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Author SHA1 Message Date
Chad Little
972c363a21 Modernize Fact a bit
Summary: Remove AphrontPanels, use standard UI, test for mobile, add phts

Test Plan: Faked a few facts for layout purposes.

Reviewers: btrahan, epriestley

Reviewed By: epriestley

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11960
2015-03-03 13:48:30 -08:00
Chad Little
c038c643f4 Move PHUIErrorView to PHUIInfoView
Summary: Since this element isn't strictly about errors, re-label as info view instead.

Test Plan: Grepped for all callsites, tested UIExamples and a few other random pages.

Reviewers: btrahan, epriestley

Reviewed By: epriestley

Subscribers: hach-que, Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11867
2015-03-01 14:45:56 -08:00
Chad Little
3da38c74da PHUIErrorView
Summary: Clean up the error view styling.

Test Plan:
Tested as many as I could find, built additional tests in UIExamples

{F280452}

{F280453}

Reviewers: btrahan, epriestley

Reviewed By: epriestley

Subscribers: hach-que, Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11605
2015-02-01 20:14:56 -08:00
Chad Little
8b06804394 Remove getIconName from all applications
Summary: Not used anymore

Test Plan: grep for 'getIconName'

Reviewers: btrahan, epriestley

Reviewed By: epriestley

Subscribers: hach-que, Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11582
2015-01-30 12:11:21 -08:00
Chad Little
7140e23b50 Updates 2015-01-25 08:01:28 -08:00
Chad Little
5d8bb61dde Add FontIcon bridge to AppIcons
Summary: Select a similar or better FontAwesome icon to represent each application

Test Plan: Visual inspection

Reviewers: epriestley, btrahan

Subscribers: hach-que, Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11489
2015-01-24 23:43:01 -08:00
Joshua Spence
daadf95537 Fix visibility of PhutilArgumentWorkflow::didConstruct methods
Summary: Ref T6822.

Test Plan: `grep`. This method is only called from within `PhutilArgumentWorkflow::__construct`.

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: Korvin, epriestley

Maniphest Tasks: T6822

Differential Revision: https://secure.phabricator.com/D11415
2015-01-16 07:42:07 +11:00
Joshua Spence
62dfcd1e55 Fix the visibility of PhutilDaemon::run methods
Summary: Ref T6822. This method is only called from `PhutilDaemon::execute()` and can be made `protected`.

Test Plan: See D11404.

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: Korvin, epriestley

Maniphest Tasks: T6822

Differential Revision: https://secure.phabricator.com/D11405
2015-01-16 06:59:29 +11:00
Joshua Spence
d6b882a804 Fix visiblity of LiskDAO::getConfiguration()
Summary: Ref T6822.

Test Plan: `grep`

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: hach-que, Korvin, epriestley

Maniphest Tasks: T6822

Differential Revision: https://secure.phabricator.com/D11370
2015-01-14 06:54:13 +11:00
Joshua Spence
3cf9a5820f Minor formatting changes
Summary: Apply some autofix linter rules.

Test Plan: `arc lint` and `arc unit`

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: epriestley, Korvin, hach-que

Differential Revision: https://secure.phabricator.com/D10585
2014-10-08 08:39:49 +11:00
epriestley
8fa8415c07 Automatically build all Lisk schemata
Summary:
Ref T1191. Now that the whole database is covered, we don't need to do as much work to build expected schemata. Doing them database-by-database was helpful in converting, but is just reudndant work now.

Instead of requiring every application to build its Lisk objects, just build all Lisk objects.

I removed `harbormaster.lisk_counter` because it is unused.

It would be nice to autogenerate edge schemata, too, but that's a little trickier.

Test Plan: Database setup issues are all green.

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: epriestley, hach-que

Maniphest Tasks: T1191

Differential Revision: https://secure.phabricator.com/D10620
2014-10-02 09:51:20 -07:00
epriestley
300172e799 Support AUTO_INCREMENT in bin/storage adjust
Summary:
Ref T1191. When changing the column type of an AUTO_INCREMENT column, we currently may lose the autoincrement attribute.

Instead, support it. This is a bit messy because AUTO_INCREMENT columns interact with PRIMARY KEY columns (tables may only have one AUTO_INCREMENT column, and it must be a primary key). We need to migrate in more phases to avoid this issue.

Introduce new `auto` and `auto64` types to represent autoincrement IDs.

