https://github.com/adamyala/timezone_lookup_example

https://github.com/adamyala/timezone_lookup_example

Last synced: 18 days ago
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• Host: GitHub
• URL: https://github.com/adamyala/timezone_lookup_example
• Owner: adamyala
• Created: 2021-10-15T17:47:30.000Z (over 3 years ago)
• Default Branch: master
• Last Pushed: 2021-10-19T19:43:41.000Z (over 3 years ago)
• Last Synced: 2024-11-10T03:37:03.250Z (3 months ago)
• Language: Python
• Size: 517 KB
• Stars: 0
• Watchers: 3
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# timezone_lookup_example

```shell

docker compose build

docker compose up

```

URI to connect to database `postgresql://postgres:[email protected]`

PSQL query to return all TODOs after their scheduled time but still today in the user's timezone

```postgresql

select 

	t.id,

	u.timezone,

	t.scheduled_datetime,

	t.scheduled_datetime at time zone u.timezone as localized_scheduled_datetime,

	now() at time zone u.timezone as localized_now,

	date_trunc('day', now() at time zone u.timezone) + interval '23 hours 59 minutes' as end_of_today

from app_todo as t

join app_user as u on t.user_id = u.id

where 

	-- todo scheduled datetime is before the end of the user's today

	t.scheduled_datetime at time zone u.timezone < date_trunc('day', now() at time zone u.timezone) + interval '23 hours 59 minutes'

	and 

	-- todo utc scheduled datetime is after utc now

	t.scheduled_datetime > now()::timestamp

;

```

Example of query output

![](readme-image.png)