52 lines
1.7 KiB
Lua
52 lines
1.7 KiB
Lua
--[[
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Does most of the database interaction.
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Notably, holds a connection to the open sqlite3 database in .conn
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]]
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local sql = require("lsqlite3")
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local queries = require("queries")
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local util = require("util")
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local db = {}
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local oldconfigure = configure
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db.conn = util.sqlassert(sql.open("data/posts.db"))
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function configure(...)
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--Create sql tables
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assert(db.conn:exec(queries.create_table_authors))
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--Create a fake "anonymous" user, so we don't run into trouble
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--so that no one runs into trouble being able to paste under this account.
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assert(db.conn:exec(queries.insert_anon_author))
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--If/when an author deletes their account, all posts
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--and comments by that author are also deleted (on
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--delete cascade) this is intentional. This also
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--means that all comments by other users on a post
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--an author makes will also be deleted.
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--
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--Post text uses zlib compression
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assert(db.conn:exec(queries.create_table_posts))
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--Store the raw text so people can download it later, maybe
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--we can use it for "download as image" or "download as pdf"
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--in the future too. Stil stored zlib compressed
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assert(db.conn:exec(queries.create_table_raw_text))
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--Maybe we want to store images one day?
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assert(db.conn:exec(queries.create_table_images))
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--Comments on a post
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assert(db.conn:exec(queries.create_table_comments))
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--Tags for a post
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assert(db.conn:exec(queries.create_table_tags))
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--Index for tags
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assert(db.conn:exec(queries.create_index_tags))
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--Store a cookie for logged in users. Logged in users can edit
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--their own posts, and edit their biographies.
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assert(db.conn:exec(queries.create_table_session))
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return oldconfigure(...)
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end
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function db.close()
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db.conn:close()
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end
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return db
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