Test Plan:
  - Saw autoincrement show up correctly in web UI.
  - Fixed an autoincrement issue on the XHProf storage table with `bin/storage adjust` safely.

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: epriestley

Maniphest Tasks: T1191

Differential Revision: https://secure.phabricator.com/D10607
2014-10-01 08:24:51 -07:00
epriestley
0d7489da79 Provide bin/storage quickstart to automate generation of quickstart.sql
Summary:
Ref T1191. Currently, the `quickstart.sql` gets generated in a pretty manual fashion. This is a pain, and will become more of a pain in the world of utf8mb4.

Provide a workflow which does upgrade + adjust + dump + destroy, then massages the output to produce a workable `quickstart.sql`.

Test Plan: Inspected output; I'll test this more throughly before actually generating a new quickstart, but that's some ways away.

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: epriestley

Maniphest Tasks: T1191

Differential Revision: https://secure.phabricator.com/D10603
2014-10-01 08:22:37 -07:00
epriestley
dc8b2ae6d2 Generate expected schemata for Fact, Owners, Herald and Diviner
Summary:
Ref T1191. Notable:

  - `HeraldApplyTranscript` is not actually a DAO and has no table (it is serialized into HeraldTranscript).

Test Plan: Down to fewer than 300 issues.

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: epriestley

Maniphest Tasks: T1191

Differential Revision: https://secure.phabricator.com/D10588
2014-10-01 07:53:12 -07:00
epriestley
298604c9d3 Rename "beta" to "prototype" and document support policy
Summary:
Fixes T6084. Changes:

  - Rename `phabricator.show-beta-applications` to `phabricator.show-prototypes`, to reinforce that these include early-development applications.
  - Migrate the config setting.
  - Add an explicit "no support" banner to the config page.
  - Rename "Beta" to "Prototype" in the UI.
  - Use "bomb" icon instead of "half star" icon.
  - Document prototype applications in more detail.
  - Explicitly document that we do not support these applications.

Test Plan:
  - Ran migration.
  - Resolved "obsolete config" issue.
  - Viewed config setting.
  - Browsed prototypes in Applications app.
  - Viewed documentation.

Reviewers: chad, btrahan

Reviewed By: btrahan

Subscribers: epriestley, hach-que

Maniphest Tasks: T6084

Differential Revision: https://secure.phabricator.com/D10493
2014-09-17 18:25:57 -07:00
Joshua Spence
0151c38b10 Apply some autofix linter rules
Summary: Self-explanatory.

Test Plan: Eyeball it.

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: epriestley, Korvin

Differential Revision: https://secure.phabricator.com/D10454
2014-09-10 06:55:05 +10:00
epriestley
9309723ac4 Send graceful shutdown signals to daemons in Phabricator
Summary:
Fixes T5855. Adds a `--graceful N` flag to `phd stop` and `phd restart`.

`phd` will send SIGINT, wait `N` seconds, SIGTERM, wait 15 seconds, and SIGKILL. By default, `N` is 15.

Test Plan:
  - Ran `bin/phd debug ...` and used `^C` to interrupt daemons. Saw graceful shutdown behavior, and abrupt termination on multiple `^C`.
  - Ran `bin/phd start`, `bin/phd stop` and `bin/phd restart` with `--graceful` set to various things, notably `0`. Saw graceful shutdowns on the CLI and in the web UI. With `0`, abrupt shutdowns.

Reviewers: btrahan, hach-que

Reviewed By: hach-que

Subscribers: epriestley

Maniphest Tasks: T5855

Differential Revision: https://secure.phabricator.com/D10228
2014-08-11 20:18:31 -07:00
Joshua Spence
86c399b657 Rename PhabricatorApplication subclasses
Summary: Ref T5655. Some discussion in D9839. Generally speaking, `Phabricator{$name}Application` is clearer than `PhabricatorApplication{$name}`.

Test Plan:
# Pinned and uninstalled some applications.
# Applied patch and performed migrations.
# Verified that the pinned applications were still pinned and that the uninstalled applications were still uninstalled.
# Performed a sanity check on the database contents.

Reviewers: btrahan, epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: hach-que, epriestley, Korvin

Maniphest Tasks: T5655

Differential Revision: https://secure.phabricator.com/D9982
2014-07-23 10:03:09 +10:00
epriestley
ca6bd26475 Set device to false for all pages which don't specify device readiness
Summary:
Ref T5446.

