remove use of rust in migration (#704)

* remove use of rust in migration

rewrite use_timelines_for_feed in pure sql
delete tantivy related migration. It will require reintroducing tantivy
initialisation in docs

fix #702

* Fill timeline from migrations

should fix #692 , but probably require some testing

migrations/postgres/2019-04-28-201506_create_tantivy_index/down.sql

@@ -1,6 +0,0 @@
--- This file should undo anything in `up.sql`
---#!|_conn, path: &Path| {
---#!    let mut pb = path.to_path_buf();
---#!    pb.push("search_index");
---#!    std::fs::remove_dir_all(pb).map_err(Error::from)
---#!}

migrations/postgres/2019-04-28-201506_create_tantivy_index/up.sql

@@ -1,10 +0,0 @@
--- Your SQL goes here
---#!|conn: &Connection, path: &Path| {
---#!  use std::env::var;
---#!  let mut pb = Path::new(&var("SEARCH_INDEX")
---#!      .unwrap_or_else(|_|"search_index".to_owned())).to_path_buf();
---#!	let searcher = super::search::Searcher::create(&pb)?;
---#!	searcher.fill(conn)?;
---#!	searcher.commit();
---#!	Ok(())
---#!}

migrations/postgres/2019-06-24-101212_use_timelines_for_feed/up.sql

@@ -1,17 +1,6 @@
 -- Your SQL goes here
---#!|conn: &Connection, path: &Path| {
+INSERT INTO timeline_definition (name, query) VALUES
---#!	super::timeline::Timeline::new_for_instance(conn, "Local feed".into(), "local".into()).expect("Local feed creation error");
+	('Local feed', 'local'),
---#!	super::timeline::Timeline::new_for_instance(conn, "Federated feed".into(), "all".into()).expect("Federated feed creation error");
+	('Federated feed', 'all');
---#!
+INSERT INTO timeline_definition (user_id,name,query)
---#!	for i in 0.. {
+		select id,'Your feed',CONCAT('followed or [',fqn,']') from users;
---#!		if let Some(users) = super::users::User::get_local_page(conn, (i * 20, (i + 1) * 20)).ok().filter(|l| !l.is_empty()) {
---#!			for u in users {
---#!				super::timeline::Timeline::new_for_user(conn, u.id, "Your feed".into(), format!("followed or author in [ {} ]", u.fqn)).expect("User feed creation error");
---#!			}
---#!		} else {
---#!			break;
---#!		}
---#!	}
---#!
---#!	Ok(())
---#!}

migrations/postgres/2019-12-10-104935_fill_timelines/down.sql

@@ -0,0 +1,8 @@
+DELETE FROM timeline WHERE id IN
+	(
+		SELECT timeline.id FROM timeline
+		INNER JOIN timeline_definition ON timeline.timeline_id = timeline_definition.id
+		WHERE timeline_definition.query LIKE 'followed or [%]' OR
+			timeline_definition.query = 'local' OR
+			timeline_definition.query = 'all'
+	);

migrations/postgres/2019-12-10-104935_fill_timelines/up.sql

@@ -0,0 +1,17 @@
+INSERT INTO timeline (post_id, timeline_id)
+	SELECT posts.id,timeline_definition.id FROM posts,timeline_definition
+	WHERE timeline_definition.query = 'all';
+
+INSERT INTO timeline (post_id, timeline_id)
+	SELECT posts.id,timeline_definition.id FROM posts,timeline_definition
+	INNER JOIN blogs ON posts.blog_id = blogs.id
+	INNER JOIN instances ON blogs.instance_id = instances.id
+	WHERE timeline_definition.query = 'local' and instances.local = true;
+
+INSERT INTO timeline (post_id, timeline_id)
+	SELECT posts.id,timeline_definition.id FROM posts
+	INNER JOIN blog_authors ON posts.blog_id = blog_authors.blog_id
+	LEFT JOIN follows ON blog_authors.author_id = follows.following_id
+	INNER JOIN timeline_definition ON follows.follower_id = timeline_definition.user_id
+		or blog_authors.author_id = timeline_definition.user_id
+	WHERE timeline_definition.query LIKE 'followed or [%]';

