Problem: channels are created automatically
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Solution: cleanup channels and don't create them automatically
This commit is contained in:
Peter Stuifzand 2022-04-17 15:16:37 +02:00
parent 296e2c03af
commit 4f8b9d30c8
Signed by: peter
GPG Key ID: 374322D56E5209E8

View File

@ -53,52 +53,11 @@ func (p *postgresStream) Init() error {
if err != nil {
return fmt.Errorf("database ping failed: %w", err)
}
//
// _, err = conn.ExecContext(ctx, `
// CREATE TABLE IF NOT EXISTS "channels" (
// "id" int primary key generated always as identity,
// "name" varchar(255) unique,
// "created_at" timestamp DEFAULT current_timestamp
// );
// `)
// if err != nil {
// return fmt.Errorf("create channels table failed: %w", err)
// }
//
// _, err = conn.ExecContext(ctx, `
// CREATE TABLE IF NOT EXISTS "items" (
// "id" int primary key generated always as identity,
// "channel_id" int references "channels" on delete cascade,
// "uid" varchar(512) not null unique,
// "is_read" int default 0,
// "data" jsonb,
// "created_at" timestamp DEFAULT current_timestamp,
// "updated_at" timestamp,
// "published_at" timestamp
// );
// `)
// if err != nil {
// return fmt.Errorf("create items table failed: %w", err)
// }
//
// _, err = conn.ExecContext(ctx, `ALTER TABLE "items" ALTER COLUMN "data" TYPE jsonb, ALTER COLUMN "uid" TYPE varchar(1024)`)
// if err != nil {
// return fmt.Errorf("alter items table failed: %w", err)
// }
_, err = conn.ExecContext(ctx, `INSERT INTO "channels" ("uid", "name", "created_at") VALUES ($1, $1, DEFAULT)
ON CONFLICT DO NOTHING`, p.channel)
if err != nil {
return fmt.Errorf("create channel failed: %w", err)
}
row := conn.QueryRowContext(ctx, `SELECT "id" FROM "channels" WHERE "uid" = $1`, p.channel)
if row == nil {
return fmt.Errorf("fetch channel failed: %w", err)
}
err = row.Scan(&p.channelID)
if err != nil {
return fmt.Errorf("fetch channel failed while scanning: %w", err)
if err == sql.ErrNoRows {
return fmt.Errorf("channel %s not found: %w", p.channel, err)
}
return nil
@ -220,17 +179,12 @@ func (p *postgresStream) Count() (int, error) {
return -1, err
}
defer conn.Close()
row := conn.QueryRowContext(context.Background(), `SELECT COUNT(*) FROM items WHERE channel_id = $1 AND "is_read" = 0`, p.channelID)
if row == nil {
return 0, nil
}
var count int
row := conn.QueryRowContext(context.Background(), `SELECT COUNT(*) FROM items WHERE channel_id = $1 AND "is_read" = 0`, p.channelID)
err = row.Scan(&count)
if err != nil && err == sql.ErrNoRows {
return 0, nil
}
return count, nil
}