  - For all callsites which do not specify a value, set `false` explicitly.
  - Make `true` the default.

Test Plan: Used `grep`, then manually went through everything.

Reviewers: chad

Reviewed By: chad

Subscribers: epriestley

Maniphest Tasks: T5446

Differential Revision: https://secure.phabricator.com/D9687
2014-06-23 15:15:11 -07:00
Joshua Spence
0a62f13464 Change double quotes to single quotes.
Summary: Ran `arc lint --apply-patches --everything` over rP, mainly to change double quotes to single quotes where appropriate. These changes also validate that the `ArcanistXHPASTLinter::LINT_DOUBLE_QUOTE` rule is working as expected.

Test Plan: Eyeballed it.

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: epriestley, Korvin, hach-que

Differential Revision: https://secure.phabricator.com/D9431
2014-06-09 11:36:50 -07:00
epriestley
81d95cf682 Make default view of "Applications" app a full-page launcher
Summary:
This probably needs some tweaks, but the idea is to make it easier to browse and access applications without necessarily needing them to be on the homepage.

Open to feedback.

Test Plan:
(This screenshot merges "Organization", "Communication" and "Core" into a single "Core" group. We can't actually do this yet because it wrecks the homepage.)

{F160052}

Reviewers: btrahan, chad

Reviewed By: chad

Subscribers: epriestley

Maniphest Tasks: T5176

Differential Revision: https://secure.phabricator.com/D9297
2014-05-29 12:17:54 -07:00
epriestley
ba6a5dae61 Make "Facts" publicly viewable
Summary: Ref T4830. Also deletes some very obsolete code.

Test Plan: Looked at Facts as logged out user.

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: epriestley

Maniphest Tasks: T4830

Differential Revision: https://secure.phabricator.com/D9177
2014-05-19 12:39:00 -07:00
epriestley
e397103bf2 Extend all "ManagementWorkflow" classes from a base class
Summary:
Ref T2015. Not directly related to Drydock, but I've wanted to do this for a bit.

Introduce a common base class for all the workflows in the scripts in `bin/*`. This slightly reduces code duplication by moving `isExecutable()` to the base, but also provides `getViewer()`. This is a little nicer than `PhabricatorUser::getOmnipotentUser()` and gives us a layer of indirection if we ever want to introduce more general viewer mechanisms in scripts.

Test Plan: Lint; ran some of the scripts.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T2015

Differential Revision: https://secure.phabricator.com/D7838
2013-12-27 13:15:40 -08:00
epriestley
ef7f16180c Restore merge of phutil_tag. 2013-02-13 14:51:18 -08:00
epriestley
73cce6e131 Revert "Promote phutil-tag again"
This reverts commit 8fbabdc06d, reversing
changes made to 2dab1c1e42.
2013-02-13 14:08:57 -08:00
vrana
9b8da73765 Convert AphrontTableView to safe HTML
Summary:
Lots of killed `phutil_escape_html()`.

Done by searching for `AphrontTableView` and then `$rows` (usually) backwards.

Test Plan:
Looked at homepage.

  echo id(new AphrontTableView(array(array('<'))))->render();

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D4884
2013-02-09 15:11:38 -08:00
vrana
059920c2da Convert AphrontErrorView to safe HTML
Summary: Done by searching for `AphrontErrorView` and then `appendChild()`.

Test Plan:
Looked at Commit Detail.
Looked at Revision Detail.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Maniphest Tasks: T2432

Differential Revision: https://secure.phabricator.com/D4843
2013-02-07 17:26:01 -08:00
vrana
20768d65d5 Convert phutil_render_tag(X, Y, '...') to phutil_tag
Summary:
Created with spatch:

  lang=diff
  - phutil_render_tag
  + phutil_tag
    (X, Y, '...')

Then searched for `&` and `<` in the output and replaced them.

