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21 lines
937 B
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21 lines
937 B
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Media Repository
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The media repository is where attachments and avatar photos are stored.
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It stores attachment content and thumbnails for media uploaded by local users.
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It caches attachment content and thumbnails for media uploaded by remote users.
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Storage
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-------
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Each item of media is assigned a ``media_id`` when it is uploaded.
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The ``media_id`` is a randomly chosen, URL safe 24 character string.
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Metadata such as the MIME type, upload time and length are stored in the
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sqlite3 database indexed by ``media_id``.
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Content is stored on the filesystem under a "content" directory. Thumbnails are
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stored under a "thumbnails" directory.
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The item with ``media_id`` ``"aabbccccccccdddddddddddd"`` is stored under
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``"local/content/aa/bb/ccccccccdddddddddddd"``. Its thumbnail with width
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``128`` and height ``96`` and type ``"image/jpeg"`` is stored under
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``"local/thumbnails/aa/bb/ccccccccdddddddddddd/128-96-image-jpeg"``
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