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24 lines
948 B
Markdown
24 lines
948 B
Markdown
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# Howto create a bridge
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A bridge is an interface that allows rss-bridge to create a RSS feed from a website.
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The bridge is a PHP file, located in the `bridges/` folder.
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##Specifications
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A rss bridge must extend the `BridgeAbstract` class, and implement the following functions :
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* The `loadMetadatas` function, described below,
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* The `getCacheDuration` function, describing the time during which rss-bridge will output cached values instead of re-generating a RSS feed.
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* The `collectData` function, also described below.
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##The `collectData` function
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This function takes as a parameter an array called `$param`, that is automatically filled with values from the user, according to the values setted in `loadMetadatas`.
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This function is the place where all the website scrapping and the RSS feed generation process will go.
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The RSS elements are stored in the class variable `items[]`.
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Every RSS element is an instance of the `Item` class.
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