Test Plan: Loaded homepage.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D4503
2013-01-24 19:20:27 -08:00
Lauri-Henrik Jalonen
2a6060a763 Added beta status for applications
Summary: Fixes T2338

Test Plan: bjhb

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin, chad

Maniphest Tasks: T2338

Differential Revision: https://secure.phabricator.com/D4529
2013-01-19 10:31:28 -08:00
epriestley
f306cab653 Use application icons for "Eye" menu and Crumbs
Summary:
Issues here:

  - Need an application-sized "eye", or a "home" icon for "Phabricator Home".
  - Some of the "apps_lb_2x" sliced images are the "_dark_" versions, not the light versions.
  - If you slice an application-sized "logout" (power off) icon and application-sized "help" (questionmark in circle) icon I can replace the current menu icons and nearly get rid of "autosprite".
  - To replace the icons on /applications/, the non-retina size is "4x", so we'd need "8x" for retina. Alternatively I can reduce the icon sizes by 50%.
  - The "Help", "Settings" and "Logout" items currently have a "glowing" hover state, which needs a variant (or we can drop it).
  - The /applications/ icons have a white hover state (or we can drop it).
  - The 1x application (14x14) icons aren't used anywhere right now, should they be? Maybe in the feed in the future, etc?
  - The "apps-2x" and "apps-large" sheets are the same image, but getting them to actually use the same file is a bit tricky, so I just left them separate for now.

Test Plan:
{F26698}
{F26699}

Reviewers: chad

Reviewed By: chad

CC: aran

Maniphest Tasks: T1960

Differential Revision: https://secure.phabricator.com/D4108
2012-12-07 13:37:28 -08:00
vrana
ef85f49adc Delete license headers from files
Summary:
This commit doesn't change license of any file. It just makes the license implicit (inherited from LICENSE file in the root directory).

We are removing the headers for these reasons:

- It wastes space in editors, less code is visible in editor upon opening a file.
- It brings noise to diff of the first change of any file every year.
- It confuses Git file copy detection when creating small files.
- We don't have an explicit license header in other files (JS, CSS, images, documentation).
- Using license header in every file is not obligatory: http://www.apache.org/dev/apply-license.html#new.

This change is approved by Alma Chao (Lead Open Source and IP Counsel at Facebook).

Test Plan: Verified that the license survived only in LICENSE file and that it didn't modify externals.

Reviewers: epriestley, davidrecordon

Reviewed By: epriestley

CC: aran, Korvin

Maniphest Tasks: T2035

Differential Revision: https://secure.phabricator.com/D3886
2012-11-05 11:16:51 -08:00
epriestley
cd9d78c107 Allow Fact analysis of commits
Summary: For immutable objects, just use the ID as a cursor.

Test Plan:
  - Analyzed commits from an empty cursor.
  - Checked that cursor was good.
  - Pulled some more commits.
  - Analyzed commits again, verified it only hit the new ones.
  - Verified the graph of "Count of CMIT" looked reasonable.

Reviewers: vrana

Reviewed By: vrana

CC: aran

Maniphest Tasks: T1866

Differential Revision: https://secure.phabricator.com/D3656
2012-10-08 13:27:06 -07:00
epriestley
78784aa1fe Group applications into groups on /applications/
Summary: So they're maybe a little easier to deal with? I'm going to take this formally to "plz @chad plz help" land.

Test Plan: {F20329}

Reviewers: btrahan, vrana, chad

Reviewed By: vrana

CC: aran

Differential Revision: https://secure.phabricator.com/D3609
2012-10-03 15:46:19 -07:00
epriestley
012370c6ab Use sprites for (nearly) all application icons
Summary: Sprites for everyone.

Test Plan: Loaded `/applications/`.

Reviewers: btrahan, chad, vrana

Reviewed By: vrana

CC: aran

Maniphest Tasks: T1569

Differential Revision: https://secure.phabricator.com/D3280
2012-08-14 14:23:55 -07:00
vrana
f841491524 Use Lisk sets in fact update iterator
Summary:
Fact engines loading dependent objects are super slow because they load them one by one.
This diff put each page in a Lisk set allowing engines to use `loadRelatives()`.

It also introduces `clearSet()` method which is somewhat neccessary in PHP < 5.3 or with disabled cyclic [[ http://php.net/gc | GC ]].

Test Plan:
  $iterator = new PhabricatorFactUpdateIterator(new DifferentialRevision());
  foreach ($iterator as $revision) {
    $diffs = $revision->loadRelatives(new DifferentialDiff(), 'revisionID');
    echo memory_get_usage() . "\n";
  }

Experienced not-steadily-increasing memory usage and much faster loading.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D3247
2012-08-13 10:26:17 -07:00
epriestley
194dc40672 Add a meta-application
Summary:
  - Adds a new "Applications" application.
  - Builds an application list via application config instead of via hard-coding, so we can move toward better concepts of installing/uninstalling applications, etc.
  - Applications indicate that they need attention with notice counts and brief status messages rathern than 50 giant tables of all sorts of app data.

