both Elixir and Tzdata use time_zone.

Enhancements

Tz_World v0.2.0

This is the changelog for Tz_World v0.2.0 released on November 28th, 2019. For older changelogs please consult the release tag on GitHub

Breaking Changes

  • Requires OTP 21 and Elixir 1.6 or later due to the use of GenServer's handle_continue/2

  • timezone_at/1 returns tagged tuples {:ok, result} or {:error, reason}. There can be at least two reasons for an error: no data file is available or no timezone is found. These return {:error, :enoent} and {:error, :timezone_not_found} respectively

  • The timezone geojson data is no longer included in the package. Run mix tz_world.update to install or update it.

  • No longer uses Ecto or PostGIS for calculations.

Enhancements

  • Updated to latest shape data. Takes the geo JSON shape data directly from timezone-boundary-builder releases

  • Conforms TzWorker to the modern child_spec/1 including using handle_continue/2 to load the data file if it exists.

  • Updated dependencies including geo to allow 1.x, 2.x or 3.x

  • Added Jason as an optional dependency to facilitate decoding the GeoJSON from timezone_boundary_builder

  • The timezone geojson data is no longer included in the package. Its size isn't supported on hex and it bloats the repo too. A mix task tz_world.update downloads and processes the data. The function TzWorld.Downloader.update_release/0 can be called at any time to look for a new release, download it and load it into the running server with no downtime.

  • timezone_at/1 supports simple lng, lat arguments as well as %Geo.Point{} structs

  • Added CHANGELOG.md

  • Added SRID to the GeoJSON

  • Updated package and ran dialyzer

  • Added a config option :data_dir specifies the location of the compressed etf. Default is ./priv

  • Updated README, package and docs