[ADD] Field for approx. fleet duration

[ppfeufer]

Description

Added

• Field for the approximate fleet duration (Closes #183)

Type of change

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality not to work as expected)

Checklist:

• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my code
• [x] I have commented on my code, particularly in hard-to-understand areas
• [x] I have checked my code and corrected any misspellings

[codecov[bot]]

Codecov Report

Merging #195 (88264ea) into master (c02f847) will decrease coverage by 0.21%. The diff coverage is 33.34%.

Additional details and impacted files

[](https://app.codecov.io/gh/ppfeufer/aa-fleetpings/pull/195?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Peter+Pfeufer) ```diff @@ Coverage Diff @@ ## master #195 +/- ## ========================================== - Coverage 76.90% 76.69% -0.21% ========================================== Files 15 15 Lines 619 622 +3 Branches 59 60 +1 ========================================== + Hits 476 477 +1 - Misses 130 132 +2 Partials 13 13 ``` | [Files](https://app.codecov.io/gh/ppfeufer/aa-fleetpings/pull/195?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Peter+Pfeufer) | Coverage Δ | | |---|---|---| | [fleetpings/form.py](https://app.codecov.io/gh/ppfeufer/aa-fleetpings/pull/195?src=pr&el=tree&filepath=fleetpings%2Fform.py&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Peter+Pfeufer#diff-ZmxlZXRwaW5ncy9mb3JtLnB5) | `100.00% <100.00%> (ø)` | | | [fleetpings/helper/ping\_context.py](https://app.codecov.io/gh/ppfeufer/aa-fleetpings/pull/195?src=pr&el=tree&filepath=fleetpings%2Fhelper%2Fping_context.py&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Peter+Pfeufer#diff-ZmxlZXRwaW5ncy9oZWxwZXIvcGluZ19jb250ZXh0LnB5) | `16.05% <0.00%> (-0.40%)` | :arrow_down: | ------ [Continue to review full report in Codecov by Sentry](https://app.codecov.io/gh/ppfeufer/aa-fleetpings/pull/195?dropdown=coverage&src=pr&el=continue&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Peter+Pfeufer). > **Legend** - [Click here to learn more](https://docs.codecov.io/docs/codecov-delta?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Peter+Pfeufer) > `Δ = absolute (impact)`, `ø = not affected`, `? = missing data` > Powered by [Codecov](https://app.codecov.io/gh/ppfeufer/aa-fleetpings/pull/195?dropdown=coverage&src=pr&el=footer&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Peter+Pfeufer). Last update [c02f847...88264ea](https://app.codecov.io/gh/ppfeufer/aa-fleetpings/pull/195?dropdown=coverage&src=pr&el=lastupdated&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Peter+Pfeufer). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Peter+Pfeufer).