I want to try replacing the home screen with this screen, pretty much. Not sure if this is totally crazy or not. What does everyone else think?

Test Plan: Will add screenshots.

Reviewers: btrahan, chad, vrana, alanh

Reviewed By: vrana

CC: aran, davidreuss, champo

Maniphest Tasks: T1569

Differential Revision: https://secure.phabricator.com/D3129
2012-08-02 14:07:21 -07:00
vrana
9a19cfb9de Limit amount of chart data passed to browser
Summary:
Firefox has a limit of ~500,000 elements which can be passed in literal array.
This amount of data is meaningless anyway because even Retina displays don't have such resolution.

Limit the amount of data to mitigate browser limitations and also reduce the page size.
Ensure that first and last element is passed.

I considered also reducing the granularity to days but I want new repositories to have nice precise graph.

Test Plan: Displayed the chart in Firefox.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D3134
2012-08-02 10:53:20 -07:00
epriestley
b37ea91a69 Fix feedback from D3098.
Auditors: vrana
2012-07-30 13:42:48 -07:00
epriestley
9fd2b37593 Minor, feedback from D3098.
Auditors: btrahan
2012-07-30 10:44:48 -07:00
epriestley
fceabd42e8 Allow Fact app to draw charts
Summary: For any count fact, allow a chart to be drawn. INCREDIBLY POWERFUL DATA ANALYSIS PLATFORM.

Test Plan: Drew a chart of object counts. Drew the Maniphest burn chart.

Reviewers: vrana, btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T1562

Differential Revision: https://secure.phabricator.com/D3099
2012-07-30 10:44:08 -07:00
epriestley
f0af273165 Add FactCursors and application fact datasources
Summary:
  - Add PhabricatorApplication. This is a general class that I have grand designs for, but used here to allow applications to provide objects for analysis by the facts appliction.
  - Add FactCursors, to keep track of where iterators are.
  - Make the daemon do something sort of useful.
  - Add `bin/fact cursors` for showing and managing objects and cursors.
  - Add some options to `bin/fact analyze`.

Test Plan:
  - `bin/fact cursors`, `bin/fact cursors --reset DifferentialRevision`, `bin/fact cursors --reset X`
  - `bin/fact analyze`, `bin/fact analyze --all`, `bin/fact analyze --iterator DifferentialRevision --skip-aggregates`
  - `bin/phd debug fact`

Reviewers: vrana, btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T1562

Differential Revision: https://secure.phabricator.com/D3098
2012-07-30 10:43:49 -07:00
epriestley
f652123c5a Add PhabricatorFactSpec, for naming and formatting facts
Summary: Not totally sure about this but I think it's okay?

Test Plan: Loaded /fact/, got a more readable page.

Reviewers: vrana, btrahan

Reviewed By: vrana

CC: aran

Maniphest Tasks: T1562

Differential Revision: https://secure.phabricator.com/D3090
2012-07-27 17:29:44 -07:00
epriestley
486f7c1e8e Add aggregated facts to the Facts application
Summary:
Some facts are aggregations of other facts. For example, we may compute how many times each macro is used in each object as a "raw fact":

  Dnnn uses macro "psyduck" 6 times.

But we want to present this data in aggregate form, e.g. "order macros by popularity". We can do this at runtime and it probably won't be too awful a query, but we can also aggregate it cheaply:

  Macro "psyduck" is used 3920 times across all objects.

...and then do a query like "select macros ordered by usage".

"Aggregate" facts support facts like this. The aggregate facts I've implemented are:

  - Count of all objects.
  - Count of objects of type X.
  - Last time facts were updated.

These clearly fit the "aggregate" facts template well. I'm not 100% sure macros do. We can use this table to answer a question like "What are the most popular macros, ordered by use?" We can also use it to answer a question like "What are the most popular macros in the last 6 months?", if we build a specific fact for that. But we can't use it to answer a question like "What are the most popular macros between times X and Y?". Maybe that's important; maybe not.

This seems like a good fit for at least some types of facts.

I'll de-magic the keys a bit in the next diff.

Test Plan: Ran the engines and got some aggregated facts about other facts.

Reviewers: vrana, btrahan

Reviewed By: vrana

CC: aran

Maniphest Tasks: T1562

Differential Revision: https://secure.phabricator.com/D3089
2012-07-27 13:46:01 -07:00
epriestley
7c934e4176 Add a basic "fact" application
Summary:
Basic "Fact" application with some storage, part of a daemon, and a control binary.

