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44 lines
3.4 KiB
Markdown
44 lines
3.4 KiB
Markdown
# Databases
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WROLPi has two major Postgresql databases, the main (API) database, and the map database.
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## Main Database
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This contains the tables for the API.
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### Service
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`postgresql@15-main.service`
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### Tables
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| Name | Purpose | Relations | `/opt/wrolpi` File |
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|------------------|---------------------------------------------------------|------------------------------|--------------------------------|
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| alembic_version | Tracks Alembic migration. | | `alembic` |
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| archive | Data about a FileGroup Archive. | file_group_id, domain_id | `modules/archive/models.py` |
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| channel | Data about a video Channel. | | `modules/videos/models.py` |
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| collection | A logical grouping of FileGroups. | tag_id | `wrolpi/collections/models.py` |
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| collection_item | Links a FileGroup to a Collection. | collection_id, file_group_id | `wrolpi/collections/models.py` |
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| directory | Directories in the media directory. | | `wrolpi/files/models.py` |
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| domains | Groups Archives by shared URL domain. | | `modules/archive/models.py` |
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| download | Data about what should be downloaded and when. | | `wrolpi/downloader.py` |
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| ebook | Data about FileGroups that are books. | file_group_id | `wrolpi/files/ebooks.py` |
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| file_group | Each record is a group of files that share a stem. | | `wrolpi/files/models.py` |
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| inventory | A collection of items. | | `modules/inventory/models.py` |
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| item | An item in an inventory. | inventory_id | `modules/inventory/models.py` |
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| map_file | Data about PBF files (if they have been imported, etc.) | | `modules/map/models.py` |
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| tag | Data about a Tag (name, color, etc.) | | `wrolpi/tags.py` |
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| tag_file | A FileGroup that has been tagged. | tag_id, file_group_id | `wrolpi/tags.py` |
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| tag_zim | An entry (article) that was tagged in a Zim file. | tag_id, zim_id, zim_entry | `modules/zim/models.py` |
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| video | Data about a FileGroup Video | file_group_id, channel_id | `modules/videos/models.py` |
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| wrolpi_flag | Long-term flags that have occurred in the API. | | `wrolpi/flags.py` |
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| zim | A Zim file | | `modules/zim/models.py` |
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| zim_subscription | A recurring download of a Zim file. | | `modules/zim/models.py` |
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## Map Database
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This contains tables for the OpenStreetMap.
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### Service
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`postgresql@15-map.service`
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