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Author SHA1 Message Date
Alan Orth
46cfc3ffbc CHANGELOG.md: Release version 0.3.2 v0.3.2 2018-09-25 13:14:08 +03:00
Alan Orth
2850035a4c Return HTTP 404 when an item id is not found 2018-09-25 13:12:53 +03:00
Alan Orth
c0b550109a README.md: Improve wording 2018-09-25 12:24:52 +03:00
Alan Orth
bfceffd84d indexer.py: Improve inline documentation 2018-09-25 12:23:31 +03:00
Alan Orth
d0552f5047 CHANGELOG.md: Move unreleased changes to version 0.3.1 v0.3.1 2018-09-25 12:18:26 +03:00
Alan Orth
c3a0bf7f44 CHANGELOG.md: Add Python 3.7 to Travis CI config 2018-09-25 12:17:49 +03:00
Alan Orth
6e47e9c9ee .travis.yml: Add Python 3.7 2018-09-25 12:17:20 +03:00
Alan Orth
cd90d618d6 CHANGELOG.md: Fix error in old release 2018-09-25 12:17:01 +03:00
Alan Orth
280d211d56 CHANGELOG.md: Add note about kazoo 2.5.0 2018-09-25 12:12:10 +03:00
Alan Orth
806d63137f requirements.txt: Use kazoo 2.5.0 
SolrClient 0.2.1 currently depends on kazoo 2.2.1, but there is an
issue with Python 3.7 in kazoo <= 2.5.0. Kazoo 2.5.0 fixes the is-
sue with Python 3.7, and for my limited usage of SolrClient it se-
ems to work fine.

See: https://github.com/moonlitesolutions/SolrClient/issues/79
 2018-09-25 12:08:28 +03:00
Alan Orth
f7c7390e4f README.md: Add note about Python 3.7 2018-09-25 12:07:58 +03:00
Alan Orth
702724e8a4 CHANGELOG.md: Move unreleased changes to version 0.3.0 v0.3.0 2018-09-25 11:38:36 +03:00
Alan Orth
36818d03ef CHANGELOG.md: Update unreleased changes 2018-09-25 11:37:56 +03:00
Alan Orth
4cf8656b35 Change / route to /items 
I think it's more obvious if the "all items" route is plural. Also,
this will allow me to eventually put documentation at the root.
 2018-09-25 11:34:07 +03:00
Alan Orth
f30a464cd1 README.md: Add notes about API endpoints 2018-09-25 11:28:12 +03:00
Alan Orth
93ae12e313 README.md: Update introduction 2018-09-25 11:15:12 +03:00
Alan Orth
dc978e9333 CHANGELOG.md: Add note about requirements.txt and Travis CI 2018-09-25 11:09:02 +03:00
Alan Orth
295436fea0 Add .travis.yml 2018-09-25 11:08:01 +03:00
Alan Orth
46a1476ab0 Add requirements.txt 
Generated with `pip freeze`. This is so I can pin the versions of
packages that I've tested with as well as to allow Travis to test
whether the project runs on various Pythons and to let GitHub in-
form me of vulnerabilities in some libraries.
 2018-09-25 11:02:50 +03:00
Alan Orth
87dbb6c4df CHANGELOG.md: Release version 0.2.1 v0.2.1 2018-09-25 02:21:44 +03:00
Alan Orth
3160c44566 app.py: Remove comment 
This comment was added when I first began the application and the
testing status is documented in the README now.
 2018-09-25 02:20:51 +03:00
Alan Orth
4b72f626d9 Update string substitution format 
Instead of doing numbered strings I will just depend on the order,
at least to be consistent.
 2018-09-25 02:19:29 +03:00
Alan Orth
2d3b7620e3 CHANGELOG.md: Add note about psycopg2.extras.DictCursor 2018-09-25 02:08:54 +03:00
Alan Orth
6e4bc630f7 database.py: Use psycopg2.extras.DictCursor 
This allows us to access records using their column name. I didn't
notice that this was not working, as I had been testing the wrong
server!

See: http://initd.org/psycopg/docs/extras.html
 2018-09-25 02:06:29 +03:00
Alan Orth
44884140e5 CHANGELOG.md: Add new unreleased changes 2018-09-25 01:11:37 +03:00
Alan Orth
74ff86ee3b contrib: Update environment settings in system units 2018-09-25 01:10:14 +03:00
Alan Orth
3327884f21 Update docs to remove SQLite stuff 
I've decided to use PostgreSQL instead of SQLite because the UPSERT
support is available in versions of PostgreSQL we're alread running,
whereas SQLite needs a VERY new (3.24.0) version that is not avail-
able on any recent long-term support Ubuntu releases.
v0.2.0 		2018-09-25 00:56:01 +03:00
Alan Orth
8f7450f67a Use PostgreSQL instead of SQLite 
I was very surprised how easy and fast and robust SQLite was, but in
the end I realized that its UPSERT support only came in version 3.24
and both Ubuntu 16.04 and 18.04 have older versions than that! I did
manage to install libsqlite3-0 from Ubuntu 18.04 cosmic on my xenial
host, but that feels dirty.