= Goals =

The general idea is that we have various statistics we'd like to compute, like the frequency of image macros, reviewer responsiveness, task close rates, etc. Computing these on page load is expensive and messy. By building an ETL pipeline and running it in a daemon, we can precompute statistics and just pull them out of "stats" tables.

One way to do this is just to completely hard-code everything, e.g. have a daemon that runs every hour which issues a big-ass query and dumps results into a table per-fact or per fact-group. But this has a bunch of drawbacks: adding new stuff to the pipeline is a pain, various fact aggregators can't share much code, updates are slow and expensive, we can never build generic graphs on top of it, etc.

I'm hoping to build an ETL pipeline which is generic enough that we can use it for most things we're interested in without needing schema changes, and so that installs can use it also without needing schema changes, while still being specific enough that it's fast and we can build useful stuff on top of it. I'm not sure if this will actually work, but it would be cool if it does so I'm starting pretty generally and we'll see how far I get. I haven't built this exact sort of thing before so I might be way off.

I'm basing the whole thing on analyzing entire objects, not analyzing changes to objects. So each part of the pipeline is handed an object and told "analyze this", not handed a change. It pretty much deletes all the old data about that thing and then writes new data. I think this is simpler to implement and understand, and it protects us from all sorts of weird issues where we end up with some kind of garbage in the DB and have to wipe the whole thing.

= Facts =

The general idea is that we extract "facts" out of objects, and then the various view interfaces just report those facts. This change has on type of fact, a "raw fact", which is directly derived from an object. These facts are concerete and relate specifically to the object they are derived from. Some examples of such facts might be:

  D123 has 9 comments.
  D123 uses macro "psyduck" 15 times.
  D123 adds 35 lines.
  D123 has 5 files.
  D123 has 1 object.
  D123 has 1 object of type "DREV".
  D123 was created at epoch timestamp 89812351235.
  D123 was accepted by @alincoln at epoch timestamp 8397981839.

The fact storage looks like this:

  <factType, objectPHID, objectA, valueX, valueY, epoch>

Currently, we supprot one optional secondary key (like a user PHID or macro PHID), two optional integer values, and an optional timestamp. We might add more later. Each fact type can use these fields if it wants. Some facts use them, others don't. For instance, this diff adds a "N:*" fact, which is just the count of total objects in the system. These facts just look like:

  <"N:*", "PHID-xxxx-yyyy", ...>

...where all other fields are ignored. But some of the more complex facts might look like:

  <"DREV:accept", "PHID-DREV-xxxx", "PHID-USER-yyyy", ..., ..., nnnn> # User 'yyyy' accepted at epoch 'nnnn'.
  <"FILE:macro", "PHID-DREV-xxxx", "PHID-MACR-yyyy", 17, ..., ...> # Object 'xxxx' uses macro 'yyyy' 17 times.

Facts have no uniqueness constraints. For @vrana's reviewer responsiveness stuff, we can insert multiple rows for each reviewer, e.g.

  <"DREV:reviewed", "PHID-DREV-xxxx", "PHID-USER-yyyy", nnnn, ..., mmmm> # User 'yyyy' reviewed revision 'xxxx' after 'nnnn' seconds at 'mmmm'.

The second value (valueY) is mostly because we need it if we sample anything (valueX = observed value, valueY = sample rate) but there might be other uses. We might need to add "objectB" at some point too -- currently we can't represent a fact like "User X used macro Y on revision Z", so it would be impossible to compute macro use rates //for a specific user// based on this schema. I think we can start here though and see how far we get.

= Aggregated Facts =

These aren't implemented yet, but the idea is that we can then take the "raw facts" and compute derived/aggregated/rollup facts based on the raw fact table. For example, the "count" fact can be aggregated to arrive at a count of all objects in the system. This stuff will live in a separate table which does have uniqueness constraints, and come in the next diff.

We might need some kind of time series facts too, not sure about that. I think most of our use cases today are covered by raw facts + aggregated facts.

Test Plan: Ran `bin/fact` commands and verified they seemed to do reasonable things.

Reviewers: vrana, btrahan

Reviewed By: vrana

CC: aran, majak

Maniphest Tasks: T1562

Differential Revision: https://secure.phabricator.com/D3078
2012-07-27 13:34:21 -07:00