Initial database schema for SQLite

Probably incomplete or erroneous

.gitignore

@@ -1,3 +1,10 @@
+#dependencies
+inc/simplepie/*
+
+#temp files
+cache/*
+test.php
+
 # Windows image file caches
 Thumbs.db
 ehthumbs.db
@@ -28,6 +35,7 @@ $RECYCLE.BIN/
 # Icon must ends with two \r.
 Icon
 
+
 # Thumbnails
 ._*
 

schema.sql

@@ -0,0 +1,96 @@
+begin;
+
+-- users
+create table chibi_users(
+	id TEXT primary key not null,		-- user id
+	password TEXT,						-- password, salted and hashed; if using external authentication this would be blank
+	name TEXT,							-- display name
+	avatar_type TEXT,					-- avatar image's MIME content type
+	avatar_data BLOB,					-- avatar image's binary data
+	admin boolean not null default 0	-- whether the user is an administrator
+);
+
+-- TT-RSS categories and ownCloud folders
+create table chibi_categories(
+	id integer primary key not null,										-- sequence number
+	owner TEXT references users(id) on delete cascade on update cascade,	-- owner of category
+	parent integer,															-- parent category id
+	folder integer not null,												-- first-level category (ownCloud folder)
+	name TEXT not null,														-- category name
+	unique(owner,name,parent)												-- cannot have multiple categories with the same name under the same parent for the same owner
+);
+
+-- newsfeeds, deduplicated
+create table chibi_feeds(
+	id integer primary key not null,		-- sequence number
+	url TEXT not null,						-- URL of feed
+	title TEXT,								-- default title of feed
+	favicon TEXT,							-- URL of favicon
+	source TEXT,							-- URL of site to which the feed belongs
+	updated datetime,						-- time at which the feed was last fetched
+	err_count integer not null default 0,	-- count of successive times update resulted in error since last successful update
+	err_msg TEXT,							-- last error message
+	username TEXT,							-- HTTP authentication username
+	password TEXT,							-- HTTP authentication password (this is stored in plain text)
+	unique(url,username,password)			-- 
+);
+
+-- users' subscriptions to newsfeeds, with settings
+create table chibi_subscriptions(
+	id integer primary key not null,														-- sequence number
+	owner TEXT references users(id) on delete cascade on update cascade,					-- owner of subscription
+	feed integer references feeds(id) on delete cascade,									-- feed for the subscription
+	added datetime not null default CURRENT_TIMESTAMP,										-- time at which feed was added
+	title TEXT,																				-- user-supplied title
+	order_type int not null default 0,														-- ownCloud sort order
+	pinned boolean not null default 0,														-- whether feed is pinned (always sorts at top)
+	category integer references categories(id) on delete set null							-- TT-RSS category (nestable); the first-level category (which acts as ownCloud folder) is joined in when needed
+);
+
+-- entries in newsfeeds
+create table chibi_articles(
+	id integer primary key not null,						-- sequence number
+	feed integer references feeds(id) on delete cascade,	-- feed for the subscription
+	url TEXT not null,										-- URL of article
+	title TEXT,												-- article title
+	author TEXT,											-- author's name
+	published datetime,										-- time of original publication
+	edited datetime,										-- time of last edit 
+	guid TEXT,												-- GUID 
+	content TEXT,											-- content, as (X)HTML
+	hash varchar(64) not null,								-- ownCloud hash 
+	fingerprint varchar(64) not null,						-- ownCloud fingerprint 
+	enclosures_hash varchar(64),							-- hash of enclosures, if any; since enclosures are not uniquely identified, we need to know when they change
+	tags_hash varchar(64)									-- hash of RSS/Atom categories included in article; since these categories are not uniquely identified, we need to know when they change
+);
+
+-- users' actions on newsfeed entries
+create table chibi_subscription_articles(
+	id integer primary key,
+	article integer references articles(id) on delete cascade,
+	read boolean not null default 0,
+	starred boolean not null default 0
+);
+
+-- enclosures associated with articles
+create table chibi_enclosures(
+	article integer references articles(id) on delete cascade,
+	url TEXT,
+	type varchar(255)
+);
+
+-- author labels ("categories" in RSS/Atom parlance) associated with newsfeed entries
+create table chibi_tags(
+	article integer references articles(id) on delete cascade,
+	name TEXT
+);
+
+-- user labels associated with newsfeed entries
+create table chibi_labels(
+	sub_article integer references subscription_articles(id) on delete cascade,
+	owner TEXT references users(id) on delete cascade on update cascade,
+	name TEXT 
+);
+create index chibi_label_names on chibi_labels(name);
+
+commit;