Switch to Postgres (#39)

* WIP Switch to Postgres

* feat(postgres): more work on porting to postgres, now compiles

* feat(docker-compose): Changed the docker-compose.yml file to use postgres.

* Update docker, documentation, gh actions...

* Remove bson dependency

* Remove bson import

* feat: move mock filehost to trait rather than cargo feature

* feat(postgres): transactions for mod creation, multipart refactor

* fix: Add Cargo.lock so that sqlx functions

* Update sqlx offline build data

* fix: Use SQLX_OFFLINE to force sqlx into offline mode for CI

* Default release channels

* feat(postgres): refactor database models to fit postgres models

* fix: Fix sqlx prepare, fix double allocation in indexing

* Add dockerfile (#40)

Co-authored-by: Charalampos Fanoulis <charalampos.fanoulis@gmail.com>

Co-authored-by: Aeledfyr <aeledfyr@gmail.com>
Co-authored-by: redblueflame <contact@redblueflame.com>
Co-authored-by: Jai A <jai.a@tuta.io>
Co-authored-by: Valentin Ricard <redblueflame1@gmail.Com>
Co-authored-by: Charalampos Fanoulis <charalampos.fanoulis@gmail.com>

migrations/20200716160921_init.sql

@@ -0,0 +1,102 @@
+CREATE TABLE users (
+    -- TODO
+    id bigint PRIMARY KEY
+);
+
+CREATE TABLE game_versions (
+    id serial PRIMARY KEY,
+    version varchar(255) NOT NULL
+);
+
+CREATE TABLE loaders (
+    id serial PRIMARY KEY,
+    loader varchar(255) NOT NULL
+);
+
+CREATE TABLE teams (
+    id bigint PRIMARY KEY
+);
+
+CREATE TABLE release_channel (
+    id serial PRIMARY KEY,
+    channel varchar(255)
+);
+
+CREATE TABLE mods (
+    id bigint PRIMARY KEY,
+    team_id bigint REFERENCES teams NOT NULL,
+    title varchar(255) NOT NULL,
+    description varchar(2048) NOT NULL,
+    body_url varchar(2048) NOT NULL,
+    published timestamptz DEFAULT CURRENT_TIMESTAMP NOT NULL,
+    downloads integer NOT NULL DEFAULT 0,
+    
+    icon_url varchar(2048) NULL,
+    issues_url varchar(2048) NULL,
+    source_url varchar(2048) NULL,
+    wiki_url varchar(2048) NULL
+);
+
+
+CREATE TABLE versions (
+    id bigint PRIMARY KEY,
+    mod_id bigint REFERENCES mods,
+    name varchar(255) NOT NULL,
+    version_number varchar(255) NOT NULL,
+    changelog_url varchar(255) NULL,
+    date_published timestamptz DEFAULT CURRENT_TIMESTAMP NOT NULL,
+    downloads integer NOT NULL DEFAULT 0,
+
+    release_channel int REFERENCES release_channel ON UPDATE CASCADE NOT NULL
+);
+
+CREATE TABLE loaders_versions (
+    loader_id int REFERENCES loaders ON UPDATE CASCADE NOT NULL,
+    version_id bigint REFERENCES versions ON UPDATE CASCADE NOT NULL,
+    PRIMARY KEY (loader_id, version_id)
+);
+
+CREATE TABLE game_versions_versions (
+    game_version_id integer REFERENCES game_versions ON UPDATE CASCADE NOT NULL,
+    joining_version_id bigint REFERENCES versions ON UPDATE CASCADE NOT NULL,
+    PRIMARY KEY (game_version_id, joining_version_id)
+);
+
+CREATE TABLE files (
+    id bigint PRIMARY KEY,
+    version_id bigint REFERENCES versions NOT NULL,
+    url varchar(2048) NOT NULL
+);
+
+CREATE TABLE hashes (
+    file_id bigint REFERENCES files NOT NULL,
+    algorithm varchar(255) NOT NULL,
+    hash bytea NOT NULL,
+    PRIMARY KEY (file_id, algorithm)
+);
+
+CREATE TABLE dependencies (
+    id serial PRIMARY KEY,
+    dependent_id bigint REFERENCES versions ON UPDATE CASCADE NOT NULL,
+    dependency_id bigint REFERENCES versions ON UPDATE CASCADE NOT NULL,
+    CONSTRAINT valid_dependency CHECK (dependent_id <> dependency_id) -- No dependency on yourself
+);
+
+CREATE TABLE team_members (
+    id bigint PRIMARY KEY,
+    team_id bigint REFERENCES teams NOT NULL,
+    user_id bigint REFERENCES users NOT NULL,
+    member_name varchar(255) NOT NULL,
+    role varchar(255) NOT NULL
+);
+
+CREATE TABLE categories (
+    id serial PRIMARY KEY,
+    category varchar(255) UNIQUE
+);
+
+CREATE TABLE mods_categories (
+    joining_mod_id bigint REFERENCES mods ON UPDATE CASCADE NOT NULL,
+    joining_category_id int REFERENCES categories ON UPDATE CASCADE NOT NULL,
+    PRIMARY KEY (joining_mod_id, joining_category_id)
+);

migrations/20200717192808_Make_categories_non-null.sql

@@ -0,0 +1,3 @@
+-- Add migration script here
+ALTER TABLE categories
+ALTER COLUMN category SET NOT NULL;

migrations/20200722031742_initial-release-channels.sql

@@ -0,0 +1,7 @@
+-- Add migration script here
+INSERT INTO release_channel (channel) VALUES ('release');
+INSERT INTO release_channel (channel) VALUES ('release-hidden');
+INSERT INTO release_channel (channel) VALUES ('beta');
+INSERT INTO release_channel (channel) VALUES ('beta-hidden');
+INSERT INTO release_channel (channel) VALUES ('alpha');
+INSERT INTO release_channel (channel) VALUES ('alpha-hidden');

migrations/20200722033157_rename-release-channels.sql

@@ -0,0 +1,2 @@
+-- Add migration script here
+ALTER TABLE release_channel RENAME TO release_channels

migrations/20200722153930_version-filename.sql

@@ -0,0 +1,3 @@
+-- Add migration script here
+ALTER TABLE files
+ADD filename varchar(2048) NOT NULL;