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tasks.go
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tasks.go
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package models
import (
"database/sql"
_ "github.com/mattn/go-sqlite3"
)
type Task struct {
ID int `json:"id"`
Name string `json:"name"`
Done string `json:"done"`
}
type TaskCollection struct {
Tasks []Task `json:"items"`
}
func GetTasks(db *sql.DB) TaskCollection {
sql := "SELECT * FROM tasks;"
rows, err := db.Query(sql)
if err != nil {
panic(err)
}
defer rows.Close()
result := TaskCollection{}
for rows.Next() {
task := Task{}
err := rows.Scan(&task.ID, &task.Name, &task.Done)
if err != nil {
panic(err)
}
result.Tasks = append(result.Tasks, task)
}
return result
}
func PostTask(db *sql.DB, name string) (int64, error) {
sql := "INSERT INTO tasks(name, done) VALUES(?, 'false')"
stmt, err := db.Prepare(sql)
if err != nil {
panic(err)
}
defer stmt.Close()
result, err := stmt.Exec(name)
if err != nil {
panic(err)
}
return result.LastInsertId()
}
func PutTask(db *sql.DB, task Task) (int64, error) {
var sql string
sql = "UPDATE tasks SET name = ?, done = ? WHERE id = ?"
stmt, err := db.Prepare(sql)
if err != nil {
panic(err)
}
defer stmt.Close()
result, err := stmt.Exec(task.Name, task.Done, task.ID)
if err != nil {
panic(err)
}
return result.LastInsertId()
}
func DeleteTask(db *sql.DB, id int) (int64, error) {
sql := "DELETE FROM tasks WHERE id = ?"
stmt, err := db.Prepare(sql)
if err != nil {
panic(err)
}
result, err2 := stmt.Exec(id)
if err2 != nil {
panic(err2)
}
return result.RowsAffected()
}