refactor(server): payment service

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[forehalo]

• #8947
• #8919
• #8906 👈 (View in Graphite)
• canary

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[nx-cloud[bot]]

☁️ Nx Cloud Report

CI is running/has finished running commands for commit 0b92962867ade399b0185e782ef8c605f7ae7585. As they complete they will appear below. Click to see the status, the terminal output, and the build insights.

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✅ Successfully ran 1 target

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[codecov[bot]]

Codecov Report

Attention: Patch coverage is 80.03234% with 247 lines in your changes missing coverage. Please review.

Project coverage is 65.58%. Comparing base (6e25243) to head (0b92962). Report is 15 commits behind head on canary.

Files with missing lines	Patch %	Lines
...ages/backend/server/src/plugins/payment/service.ts	69.87%	72 Missing :warning:
...ges/backend/server/src/plugins/payment/resolver.ts	55.76%	46 Missing :warning:
...backend/server/src/plugins/payment/manager/user.ts	91.94%	43 Missing :warning:
...ackages/backend/server/src/plugins/payment/cron.ts	44.44%	30 Missing :warning:
...s/backend/server/src/plugins/payment/controller.ts	51.92%	25 Missing :warning:
...ages/backend/server/src/plugins/payment/webhook.ts	53.84%	24 Missing :warning:
...ckages/backend/server/src/plugins/payment/types.ts	94.57%	7 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## canary #8906 +/- ## ========================================== + Coverage 64.77% 65.58% +0.80% ========================================== Files 665 669 +4 Lines 37373 37686 +313 Branches 3608 3644 +36 ========================================== + Hits 24210 24716 +506 + Misses 12796 12622 -174 + Partials 367 348 -19 ``` | [Flag](https://app.codecov.io/gh/toeverything/AFFiNE/pull/8906/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=toeverything) | Coverage Δ | | |---|---|---| | [server-test](https://app.codecov.io/gh/toeverything/AFFiNE/pull/8906/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=toeverything) | `78.09% <80.01%> (+0.95%)` | :arrow_up: | | [unittest](https://app.codecov.io/gh/toeverything/AFFiNE/pull/8906/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=toeverything) | `34.57% <100.00%> (-0.22%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=toeverything#carryforward-flags-in-the-pull-request-comment) to find out more.

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