206 lines
4.8 KiB
Go
206 lines
4.8 KiB
Go
package migrations
|
|
|
|
import (
|
|
"context"
|
|
"time"
|
|
|
|
"git.handmade.network/hmn/hmn/src/db"
|
|
|
|
"git.handmade.network/hmn/hmn/src/migration/types"
|
|
"git.handmade.network/hmn/hmn/src/oops"
|
|
"github.com/jackc/pgx/v5"
|
|
)
|
|
|
|
func init() {
|
|
registerMigration(PersonalProjects{})
|
|
}
|
|
|
|
type PersonalProjects struct{}
|
|
|
|
func (m PersonalProjects) Version() types.MigrationVersion {
|
|
return types.MigrationVersion(time.Date(2021, 11, 6, 3, 39, 30, 0, time.UTC))
|
|
}
|
|
|
|
func (m PersonalProjects) Name() string {
|
|
return "PersonalProjects"
|
|
}
|
|
|
|
func (m PersonalProjects) Description() string {
|
|
return "Add data model for personal projects / tags"
|
|
}
|
|
|
|
func (m PersonalProjects) Up(ctx context.Context, tx pgx.Tx) error {
|
|
var err error
|
|
|
|
_, err = tx.Exec(ctx, `
|
|
CREATE TABLE tags (
|
|
id SERIAL NOT NULL PRIMARY KEY,
|
|
text VARCHAR(20) NOT NULL
|
|
);
|
|
CREATE INDEX tags_by_text ON tags (text);
|
|
|
|
ALTER TABLE tags
|
|
ADD CONSTRAINT tag_syntax CHECK (
|
|
text ~ '^([a-z0-9]+(-[a-z0-9]+)*)?$'
|
|
);
|
|
|
|
CREATE TABLE snippet_tags (
|
|
snippet_id INT NOT NULL REFERENCES handmade_snippet (id) ON DELETE CASCADE,
|
|
tag_id INT NOT NULL REFERENCES tags (id) ON DELETE CASCADE,
|
|
PRIMARY KEY (snippet_id, tag_id)
|
|
);
|
|
`)
|
|
if err != nil {
|
|
return oops.New(err, "failed to add tags tables")
|
|
}
|
|
|
|
_, err = tx.Exec(ctx, `
|
|
ALTER TABLE handmade_snippet
|
|
DROP CONSTRAINT handmade_snippet_owner_id_fkey,
|
|
ALTER owner_id DROP NOT NULL,
|
|
ADD CONSTRAINT handmade_snippet_owner_id_fkey FOREIGN KEY (owner_id) REFERENCES auth_user (id) ON DELETE SET NULL;
|
|
`)
|
|
if err != nil {
|
|
return oops.New(err, "failed to update snippet constraints")
|
|
}
|
|
|
|
_, err = tx.Exec(ctx, `
|
|
ALTER TABLE handmade_project
|
|
DROP featurevotes,
|
|
DROP parent_id,
|
|
DROP quota,
|
|
DROP quota_used,
|
|
DROP standalone,
|
|
ALTER flags TYPE BOOLEAN USING flags > 0;
|
|
|
|
ALTER TABLE handmade_project RENAME flags TO hidden;
|
|
`)
|
|
if err != nil {
|
|
return oops.New(err, "failed to clean up existing fields")
|
|
}
|
|
|
|
_, err = tx.Exec(ctx, `
|
|
ALTER TABLE handmade_project
|
|
ADD personal BOOLEAN NOT NULL DEFAULT TRUE,
|
|
ADD tag INT REFERENCES tags (id);
|
|
`)
|
|
if err != nil {
|
|
return oops.New(err, "failed to add new fields")
|
|
}
|
|
|
|
_, err = tx.Exec(ctx, `
|
|
ALTER TABLE handmade_project
|
|
ADD CONSTRAINT slug_syntax CHECK (
|
|
slug ~ '^([a-z0-9]+(-[a-z0-9]+)*)?$'
|
|
);
|
|
`)
|
|
if err != nil {
|
|
return oops.New(err, "failed to add check constraints")
|
|
}
|
|
|
|
_, err = tx.Exec(ctx, `
|
|
UPDATE handmade_project
|
|
