Kevin Mok
de93bd7b0a
Store counts for genres in Genre model
Have not assigned most common genre to Track models yet (currently
blank).
7 years ago
e614b373df
Fix program crash when AudioFeatures is missing
Fixes #32 . AudioFeatures object query is now wrapped in a try/except
block to account for the scenario where the object doesn't exist.
7 years ago
Kevin Mok
9875cbeb68
Moved script to create genre graph to static file
- sorted artists in bar by most to least, bottom to top
- wrap x-axis labels by bar width
- increased track name length (program crashed on a track name)
7 years ago
Kevin Mok
f71ba20116
Fixed bars not being at right height
Avoided artist breakdown overflowing total tracks in genre by only
adding artists while running tally is less than total.
7 years ago
Kevin Mok
162b2dad37
Setup color range for bars
Included a script to generate attractive colors.
7 years ago
Kevin Mok
2342e6ef49
Initial setup of stacked bar chart for genres
Bunch of issues with it that still need to be fixed.
7 years ago
Kevin Mok
7b968c9d86
Include artist breakdown in get_genre_data
8 years ago
4698663a85
Rewrite generate_random_string()
Rewrote generate_random_string() in a more Pythonic fashion.
8 years ago
3e35e52f45
Retrieve audio feature data from frontend
Added user_secret field to User. Set up a basic JavaScript function for
querying audio feature data from the frontend.
8 years ago
9d43048067
Clean up views.py and utils.py further
views.py and utils.py were cleaned up further to remove any obsolete usage of
library_stats.
8 years ago
Kevin Mok
ea5990d048
Fixed duplicate key error in save_track_obj
Can't create Track object without the artists/user so get_or_create
doesn't work properly.
8 years ago
ef7933fb67
Delete 0003_auto_20180608_2007.py
8 years ago
d995a15444
Delete 0002_auto_20180608_2002.py
8 years ago
53f78853d9
Delete 0001_initial.py
8 years ago
92d5d174e8
Modify maximum field length
Artist.genre and Track.name had maximum lengths that were not long enough, now increased.
8 years ago
fd7a031bf2
Fix incorrect usage of update()
update() is a QuerySet method. To update a single object, use save().
8 years ago
0e69d3d190
Removed test_db.js
8 years ago
90dbda4336
Removed UserAudioSummary class
8 years ago
797115e9cb
Clean up utils.py to use database
Uses of the original library_stats dictionary in utils.py were either removed or commented out, replaced by the saving of models into the database.
8 years ago
Kevin Mok
79aedc655d
Trying to pass artist data from db to frontend
8 years ago
b66cf1dd87
Delete all migrations and start anew
Deleted all migrations and started anew to incorporate changes in models.
8 years ago
Kevin Mok
62cc6c8ccd
Setup AudioFeatures table
8 years ago
Kevin Mok
cdcc33c014
Setup Track table, modified models to data
Recreated migrations from scratch to fix bug with initializing Track
objects.
8 years ago
27718743d7
Change artists field in Track
artists is now a ManyToManyField in Track, which is cleaner than
using a unique_together clause in the Meta class.
8 years ago
b735887899
Bug fixes
Server crashes as of the last commit, now fixed.
8 years ago
Kevin Mok
549af96db7
Setup Artist table
Removed printing of library_stats.
8 years ago
248e9b0ab6
Change database settings
Edited settings.py to use PostgreSQL. Made some minor changes
in views.py to incorporate the new models.
8 years ago
Kevin Mok
e07fd0965a
Added Vim folds to models.py and utils.py
8 years ago
e5151a1b92
Add user_data.js
Script will be used to obtain data from server for D3 consumption.
8 years ago
003c630dd4
Fix audio feature analysis missing bug
Added error checking for missing audio features in the Spotify database.
8 years ago
f52e88f83a
Start implementing AJAX
Problem with cross origin requests, need to do more research.
8 years ago
a508337363
Fix import in tests.py
tests.py was importing update_std_dev() from views.py (where the function was prior to
the refactor), now fixed.
8 years ago
Kevin Mok
53b7bb5d41
Started on (flawed) database models
8 years ago
Kevin Mok
c831e5b9a8
Initial design for database
Before considering Django models.
8 years ago
e01331f951
Process library_stats
library_stats is now processed into a format that's more easily consumed
by D3. Need to finalize format for popularity data.
8 years ago
46df571855
Compute the average and std_dev for popularity
Modified the structure and code in utils.py so that library_stats now
has a record of the mean and standard deviation of popularity.
8 years ago
c9de0395a4
Refactor helper functions in views.py
Refactored helper functions in views.py into utils.py. Instead of having
a global dictionary object for user library data, helper functions now
mutate a dictionary passed in as a parameter.
8 years ago
3a733e18b3
Added one more test for update_std_dev()
8 years ago
c6c4897ce0
Added four tests for update_std_dev()
8 years ago
Kevin Mok
96b7bfb2bb
Display genre counts on user_data page
Able to pass dict info successfully from backend to webpage.
8 years ago
4b263532d1
Added missing space on line #222
8 years ago
Kevin Mok
6e1671b0f2
Fixed improper retrieval of value from API JSON
8 years ago
ec3fb3f959
Fix get_audio_features() bug
Fixed bug where the parameters passed in the wrong order for
get_audio_features().
8 years ago
4066c96c94
Changed signature of get_audio_features() for consistency
Switched around the ordering of the parameters so that they are
consistent with other data acquisition helper functions.
8 years ago
a5780387e1
Made minor changes to variable names
8 years ago
d7002f7571
Implement audio feature statistics calculation
Implemented the calculation average and standard deviation of audio features.
8 years ago
bbc713e729
Implement audio feature helper functions
Implemented helper functions for updating audio feature statistics.
8 years ago
7b153649bf
Implement online standard deviation algorithm
Implemented Welford's method for calculating standard deviation as data
points arrive.
8 years ago
Kevin Mok
f94a861b84
Calculate genre counts once for each artist ( #1 )
Versus last commit that incremented genres every track. Also now only
stores ID for artist rather than all their genres.
8 years ago
Kevin Mok
cb75a0b2bb
Implemented get_genre functionality ( #1 )
Code actually in increase_artist_count. Updates genre counts with
each track from the artist.
8 years ago
Kevin Mok
Chris Shyi
Chris Shyi