Moved code & started split into binary & library

migrations/00000000000000_diesel_initial_setup/down.sql

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+-- This file was automatically created by Diesel to setup helper functions
+-- and other internal bookkeeping. This file is safe to edit, any future
+-- changes will be added to existing projects as new migrations.
+
+DROP FUNCTION IF EXISTS diesel_manage_updated_at(_tbl regclass);
+DROP FUNCTION IF EXISTS diesel_set_updated_at();

migrations/00000000000000_diesel_initial_setup/up.sql

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+-- This file was automatically created by Diesel to setup helper functions
+-- and other internal bookkeeping. This file is safe to edit, any future
+-- changes will be added to existing projects as new migrations.
+
+
+
+
+-- Sets up a trigger for the given table to automatically set a column called
+-- `updated_at` whenever the row is modified (unless `updated_at` was included
+-- in the modified columns)
+--
+-- # Example
+--
+-- ```sql
+-- CREATE TABLE users (id SERIAL PRIMARY KEY, updated_at TIMESTAMP NOT NULL DEFAULT NOW());
+--
+-- SELECT diesel_manage_updated_at('users');
+-- ```
+CREATE OR REPLACE FUNCTION diesel_manage_updated_at(_tbl regclass) RETURNS VOID AS $$
+BEGIN
+    EXECUTE format('CREATE TRIGGER set_updated_at BEFORE UPDATE ON %s
+                    FOR EACH ROW EXECUTE PROCEDURE diesel_set_updated_at()', _tbl);
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION diesel_set_updated_at() RETURNS trigger AS $$
+BEGIN
+    IF (
+        NEW IS DISTINCT FROM OLD AND
+        NEW.updated_at IS NOT DISTINCT FROM OLD.updated_at
+    ) THEN
+        NEW.updated_at := current_timestamp;
+    END IF;
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;

migrations/2021-08-20-110251_users-and-auth/down.sql

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+-- This file should undo anything in `up.sql`
+DROP TABLE IF EXISTS users, refresh_tokens CASCADE;

migrations/2021-08-20-110251_users-and-auth/up.sql

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+CREATE TABLE users (
+    id uuid DEFAULT gen_random_uuid() PRIMARY KEY,
+
+    username varchar(32) UNIQUE NOT NULL,
+    -- Hashed + salted representation of the username
+    password text NOT NULL,
+    -- Wether the user is currently blocked
+    blocked boolean NOT NULL DEFAULT false,
+    -- Wether the user is an admin
+    admin boolean NOT NULL DEFAULT false
+);
+
+-- Stores refresh tokens
+CREATE TABLE refresh_tokens (
+    -- This is more efficient than storing the text
+    token bytea PRIMARY KEY,
+    -- The user for whom the token was created
+    user_id uuid NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    -- When the token expires
+    expires_at timestamp NOT NULL,
+    -- When the token was last used (is NULL until used)
+    last_used_at timestamp
+);