/
database.go
74 lines (70 loc) · 1.58 KB
/
database.go
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package proxy
import (
"database/sql"
"encoding/json"
"fmt"
things "github.com/galenliu/gateway/api/models/container"
_ "github.com/mattn/go-sqlite3"
)
func LoadConfig(path string, packageName string) (string, error) {
db, err := sql.Open("sqlite3", path)
defer db.Close()
if err != nil {
return "", err
}
var key = fmt.Sprintf("addons.config.%s", packageName)
var value string
err = db.QueryRow(`SELECT value FROM settings where key = @key`, sql.Named("key", key)).Scan(&value)
return value, err
}
func SaveConfig(path string, packageName string, value string) error {
db, err := sql.Open("sqlite3", path)
defer db.Close()
if err != nil {
return err
}
stmt, err := db.Prepare(`INSERT OR REPLACE INTO settings (key, value) VALUES (?, ?)`)
defer stmt.Close()
if err != nil {
return err
}
var key = fmt.Sprintf("addons.config.%s", packageName)
_, err = stmt.Exec(key, value)
if err != nil {
return err
}
return nil
}
func LoadThings(path string) map[string]things.Thing {
db, err := sql.Open("sqlite3", path)
defer db.Close()
if err != nil {
return nil
}
ts := make(map[string]things.Thing)
rows, err := db.Query("SELECT id, description FROM things")
defer func(rows *sql.Rows) {
err := rows.Close()
if err != nil {
fmt.Printf(err.Error())
}
}(rows)
if err != nil {
return nil
}
for rows.Next() {
var id string
var description string
err = rows.Scan(&id, &description)
if err != nil {
continue
}
var thing things.Thing
err := json.Unmarshal([]byte(description), &thing)
if err != nil {
continue
}
ts[id] = thing
}
return ts
}