migrations/sqlite/2019-04-28-201506_create_tantivy_index/down.sql

@@ -1,6 +0,0 @@
--- This file should undo anything in `up.sql`
---#!|_conn, path: &Path| {
---#!    let mut pb = path.to_path_buf();
---#!    pb.push("search_index");
---#!    std::fs::remove_dir_all(pb).map_err(Error::from)
---#!}

migrations/sqlite/2019-04-28-201506_create_tantivy_index/up.sql

@@ -1,10 +0,0 @@
--- Your SQL goes here
---#!|conn: &Connection, path: &Path| {
---#!  use std::env::var;
---#!  let mut pb = Path::new(&var("SEARCH_INDEX")
---#!      .unwrap_or_else(|_|"search_index".to_owned())).to_path_buf();
---#!	let searcher = super::search::Searcher::create(&pb)?;
---#!	searcher.fill(conn)?;
---#!	searcher.commit();
---#!	Ok(())
---#!}

migrations/sqlite/2019-06-24-105533_use_timelines_for_feed/up.sql

@@ -1,17 +1,6 @@
 -- Your SQL goes here
---#!|conn: &Connection, path: &Path| {
+INSERT INTO timeline_definition (name, query) VALUES
---#!	super::timeline::Timeline::new_for_instance(conn, "Local feed".into(), "local".into()).expect("Local feed creation error");
+       ('Local feed', 'local'),
---#!	super::timeline::Timeline::new_for_instance(conn, "Federated feed".into(), "all".into()).expect("Federated feed creation error");
+       ('Federated feed', 'all');
---#!
+INSERT INTO timeline_definition (user_id,name,query)
---#!	for i in 0.. {
+               select id,'Your feed','followed or ['||fqn||']' from users;
---#!		if let Some(users) = super::users::User::get_local_page(conn, (i * 20, (i + 1) * 20)).ok().filter(|l| !l.is_empty()) {
---#!			for u in users {
---#!				super::timeline::Timeline::new_for_user(conn, u.id, "Your feed".into(), format!("followed or author in [ {} ]", u.fqn)).expect("User feed creation error");
---#!			}
---#!		} else {
---#!			break;
---#!		}
---#!	}
---#!
---#!	Ok(())
---#!}

migrations/sqlite/2019-12-10-104935_fill_timelines/down.sql

@@ -0,0 +1,8 @@
+DELETE FROM timeline WHERE id IN
+	(
+		SELECT timeline.id FROM timeline
+		INNER JOIN timeline_definition ON timeline.timeline_id = timeline_definition.id
+		WHERE timeline_definition.query LIKE 'followed or [%]' OR
+			timeline_definition.query = 'local' OR
+			timeline_definition.query = 'all'
+	);

migrations/sqlite/2019-12-10-104935_fill_timelines/up.sql

@@ -0,0 +1,17 @@
+INSERT INTO timeline (post_id, timeline_id)
+	SELECT posts.id,timeline_definition.id FROM posts,timeline_definition
+	WHERE timeline_definition.query = 'all';
+
+INSERT INTO timeline (post_id, timeline_id)
+	SELECT posts.id,timeline_definition.id FROM posts,timeline_definition
+	INNER JOIN blogs ON posts.blog_id = blogs.id
+	INNER JOIN instances ON blogs.instance_id = instances.id
+	WHERE timeline_definition.query = 'local' and instances.local = true;
+
+INSERT INTO timeline (post_id, timeline_id)
+	SELECT posts.id,timeline_definition.id FROM posts
+	INNER JOIN blog_authors ON posts.blog_id = blog_authors.blog_id
+	LEFT JOIN follows ON blog_authors.author_id = follows.following_id
+	INNER JOIN timeline_definition ON follows.follower_id = timeline_definition.user_id
+		or blog_authors.author_id = timeline_definition.user_id
+	WHERE timeline_definition.query LIKE 'followed or [%]';