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workavia-mail-front/docs/adr/0062-fix-offline-cache-prevents-updating-email-query-view-on-mobile.md
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2025-04-21 03:23:14 -07:00

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# 62. Fix offline cache prevents updating email query view on mobile
Date: 2025-04-03
## Status
- Issues:
- [Offline cache prevents updating email query view #3507](https://github.com/linagora/tmail-flutter/issues/3507)
## Context
- When we perform too many actions on multiple emails `(Mark as read, mark as star, move, delete, etc.)`,
`Email/get` from the value of `Email/changes` will throw an error.
```json
[
"error",
{
"type": "requestTooLarge",
"description": "Too many items in an email read at level FULL. Got 183 items instead of maximum 100."
},
"c2"
]
```
- Some emails in the `update` of the `Email/change` response were not found in `Email/get`. But we still update newState of email.
## Decision
- To solve this problem we propose the most optimal solution which is
We will add a `Clean cache & Get all emails` action when the user performs `Pull down to refresh`
Now when user performs `Pull down to refresh` action. There will be 2 actions performed
- If the drag distance is shorter `< 200px` will perform `Refresh` action (`Just call get all emails`)
- If the drag distance is shorter `>= 200px` will perform `Deep Refresh` action (`Call clean cache and get all emails`)
## Consequences
- No lost emails when displayed on list on mobile