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Catalog
=======
Data Models
-----------
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all types of catalog items inherits from `Item` which stores as multi-table django model.
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one `Item` may have multiple `ExternalResource` s, each represents one page on an external site
```mermaid
classDiagram
class Item {
< < abstract > >
}
Item < |-- Album
class Album {
+String barcode
+String Douban_ID
+String Spotify_ID
}
Item < |-- Game
class Game {
+String Steam_ID
}
Item < |-- Podcast
class Podcast {
+String feed_url
+String Apple_ID
}
Item < |-- Performance
Item < |-- Work
class Work {
+String Douban_Work_ID
+String Goodreads_Work_ID
}
Item < |-- Edition
Item < |-- Series
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Series *-- Work
Work *-- Edition
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class Series {
+String Goodreads_Series_ID
}
class Work {
+String Douban_ID
+String Goodreads_ID
}
class Edition{
+String ISBN
+String Douban_ID
+String Goodreads_ID
+String GoogleBooks_ID
}
Item < |-- Movie
Item < |-- TVShow
Item < |-- TVSeason
Item < |-- TVEpisode
TVShow *-- TVSeason
TVSeason *-- TVEpisode
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class TVShow{
+String IMDB_ID
+String TMDB_ID
}
class TVSeason{
+String Douban_ID
+String TMDB_ID
}
class TVEpisode{
+String IMDB_ID
+String TMDB_ID
}
class Movie{
+String Douban_ID
+String IMDB_ID
+String TMDB_ID
}
Item < |-- Collection
ExternalResource --* Item
class ExternalResource {
+enum site
+url: string
}
```
Add a new site
--------------
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- If official API is available for the site, it should be the preferred way to get data.
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- add a new value to `IdType` and `SiteName` in `catalog/common/models.py`
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- add a new file in `catalog/sites/` , a new class inherits `AbstractSite` , with:
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* `SITE_NAME`
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* `ID_TYPE`
* `URL_PATTERNS`
* `WIKI_PROPERTY_ID` (not used now)
* `DEFAULT_MODEL` (unless specified in `scrape()` return val)
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* a classmethod `id_to_url()`
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* a method `scrape()` returns a `ResourceContent` object
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* `BasicDownloader` or `ProxiedDownloader` can used to download website content or API data. e.g. `content = BasicDownloader(url).download().html()`
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* check out existing files in `catalog/sites/` for more examples
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- add an import in `catalog/sites/__init__.py`
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- add some tests to `catalog/<folder>/tests.py` according to site type
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+ add `DOWNLOADER_SAVEDIR = '/tmp'` to `settings.py` can save all response to /tmp
+ run `neodb-manage cat <url>` for debugging or saving response file to `/tmp` . Detailed code of `cat` is in `catalog/management/commands/cat.py`
+ move captured response file to `test_data/` , except large/images files. Or if have to, replace it with a smallest version (e.g. 1x1 pixel / 1s audio)
+ add `@use_local_response` decorator to test methods that should pick up these responses (if `BasicDownloader` or `ProxiedDownloader` is used)
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- run all the tests and make sure they pass
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- Command: `neodb-manage python3 manage.py test [--keepdb]` .
- See [this issue ](https://github.com/neodb-social/neodb/issues/5 ) if `lxml.etree.ParserError` occurs on macOS.
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- add a site UI label style to `common/static/scss/_sitelabel.scss`
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- update documentation in [sites.md ](../sites.md )