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site.go
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site.go
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/*
Terminews is a terminal based (TUI) RSS feed manager.
Copyright (C) 2017 Alexandros Ntavelos, a[dot]ntavelos[at]gmail[dot]com
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package db
import (
"database/sql"
"fmt"
_ "github.com/mattn/go-sqlite3"
)
type Site struct {
Id int
Name string
Url string
}
func GetSiteSql() string {
return `
CREATE TABLE IF NOT EXISTS site(
Id INTEGER NOT NULL PRIMARY KEY ASC,
Name TEXT,
Url TEXT,
CreatedAt DATETIME
);`
}
func (tdb *TDB) GetSites() ([]Site, error) {
sql_readall := `
SELECT Id, Name, Url FROM site
ORDER BY datetime(CreatedAt) ASC
`
rows, err := tdb.Query(sql_readall)
defer rows.Close()
if err != nil {
return nil, err
}
var records []Site
for rows.Next() {
rr := Site{}
if err := rows.Scan(&rr.Id, &rr.Name, &rr.Url); err != nil {
return nil, err
}
records = append(records, rr)
}
return records, nil
}
func (tdb *TDB) GetSiteById(id int) (Site, error) {
sql_readone := `SELECT Id, Name, Url FROM site WHERE id = ?`
stmt, err := tdb.Prepare(sql_readone)
defer stmt.Close()
if err != nil {
return Site{}, err
}
var rr Site
if err = stmt.QueryRow(id).Scan(&rr.Id, &rr.Name, &rr.Url); err != nil {
if err == sql.ErrNoRows {
return Site{}, NotFound(fmt.Sprintf("Site not found for id: %v", id))
}
return Site{}, err
}
return rr, nil
}
func (tdb *TDB) GetSiteByUrl(url string) (Site, error) {
sql_readone := `SELECT Id, Name, Url FROM site WHERE Url = ?`
stmt, err := tdb.Prepare(sql_readone)
defer stmt.Close()
if err != nil {
return Site{}, err
}
var rr Site
if err = stmt.QueryRow(url).Scan(&rr.Id, &rr.Name, &rr.Url); err != nil {
if err == sql.ErrNoRows {
return Site{}, NotFound(fmt.Sprintf("Site not found for url: %v", url))
}
return Site{}, err
}
return rr, nil
}
func (tdb *TDB) AddSite(rr Site) error {
sql_additem := `
INSERT OR REPLACE INTO site(
Name,
Url,
CreatedAt
) values(?, ?, CURRENT_TIMESTAMP)
`
stmt, err := tdb.Prepare(sql_additem)
defer stmt.Close()
if err != nil {
return err
}
if _, err = stmt.Exec(rr.Name, rr.Url); err != nil {
return err
}
return nil
}
func (tdb *TDB) DeleteSite(id int) error {
if _, err := tdb.GetSiteById(id); err != nil {
return NotFound(fmt.Sprintf("Site not found for id: %v", id))
}
sql_delete := `DELETE FROM site WHERE id = ?`
stmt, err := tdb.Prepare(sql_delete)
defer stmt.Close()
if err != nil {
return err
}
if _, err = stmt.Exec(id); err != nil {
return err
}
return nil
}
func (rr Site) String() string {
return rr.Name
}