102 lines
2.6 KiB
Go
102 lines
2.6 KiB
Go
package persistence
|
|
|
|
import (
|
|
"database/sql"
|
|
"errors"
|
|
"fmt"
|
|
|
|
. "gitlab.com/offline-twitter/twitter_offline_engine/pkg/scraper"
|
|
)
|
|
|
|
// Create an empty list, or rename an existing list
|
|
func (p Profile) SaveList(l *List) {
|
|
// Since the unique column is managed by the database (auto-increment) due to the existence of
|
|
// offline lists, we have to check for its existence first
|
|
var rowid ListID
|
|
if l.IsOnline {
|
|
// Online list; look up its rowid by its online ID
|
|
// TODO: maybe extract to a function
|
|
err := p.DB.Get(&rowid, "select rowid from lists where is_online = 1 and online_list_id = ?", l.ID)
|
|
if errors.Is(err, sql.ErrNoRows) {
|
|
// Doesn't exist yet
|
|
rowid = ListID(0)
|
|
} else if err != nil {
|
|
panic(err)
|
|
}
|
|
} else {
|
|
// For offline lists, just use the rowid
|
|
rowid = l.ID
|
|
}
|
|
|
|
// If `rowid` is 0, then it doesn't exist yet; create it. Otherwise, update it
|
|
if rowid == ListID(0) {
|
|
result, err := p.DB.NamedExec(`
|
|
insert into lists (is_online, online_list_id, name)
|
|
values (:is_online, :online_list_id, :name)
|
|
`, l)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
id, err := result.LastInsertId()
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
l.ID = ListID(id)
|
|
} else {
|
|
// Do update
|
|
_, err := p.DB.NamedExec(`
|
|
update lists set name = :name where rowid = :rowid
|
|
`, l)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func (p Profile) SaveListUsers(list_id ListID, trove TweetTrove) {
|
|
for user_id := range trove.Users {
|
|
p.SaveListUser(list_id, user_id)
|
|
}
|
|
}
|
|
|
|
func (p Profile) SaveListUser(list_id ListID, user_id UserID) {
|
|
_, err := p.DB.Exec(`insert into list_users (list_id, user_id) values (?, ?) on conflict do nothing`, list_id, user_id)
|
|
if err != nil {
|
|
panic(fmt.Errorf("Error executing AddListUser(%d, %d):\n %w", list_id, user_id, err).Error())
|
|
}
|
|
}
|
|
|
|
func (p Profile) DeleteListUser(list_id ListID, user_id UserID) {
|
|
_, err := p.DB.Exec(`delete from list_users where list_id = ? and user_id = ?`, list_id, user_id)
|
|
if err != nil {
|
|
panic(fmt.Errorf("Error executing DeleteListUser(%d, %d):\n %w", list_id, user_id, err).Error())
|
|
}
|
|
}
|
|
|
|
func (p Profile) GetListById(list_id ListID) List {
|
|
var ret List
|
|
err := p.DB.Get(&ret, `select rowid, is_online, online_list_id, name from lists where rowid = ?`, list_id)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return ret
|
|
}
|
|
|
|
func (p Profile) GetListUsers(list_id ListID) []User {
|
|
var ret []User
|
|
err := p.DB.Select(&ret, `
|
|
select `+USERS_ALL_SQL_FIELDS+`
|
|
from users
|
|
where id in (select user_id from list_users where list_id = ?)
|
|
`, list_id)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return ret
|
|
}
|
|
|
|
// XXX
|
|
// func (p Profile) GetFollowedUsers() List {
|
|
// err =
|
|
// }
|