PostgreSQL has support for UPSERT since 9.5, not to mention the same
nice LIMIT and OFFSET clauses.
 2018-09-25 00:49:47 +03:00
Alan Orth
28d61fb041 README.md: Add notes about Python and SQLite versions 2018-09-24 17:26:48 +03:00
Alan Orth
cbc98991b4 CHANGELOG.md: Move unreleased notes to version 0.1.0 v0.1.0 2018-09-24 16:14:14 +03:00
Alan Orth
6c28be0463 README.md: Add note about route for all items 2018-09-24 16:13:26 +03:00
Alan Orth
42e8f17305 CHANGELOG.md: Add note about route for all items 2018-09-24 16:13:05 +03:00
Alan Orth
19a45f3f6f app.py: Add route to page through all item statistics 
This route exposes all item statistics and uses the limit and offset
parameters to control paging throug the result set. The logic here
is extremely easy thanks to the brilliant LIMIT and OFFSET features
of SQLite (of course the SQL query sorts the results by some unique
field to ensure the order is already the same).
 2018-09-24 16:07:26 +03:00
Alan Orth
505ef31101 CHANGELOG.md: Add note about UPSERT 2018-09-24 14:31:05 +03:00
Alan Orth
1543cacc54 app.py: Update SQL logic to use single table 
The indexer.py script was updated to use a single table because I
learned about UPSERT. This simplifies the database schema and the
Python logic, and makes it easier to page all views and downloads
at once without complicated JOIN queries.
 2018-09-24 14:28:00 +03:00
Alan Orth
2cab456f16 indexer.py: Use single items table with UPSERT 
I was using two separate tables for item views and downloads without
realizing that SQLite didn't support FULL OUTER JOIN, which would be
needed to get views and downloads for a given item in a single query.

Instead I can use one table with a default value of 0 for both views
and downloads, and then use "UPSERT" to populate the statistics. This
is a newish SQL concept that allows you to attempt an INSERT and then
specify an action to perform in case of conflict. This works well in
SQLite and actually simplifies my Python logic greatly!

Note that the "excluded" table qualifier is a special keyword that
allows you to reference the value that would have been inserted.

See: https://www.sqlite.org/lang_UPSERT.html
 2018-09-24 14:19:50 +03:00
Alan Orth
53615dea2d indexer.py: Add license and documentation 2018-09-24 09:18:50 +03:00
Alan Orth
2d8d1e6833 README.md: Add TODO for nonexistent items 2018-09-24 00:48:02 +03:00
Alan Orth
e26e595ea1 README.md: Add more TODOs 2018-09-24 00:35:00 +03:00
Alan Orth
a9151b5bbf CHANGELOG.md: Update unreleased notes 2018-09-24 00:30:58 +03:00
Alan Orth
76833d6f5f contrib: Update some old CGSpace references to DSpace 2018-09-24 00:30:26 +03:00
Alan Orth
a51422273c Remove SOLR_CORE configuration variable 
This parameter is not customizable. All DSpace instances use this
name for the Solr statistics core.
 2018-09-24 00:20:54 +03:00
Alan Orth
89621af85d Split database access into RW and RO 
The indexer need to be able to write to the database, but the API only
needs to read it.
 2018-09-24 00:00:05 +03:00
Alan Orth
c554404d7f CHANGELOG.md: Add systemd units for indexer 2018-09-23 23:15:27 +03:00
Alan Orth
90d7a452bd contrib: Add systemd units for indexer 
An example systemd service unit for the indexer and an accompanying
timer unit.
 2018-09-23 23:13:43 +03:00
Alan Orth
431a1c9d64 CHANGELOG.md: Add unreleased changes 2018-09-23 23:04:01 +03:00
Alan Orth
e1b9d1284f Rename project to DSpace Statistics API 
At first I called it "CGSpace" because I was making it specifically
for our CGSpace DSpace repository, but the potential here is bigger
than that!
 2018-09-23 23:02:21 +03:00
Alan Orth
bac764a0a4 CHANGELOG.md: Move entries to version 0.0.4 v0.0.4 2018-09-23 16:49:25 +03:00
Alan Orth
1a650e57c0 CHANGELOG.md: Update unreleased features 2018-09-23 16:48:39 +03:00
Alan Orth
2db5e02be9 Add indexer.py 
Standalone script to ingest item views and downloads from Solr into
SQLite.
 2018-09-23 16:47:48 +03:00