93 lines
2.2 KiB
Go
93 lines
2.2 KiB
Go
package migrations
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import (
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"context"
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"time"
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"git.handmade.network/hmn/hmn/src/migration/types"
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"git.handmade.network/hmn/hmn/src/oops"
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"github.com/jackc/pgx/v5"
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)
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func init() {
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registerMigration(AddEducationResources{})
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}
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type AddEducationResources struct{}
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func (m AddEducationResources) Version() types.MigrationVersion {
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return types.MigrationVersion(time.Date(2022, 9, 10, 0, 0, 0, 0, time.UTC))
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}
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func (m AddEducationResources) Name() string {
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return "AddEducationResources"
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}
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func (m AddEducationResources) Description() string {
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return "Adds the tables needed for the 2022 education initiative"
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}
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func (m AddEducationResources) Up(ctx context.Context, tx pgx.Tx) error {
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_, err := tx.Exec(ctx,
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`
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CREATE TABLE education_article_version (
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id SERIAL NOT NULL PRIMARY KEY
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);
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CREATE TABLE education_article (
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id SERIAL NOT NULL PRIMARY KEY,
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title VARCHAR(255) NOT NULL,
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slug VARCHAR(255) NOT NULL UNIQUE,
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description TEXT NOT NULL,
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type INT NOT NULL,
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published BOOLEAN NOT NULL DEFAULT FALSE,
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current_version INT NOT NULL REFERENCES education_article_version (id) DEFERRABLE INITIALLY DEFERRED
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);
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ALTER TABLE education_article_version
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ADD article_id INT NOT NULL REFERENCES education_article (id) ON DELETE CASCADE,
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ADD date TIMESTAMP WITH TIME ZONE NOT NULL,
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ADD content_raw TEXT NOT NULL,
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ADD content_html TEXT NOT NULL,
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ADD editor_id INT REFERENCES hmn_user (id) ON DELETE SET NULL DEFERRABLE INITIALLY DEFERRED;
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`,
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)
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if err != nil {
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return oops.New(err, "failed to create education tables")
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}
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_, err = tx.Exec(ctx,
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`
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ALTER TABLE hmn_user
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DROP edit_library,
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ADD education_role INT NOT NULL DEFAULT 0;
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`,
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)
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if err != nil {
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return oops.New(err, "failed to update user stuff")
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}
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return nil
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}
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func (m AddEducationResources) Down(ctx context.Context, tx pgx.Tx) error {
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_, err := tx.Exec(ctx, `
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DROP TABLE education_article CASCADE;
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DROP TABLE education_article_version CASCADE;
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`)
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if err != nil {
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return oops.New(err, "failed to delete education tables")
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}
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_, err = tx.Exec(ctx, `
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ALTER TABLE hmn_user
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DROP education_role,
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ADD edit_library BOOLEAN NOT NULL DEFAULT FALSE;
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`)
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if err != nil {
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return oops.New(err, "failed to delete education tables")
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}
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return nil
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}
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