diff options
Diffstat (limited to 'pl/episode_data.pl')
| -rw-r--r-- | pl/episode_data.pl | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/pl/episode_data.pl b/pl/episode_data.pl index 6fa5b8d..e944243 100644 --- a/pl/episode_data.pl +++ b/pl/episode_data.pl @@ -1,6 +1,8 @@ :- module(episode_data, [ensure_episode_data/0, retract_episode/1, - episode_count/1]). + episode_count/1, + rate_episode/2, + episode_rating/2]). :- use_module(library(clpfd)). :- use_module(library(dcg/basics)). @@ -12,6 +14,7 @@ :- persistent episode_title(episode:integer, title:atom). :- persistent episode_datum(episode:integer, key:atom, value:atom). +:- persistent episode_rating(episode:integer, rating:integer). attach :- absolute_file_name('episode_data.db', F, [access(write)]), @@ -37,6 +40,20 @@ episode_count(N) :- setof(E, T^episode_title(E,T), Es), last(Es, N). +rate_episode(Ep, 0) :- + ( episode_rating(Ep, _) + -> retractall_episode_rating(Ep, _) + ; true + ), + !. + +rate_episode(Ep, R) :- + dif(R, 0), + ( episode_rating(Ep, R) + -> true + ; assert_episode_rating(Ep, R) + ). + % Remote data retrieval. episode_number(Ep) --> integer(Ep). @@ -80,14 +97,14 @@ remote_html(H) :- remote_episode_title_data(Ep, Title, ['Date'-Date, 'Source'-Source, 'Hint'-Hint]) :- remote_html(H), xpath(H, //tr(td(index(3),@style='background:#f2fde9;')), R), - xpath(R, td(index(1),text), Ep0), + xpath(R, td(index(1),normalize_space), Ep0), atom_phrase(episode_number(Ep), Ep0), - xpath(R, td(index(3),text), Title), - xpath(R, td(index(4),text), Date), - xpath(R, td(index(7),text), Source0), + xpath(R, td(index(3),normalize_space), Title), + xpath(R, td(index(4),normalize_space), Date), + xpath(R, td(index(7),normalize_space), Source0), re_replace('\\(([0-9])', ' (\\1', Source0, Source1), atom_string(Source, Source1), - xpath(R, td(index(8),text), Hint). + xpath(R, td(index(8),normalize_space), Hint). http_load_html(URL, DOM) :- setup_call_cleanup(http_open(URL, In, |