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Development talk:File API: Difference between revisions

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Some quick questions to avoid forgetting them:
===Main tasks===
* File Storage API:
** abstract (M1)
** local pool implementation (M1)
** DB schema (M1)
** deletion, acls, metadata (M1)
** problem: empty directories, file overwriting
* File Manager API:
** unique class, able to handle one "file area" (M2)
** security (M2)
** hack old file manager to be able to work with new fileareas (M3)
** js and non js implementations of FileManager (M4)
** integration with editor (M4)
** integration with formslib (M4)
** integration with repos (M4)
** problem: zip support
* File Serving:
** from pool:
*** file.php
*** pluginfile.php
*** draftfile.php
*** userfile.php
** from other moddata places:
*** rssfile.php
*** user/pix.php
*** user/pixgroup.php
* Migration:
** course files (as much as possible, allow fallback) (M2)
** moddata
**
* Backup & restore:


1) Will them be under the control of FileAPI (or, as they are now, fixed local storage)?
===Milestones===
M1: File storage API completed (this week)
M2: migration of course files + new filephp + FileManager + hacked old file manager (next monday)
M3: ...


- dataroot/temp
- dataroot/lang
- dataroot/cache
- dataroot/environment
- dataroot/filter
- dataroot/rss
- dataroot/search
- dataroot/sessions
- dataroot/upgradelogs


[[User:Martin Dougiamas|Martin Dougiamas]] 03:20, 28 April 2008 (CDT) : I don't see these as being in the API - I've updated the spec.


2) Assuming we'll have a cool OOP FileAPI...
===rssfile.php===
 
It's said that rss/file.php is kept only for backwards compatibility. But what exactly is meant by "backwards compatibility"?  
- a) Will it support different FileAPI classes (to be able to store in other systems) ?
Just display feeds with nice error messages and info how to re-subscribe?
- b) Will it support multiple FileAPI classes working together (like the Repo) ?
 
[[User:Martin Dougiamas|Martin Dougiamas]] 03:20, 28 April 2008 (CDT) : Hmm, I suppose it makes sense to switch the backend from local file storage to specify something else (eg database storage) but multiple File storage places doesn't make sense to me, that is the Repository API and the Portfolio API. 
 
3) I've annotated in red some things that have sounded strange in my first look.
 
[[User:Martin Dougiamas|Martin Dougiamas]] 03:20, 28 April 2008 (CDT) : Thanks, all fixed. 
 
4) Are we going to have "directory records" in the implementation, or that is going to be handled exclusively by the "moodlepath" column?
 
[[User:Martin Dougiamas|Martin Dougiamas]] 03:20, 28 April 2008 (CDT) : Good point.  I was thinking of moodlepath only but I wonder if directory records might be more efficient.  New table, I guess.
 
5) One general question... are we going to "force" all modules to be "autocontained" ? How are we going to handle resources, for example (with all those css, links, images..). In general how are we going to handle multiple-file packages?
 
[[User:Martin Dougiamas|Martin Dougiamas]] 03:20, 28 April 2008 (CDT) : they'll be a set of files, probably in a "directory" specified by moodlepath of directory record.  What problems do you see?  Should we retain better knowledge of the original group of files?
 
 
That's all for now, ciao4niao :-) [[User:Eloy Lafuente (stronk7)|Eloy Lafuente (stronk7)]] 21:27, 5 April 2008 (CDT)

Latest revision as of 21:02, 26 July 2008

Main tasks

  • File Storage API:
    • abstract (M1)
    • local pool implementation (M1)
    • DB schema (M1)
    • deletion, acls, metadata (M1)
    • problem: empty directories, file overwriting
  • File Manager API:
    • unique class, able to handle one "file area" (M2)
    • security (M2)
    • hack old file manager to be able to work with new fileareas (M3)
    • js and non js implementations of FileManager (M4)
    • integration with editor (M4)
    • integration with formslib (M4)
    • integration with repos (M4)
    • problem: zip support
  • File Serving:
    • from pool:
      • file.php
      • pluginfile.php
      • draftfile.php
      • userfile.php
    • from other moddata places:
      • rssfile.php
      • user/pix.php
      • user/pixgroup.php
  • Migration:
    • course files (as much as possible, allow fallback) (M2)
    • moddata
  • Backup & restore:

Milestones

M1: File storage API completed (this week) M2: migration of course files + new filephp + FileManager + hacked old file manager (next monday) M3: ...


rssfile.php

It's said that rss/file.php is kept only for backwards compatibility. But what exactly is meant by "backwards compatibility"? Just display feeds with nice error messages and info how to re-subscribe?

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