photoprism/photoprism

Upload: Preserve file modification timestamps

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#3,942 创建于 2023年12月8日

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 (7 评论) (3 反应) (0 负责人)Go (39,670 star) (2,263 fork)batch import
apifrontendhelp wantedideametadataupload

描述

Describe what problem this solves and why this would be valuable to many users Describe the solution you'd like

Photoprism didn't use mtime as timestamp when no related exif info Use mtime as timestamp as like google photo when no related exif info The same logic can be found on immich as well https://github.com/immich-app/immich/issues/4188

Describe alternatives you've considered

Updating by exiftool manually was difficult since files were tens of thousands, also some video formats were not supported by exiftool and some files did not have exif such as screenshot pictures.

Additional context

贡献者指南

技术栈
go
领域
backend
议题类型
feature
难度面向新贡献者的预计实现难度，1 表示很小改动，5 表示专家级工作。
3
预计时间有经验贡献者完成调查、实现、测试并准备 pull request 的粗略时间范围。
1-3 hours
活动状态议题当前的可参与程度：新鲜、活跃、陈旧、阻塞或等待维护者输入。
fresh
清晰度议题是否清楚说明期望改动、验收标准和下一步。
clear
前置要求
Go programmingPhotoPrism codebase basicsFile system operations
新手友好度1-100 的估计分数，表示该议题对首次贡献者的友好程度。
60
研究方向
Investigate the upload logic in PhotoPrism, particularly how timestamps are currently extracted from EXIF or other metadata. Look at files under internal/upload/ and any timestamp related code. Reference the Immich implementation linked in the issue for a similar solution. Ensure that the file modification time (mtime) is used as a fallback when no valid EXIF timestamp is available.