SET personal = FALSE;
|
|
`)
|
|
if err != nil {
|
|
return oops.New(err, "failed to make existing projects official")
|
|
}
|
|
|
|
//
|
|
// Port "jam snippets" to use a tag
|
|
//
|
|
|
|
jamTagId, err := db.QueryOneScalar[int](ctx, tx, `INSERT INTO tags (text) VALUES ('wheeljam') RETURNING id`)
|
|
if err != nil {
|
|
return oops.New(err, "failed to create jam tag")
|
|
}
|
|
|
|
_, err = tx.Exec(ctx,
|
|
`
|
|
INSERT INTO snippet_tags
|
|
SELECT id, $1
|
|
FROM handmade_snippet
|
|
WHERE is_jam
|
|
`,
|
|
jamTagId,
|
|
)
|
|
if err != nil {
|
|
return oops.New(err, "failed to add jam tag to jam snippets")
|
|
}
|
|
|
|
_, err = tx.Exec(ctx, `
|
|
ALTER TABLE handmade_snippet
|
|
DROP is_jam;
|
|
`)
|
|
if err != nil {
|
|
return oops.New(err, "failed to drop is_jam column from snippets")
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (m PersonalProjects) Down(ctx context.Context, tx pgx.Tx) error {
|
|
var err error
|
|
|
|
_, err = tx.Exec(ctx, `
|
|
ALTER TABLE handmade_snippet
|
|
ADD is_jam BOOLEAN NOT NULL DEFAULT FALSE;
|
|
|
|
UPDATE handmade_snippet
|
|
SET is_jam = TRUE
|
|
WHERE id IN (
|
|
SELECT snippet.id
|
|
FROM
|
|
handmade_snippet AS snippet
|
|
JOIN snippet_tags ON snippet.id = snippet_tags.snippet_id
|
|
JOIN tags ON snippet_tags.tag_id = tags.id
|
|
WHERE
|
|
tags.text = 'wheeljam'
|
|
);
|
|
|
|
DELETE FROM tags WHERE text = 'wheeljam';
|
|
`)
|
|
if err != nil {
|
|
return oops.New(err, "failed to revert jam snippets")
|
|
}
|
|
|
|
_, err = tx.Exec(ctx, `
|
|
ALTER TABLE handmade_project
|
|
DROP CONSTRAINT slug_syntax,
|
|
DROP personal,
|
|
DROP tag,
|
|
ADD featurevotes INT NOT NULL DEFAULT 0,
|
|
-- no projects actually have a parent id so thankfully no further updates to do
|
|
ADD parent_id INT REFERENCES handmade_project (id) ON DELETE SET NULL,
|
|
ADD quota INT NOT NULL DEFAULT 0,
|
|
ADD quota_used INT NOT NULL DEFAULT 0,
|
|
ADD standalone BOOLEAN NOT NULL DEFAULT FALSE,
|
|
ALTER hidden TYPE INT USING CASE WHEN hidden THEN 1 ELSE 0 END;
|
|
|
|
ALTER TABLE handmade_project RENAME hidden TO flags;
|
|
`)
|
|
if err != nil {
|
|
return oops.New(err, "failed to revert personal project changes")
|
|
}
|
|
|
|
_, err = tx.Exec(ctx, `
|
|
ALTER TABLE handmade_snippet
|
|
DROP CONSTRAINT handmade_snippet_owner_id_fkey,
|
|
ALTER owner_id SET NOT NULL,
|
|
ADD CONSTRAINT handmade_snippet_owner_id_fkey FOREIGN KEY (owner_id) REFERENCES auth_user (id) ON DELETE CASCADE;
|
|
`)
|
|
if err != nil {
|
|
return oops.New(err, "failed to revert snippet constraint changes")
|
|
}
|
|
|
|
_, err = tx.Exec(ctx, `
|
|
DROP TABLE snippet_tags;
|
|
DROP TABLE tags;
|
|
`)
|
|
if err != nil {
|
|
return oops.New(err, "failed to drop tags table")
|
|
}
|
|
|
|
return nil
|
|
}
|